QUESTION 121
Which of the following will provide the BEST protection against power failures and data loss?
A. Auto-switching power supply
B. Uninterruptible power supply
C. Line conditioner
D. Surge suppressor
Answer: B
QUESTION 122
Which of the following tools are commonly used to remove dust and debris from inside a computer? (Select TWO).
A. Cotton and alcohol
B. Vacuum
C. Compressed air
D. Anti-bacterial surface cleaner
E. Feather duster
Answer: BC
QUESTION 123
Which of the following represents a connector that supports the connection of external devices? (Select TWO).
A. IEEE1394
B. eSATA
C. EIDE
D. SATA
E. IDE
Answer: AB
QUESTION 124
Which of the following are the MOST important considerations when configuring a PC that will be used for a CAD / CAM workstation? (Select TWO).
A. Gigabit NIC
B. HDMI output
C. Maximum RAM
D. Powerful processor
E. High end audio output
Answer: CD
QUESTION 125
A user has a new network printer they want setup in their home. The user wants all their PCs as well as any guests with laptops to be able to print to it. Which of the following connection methods would be the MOST effective for meeting these requirements? (Select TWO).
A. 802.11g
B. USB
C. Ethernet
D. Bluetooth
E. Serial
Answer: AC
QUESTION 126
Which of the following wireless networking standards can operate at two different frequencies simultaneously?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n
Answer: D
QUESTION 127
Which of the following allows for the FARTHEST transmission distance for data?
A. Bluetooth
B. Single-mode fibre
C. RG-6 cable
D. CAT6 cable
Answer: B
QUESTION 128
The helpdesk technician has been tasked to reinstall the OS on a desktop and has already inserted the OS install disk in the CD-ROM. Which of the following would MOST likely need to be configured within the BIOS to continue reinstalling the OS?
A. BIOS password
B. Flash BIOS for firmware upgrade
C. Boot sequence
D. Clock speeds
Answer: C
QUESTION 129
A user is requesting assistance in building a custom made PC for home theater use to connect to their existing large LCD screen. Which of the following components should MOST likely be recommended? (Select TWO).
A. Large IDE hard drive
B. HDMI output
C. Dual monitors
D. RAID array
E. TV tuner
Answer: BE
QUESTION 130
Which of the following devices might need drivers installed so that it can be recognized by the operating system and function properly?
A. Speakers
B. Monitors
C. Scanners
D. Projectors
Answer: C
If you want to pass the CompTIA A+ 220-801 exam sucessfully, recommend to read latest CompTIA A+ 220-801 Questions & Answers full version.
