CCNA-Networking

What command is used to create a backup configuration?

• copy running backup

• copy running-config startup-config

• config mem

• wr mem

How long is an IPv6 address?

• 32 bits

• 128 bytes

• 64 bits

• 128 bits

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?

• 100 kbps

• 1 Mbps

• 2 Mbps

• 10 Mbps

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?

• 192.168.168.129-190

• 192.168.168.129-191

• 192.168.168.128-190

• 192.168.168.128-192

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

• backup IOS disk

• copy ios tftp

• copy tftp flash

• copy flash tftp

Which of the following commands will allow you to set your Telnet password on a Cisco router?

• line telnet 0 4

• line aux 0 4

• line vty 0 4

• line con 0

Where is a hub specified in the OSI model?

• Session layer

• Physical layer

• Data Link layer

• Application layer

What does the command routerA(config)#line cons 0 allow you to perform next?

• Set the Telnet password

• Shut down the router.

• Set your console password

• Disable console connections

Which class of IP address has the most host addresses available by default?

• A

• B

• C

• A and B

What is the main reason the OSI model was created?

• To create a layered model larger than the DoD model

• So application developers can change only one layer's protocols at a time.

• So different networks could communicate

• So Cisco could use the model