CompTIA A+ Essentials Free Practice Test – Chapter 1 (160-164)

CompTIA A+ Essentials Free Practice Test and Practice Exam – Chapter 1

Which of the following commands slops all network adapter connections, and allows the IP addresses to be used elsewhere?
A. ipconfig /flushdns
B. ipconfig /renew
C. ipconfig/restart
D. ipconfig/release
Answer: D

USB 2.0 has a MAXIMUM transmission speed of:
A. 54Mbps
B. 128Mbps
C. 480Mbps
D. 800Mbps
Answer: C

While at lunch, a user states that emails were sent from their computer to fellow co-workers without the user1 s knowledge. Which of the following recommendations should the technician make to the user to prevent this in the future?
A. Turn on the out of office feature in the email client software
B. Enable the Screensaver feature
C. Unplug the network cable
D. Use the operating system’s lock feature
Answer: D

Which of the following is the MAIN advantage of choosing a 64-bit (x64) operating system over a 32-bit (x86) operating system?
A. The ability to use software based data execution prevention (DEP)
B. The ability to run multiple 16-bit programs in separate memory spaces
C. The ability to use unsigned drivers
D. The ability to access more than 4GB of RAM
Answer: D


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