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Question 671 - N10-008 discussion

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A network administrator replaced a faulty NIC in a printer, but the printer is still not reachable. The printer is configured with the correct IP address, mask, and gateway, and a link light is lit on the switch port that the printer is attached to. Which of the following is the best command for the administrator to run first on the switch?

A.
show vlan
Answers
A.
show vlan
B.
show route
Answers
B.
show route
C.
show arp
Answers
C.
show arp
D.
show config
Answers
D.
show config
Suggested answer: A

Explanation:

The best command for the administrator to run first on the switch is show vlan, which displays the VLAN configuration information on the switch, such as the VLAN IDs, names, and ports. The show vlan command can help the administrator to verify if the printer is assigned to the correct VLAN, and if there is any mismatch or misconfiguration that prevents the printer from being reachable. The show route command displays the routing table on the switch, which is not relevant for the printer connectivity, as the printer is configured with the correct gateway. The show arp command displays the ARP cache on the switch, which maps the IP addresses to the MAC addresses of the devices. The show arp command can help the administrator to check if the switch has learned the MAC address of the printer, but it is not the best command to run first, as the ARP cache can be cleared or updated frequently. The show config command displays the running configuration on the switch, which includes the VLAN configuration, but it also includes other information that is not related to the printer issue, such as the hostname, the interface settings, the security settings, and so on. The show config command can be overwhelming and time-consuming to analyze, so it is not the best command to run first.

Reference

1: VLANs and Trunking -- N10-008 CompTIA Network+ : 2.3

2: N10-008 CompTIA Network+ : 5.5

3: Interface Configurations -- N10-008 CompTIA Network+ : 2.3

4: Configuring VLANs -- CompTIA Network+ N10-006 -- 2.6

asked 02/10/2024
Vagner Nicodemo
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