Networking Basics

To back up an IOS, what command will you use?

A:

backup IOS disk

B:

copy ios tftp

C:

copy tftp flash

D:

copy flash tftp

Answer: D

The command copy flash tftp will prompt you to back up an existing IOS in flash to a TFTP host.

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Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188 255.255.255.192 resides?

A:

192.168.168.129-190

B:

192.168.168.129-191

C:

192.168.168.128-190

D:

192.168.168.128-192

Answer: A

256 - 192 = 64. 64 + 64 = 128. 128 + 64 = 192. The subnet is 128, the broadcast address is 191, and the valid host range is the numbers in between, or 129-190.

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Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?

A:

A

B:

B

C:

G

D:

N

Answer: C

IEEE 802.11B is 2.4GHz, but with a maximum of only 11Mbps. IEEE 802.11G is in the 2.4GHz range, with a top speed of 54Mbps.

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You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?

A:

100 kbps

B:

1 Mbps

C:

2 Mbps

D:

10 Mbps

Answer: D

Each device has 10 Mbps to the server.

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What command is used to create a backup configuration?

A:

copy running backup

B:

copy running-config startup-config

C:

config mem

D:

wr mem

Answer: B

The command to back up the configuration on a router is copy running-config startup-config.

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Questions for: Networking Basics