LPIC-1

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1

Essential System Services and Networking

medium

Refer to the exhibit. An administrator runs ss -tuln and gets the output above. Which of the following statements about this server is true?

Exhibit

Netid  State   Recv-Q  Send-Q  Local Address:Port   Peer Address:Port
tcp    LISTEN  0       128     0.0.0.0:22            0.0.0.0:*
tcp    LISTEN  0       128     0.0.0.0:80            0.0.0.0:*
tcp    LISTEN  0       128     0.0.0.0:443           0.0.0.0:*
udp    UNCONN  0       0       0.0.0.0:5353          0.0.0.0:*
udp    UNCONN  0       0       0.0.0.0:123           0.0.0.0:*
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