单选题A system administrator did not receive a response while attempting to ping loopback. Which of the following would most likely resolve this problem？（）A Issue startsrc -s loopbackB Issue startsrc -g tcpipC Issue rc.tcpipD Reconnect the network cable

第1题：

第2题：

A system administrator did not receive a response while attempting to ping loopback. Which of the following would most likely resolve this problem？（）

• A、Issue startsrc -s loopback
• B、Issue startsrc -g tcpip
• C、Issue rc.tcpip
• D、Reconnect the network cable

第3题：

第4题：

An administrator has ordered a new server and setup a dedicated RAID 1 array for the application database. While troubleshooting with performance monitoring tools， the administrator is receiving lowerread/write speeds than expected.  Which of the following would be the MOST likely cause for the lower performance？（）

• A、 The BIOS needs to be upgraded.
• B、 The administrator did not add the right amount of memory.
• C、 There is a cooling issue with the server.
• D、 The administrator did not order high enough RPM drives.

第5题：

An administrator has implemented a solution to resolve a server’s problem in which the server unexpectedly reboots.  Which of the following should be the administrator’s NEXT troubleshooting step？（）

• A、Test the theory to determine if the solution will correct the issue， list all other possible causes.
• B、Verify full system functionality.
• C、Document the issue； include details regarding findings， actions taken to resolve the issue， and the outcome.
• D、Establish a theory of probable cause based on previous tests and determine next steps toresolve

第6题：

A system administrator is trying to troubleshoot company wide email problems that may be related to DNS.  Which of the following network tools would be MOST useful to determine if it is a DNS issue？（）

• A、netstat
• B、tracert
• C、nslookup
• D、ping

第7题：

A user’s laptop does not produce sound even though the volume settings are at maximum in theoperating system. Which of the following would MOST likely resolve this issue?（）

• A、A new sound card
• B、A new speaker
• C、A BIOS update
• D、A hardware volume control

第8题：

第9题：

Users are unable to stay connected to the company's wireless network. Several times throughout the day the users' signals are dropped and they are forced to reconnect to the network. A technician determines the network cabling that supplies the WAP has been run inside with several power lines. Which of the following is the MOST likely cause of the network issue?（）

• A、Ashort
• B、Open pairs
• C、ESD
• D、EMI

第10题：

An administrator is unable to ping a workstation. Which of the following tools would BEST help toresolve the issue?（）

• A、Cable tester
• B、Multimeter
• C、Toner probe
• D、Protocol analyzer