A
B
C
D
第1题：
A. The memory is failing.
B. The CPU is overheating.
C. The hard drive is not attached properly.
D. The operating system is not installed.
第2题：
A.HOST-A
B.HOST-B
C.HOST-C
D.HOST-D
第3题：
A.a
B.b
C.c
D.ac
E.abc
第4题：
A user reports that after configuring the BIOS to boot to the hard drive first, the system still tries to boot from the optical drive. Which of the following is the MOST likely cause?（）
第5题：
When Bob, a technician, powers up a desktop PC, the unit will repeat three short beeps and will not POST. Which of the following is MOST likely the problem?（）
第6题：
A.568A
B.568B
C.Crossover
D.Loopback
第7题：
A. Switching loop
B. Broadcast storm
C. IP conflict
D. Routing loop
第8题：
A.A
B.B
C.C
D.D
第9题：
A system administrator did not receive a response while attempting to ping loopback. Which of the following would most likely resolve this problem？（）
第10题：
Which of the following wiring standards would MOST likely be used to interconnect two devices without the use of a hub or switch?（）