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Exam Code: 220-801
Exam Name CompTIA A+ 800 series
Certification Provider: CompTIA
Corresponding Certification: CompTIA A+

QUESTION 81
Which of the following adapters causes the LEAST amount of signal loss?

A.    VGA to DVI
B.    HDMI to VGA
C.    DVI to HDMI
D.    S-video to RCA

Answer: C
Explanation:
http://www.buzzle.com/articles/dvi-vs-hdmi-difference-between-dvi-and-hdmi.html ¹ (3rd para)

QUESTION 82
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

QUESTION 83
A technician is testing the voltages of connectors on the motherboard. Which of the following connectors would give a reading of 12V?

A.    USB
B.    Molex
C.    SATA
D.    IEEE 1394

Answer: B

QUESTION 84
A technician needs to set up three wireless AP's in a single small office building. Which of the following channels should the technician select (one channel per AP) to ensure the APs do not interfere with each other? (Select THREE).

A.    1
B.    3
C.    5
D.    6
E.    7
F.    8
G.    10
H.    11

Answer: ADH

QUESTION 85
A company would like to connect multiple departments into one network operations center (NOC), yet provide each department with autonomy from one another and enable them to share their high speed Internet connection. Which of the following devices would BEST enable the NOC to accomplish this?

A.    Repeater
B.    Switch
C.    Hub
D.    Bridge

Answer: B

QUESTION 86
A customer has a shared printer on their front desk. Both the printer and computer are heavily utilized on a daily basis. The user states the computer is constantly bogged down when they print a large document and would like it fixed. The BEST solution would be to:

A.    remove the printer share from the network.
B.    attach the printer to a print server.
C.    purchase inexpensive inkjet printers for all users.
D.    move the print share to another computer.

Answer: B

QUESTION 87
A company is converting to LCD monitors and needs to properly dispose of all CRT monitors. Which of the following is an important consideration when disposing of CRT monitors?

A.    The materials within the cathode ray tube are harmful.
B.    They are heavier than LCD monitors and therefore require special disposal.
C.    The glass of the tube can easily break and cause serious injury.
D.    The rays of the cathode can cause blindness if someone is exposed.

Answer: A
Explanation:
http://www.ecy.wa.gov/programs/hwtr/dangermat/electronic_waste_index.html ²

QUESTION 88
Joe, a user, requests that a new printer be installed for his SOHO environment. Joe wants to be able to print to the device from any location within the SOHO. Which of the following should be used?

A.    Infrared (IR)
B.    Serial
C.    802.11
D.    Bluetooth

Answer: C
Explanation:
http://www.webopedia.com/TERM/8/802_11.html ³

QUESTION 89
Which of the following is a standard Intel processor socket type?

A.    F
B.    754
C.    940
D.    LGA

Answer: D
Explanation:
http://en.wikipedia.org/wiki/Land_grid_array ⁴

QUESTION 90
Which of the following cable types is LEAST affected in areas of high EMI?

A.    UTP
B.    Coax
C.    STP
D.    Fiber

Answer: D
Explanation:
Fiber optic cable is not affected by electro magnetic interference because it is related to optics technology and doesn't have parts that might be affected by EMI.

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1. http://www.buzzle.com/articles/dvi-vs-hdmi-differe nce-between-dvi-and-hdmi.html
2. http://www.ecy.wa.gov/programs/hwtr/dangermat/elec tronic_waste_index.html
3. http://www.webopedia.com/TERM/8/802_11.html
4. http://en.wikipedia.org/wiki/Land_grid_array