You are working as a technician at certifyme.com. You are troubleshooting a
workstation that will not complete a POST (Power-on self test). Which two of the
following components may be defective to cause this behavior? (Select TWO).
A. memory
B. hard drive
C. CD-ROM
D. power supply
E. CPU
Answer: A,E
Explanation: Power-on self-test(POST) is the common term for a computer's,
router's or printer's pre-boot sequence.sk0-002 The same basic sequence is present on all
computer architectures. It is the first step of the more general process called initial
program load (IPL), booting, or bootstrapping.646-362 The term POST has become
popular in association with and as a result of the proliferation of the PC. It can be
used as a noun when referring to the code that controls the pre-boot phase or when
referring to the phase itself.RH302 It can also be used as a verb when referring to the code
or the system as it progresses through the pre-boot phase. POST will only test the
motherboard and components on the motherboard.
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