2022年11月24日来源:信管网 作者:cnitpm
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网络工程师每日一练试题内容(2022/11/23)
试题1
使用traceroute命令测试网络时可以( )。查看答案
试题参考答案:D
试题2
使用白盒测试时,确定测试数据应根据( )指定覆盖准则。查看答案
试题参考答案:A
试题3
ADSL 采用多路复用技术是 (1) ,最大传输距离可达 (2) 米。
(1)A、TDM
B、FDM
C、WDM
D、CDMA
(2)A、500
B、1000
C、5000
D、10000
查看答案
试题参考答案:B、C
试题解析与讨论:www.cnitpm.com/st/84912924.html
试题4
传输层的主要任务是完成( )查看答案
试题参考答案:A
试题解析与讨论:www.cnitpm.com/st/317135999.html
试题5
宏病毒可以感染后缀为()的文件。查看答案
试题参考答案:D
试题解析与讨论:www.cnitpm.com/st/23943630.html
试题6
Let us now see how randomization is done when a collision occurs . After a (1), time is divided into discrete slots whose length is equal to the worst-case round-trip propagation time on ether. To accommodate the longest path allowed by Ethernet, the slot time has been set to 512 bit times, or 51.2us. (1)A.datagram
B.collision
C.connection
D.service
(2)A.slot
B.switch
C.process
D.fire
(3)A.rest
B.random
C.once
D.odds
(4)A.unicast
B.multicast
C.broadcast
D.interval
(5)A.local
B.next
C.higher
D.lower
查看答案
试题参考答案:B、A、B、D、C
试题7
关于网络安全管理的描述中,正确的是( )。查看答案
试题参考答案:D
试题解析与讨论:www.cnitpm.com/st/314457054.html
试题8
A virtual ( ) network, or VPN, is an encrypted connection over the Internet from a device to a network. The encrypted connection helps ensure that sensitive data is safely ( ). It prevents ( ) people from eavesdropping on the traffic and allows the user to conduct work remotely. Traffic on the virtual network is sent securely by establishing an encrypted connection across the Internet known as a ( ).A remote access VPN securely connects a device outside the corporate office. A site-to-site VPN connects the corporate office to branch offices over the Internet. Site-to-site VPNs are used when distance makes it impractical to have direct network connections between these offices. Think of site-to-site access as ( ) to network.查看答案
试题参考答案:B、D、C、C、A
试题9
网络系统设计过程中,物理网络设计阶段的任务是( )。查看答案
试题参考答案:A
试题10
下列 ( ) 命令可以更改一个文件的权限设置。
A、attrib
B、file
C、chmod
D、change
查看答案
试题参考答案:C
试题解析与讨论:www.cnitpm.com/st/85622948.html
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