更多"When configuring SSH，&#"的相关试题:
[多项选择]SSH协议作为一种安全的远程登录协议，被广泛应用，关于SSH正确的是（）。
A. SSH采用额外的加密技术确保登录安全性
B. SSH采用TCP端口22传输数据，端口23建立连接
C. SSH还可以为FTP提供安全的传输通道
D. SSH及Secure Shell，可以采用DES认证方式保证数据的安全性
[多项选择]SSH协议作为一种安全的远程登录协议，被广泛应用，关于SSH的描述正确的是（）。
A. SSH采用额外的加密技术确保登录安全性
B. SSH采用TCP端口22传输数据，端口23建立连接
C. SSH还可以为FTP提供安全的传输通道
D. SSH即Secure Shell，可以采用DES认证方式保证数据的安全
[单项选择]如何启动ssh服务（）。
A. service sshd status
B. /etc/init.d/ssh status
C. service ssh statrt
D. service sshd start
[单项选择]SSH默认使用TCP端口号（）
A. 20
B. 21
C. 22
D. 23
[单项选择]SSH协议可以用来代替（）。
A. SSL
B. TELNET
C. DES
D. AES
[单项选择]SSH使用的端口号为（）。
A. 21
B. 22
C. 23
D. 24
[单项选择]Which commands is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols?（）
A. transport type all
B. transport output all
C. transport preferred all
D. transport input all
[单项选择]You are trying to initiate an SSH connection to a remote router and are getting rejected with an error code of 0. Which of these might be the cause of the error?（）
A. The routers are using different SSH versions.
B. You are trying to log in using invalid credentials.
C. The RSA key pair is not properly configured on the SSH client.
D. The RSA key pair is not properly configured on the SSH server.
[单项选择]When a Cisco router is configured for SSH, it acts as an （）?
A. SSH client
B. SSH proxy
C. SSH server
D. SSH and SSL server
[多项选择]以下（）操作需通过SSH客户端进行。
A. 全国卡业务对账
B. 小额账户服务费设置
C. 支票影像系统日切操作
D. 网点批量代收付业务操作
[单项选择]You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface. You have decided to use a firewall filter. How should you apply the firewall filter?（）
A. as an outbound filter on interface fxp0
B. as an outbound filter on interface lo0
C. as an inbound filter on interface fxp0
D. as an inbound filter on interface lo0
[单项选择]After performing a modification on the /etc/ssh/sshd_config file the operator needs to reinitialize the secure shell daemon to enable the new settings. Which of the following is the correct way to achieve this?（）
A. Use refresh -s sshd
B. Use init.sshd /etc/rc.ssh
C. Use /usr/sbin/sshd -restart
D. Use stopsrc -s sshd and then startsrc -s sshd
