640-821 무료 덤프문제 온라인 액세스

What is the difference between the Cisco router IOS commands show cdp neighbor detail and show cdp entry?

• A.The show cdp entry command shows neighbor information for specific neighbors only, while show cdp neighbor detail lists each neighbor with detailed output on each.
• B.The show cdp neighbor detail command shows all neighbor information, while show cdp entry displays only one line of output for each neighbor.
• C.The show cdp entry command shows neighbor information for all neighbors with one line of output for each, while show cdp neighbor detail lists each neighbor with detailed output on each.
• D.The show cdp neighbor detail command shows neighbor information for a single neighbor only, while show cdp entry displays detailed output on each neighbor known.

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정답:

Which command can be used to determine the type of cable attached to the Serial 0/0 interface on a router?

• A.show controllers serial 0/0
• B.show line serial 0/0
• C.show interfaces serial 0/0
• D.show running-config
• E.show ip interface
• F.show version

An elementary school has a computer in every classroom. One entire wing of the school connects to a centrally located hub. The teachers have reported a slowdown in the past few weeks to the network administrator. The network administrator has analyzed the network and documented a steep increase in utilization as the teachers use a new network- based classroom management application. Which solution will improve the performance the most?

• A.Reboot the router that connects to the hub.
• B.Install a repeater in the affected wing.
• C.Ensure all devices in the affected wing have a default gateway.
• D.Install a router and install another hub in the affected wing.
• E.Replace the hub with a switch.

Which IP address is a private address?

• A.172.33.194.30
• B.12.0.0.1
• C.192.169.42.34
• D.172.20.14.36
• E.168.172.19.39