Crucial Exams

CompTIA Linux+ XK0-006 (V8) Practice Question

A Linux administrator is troubleshooting a network connectivity issue on a server. The administrator suspects a problem with the Address Resolution Protocol (ARP) cache, where an IP address may be incorrectly mapped to a MAC address. Which of the following commands should be used to display the current ARP cache in a simple numeric format, without attempting to resolve hostnames?

  • ip link show

  • arp -n

  • ping

  • ss -tn

CompTIA Linux+ XK0-006 (V8)
System Management
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