100-150 Question 244
Single answerYou are troubleshooting a network connectivity issue on a Cisco switch. To verify the current IP configuration and VLAN assignments of the device, which 'show' command would you use?
- A
show ip interface brief
- B
show vlan brief
- C
show running-config
- D
show mac address-table
Show answer and explanation
Correct answer: A
Explanation
The 'show ip interface brief' command is the most appropriate choice for troubleshooting network connectivity issues as it provides a concise overview of interface statuses and IP configuration details. This information is essential for diagnosing problems such as incorrect IP addresses, downed interfaces, or mismatched configurations.
- A. Correct.
Correct: The 'show ip interface brief' command displays a summary of the device's IP configurations, including interface statuses and assigned IP addresses, which is useful for diagnosing connectivity issues.
- B. Incorrect.
Incorrect: The 'show vlan brief' command shows information about VLANs configured on the switch, but it does not provide IP configuration details.
- C. Incorrect.
Incorrect: The 'show running-config' command displays the current configuration of the device, but it is not specific to IP configurations and interface statuses.
- D. Incorrect.
Incorrect: The 'show mac address-table' command displays the MAC address table of the switch, which is useful for troubleshooting Layer 2 issues but does not show IP configurations or VLAN assignments.