What are two characteristics of RIPv2?...

多项选择题What are two characteristics of RIPv2?（）

A.classful routing protocol
B.variable-length subnet masks
C.broadcast addressing
D.manual route summarization
E.uses SPF algorithm to compute path

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1.多项选择题Which two wireless encryption methods are based on the RC4 encryption algorithm? （）

A.WEP
B.CCKM
C.AES
D.TKIP
E.CCMP

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2.多项选择题What are two security appliances that can be installed in a network (Choose two.)（）。

A.ATM
B.IDS
C.IOS
D.IOX
E.IPS
F.SDM

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3.多项选择题下列静态路由器配置正确的是（）。

A.ip route-static 129.1.0.016 serial 0
B.ip route-static 10.0.0.216129.1.0.0
C.ip route-static 129.1.0.01610.0.0.2
D.ip route-static 129.1.0.0255.255.0.010.0.0.2

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4.多项选择题Which three statements are correct about RIP version 2 (Choose three.)（）。

A.It has the same maximum hop count as version 1
B.It uses broadcasts for its routing updates
C.It is a classless routing protocol
D.It has a lower default administrative distance than RIP version 1
E.It supports authentication
F.It does not send the subnet mask in updates

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5.单项选择题在路由协议所有接口上使能RIP协议的命令是（）。

A.network all
B.neighbor
C.enable
D.network 10.0.0.0

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6.单项选择题RIP协议引入路由保持机制的作用是（）。

A.节省网络带宽
B.防止网络中形成路由环路
C.将路由不可达信息在全网扩散
D.通知邻居路由器哪些路由是从其他处得到

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7.单项选择题数据在网络层时，我们称之为（）。

A.段
B.包
C.位
D.帧

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8.单项选择题TELNET工作于（）。

A.网络层
B.传输层
C.会话层
D.表示层
E.应用层

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9.单项选择题在数据链路层哪个子层用于管理在一条链路上设备间的通信（）。

A.LLC
B.MAC
C.BIG MAC

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10.多项选择题What are two recommended ways of protecting network device configuration files from outside network security threats (Choose two.)（）。

A.Allow unrestricted access to the console or VTY ports
B.Use a firewall to restrict access from the outside to the network devices
C.Always use Telnet to access the device command line because its data is automatically encrypted
D.Use SSH or another encrypted and authenticated transport to access device configurations
E.Prevent the loss of passwords by disabling password encryption

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