给定网络地址192.168.20.19/28,下面哪一个主机地址是该子网中的有效地址?()
A. 192.168.20.29
B. 192.168.20.16
C. 192.168.20.0
D. 192.168.20.31
查看答案
Traditional network layer packet forwarding relies on the information provided by network layer (1) protocols, or static routing, to make an independent (2) decision at each hop within the network. The forwarding (3) is based solely on the destination (4) IP address. All packets for the same destination follow the same path across the network if no other equal-cost paths exist. Whenever a router has two equal-cost (5) toward a destination, the packets toward the destination might take one or both of them, resulting in 空白(2)处应选择()
A. forwarding
B. connecting
C. routing
D. killing
下列选项中不属于我国著作权法所保护的作品是()。
A. 计算机程序
B. 计算机保护条例
C. 计算机文档
D. Flash软件制作的动画
用带符号位的定点补码表示纯小数,8位编码11111111表示的十进制数是()。
A. 0
B. -1
C. +27
D. -27
下面哪一个IP地址可以指定给因特网接口?()
A. 10.110.33.224
B. 40.94.255.10
C. 172.16.17.18
D. 192.168.22.35