CCNA Questions And Answers


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D. It is the result of two nodes transmitting at the same time. The frames from each transmitting device
collide and are damaged.
Answer: C
The access protocol CSMA/DA dictates a random back off time period.
Chapter: 3



131. Which two statement are true? (choose 2)
A. Ethernet 802.3 utilizes a half-duplex method for data transfer
B. In a 100Mbs point-to-point connecting, a full-duplex connecting can provide 400 Mbs of data transfer C. Ethernet switches can use the full duplex mode to connect multiple nodes on a single port of a switch
D. Full-duplex Ethernet takes advantage of UTP using one pair for transmission and the other pair for
reception Answer: A, D
In answers B and C, a point to point 100 MBPS is the limit and full-duplex only works on point to point connections.

Chapter: 3


132. What are four ways that Fast Ethernet compares to 10BaseT Ethernet?
(choose 4) A. Fast Ethernet uses the same maximum transmission unit (MTU)
B. Fast Ethernet is based on an extension to the IEEE 802.3 specification C. Fast Ethernet uses the same media access control (MAC mechanisms)
D. Fast Ethernet preserves the frame format that is used by 10BaseT Ethernet
E. Fast Ethernet offers a speed increase one hundred times that of the 10BaseT Ethernet Answer: A, B, C, D
FastEthernet only increases the speed of 10BaseT ten times.
Chapter: 3


133. Which command would you use to enable IP RIP version 1 on a router?

A. router rip network 172.16.1.0
network 10.1.0.0
B. router rip network 172.16.0.0
network 10.0.0.0
C. router rip network 172.16.1.0 172.16.1.1
network 10.1.0.0 10.1.1.1
D. router rip network 172.16.1.0 255.255.255.0
network 10.1.0.0 255.255.0.0