Computer Networking
Which three commands can be used to check LAN connectivity problems on a router?1. show interfaces2. show ip route3. tracert4. ping5. dns lookups

2 and 5
None of these
1 ,2 and 4
3 and 5

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Computer Networking
ARP (Address Resolution Protocol) is

a protocol that handles error and control messages
None of these
a TCP/IP high level protocol for transferring files from one machine to another
a protocol used to monitor computers
a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address

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