A.
B.
C.
D.

A.Only passwords configured after the command has been entered will beencrypted.
B.Only the enable password will be encrypted.
C.Only the enable secret password will beencrypted
D.It will encrypt the secret password and remove the enable secret password from the configuration.
E.It will encrypt all current and future passwords.

A.Security increases because only the network administrator may change the routing tables.
B.Configuration complexity decreases as network size increases.
C.Routing updates are automatically sent to neighbors.
D.Route summarization is compued automatically by the router.
E.Routing traffic load is reduced when used in stub network links.
F.An efficient algorithm is used to build routing tables，using automatic updates.
G.Routing tables adapt automatically to topology changes.

A.ping
B.Telnet
C.FTP
D.TCP
E.IP

A.Add two more FastEthernet interfaces.
B.Add a second router to handle the vlan traffic.
C.Use a hub to connect the four vlans with a FastEthernet interface on router.
D.Implement a router-on-a-stick configuration.

A.拒絕服務(wù)
B.強(qiáng)制疊加
C.監(jiān)聽(tīng)
D.木馬

A.The address is abroadcast address.
B.The Ehernet interface is faulty.
C.VLSM-capable routing protocols must be enable first on the router.
D.This address is a network address.

A.to confine network instability to single areas of the network
B.to reduce the complexity of router configuration
C.to speed up convergence
D.to lower costs by replacing router swith distribution layer switches
E.to decrease latency by increasing bandwidth
F.to reduce routing overhead

A.兩個(gè)cells的overlap的區(qū)域描述了一個(gè)basic service set
B.網(wǎng)絡(luò)描述了一個(gè)extended service set
C.再每個(gè)CELL中的AP必須被配置成使用channel 1
D.為了確保連通性，重疊區(qū)域必須小于10%
E.兩個(gè)訪問(wèn)點(diǎn)應(yīng)該被配置成工作在不同的頻道

A.RIPV1 and OSPF are classless routing protocols.
B.Classful routing protocols send the subnet mask in routing updates.
C.Automatic summarization at classful boundaries can cause problems on disc……
D.EIGRP and OSPF are classful routing protocols and summarize routes by def……