{"id":169319,"date":"2026-06-21T12:00:16","date_gmt":"2026-06-21T09:00:16","guid":{"rendered":"https:\/\/computingforgeeks.com\/?p=169319"},"modified":"2026-06-21T12:00:16","modified_gmt":"2026-06-21T09:00:16","slug":"ccna-domain-2-practice-test","status":"publish","type":"post","link":"https:\/\/computingforgeeks.com\/ccna-domain-2-practice-test\/","title":{"rendered":"CCNA 200-301 Domain 2 Practice Test: Network Access"},"content":{"rendered":"<p>Domain 2 is the hands-on heart of the CCNA. Network Access is a 20 percent block of the 200-301 exam, and unlike the concepts in Domain 1, almost every topic here is something you configure on a switch: VLANs, trunks, spanning tree, EtherChannel, and the wireless that rides on top. This practice test pulls questions from across the whole domain so you can find the gaps while they are still cheap to fix.<\/p>\n\n<p>The questions are the same validated items from the per-topic quizzes across this series. Every one was checked in a GNS3 lab or against Cisco documentation, every answer has a written explanation, and the test draws a fresh thirty-question mix each time you retake it.<\/p>\n\n<p><em>Current as of June 2026, matched to the live CCNA 200-301 (v1.1) Network Access exam topics.<\/em><\/p>\n\n<h2>How to use this practice test<\/h2>\n\n<p>Run the whole set, then read the explanation on every question, including the ones you got right on a hunch. A practice test is only worth the topics it sends you back to study. When a question exposes a gap, open the matching guide in the topic list below, work through it, then retake the test for a new draw.<\/p>\n\n<p>Treat anything under about 85 percent as a signal to review that topic before exam day. Spanning tree and trunking trip up the most people here, usually because of a detail (a native VLAN mismatch, a blocked port, a mode that will not negotiate) rather than the big idea, so read those explanations closely.<\/p>\n\n<h2>Take the Domain 2 practice test<\/h2>\n\n<p>Thirty questions, drawn at random from the full Domain 2 bank and re-sampled on every retake:<\/p>\n\n<div class=\"cfg-quiz\" data-quiz=\"{\n  &quot;id&quot;: &quot;ccna-domain2&quot;,\n  &quot;title&quot;: &quot;CCNA 200-301 Domain 2: Network Access practice test&quot;,\n  &quot;objective&quot;: &quot;Domain 2 Network Access (VLANs, trunking, CDP\/LLDP, STP, EtherChannel, wireless)&quot;,\n  &quot;intro&quot;: &quot;A mixed practice set drawn from every Domain 2 topic: VLANs and trunking, the discovery protocols, Rapid PVST+ spanning tree, EtherChannel, and Cisco wireless. Thirty questions are drawn at random from the pool each time, so retry for a fresh set. Every answer was verified in a GNS3 lab or against Cisco documentation.&quot;,\n  &quot;questions&quot;: [\n    {\n      &quot;q&quot;: &quot;What does a VLAN create on a switch?&quot;,\n      &quot;options&quot;: [\n        &quot;A separate broadcast domain&quot;,\n        &quot;A faster physical link&quot;,\n        &quot;An extra routing table&quot;,\n        &quot;A backup of the running config&quot;\n      ],\n      &quot;answer&quot;: 0,\n      &quot;explanation&quot;: &quot;Each VLAN is its own broadcast domain. A broadcast sent in VLAN 10 never reaches a port in VLAN 20, even on the same switch. Traffic between VLANs needs a router or a Layer 3 switch.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;Which VLAN do all access ports belong to before you configure anything? Type the number.&quot;,\n      &quot;answer&quot;: &quot;1&quot;,\n      &quot;hint&quot;: &quot;It is the default VLAN.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 10&quot;,\n      &quot;explanation&quot;: &quot;VLAN 1 is the default VLAN. Every switchport is in VLAN 1 out of the box. Best practice is to move user ports off VLAN 1 and not use it for management or data.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What is the normal VLAN range on a Cisco switch?&quot;,\n      &quot;options&quot;: [\n        &quot;0 to 4095&quot;,\n        &quot;1 to 1005&quot;,\n        &quot;1 to 4094&quot;,\n        &quot;1006 to 4094&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;The normal range is 1 to 1005 (1 and 1002 to 1005 are reserved). 1006 to 4094 is the extended range, used for things like service-provider VLANs.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Where does a switch store normal-range VLANs?&quot;,\n      &quot;options&quot;: [\n        &quot;In the running-config&quot;,\n        &quot;In the startup-config in NVRAM&quot;,\n        &quot;In vlan.dat in flash, separate from the config&quot;,\n        &quot;In the MAC address table&quot;\n      ],\n      &quot;answer&quot;: 2,\n      &quot;explanation&quot;: &quot;Normal-range VLANs live in vlan.dat in flash, not in the running or startup config. This is why erase startup-config does not remove your VLANs. A full reset needs delete vlan.dat plus a reload.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What does adding a voice VLAN to an access port let you do?&quot;,\n      &quot;options&quot;: [\n        &quot;Bundle two physical links into one&quot;,\n        &quot;Run an IP phone and a PC on one cable in different VLANs&quot;,\n        &quot;Route between two VLANs without a router&quot;,\n        &quot;Encrypt traffic on the port&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;switchport voice vlan lets an IP phone tag its voice traffic into the voice VLAN while the PC plugged into the phone stays untagged in the access (data) VLAN. One cable carries both, with no trunk.