單項(xiàng)選擇題Which of the addresses below is an example of a valid unicast address?()

A.172.31.128.255./18
B.255.255.255.255
C.192.168.24.59/30
D.224.0.0.5
E.All of the above


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1.單項(xiàng)選擇題Which one of the protocols below allows a router to respond to an ARP request destined to a remote host?()

A. Gateway DP
B. Reverse ARP
C. proxy ARP
D. Inverse ARP
E. indirect ARP

2.單項(xiàng)選擇題Which of the following processes, is used to find the hardware address of a LAN device?()

A. Inverse-ARP
B. Reverse-ARP
C. Proxy ARP
D. ARP

3.多項(xiàng)選擇題Which of the following are actual varieties of network crosstalk?()

A. near-end crosstalk(NEXT)
B. middle open-end crosstalk(MOEXT)
C. power sum near-end crosstalk(PSNEXT)
D. jitterry crosstalk(JEXT)
E. far end crosstalk(FEXT)

5.單項(xiàng)選擇題What is the maximum data rate specified by the IEEE 802.11B standard for wireless LANS?()

A. 10 Mbps
B. 11 Mbps
C. 54 Mbps
D. 100 Mbps
E. none of the above

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