Discussion
What information is displayed by the show hosts command?
1.Temporary DNS entries
2.The names of the routers created using the hostname command
3.The IP addresses of workstations allowed to access the router
4.Permanent name-to-address mappings created using the ip host command
5.The length of time a host has been connected to the router via Telnet
Answer: B
Correct answer: 1 and 4
show hosts displays the router’s name resolution table, which holds two kinds of entry: permanent mappings entered with ip host, and temporary entries cached from DNS lookups. It says nothing about other routers’ hostnames, nothing about which workstations may access the router, and nothing about Telnet session durations - the last of those comes from show users.
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