Networking - Networking Basics

Exercise : Networking Basics - Networking Basics
  • Networking Basics - Networking Basics
6.
Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?
A
B
G
N
Answer: Option
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.

7.
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
Answer: Option
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.

8.
To back up an IOS, what command will you use?
backup IOS disk
copy ios tftp
copy tftp flash
copy flash tftp
Answer: Option
Explanation:
The command copy flash tftp will prompt you to back up an existing IOS in flash to a TFTP host.

9.
What protocol does PPP use to identify the Network layer protocol?
NCP
ISDN
HDLC
LCP
Answer: Option
Explanation:
Network Control Protocol is used to help identify the Network layer protocol used in the packet.

10.
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
Answer: Option
Explanation:
The command line vty 0 4 places you in a prompt that will allow you to set or change your Telnet password.