97国产精品视频自在拍,久久国产精品成人免费一区,欧美人体一区二区三区

單項(xiàng)選擇題Which command encrypts all plaintext passwords?（）

A.Router(config)#password-encryption
B.Router(config)#service password-encryption
C.Router#service password-encryption
D.Router# password-encryption

點(diǎn)擊查看答案

您可能感興趣的試卷

你可能感興趣的試題

1.多項(xiàng)選擇題哪兩個(gè)命令可以用來(lái)驗(yàn)證給定的Cisco交換機(jī)的中繼鏈路的狀態(tài)？（）

A. show interfaces interface
B. show interfaces trunk
C. show interfaces switchport
D. show ip interface brief
E. show interfaces vlan

點(diǎn)擊查看答案

2.多項(xiàng)選擇題Which can be done to secure the virtual terminal interfaces on a router？（）

A.Administratively shut down the interfaces.
B.Physically secure the interfaces.
C.Configure a virtual terminal password and login process.
D.Enter an access list and apply it to the terminal interfaces using the access-class command.
E.Create an access list and apply it to the terminal interfaces using the access-group command

點(diǎn)擊查看答案

3.多項(xiàng)選擇題Which two statements about using the CHAP authentication mechanism in a PPP link are true?（）

A.CHAP uses a two-way handshake
B.CHAP authentication periodically occurs after link establishment
C.CHAP has no protection from playback attacks
D.CHAP authentication is performed only upon link establishment
E.CHAP uses a three-way handshake
F.CHAP authentication passwords are sent in plaintext

點(diǎn)擊查看答案

4.單項(xiàng)選擇題哪命令可以從PC被用來(lái)驗(yàn)證同一局域網(wǎng)交換機(jī)連接的主機(jī)之間的連接？（）

A.ping address
B.tracert address
C.traceroute address
D.arp address

點(diǎn)擊查看答案

5.多項(xiàng)選擇題端口是哪兩種狀態(tài)是時(shí)，RSTP收斂？（）

A.阻塞
B.學(xué)習(xí)
C.丟棄
D.轉(zhuǎn)發(fā)
E.偵聽

點(diǎn)擊查看答案