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;multi&quot;,\n      &quot;q&quot;: &quot;Which two commands make GigabitEthernet0\/1 a static access port in VLAN 10?&quot;,\n      &quot;options&quot;: [\n        &quot;switchport mode access&quot;,\n        &quot;switchport access vlan 10&quot;,\n        &quot;switchport mode trunk&quot;,\n        &quot;vlan 10 access&quot;\n      ],\n      &quot;answers&quot;: [\n        0,\n        1\n      ],\n      &quot;explanation&quot;: &quot;switchport mode access hardcodes the port as an access port (so DTP cannot negotiate a trunk), and switchport access vlan 10 places it in VLAN 10. Both go under the interface.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What happens to access ports assigned to a VLAN when you delete that VLAN with no vlan 10?&quot;,\n      &quot;options&quot;: [\n        &quot;They move to VLAN 1 automatically&quot;,\n        &quot;They go inactive and stop forwarding until reassigned&quot;,\n        &quot;They are shut down administratively&quot;,\n        &quot;Nothing changes&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Deleting a VLAN leaves its access ports orphaned in an inactive state. They stop forwarding until you reassign them to an existing VLAN, so reassign first, then delete.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;match&quot;,\n      &quot;q&quot;: &quot;Match each command to what it does.&quot;,\n      &quot;pairs&quot;: [\n        {\n          &quot;left&quot;: &quot;vlan 20 \/ name ENGINEERING&quot;,\n          &quot;right&quot;: &quot;Create and name a VLAN&quot;\n        },\n        {\n          &quot;left&quot;: &quot;switchport voice vlan 20&quot;,\n          &quot;right&quot;: &quot;Carry IP phone voice on the port&quot;\n        },\n        {\n          &quot;left&quot;: &quot;show vlan brief&quot;,\n          &quot;right&quot;: &quot;List VLANs and their access ports&quot;\n        },\n        {\n          &quot;left&quot;: &quot;Router or Layer 3 switch&quot;,\n          &quot;right&quot;: &quot;Route traffic between VLANs&quot;\n        }\n      ],\n      &quot;explanation&quot;: &quot;vlan + name creates a VLAN, switchport voice vlan adds the phone&#039;s voice VLAN, show vlan brief lists VLANs with their assigned ports, and only a Layer 3 device moves traffic between VLANs.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What does an 802.1Q trunk let a single link do?&quot;,\n      &quot;options&quot;: [\n        &quot;Carry several VLANs between two switches&quot;,\n        &quot;Double the link speed&quot;,\n        &quot;Route between VLANs without a router&quot;,\n        &quot;Back up the VLAN database&quot;\n      ],\n      &quot;answer&quot;: 0,\n      &quot;explanation&quot;: &quot;A trunk carries traffic for many VLANs over one physical link by tagging each frame with its VLAN ID. Without a trunk, every VLAN that has to reach a second switch would need its own cable.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;How does 802.1Q mark which VLAN a frame belongs to on a trunk?&quot;,\n      &quot;options&quot;: [\n        &quot;It changes the source MAC address&quot;,\n        &quot;It inserts a 4-byte tag with a 12-bit VLAN ID into the Ethernet header&quot;,\n        &quot;It adds a second IP header&quot;,\n        &quot;It renames the interface&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;802.1Q inserts a 4-byte tag (TPID 0x8100 plus a 2-byte control field) after the source MAC. The control field holds a 12-bit VLAN ID, which is why VLAN IDs stop at 4094.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;What is the default native VLAN on a Cisco trunk? Type the number.&quot;,\n      &quot;answer&quot;: &quot;1&quot;,\n      &quot;hint&quot;: &quot;Same as the default VLAN.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 99&quot;,\n      &quot;explanation&quot;: &quot;The native VLAN defaults to VLAN 1. Frames in the native VLAN cross the trunk untagged. Best practice is to change it to a dedicated, unused VLAN on both ends.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;How are frames in the native VLAN sent across an 802.1Q trunk?&quot;,\n      &quot;options&quot;: [\n        &quot;Tagged with VLAN 1&quot;,\n        &quot;Untagged&quot;,\n        &quot;Dropped&quot;,\n        &quot;Tagged twice&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Native VLAN frames cross the trunk untagged. Every other allowed VLAN is tagged. This is the one VLAN on a dot1q trunk whose frames carry no tag.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Both ends of a trunk have different native VLANs. What happens?&quot;,\n      &quot;options&quot;: [\n        &quot;The trunk shuts down&quot;,\n        &quot;CDP reports a native VLAN mismatch and the two native VLANs can leak into each other&quot;,\n        &quot;Nothing, the trunk auto-corrects&quot;,\n        &quot;Only VLAN 1 is affected&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;A native VLAN mismatch logs %CDP-4-NATIVE_VLAN_MISMATCH. The link still passes tagged VLANs, but untagged traffic from each side lands in the other side&#039;s native VLAN, which is a real security and connectivity problem. Set the same native VLAN on both ends.