A user reports their laptop computer can no longer connect to a server. The computer works correctly in a different office. Which of the following tools would be used to troubleshoot this issue?（）
第1题：
An administrator is having a hard time adding a new switch to the network. After verifying that allthe ports are configured correctly on each switch, which of the following should the administratorverily NEXT?（）
A. Straight-through cable is used to connect both switches
B. Loopback plug is connected
C. Crossover cable is used to connect both switches
D. Cable is a rollover cable
第2题：
Which of the following tools would be the BEST to check connectivity of a CAT5 cable？（）
第3题：
A. Packet sniffer
B. Multimeter
C. Load balancer
D. Throughput tester
第4题：
A user is reporting that their computer is making strange noises and randomly powers off. Which of the following tools would MOST likely be used to troubleshoot this problem?（）
第5题：
Which of the following tools can be used to test if a 24-pin power cable is outputting correct voltage?（）
第6题：
If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?（）
第7题：
Which of the following tools should Mike, a technician, use when testing a serial port?（）
第8题：
A. Cable tester
B. Multimeter
C. Toner probe
D. Protocol analyzer
第9题：
Which of the following tools is BEST used to measure voltage and amperage from a power source?（）
第10题：
A user is unable to view any DVDs on their laptop which has a DVD-ROM drive installed. After further investigation, the technician realizes that there is not any DVD-ROM or CD-ROM available under the My Computer utility. Which of the following system utilities would MOST likely be used to identify and resolve this issue?（）