Networking Basics - Networking Basics (4)
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| 25. | Which protocol does DHCP use at the Transport layer? |
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Answer: Option C Explanation: User Datagram Protocol is a connection network service at the Transport layer, and DHCP uses this connectionless service. |
| 26. | Which of the following commands will allow you to set your Telnet password on a Cisco router? |
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Answer: Option C Explanation: The command line vty 0 4 places you in a prompt that will allow you to set or change your Telnet password. |
| 27. | What protocol does PPP use to identify the Network layer protocol? |
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Answer: Option A Explanation: Network Control Protocol is used to help identify the Network layer protocol used in the packet. |
| 28. | To back up an IOS, what command will you use? |
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Answer: Option D Explanation: The command copy flash tftp will prompt you to back up an existing IOS in flash to a TFTP host. |
| 29. | 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? |
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Answer: Option A Explanation: 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. |
| 30. | Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz? |
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Answer: Option C Explanation: 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. |
| 31. | 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? |
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Answer: Option D Explanation: Each device has 10 Mbps to the server. |
| 32. | What command is used to create a backup configuration? |
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Answer: Option B Explanation: The command to back up the configuration on a router is copy running-config startup-config. |