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;multi&quot;,\n      &quot;q&quot;: &quot;Which two commands form a static 802.1Q trunk on a switch that also supports ISL?&quot;,\n      &quot;options&quot;: [\n        &quot;switchport trunk encapsulation dot1q&quot;,\n        &quot;switchport mode trunk&quot;,\n        &quot;switchport mode access&quot;,\n        &quot;switchport trunk native vlan 1&quot;\n      ],\n      &quot;answers&quot;: [\n        0,\n        1\n      ],\n      &quot;explanation&quot;: &quot;switchport trunk encapsulation dot1q selects 802.1Q (needed only where ISL is also supported), then switchport mode trunk hardcodes the port as a trunk. Switches that are dot1q-only skip the encapsulation command.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;By default, which VLANs does a new trunk allow?&quot;,\n      &quot;options&quot;: [\n        &quot;Only VLAN 1&quot;,\n        &quot;Only the native VLAN&quot;,\n        &quot;All VLANs, 1 to 4094&quot;,\n        &quot;None until you add them&quot;\n      ],\n      &quot;answer&quot;: 2,\n      &quot;explanation&quot;: &quot;A fresh trunk allows all VLANs (1-4094). show interfaces trunk lists them under Vlans allowed on trunk. switchport trunk allowed vlan replaces that list with only the VLANs you name.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What does switchport nonegotiate do on a trunk port?&quot;,\n      &quot;options&quot;: [\n        &quot;Stops the port from sending DTP frames&quot;,\n        &quot;Disables the port&quot;,\n        &quot;Forces the native VLAN to 1&quot;,\n        &quot;Turns the port into an access port&quot;\n      ],\n      &quot;answer&quot;: 0,\n      &quot;explanation&quot;: &quot;nonegotiate stops DTP frames. Pair it with a hardcoded switchport mode trunk on infrastructure links so the trunk does not depend on negotiation and an attacker cannot negotiate one.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;In show interfaces trunk, what does Mode &#039;on&#039; tell you?&quot;,\n      &quot;options&quot;: [\n        &quot;The port negotiated a trunk by DTP&quot;,\n        &quot;The port is hardcoded as a trunk with switchport mode trunk&quot;,\n        &quot;The trunk is administratively down&quot;,\n        &quot;The port is in dynamic auto&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Mode &#039;on&#039; means the port was statically set to trunk with switchport mode trunk. Dynamic auto or desirable would show as &#039;auto&#039; or &#039;desirable&#039; instead.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;type&quot;: &quot;match&quot;,\n      &quot;q&quot;: &quot;Match each command or output field to what it does.&quot;,\n      &quot;pairs&quot;: [\n        {\n          &quot;left&quot;: &quot;switchport trunk native vlan 99&quot;,\n          &quot;right&quot;: &quot;Set the untagged VLAN on the trunk&quot;\n        },\n        {\n          &quot;left&quot;: &quot;switchport trunk allowed vlan 10,20,99&quot;,\n          &quot;right&quot;: &quot;Limit which VLANs cross the trunk&quot;\n        },\n        {\n          &quot;left&quot;: &quot;show interfaces trunk&quot;,\n          &quot;right&quot;: &quot;Verify trunk status, native, and allowed VLANs&quot;\n        },\n        {\n          &quot;left&quot;: &quot;switchport nonegotiate&quot;,\n          &quot;right&quot;: &quot;Stop DTP negotiation on the link&quot;\n        }\n      ],\n      &quot;explanation&quot;: &quot;native vlan sets the untagged VLAN, allowed vlan prunes the carried VLANs, show interfaces trunk verifies all of it, and nonegotiate disables DTP so the trunk is fully static.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What is the main difference between CDP and LLDP?&quot;,\n      &quot;options&quot;: [\n        &quot;CDP is Cisco-proprietary and on by default; LLDP is an open standard and off by default&quot;,\n        &quot;CDP is the open standard; LLDP is Cisco-only&quot;,\n        &quot;Both are Cisco-proprietary&quot;,\n        &quot;LLDP works only on routers&quot;\n      ],\n      &quot;answer&quot;: 0,\n      &quot;explanation&quot;: &quot;CDP is Cisco&#039;s own protocol and runs by default on Cisco gear. LLDP is the vendor-neutral IEEE standard and must be switched on with lldp run. In a mixed-vendor network you reach for LLDP.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;How often does CDP send advertisements, in seconds, by default? Type the number.&quot;,\n      &quot;answer&quot;: &quot;60&quot;,\n      &quot;hint&quot;: &quot;Holdtime is three times this.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 30&quot;,\n      &quot;explanation&quot;: &quot;CDP advertises every 60 seconds with a 180-second holdtime (three missed advertisements). show cdp confirms both values.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Which standard defines LLDP?&quot;,\n      &quot;options&quot;: [\n        &quot;IEEE 802.1Q&quot;,\n        &quot;IEEE 802.1AB&quot;,\n        &quot;IEEE 802.3af&quot;,\n        &quot;RFC 1918&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;LLDP is IEEE 802.1AB. That vendor-neutral standardisation is the whole point: any compliant device, not just Cisco, can advertise and learn neighbors.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;LLDP is not showing any neighbors on a Cisco switch. What is the most likely cause?