正确答案: A

All defined VLANs are allowed on the trunk by default.

题目：A new Ezonexam switch is installed into an existing LAN and a new VTP trunk is set up with an existing switch. Which VLANs will be allowed on this new trunk?

解析：解析：Explanation:

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学习资料的答案和解析：

[单选题]关于OSPF中DR的说法不正确的是（）

如果某路由器优先级比DR优先级高，但启动晚，它会抢占原来的DR自己成为DR

[单选题]访问控制列表分为标准和扩展两种。下面关于ACL的描述中，错误的是()。

标准ACL可以根据分组中的IP目标地址进行过滤

[单选题]路由器上激活端口的命令是（）

no shutdown

[单选题]Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?

Straight-through cable

解析：解析：Explanation:Straight-throughcablesareusedtoconnecthosttoswitch(orhub)androutertoswitch(orhub).

[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.