某单位通过2Mbps的DDN专线接入广域网,网络拓扑结构如图6-5所示。该单位申请的公网IP地址为61.246.100.96/29。其中,该单位能够使用的有效公网地址有()个。
(129)
(127)
(128)
(126)
An instruction is made up of operations that(68)the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform. the operation of(69)two numbers, it must know(70)the two numbers are. The processor's job is to(71)instructions and operands from memory and to perform. each operation. Having done that, it signals memory to send it(72)instruction.
(124)
A firewall is a(71)system designed to(72)an organization's network against threats.
(122)
在常用的字处理软件中,选中文本块后,按下Ctrl键再拖曳鼠标,可以()
There are many page replacement algorithms in the page management. Most frequently used algorithm is(69).
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