&quot;,\n      &quot;options&quot;: [\n        &quot;The cable is faulty&quot;,\n        &quot;LLDP has not been enabled with lldp run&quot;,\n        &quot;CDP is blocking it&quot;,\n        &quot;The switch needs a reload&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;LLDP is disabled by default on Cisco. Until you enter lldp run globally on both ends, show lldp neighbors stays empty even though the link is up and CDP works.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What does show cdp neighbors detail add over show cdp neighbors?&quot;,\n      &quot;options&quot;: [\n        &quot;Nothing, the output is identical&quot;,\n        &quot;The neighbor&#039;s management IP address, IOS version, and native VLAN&quot;,\n        &quot;The switch&#039;s MAC address table&quot;,\n        &quot;The running configuration&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;The summary gives device ID, local and remote port, capability, and platform. detail adds the neighbor&#039;s IP address, full IOS version string, VTP domain, native VLAN, and duplex.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;What is the default LLDP holdtime in seconds? Type the number.&quot;,\n      &quot;answer&quot;: &quot;120&quot;,\n      &quot;hint&quot;: &quot;LLDP advertises every 30 seconds.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 180&quot;,\n      &quot;explanation&quot;: &quot;LLDP advertises every 30 seconds and holds an entry for 120 seconds. show lldp confirms 30s timer, 120s holdtime, and a 2-second reinit delay.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;type&quot;: &quot;multi&quot;,\n      &quot;q&quot;: &quot;Which two are valid reasons to disable discovery on a port?&quot;,\n      &quot;options&quot;: [\n        &quot;The port faces an untrusted or customer device&quot;,\n        &quot;You want to stop leaking topology details to whatever is plugged in&quot;,\n        &quot;It speeds up the link&quot;,\n        &quot;It frees up VLAN IDs&quot;\n      ],\n      &quot;answers&quot;: [\n        0,\n        1\n      ],\n      &quot;explanation&quot;: &quot;CDP and LLDP advertise device and topology details to anything on the wire. On edge or untrusted ports, turn them off with no cdp enable and no lldp transmit \/ no lldp receive. They do not affect link speed or VLANs.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;In show cdp neighbors, what does the capability code R mean?&quot;,\n      &quot;options&quot;: [\n        &quot;Repeater&quot;,\n        &quot;Router&quot;,\n        &quot;Remote&quot;,\n        &quot;Reserved&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;R is Router. The legend at the top of the output lists them: R router, S switch, H host, I IGMP, P phone, B\/T bridge. A device can show more than one, such as R S I.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;You manage a network with Cisco and Juniper switches. Which protocol discovers neighbors across both?&quot;,\n      &quot;options&quot;: [\n        &quot;CDP&quot;,\n        &quot;LLDP&quot;,\n        &quot;VTP&quot;,\n        &quot;DTP&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;LLDP (802.1AB) is vendor-neutral, so it works across Cisco, Juniper, Aruba, and others. CDP only runs between Cisco devices.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Why should you not blanket-disable CDP on a switch with Cisco IP phones?&quot;,\n      &quot;options&quot;: [\n        &quot;The phones lose power&quot;,\n        &quot;Cisco IP phones use CDP to learn their voice VLAN&quot;,\n        &quot;CDP is required for spanning tree&quot;,\n        &quot;The phones cannot get an IP without it&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Cisco IP phones rely on CDP to learn the voice VLAN the switch advertises. Disabling CDP globally breaks that, so disable discovery selectively on data and untrusted ports, not everywhere.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;match&quot;,\n      &quot;q&quot;: &quot;Match each command to what it does.&quot;,\n      &quot;pairs&quot;: [\n        {\n          &quot;left&quot;: &quot;lldp run&quot;,\n          &quot;right&quot;: &quot;Enable LLDP globally (off by default)&quot;\n        },\n        {\n          &quot;left&quot;: &quot;show cdp neighbors detail&quot;,\n          &quot;right&quot;: &quot;Show a neighbor&#039;s IP and IOS version&quot;\n        },\n        {\n          &quot;left&quot;: &quot;show cdp&quot;,\n          &quot;right&quot;: &quot;Show the global CDP timer and holdtime&quot;\n        },\n        {\n          &quot;left&quot;: &quot;no cdp enable&quot;,\n          &quot;right&quot;: &quot;Turn off CDP on one interface&quot;\n        }\n      ],\n      &quot;explanation&quot;: &quot;lldp run enables LLDP, show cdp neighbors detail adds per-neighbor IP and version, show cdp shows the 60\/180 timers, and no cdp enable disables CDP on a single interface.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What problem does Spanning Tree Protocol solve?&quot;,\n      &quot;options&quot;: [\n        &quot;It speeds up a single link&quot;,\n        &quot;It prevents Layer 2 loops on a network with redundant links&quot;,\n        &quot;It routes between VLANs&quot;,\n        &quot;It assigns IP addresses&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Redundant switch links create a Layer 2 loop, which causes a broadcast storm and an unstable MAC table. STP blocks the redundant path so exactly one active path remains, keeping the backup ready.