正确答案: E
A cross-over cable
题目：What kind of cable should be used to establish a trunked line between two Catalyst switches?
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.
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举一反三的答案和解析：
[多选题]You have just installed a new web server on the Ezonexam network. You are required to ensure that the web server is accessible from the Internet. The network uses private addressing, so an IP-to-registered address mapping is required.To do this, you enter the following command:
Ezonexam(config) ip nat inside source static 192.168.2.1
The interfaces must be configured for NAT.
解析：解析：Explanation:
[单选题]The IP network 210.106.14.0 is subnetted using a /24 mask. How many usable networks and host addresses can be obtained from this?
1 network with 254 hosts
解析：解析：Explanation:Asubnetwith24bitsonwouldbe255.255.255.0.SincethisisaclassCnetwork,thissubnetcanhaveonly1networkand254usablehosts.
[单选题]RIP协议负载均衡的路径数量为（）
最多6条
[单选题]介质工作在OSI的哪一层（）
物理层
[多选题]You need to configure a default route on a Ezonexam router. Which command will configure a default route on a router?
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]命令ip nat pool aaa 192.1.1.2 192.1.1.10 netmask 255.255.255.0的作用是()
定义地址池
[单选题]After working all night and successfully configuring a Cisco router for the Ezonexam network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return, none of your changes are active and the router boots to the initial configuration mode! Which of the choices below indicates the source of your problem?
Router configuration-register set to bypass startup configuration
解析：解析：Explanation:
