XK0-006: CompTIA Linux+Demo

By CompTIA · Question Mode

QuestionQ1

Troubleshooting

Users cannot access a server after it has been restarted. However, an administrator can connect directly to the server using a console in the server room and observes the following:

Question Image

Which of the following is the most likely cause of this connectivity issue?

  • A The server has no issue with the network and should be restarted to restore functionality
  • B The server networking cable is plugged into the wrong interface and needs to be moved
  • C The server is not able to obtain an IP address from the DHCP server
  • D The server's network card has failed and will need to be replaced with a new networking card
Explanation

The Ethernet link is operational, as shown by the interface state UP and LOWER_UP. The connection is configured for automatic IPv4 addressing, but it has a 169.254.120.5/16 link-local address instead of a routable DHCP lease. A link-local address in this range indicates that DHCP address acquisition did not succeed.

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