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Which switch becomes the root bridge?&quot;,\n      &quot;options&quot;: [\n        &quot;The one with the most ports&quot;,\n        &quot;The one with the lowest bridge ID&quot;,\n        &quot;The one with the highest IP address&quot;,\n        &quot;The first one powered on&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;The switch with the lowest bridge ID (priority first, then MAC address) wins the election and becomes root. Every other switch finds its single best path to that root.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;What is the default STP bridge priority? Type the number.&quot;,\n      &quot;answer&quot;: &quot;32768&quot;,\n      &quot;hint&quot;: &quot;It is the middle of the range and a multiple of 4096.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 4096&quot;,\n      &quot;explanation&quot;: &quot;The default base priority is 32768. With PVST+, the VLAN ID is added to it (the system ID extension), so VLAN 1 shows 32769 in the bridge ID.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;Bridge priority can only be set in increments of what value? Type the number.&quot;,\n      &quot;answer&quot;: &quot;4096&quot;,\n      &quot;hint&quot;: &quot;32768 divided by 8.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 1024&quot;,\n      &quot;explanation&quot;: &quot;Priority is configured in steps of 4096 (0, 4096, 8192, ... 61440) because the lower four bits of the priority field are reused for the VLAN ID.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Which command makes a switch the root bridge for VLAN 1?&quot;,\n      &quot;options&quot;: [\n        &quot;spanning-tree vlan 1 root primary&quot;,\n        &quot;spanning-tree root enable&quot;,\n        &quot;set spanning-tree root&quot;,\n        &quot;spanning-tree vlan 1 forwarding&quot;\n      ],\n      &quot;answer&quot;: 0,\n      &quot;explanation&quot;: &quot;spanning-tree vlan 1 root primary lowers the priority enough to win the election (to 24576, or 4096 below the current root). You can also set spanning-tree vlan 1 priority 4096 explicitly.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;Using the default (short) cost method, what is the STP path cost of a 1 Gbps link? Type the number.&quot;,\n      &quot;answer&quot;: &quot;4&quot;,\n      &quot;hint&quot;: &quot;100 Mbps is 19.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 19&quot;,\n      &quot;explanation&quot;: &quot;Short-method costs are 10 Mbps = 100, 100 Mbps = 19, 1 Gbps = 4, 10 Gbps = 2. A switch adds these along the path and picks the lowest-cost port as its root port.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;match&quot;,\n      &quot;q&quot;: &quot;Match each STP port role to its job.&quot;,\n      &quot;pairs&quot;: [\n        {\n          &quot;left&quot;: &quot;Root port&quot;,\n          &quot;right&quot;: &quot;Lowest-cost path to the root (one per non-root switch)&quot;\n        },\n        {\n          &quot;left&quot;: &quot;Designated port&quot;,\n          &quot;right&quot;: &quot;The forwarding port on a segment (one per segment)&quot;\n        },\n        {\n          &quot;left&quot;: &quot;Alternate port&quot;,\n          &quot;right&quot;: &quot;A blocked backup path to the root&quot;\n        },\n        {\n          &quot;left&quot;: &quot;Root bridge&quot;,\n          &quot;right&quot;: &quot;Has every port designated and forwarding&quot;\n        }\n      ],\n      &quot;explanation&quot;: &quot;Each non-root switch has one root port, every segment has one designated port, the loser is an alternate (blocking) port, and the root bridge forwards on all ports.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What are the three RSTP (Rapid PVST+) port states?&quot;,\n      &quot;options&quot;: [\n        &quot;Blocking, Listening, Forwarding&quot;,\n        &quot;Discarding, Learning, Forwarding&quot;,\n        &quot;Up, Down, Testing&quot;,\n        &quot;Active, Standby, Idle&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;RSTP collapses the old 802.1D states (blocking, listening, learning, forwarding) into Discarding, Learning, and Forwarding, which is part of why it converges in seconds instead of tens of seconds.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What does PortFast do?&quot;,\n      &quot;options&quot;: [\n        &quot;Doubles the port speed&quot;,\n        &quot;Moves an access port straight to forwarding, skipping listening and learning&quot;,\n        &quot;Disables spanning tree on the whole switch&quot;,\n        &quot;Forces the port to be the root port&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;PortFast lets an access (host) port skip the listening and learning states and forward immediately, so a server or PC gets a link right away. Never enable it on a switch-to-switch link.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What does BPDU Guard do on a PortFast port?&quot;,\n      &quot;options&quot;: [\n        &quot;Speeds up convergence&quot;,\n        &quot;Err-disables the port if it receives a BPDU&quot;,\n        &quot;Blocks all VLANs on the port&quot;,\n        &quot;Elects the port as designated&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;A host port should never see a BPDU. If a PortFast port with BPDU Guard receives one (someone plugged in a switch), the port is err-disabled, protecting the topology from an accidental loop.