[多选题]You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network? (Choose three)
正确答案 ：ABD
Congestion avoidance
Windowing
Buffering
[单选题]混合型协议既具有“距离矢量路由协议”的特性，又具有“链路状态路由协议”的特性，下列协议中属于混合型协议的是：()
正确答案 ：C
EIGRP
[单选题]Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?
正确答案 ：B
To reset the console password
解析：解析：Explanation:
[单选题]下列哪一个通配符掩码与子网172.16.64.0/27的所有主机匹配（）。
正确答案 ：C
0.0.0.31
[单选题]The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?
正确答案 ：C
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
[单选题]下列对访问控制列表的描述不正确的是（）。
正确答案 ：D
访问控制列表可以应用于路由更新的过程当中
[单选题]关于静态NAT，下面（）说法是正确的。
正确答案 ：C
静态NAT将内部地址一对一静态映射到内部全局地址
[单选题]What is the purpose of the spanning-tree algorithm in a switched LAN?
正确答案 ：C
To prevent switching loops in networks with redundant switched paths.
解析：解析：Explanation:STPisusedinLANswithredundantpathsorroutestopreventloopsinalayer2switchedorbridgedLAN.IncorrectAnswers:A,B:TheprimarypurposeofSTPistopreventloops,notformonitoringormanagementofswitchesorVLANs.D.VLANsareusedtosegmentaLANintomultiplecollisiondomains,buttheSTPprocessalonedoesnotdothis.E.Routersareusedtopreventroutingloopsatlayer3oftheOSImodel.STPoperatesatlayer2.
[单选题]What kind of cable should be used to establish a trunked line between two Catalyst switches?
正确答案 ：E
A cross-over cable
解析：解析：Explanation: A crossover cable is used to connect two of the same device types, or devices from the same OSI layer.
[单选题]You are given a PC, a router, and a cable. Select the correct combination that will allow you to log into router VE1 locally using a terminal emulation program such as HyperTerminal.
正确答案 ：B
Connect the PC's COM port to the router's console port using a rollover cable.
解析：B 解析：Explanation:
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