[多选题]Which of the following steps are necessary in order to add a new VLAN to the Ezonexam switched network? (Select all that apply)
正确答案 :ABD
Create the VLAN.
Name the VLAN.
Add the desired ports to the new VLAN.
解析:解析:Explanation:
[单选题]在OSPF的DR/BDR选举过程中,在路由器有相同的接口优先级情况下,什么用于确定DR或BDR()
正确答案 :D
路由器ID
[多选题]Which of the following are types of flow control? (Choose three)
正确答案 :ACD
Buffering
Windowing
Congestion avoidance
解析:解析:Explanation:Datatransmissionflowcontroloccursatlayer4withthehelpofbuffering,windowingandcongestionavoidance.
[单选题]SMTP工作在OSI哪一层()
正确答案 :D
应用层
[单选题]IP地址为:192.168.50.70,掩码为:255.255.255.248,则该IP和掩码结合,共划分了多少个子网(不包括全0子网和全1子网)()
正确答案 :B
30
[多选题]在路由器上,可以使用的命令有:()
正确答案 :ABC
ping
show interfaces
show ip route
解析:ABC
[多选题]You need to configure a default route on a Ezonexam router. Which command will configure a default route on a router?
正确答案 :ABCD
VE1(config) ip route 0.0.0.0 10.1.1.0 10.1.1.1
VE1(config) ip default-route 10.1.1.0
VE1(config) ip default-gateway 10.1.1.0
VE1(config) ip route 0.0.0.0 0.0.0.0 10.1.1.1
解析:解析:Explanation:Thecommand"IProute0.0.0.00.0.0.0quot;$commandisusedtoconfigureadefaultrouteonarouter.Inthiscase,adefaultroutewithanexthopIPaddressof10.1.1.1wasconfigured.IncorrectAnswers:A.Thiswillbeaninvalidroute,sincethe"10.1.1.0"valuewillspecifythenetworkmask,whichinthiscaseisinvalid.B,C.Thesecommandsareinvalid.Thecommand"ipdefault-network"couldbeused,butnot"ipdefault-route"or"ipdefault-gateway".IPdefault-gatewayisusedonswitches,notrouters.
[单选题]如果把路由器的某个端口的IP配置为:192.168.10.64,掩码配置为:255.255.255.248,则该端口()
正确答案 :B
会变成“administratively down”状态
[单选题]两台路由器直连到一起,应该使用的线缆为()
正确答案 :A
交叉线缆
[单选题]路由器上端口fa0/0,其最大传输速率是()Mbit/s
正确答案 :C
100
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