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What does EtherChannel do?&quot;,\n      &quot;options&quot;: [\n        &quot;Bundles several physical links into one logical link&quot;,\n        &quot;Encrypts traffic between switches&quot;,\n        &quot;Routes between VLANs&quot;,\n        &quot;Assigns IP addresses to ports&quot;\n      ],\n      &quot;answer&quot;: 0,\n      &quot;explanation&quot;: &quot;EtherChannel groups 2 to 8 physical links into a single logical link (a Port-channel). Spanning Tree treats the bundle as one link, so all members forward instead of one being blocked.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;What is the maximum number of physical links in one EtherChannel? Type the number.&quot;,\n      &quot;answer&quot;: &quot;8&quot;,\n      &quot;hint&quot;: &quot;A power of two.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 4&quot;,\n      &quot;explanation&quot;: &quot;An EtherChannel bundles up to 8 active physical links into one Port-channel. With LACP you can configure more as hot-standby, but 8 are active.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Which standard defines LACP?&quot;,\n      &quot;options&quot;: [\n        &quot;Cisco-proprietary, no standard&quot;,\n        &quot;IEEE 802.3ad \/ 802.1AX&quot;,\n        &quot;IEEE 802.1Q&quot;,\n        &quot;IEEE 802.1D&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;LACP is the open IEEE standard (802.3ad, later 802.1AX), so it works between Cisco and other vendors. PAgP is the Cisco-proprietary alternative.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;multi&quot;,\n      &quot;q&quot;: &quot;Which two mode combinations form an EtherChannel with LACP?&quot;,\n      &quot;options&quot;: [\n        &quot;active and active&quot;,\n        &quot;active and passive&quot;,\n        &quot;passive and passive&quot;,\n        &quot;on and active&quot;\n      ],\n      &quot;answers&quot;: [\n        0,\n        1\n      ],\n      &quot;explanation&quot;: &quot;LACP needs at least one active side: active\/active and active\/passive both form a channel. Passive\/passive never negotiates, and mixing on (static) with active does not form a channel.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;A port refuses to join the bundle. What is the most common cause?&quot;,\n      &quot;options&quot;: [\n        &quot;The cable is too long&quot;,\n        &quot;Its speed, duplex, or VLAN settings do not match the other members&quot;,\n        &quot;It needs a reload&quot;,\n        &quot;EtherChannel is Cisco-only&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Every bundled port must agree on speed, duplex, switchport mode, allowed VLANs, and native VLAN. A mismatch suspends the port. Configure the Port-channel interface, not the members, to keep them consistent.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Which command adds an interface to channel-group 1 using LACP active mode?&quot;,\n      &quot;options&quot;: [\n        &quot;channel-group 1 mode active&quot;,\n        &quot;etherchannel 1 lacp on&quot;,\n        &quot;port-channel 1 enable&quot;,\n        &quot;spanning-tree channel 1&quot;\n      ],\n      &quot;answer&quot;: 0,\n      &quot;explanation&quot;: &quot;channel-group 1 mode active places the interface in group 1 and runs LACP in active mode. It also auto-creates interface Port-channel 1.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;In show etherchannel summary, what does Po1(SU) mean?&quot;,\n      &quot;options&quot;: [\n        &quot;The channel is suspended and unused&quot;,\n        &quot;Layer 2 (Switched) and in Use&quot;,\n        &quot;Layer 3 and unconfigured&quot;,\n        &quot;Standby and unavailable&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;S means a Layer 2 (switched) channel and U means in use, so (SU) is a working Layer 2 EtherChannel. A routed channel would show (RU). Member ports show (P) when bundled.&quot;,\n      &quot;validated&quot;: &quot;lab&quot;\n    },\n    {\n      &quot;q&quot;: &quot;How does LACP differ from PAgP?&quot;,\n      &quot;options&quot;: [\n        &quot;They are identical&quot;,\n        &quot;LACP is the open standard; PAgP is Cisco-proprietary&quot;,\n        &quot;PAgP is faster&quot;,\n        &quot;LACP only works on routers&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;LACP (802.3ad) is vendor-neutral, so use it with mixed vendors. PAgP only runs between Cisco devices. Both negotiate the bundle; static on mode uses neither.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;A single large file transfer crosses a two-link EtherChannel. How fast can it go?&quot;,\n      &quot;options&quot;: [\n        &quot;The combined speed of both links&quot;,\n        &quot;The speed of one link&quot;,\n        &quot;Half of one link&quot;,\n        &quot;It fails&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Traffic is hashed onto a member link per conversation, so one flow uses one link. Two 1 Gbps links give 2 Gbps of aggregate capacity across many flows, not a single 2 Gbps pipe.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;match&quot;,\n      &quot;q&quot;: &quot;Match each mode to what it does.