2: a user is experiencing problems with a laptop system overheating. you suspect the cpu cooling fan has a buildup of dust blocking air flow.

which of the following is the first step you should take in preparation for resolving this issue?

3: sherri is considering replacing a processor on her laptop. the laptop is running slower than she would like. what should sherri consider prior to taking the laptop apart? (select all that apply.)

4: terry received a support call from a supervisor at his company. when he arrived at his supervisor's work area, terry spoke with the supervisor and asked him for his in finding a solution for his computer's problem. the supervisor showed terry the error message and reproduced the error for him to see. terry backed up all the important data on the machine.

5: while working on your computer, you receive the post error, "drive not recognized." you check your sata cable to see if it is the problem, and it tests fine. you remove the hard drive and test it in a computer system known to be in good working condition and find that the hard drive is working. you can move data and check to make sure the os files are not corrupt. you use a power supply tester to see if the voltage for the sata power connection is correct, and the test shows the power is correct. you even check bios to make sure the hard drive can be recognized and find that all settings in bios are at default, so the system should recognize the hard drive.

what might be the problem with your hard drive system?

6: peter installs a new video card in his computer, and when he powers up his computer, there is no image on the screen. the fans on the video card are spinning. he checks to make sure the cable is connected to the new video card.

what is most likely the problem with the video system?

7: which of the following wireless networking standards by default supports a single operating frequency of 5.0 ghz with speeds up to 54 mbps?

8: your company is experiencing an increase in malware incidents. your manager is asking for advice on how best to verify that company-owned workstations are up-to-date with security patches, anti-malware requirements, and software application updates. the manager is also concerned that employee-owned devices connecting to the corporate lan have the same level of security as the company devices.

which of the following protections and services should you recommend?

9: sam cannot figure out why he can't get sound from his tablet's internal speakers and calls you asking for advice. you ask him to check to see if anything is stuck in the aux port. sam assures you nothing is in the aux port. he also checks to make sure the sound is not muted.

what might prevent sam from getting sound from his tablet?

10: a software developer is testing an application on a windows 10 desktop computer and needs to perform testing of this same application on windows 7, windows 8.1, and linux operating systems. due to company policy, the developer must use her existing computer and must be disconnected from the company network while performing these tests.

which of the following will best meet these requirements while providing the developer the same level of usability she is accustomed to?