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2021 Dec a+ study guide pdf 220-801:
Q11. DRAG DROP - (Topic 5)
Drag and drop the IP address next to the appropriate description.
Answer:
Q12. - (Topic 2)
For a wireless network configured to use WPA2 with AES encryption, which of the following is the MAXIMUM bit strength of the encryption?
A. 64 bits
B. 128 bits
C. 256 bits
D. 1024 bits
Answer: C
Q13. - (Topic 2)
Which of the following is a public IP address?
A. 10.4.160.1
B. 55.5.254.1
C. 172.17.45.12
D. 192.168.100.100
Answer: B
Q14. - (Topic 4)
Which of the following describes pairing multiple sticks of RAM to increase performance?
A. Hypertransport
B. Hyperthreading C. Multi-channel
D. Double-sided
Answer: C
Q15. - (Topic 5)
Which of the following settings, when enabled, is MOST likely to result in an IP address conflict on a local network?
A. Custom DNS address
B. QoS enabled
C. UPnP enabled
D. Static IP address
Answer: D
Explanation:
http://compnetworking.about.com/od/workingwithipaddresses/f/ip_conflict.htm
Abreast of the times comptia 220-801 objectives:
Q16. - (Topic 1)
A technician is installing a liquid cooling system for a high-end gaming PC. Which of the following liquids is MOST likely used for cooling?
A. Iodine
B. Mercury
C. Thermal paste
D. Oil
Answer: D
Q17. - (Topic 7)
A technician needs to access the system BIOS at boot time on a PC. Which of the following are possible BIOS access keys? (Select TWO).
A. F2
B. F12
C. F8
D. Delete
E. Function - F4
F. Control - Home
Answer: A,D
Explanation:
Depending on the system, F2 or delete key can be used to access BIOS during the boot process on a PC. F2 is a common key and is used in majority of PCs with Windows installed.
Q18. - (Topic 1)
Which of the following devices would need to be configured to block specific ports and protocols from entering the network?
A. Bridge
B. Firewall
C. Port replicator
D. Gateway
Answer: B
Q19. - (Topic 5)
Which of the following video cable types would be MOST likely to experience gradual, degraded signal quality over a long distance?
A. HDMI
B. DisplayPort
C. VGA
D. DVI
Answer: C
Explanation:
http://www.tomshardware.com/forum/196268-33-signal-loss-long-distance-quality-cableneeded
Q20. - (Topic 6)
Which of the following is the FIRST component to transfer heat away from a processor?
A. Thermal paste
B. Case fan
C. Liquid cooling
D. Heatsink
Answer: A
Explanation:
http://www.techpowerup.com/articles/overclocking/134