&quot;,\n      &quot;pairs&quot;: [\n        {\n          &quot;left&quot;: &quot;LACP active&quot;,\n          &quot;right&quot;: &quot;Initiates LACP negotiation&quot;\n        },\n        {\n          &quot;left&quot;: &quot;LACP passive&quot;,\n          &quot;right&quot;: &quot;Forms a channel only if the other side initiates&quot;\n        },\n        {\n          &quot;left&quot;: &quot;PAgP desirable&quot;,\n          &quot;right&quot;: &quot;Initiates the Cisco-proprietary protocol&quot;\n        },\n        {\n          &quot;left&quot;: &quot;on&quot;,\n          &quot;right&quot;: &quot;Forces the bundle with no negotiation&quot;\n        }\n      ],\n      &quot;explanation&quot;: &quot;active initiates LACP, passive only responds, desirable initiates PAgP, and on is static with no protocol. Two passive (or two auto) ends never form a channel.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;In a split-MAC architecture, which functions does the WLC handle?&quot;,\n      &quot;options&quot;: [\n        &quot;Real-time functions like beacons and frame encryption&quot;,\n        &quot;Management functions like association, authentication, RF management, and roaming&quot;,\n        &quot;Nothing, the AP does everything&quot;,\n        &quot;Only powering the AP&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Split-MAC divides the 802.11 MAC work: the lightweight AP keeps the real-time jobs (beacons, ACKs, encryption), and the WLC takes the management jobs (association, authentication, RF management, roaming, and policy).&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;Which UDP port does the CAPWAP control channel use? Type the number.&quot;,\n      &quot;answer&quot;: &quot;5246&quot;,\n      &quot;hint&quot;: &quot;Data is the next port up.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 5247&quot;,\n      &quot;explanation&quot;: &quot;CAPWAP control uses UDP 5246 (encrypted with DTLS). The data channel uses UDP 5247. CAPWAP runs over IP, so the AP and WLC can be in different subnets.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;numeric&quot;,\n      &quot;q&quot;: &quot;Which UDP port does the CAPWAP data channel use? Type the number.&quot;,\n      &quot;answer&quot;: &quot;5247&quot;,\n      &quot;hint&quot;: &quot;One above the control port.&quot;,\n      &quot;placeholder&quot;: &quot;e.g. 5246&quot;,\n      &quot;explanation&quot;: &quot;CAPWAP data uses UDP 5247 (data encryption optional); control uses UDP 5246. Together they tunnel a lightweight AP&#039;s traffic to the WLC.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What is the main drawback of an autonomous AP deployment?&quot;,\n      &quot;options&quot;: [\n        &quot;It cannot use encryption&quot;,\n        &quot;Each AP is configured and managed individually, with no central RF or roaming coordination&quot;,\n        &quot;It needs a WLC&quot;,\n        &quot;It only supports one client&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Autonomous APs are self-contained, so every AP is configured one at a time and there is no central controller to coordinate RF, roaming, or policy. That is fine for a few APs and painful at scale.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;What is the defining benefit of FlexConnect?&quot;,\n      &quot;options&quot;: [\n        &quot;It removes the need for any WLC&quot;,\n        &quot;Branch APs switch client data locally and keep working if the WAN to the WLC drops&quot;,\n        &quot;It doubles wireless speed&quot;,\n        &quot;It encrypts the WAN&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;FlexConnect lets branch APs (managed by a WLC at HQ) switch client traffic locally instead of tunneling it back. If the WAN link to the controller fails, local clients keep working.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Which protocol tunnels traffic between a lightweight AP and the WLC?&quot;,\n      &quot;options&quot;: [\n        &quot;CDP&quot;,\n        &quot;CAPWAP&quot;,\n        &quot;LACP&quot;,\n        &quot;STP&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;CAPWAP (Control And Provisioning of Wireless Access Points) builds the control (UDP 5246) and data (UDP 5247) tunnels between a lightweight AP and the WLC. It replaced the older LWAPP.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;In a cloud-based architecture (such as Meraki), where does management live?&quot;,\n      &quot;options&quot;: [\n        &quot;On an on-premises WLC&quot;,\n        &quot;In a cloud dashboard, while the data plane stays local&quot;,\n        &quot;On each AP individually&quot;,\n        &quot;In the cloud, including all client data&quot;\n      ],\n      &quot;answer&quot;: 1,\n      &quot;explanation&quot;: &quot;Cloud-managed APs are administered from a cloud dashboard (the management\/control plane), but client data is still switched locally. There is no on-premises controller appliance.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;multi&quot;,\n      &quot;q&quot;: &quot;Which two of these are real lightweight AP modes?&quot;,\n      &quot;options&quot;: [\n        &quot;Monitor&quot;,\n        &quot;Sniffer&quot;,\n        &quot;Trunk&quot;,\n        &quot;Broadcast&quot;\n      ],\n      &quot;answers&quot;: [\n        0,\n        1\n      ],\n      &quot;explanation&quot;: &quot;Monitor mode dedicates the AP to scanning (no clients), and Sniffer mode captures 802.11 frames to a packet analyzer. Trunk and Broadcast are not AP modes.