单选题An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm?（）A The PC has connectivity with a local host.B The PC has connectivity with a Layer 3 device.C The PC has a default

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第3题：

You are unable to telnet to a router at address 203.125.12.1 from a workstation with the IP address 203.125.12.23. You suspect that there is a problem with your protocol stack. Which of the following actions is most likely to confirm your diagnosis?（）

• A、ping 127.0.0.0
• B、ping 203.125.12.1
• C、telnet 127.0.0.1
• D、ping 127.0.0.1
• E、tracert 203.125.12.1

第4题：

如果一台电脑的IP地址是192.168.9.9，则下列关于Ping命令的说法正确的是（）

• A、ping192.168.9.9与ping127.0.0.1的作用一样
• B、ping127.0.0.1可以通，那么ping192.168.9.9肯定也可以通
• C、ping192.168.9.9可以通，那么ping127.0.0.1肯定也可以
• D、以上所有答案

第5题：

ping是一个非常常用的网络测试程序，下列命令格式错误的是（）。

• A、ping 127.0.0.1–n
• B、ping www.163.com–n17
• C、ping 127.0.0.1–t
• D、ping www.163.com–l64

第6题：

An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm（）。

• A、The PC has connectivity with a local host.
• B、The PC has connectivity with a Layer 3 device.
• C、The PC has a default gateway correctly configured.
• D、The PC has connectivity up to Layer 5 of the OSI model.
• E、The PC has the TCP/IP protocol stack correctly installed.

第7题：

An administrator needs to know the workstation name of a user who called in for support in orderto remotely manage it. After calling the user and having the user open a command prompt, whichof the following commands would the administrator ask the user to type?（）

• A、Netstat
• B、Ifconfig
• C、Hostname
• D、Ping

第8题：

In a TCP/IP network， which of the following protocols is involved when a user issues a ping command？（）

• A、TCP
• B、UDP
• C、ICMP
• D、SMTP

第9题：

An administrator trying to restore a backup from tape encounters read errors. The administrator suspects that it could be an issue with the block device.  What is the appropriate method to resolve this issue？（）  

• A、Set the block size to 0.
• B、Read the tape using the tctl command.
• C、Use the ’cpio’ command to override tape device settings.
• D、Run the ’dd’ command to identify the block size from the tape.

第10题：

As a junior network administrator of your company, you have been asked to move the printer spool off the system partition and onto another hard disk to solve disk space issues. How will you move the printer spool to another drive?（）

• A、From the command prompt run the command 'move c:/winnt/system32/spool printers [desired  location]'. 
• B、From the command prompt run the command 'move c:/winnt/spool printers [desired location]'. 
• C、From the Advanced tab of printer server properties. 
• D、Configure the print$ share on your computer to point to the desired location.

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第14题：

A technician is troubleshooting a network connectivity issue on a MFD and would like to eliminate the possibility of another device on the network having the same IP address. The technician should：（）

• A、disconnect the MFD and ping the IP address.
• B、disconnect the MFD and ping the subnet mask.
• C、disconnect the MFD and ping the loopback address.
• D、run the ipconfig command from the command prompt.

第15题：

The network administrator has asked you to check the status of the workstation’s IP stack by pinging the loopback address.Which address would you ping to perform this task？（）

• A、10.1.1.1
• B、127.0.0.1
• C、192.168.0.1
• D、239.1.1.1

第16题：

ping127.0.0.1：127.0.0.1是本地循环地址，如果本地址无法Ping通，则表明（）。

第17题：

A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? （）

• A、ARP
• B、CDP
• C、DHCP
• D、DNS
• E、ICMP

第18题：

An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC.If a reply is received, what does this confirm?（）

• A、The PC has connectivity with a local host.
• B、The PC has connectivity with a Layer 3 device.
• C、The PC has a default gateway correctly configured
• D、The PC has connectivity up to Layer 5 of the OSI model
• E、The PC has the TCP/IP protocol stack correctly installed.

第19题：

A system is experiencing name resolution issues. The administrator has verified that /etc/resolv.conf is suitably configured using correct syntax. However, processes run by non-root users are failing to resolve any hostnames to IP addresses with the error 'No response from server'. Which tool will help trace the nslookup command in an attempt to investigate the problem?（）

• A、kdb
• B、dbx
• C、trace
• D、truss

第20题：

An administrator has set up serverA and serverB to use the /etc/hosts.equiv file so that applications on serverA can remotely run commands on serverB. Which command will verify if a new user from serverA is trusted on serverB?（）

• A、As the root user from serverA run the command rhost serverB
• B、As the root user from serverA run the command rlogin serverB
• C、As the desired user from serverB run the command rhost serverA
• D、As the desired user from serverA run the command rlogin serverB

第21题：

User A issues the command: LOCK TABLES pets READ; Which command can User B execute against the pets table?（）

• A、UPDATE pets…
• B、SELECT….FROM pets
• C、INSERT INTO pets…
• D、ALTER TABLE pets…

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