CompTIA A+ Question K-84

An ISP has provided a DSL Internet connection with a static IP address. A technician is setting up a small office home office (SOHO) wireless router and needs to provide Internet access to five PCs on the network. Which of the following should be enabled?

A. NAT
B. WPS
C. MAC filtering
D. Port forwarding

Correct Answer: A

Explanation:
http://www.howstuffworks.com/nat.htm

CompTIA A+ Question K-83

The computer keeps rebooting, losing power, and shutting down intermittently. After verifying that there are no issues with overheating the technician suggests that PSU possibly needs to be replaced. Which of the following tools will technician use to determine if the PSU is the cause?

A. Cable tester
B. Toner probe
C. Multimeter
D. Loopback plug

Correct Answer: C

CompTIA A+ Question K-81

A user attending a conference needs to print something from a tablet immediately. Which of the following is the QUICKEST way for the technician to establish a connection for the user to print?

A. Bluetooth
B. WiFi
C. Hotspot
D. IR

Correct Answer: D

CompTIA A+ Question K-80

Which of the following network classes is identified by a subnet mask of 255.240.0.0?

A. Class A
B. Class B
C. Class C
D. Class D

Correct Answer: B

CompTIA A+ Question K-79

Which of the following memory types is primarily used in laptops?

A. SDRAM
B. DDR2
C. ECC
D. SODIMM

Correct Answer: D

CompTIA A+ Question K-78

An operating system running from a portable flash drive needs fast read/write speeds. Which of the following technologies is BEST suited to support this?

A. SATA3
B. FireWire 800
C. USB 3.0
D. eSATA

Correct Answer: C

CompTIA A+ Question K-77

After making a long CAT5 cable, the technician fears that the cable may have been damaged during the pull, but does not have a cable tester. Which of the following would be the BEST alternative tool to determine whether there are any breaks or shorts in the cable?

A. Multimeter
B. Voltmeter
C. Loopback plug
D. Punchdown tool

Correct Answer: A

CompTIA A+ Question K-76

Which of the following protocols would be BEST used to access the command line interface of a router securely?

A. TELNET
B. HTTP
C. SSH
D. SFTP

Correct Answer: C

CompTIA A+ Question K-75

During a presentation, a client removes confidential proposal materials from the presenter’s laptop via an IR connection. This behavior is expressly prohibited by the company. The client’s location in the audience is immediately identified. Which of the following should the technician do NEXT?

A. Track the evidence
B. Report to the proper channel
C. Identify the information compromised
D. Document the security breach

Correct Answer: B

Explanation:
Report this matter to your supervisor or manager. He can then escalate the problem to higher authorities and take proper action to mitigate or rectify this digital theft.