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;type&quot;: &quot;match&quot;,\n      &quot;q&quot;: &quot;Match each AP mode to what it does.&quot;,\n      &quot;pairs&quot;: [\n        {\n          &quot;left&quot;: &quot;Local&quot;,\n          &quot;right&quot;: &quot;Serves clients normally (default mode)&quot;\n        },\n        {\n          &quot;left&quot;: &quot;Monitor&quot;,\n          &quot;right&quot;: &quot;Scans only, serves no clients (rogue\/IDS)&quot;\n        },\n        {\n          &quot;left&quot;: &quot;Sniffer&quot;,\n          &quot;right&quot;: &quot;Captures 802.11 frames to a packet analyzer&quot;\n        },\n        {\n          &quot;left&quot;: &quot;FlexConnect&quot;,\n          &quot;right&quot;: &quot;Branch AP with local switching&quot;\n        }\n      ],\n      &quot;explanation&quot;: &quot;Local is the default client-serving mode, Monitor is dedicated scanning, Sniffer feeds a protocol analyzer, and FlexConnect switches branch traffic locally.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    },\n    {\n      &quot;q&quot;: &quot;Why does a controller-based design scale better than autonomous APs?&quot;,\n      &quot;options&quot;: [\n        &quot;The WLC manages config, RF, roaming, and policy centrally for all APs&quot;,\n        &quot;Lightweight APs are faster radios&quot;,\n        &quot;It uses fewer VLANs&quot;,\n        &quot;CAPWAP compresses traffic&quot;\n      ],\n      &quot;answer&quot;: 0,\n      &quot;explanation&quot;: &quot;With a WLC you push one config, RF plan (RRM), and security policy to every AP from one place, and roaming is coordinated centrally. Autonomous APs would each need that done by hand.&quot;,\n      &quot;validated&quot;: &quot;doc&quot;\n    }\n  ]\n}\" data-quiz-count=\"30\"><div class=\"cfg-quiz-loading\">Loading quiz...<\/div><\/div>\n\n\n<p>Once you can clear this consistently, you have a real working grip on Network Access. Use the topic list below to shore up anything that tripped you.<\/p>\n\n<h2>What Domain 2 covers<\/h2>\n\n<p>Every sub-topic in this practice test has a full hands-on guide with real Cisco output. Work through any that the test exposed as weak:<\/p>\n\n<p><strong>VLANs and trunking<\/strong> are the base of the whole domain. Start with <a href=\"https:\/\/computingforgeeks.com\/cisco-vlans-configuration-guide\/\">configuring VLANs<\/a>, then carry them between switches with <a href=\"https:\/\/computingforgeeks.com\/cisco-trunking-802-1q-configuration\/\">802.1Q trunking<\/a>, where the native VLAN and the allowed list earn most of the troubleshooting time.<\/p>\n\n<p><strong>Discovery and redundancy:<\/strong> map what is connected with <a href=\"https:\/\/computingforgeeks.com\/cisco-cdp-lldp-network-discovery\/\">CDP and LLDP<\/a>, stop Layer 2 loops with <a href=\"https:\/\/computingforgeeks.com\/cisco-spanning-tree-protocol-configuration\/\">Rapid PVST+ spanning tree<\/a>, and turn redundant links into bandwidth with <a href=\"https:\/\/computingforgeeks.com\/cisco-etherchannel-configuration\/\">EtherChannel<\/a>.<\/p>\n\n<p><strong>Wireless:<\/strong> the <a href=\"https:\/\/computingforgeeks.com\/cisco-wireless-architectures-ap-modes\/\">Cisco wireless architectures and AP modes<\/a> cover how access points are controlled, building on the radio side from <a href=\"https:\/\/computingforgeeks.com\/wireless-networking-fundamentals\/\">wireless networking fundamentals<\/a>.<\/p>\n\n<h2>Where to go after Domain 2<\/h2>\n\n<p>Network Access is where the CCNA starts rewarding hands-on practice over memorization, so retake this set until the configuration details are reflex. When you can pass it comfortably, the <a href=\"https:\/\/computingforgeeks.com\/quickly-prepare-for-ccna-200-301-exam\/\">CCNA 200-301 study roadmap<\/a> lays out the rest of the path, IP Connectivity, IP Services, Security Fundamentals, and Automation, with the same mix of tested guides and practice questions for each domain.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Test your CCNA 200-301 Domain 2 (Network Access) knowledge: VLANs, trunking, CDP\/LLDP, spanning tree, EtherChannel, and wireless, with explained answers.<\/p>\n","protected":false},"author":3,"featured_media":169318,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[524,525],"cfg_series":[39888],"class_list":["post-169319","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-networking","tag-ccna","tag-cisco","cfg_series-ccna-200-301"],"_links":{"self":[{"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/posts\/169319","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/comments?post=169319"}],"version-history":[{"count":1,"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/posts\/169319\/revisions"}],"predecessor-version":[{"id":169343,"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/posts\/169319\/revisions\/169343"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/media\/169318"}],"wp:attachment":[{"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/media?parent=169319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/categories?post=169319"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/tags?post=169319"},{"taxonomy":"cfg_series","embeddable":true,"href":"https:\/\/computingforgeeks.com\/wp-json\/wp\/v2\/cfg_series?post=169319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}