CompTIA A+ Question J-56

The wires that run along the side of an LCD panel in the display of a laptop are used for which of the following functions?

A. Prevent EMI from nearby electronics
B. Install additional backlights for the display
C. Wireless network card antenna leads
D. Connections for memory card reader in the display

Correct Answer: C

CompTIA A+ Question J-28

A technician is installing a wireless router to be used as an access point. The company firewall will assign IP addresses to devices on the wireless network. Which of the following settings does the technician need to disable on the wireless router to accomplish this?

A. NAT
B. DMZ
C. PAT
D. DHCP

Correct Answer: D

CompTIA A+ Question J-21

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

Correct Answer: C

CompTIA A+ Question I-73

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

Correct Answer: D

CompTIA A+ Question H-33

A user wants to secure their home wireless network and allow only certain devices access to the network. Which of the following measures would be the MOST effective means of limiting access?

A. Turn off DHCP
B. Use MAC filtering
C. Disable DMZ
D. Turn off SSID broadcasting

Correct Answer: B

Explanation:
MAC filtering allows only certain devices to access the network. It has no specific policies or rules. The Mac addresses of devices that you want to allow can be configured in mac filtering and only those devices will access the network.

CompTIA A+ Question H-31

A user is on a business trip with a company issued Windows 7 laptop and is unable to connect to corporate WLAN. To temporarily reconfigure the settings, which of the following must the technician must access?

A. Start/Control Panel/Network and Sharing Center/Change Adapter Settings/Wireless Network Connection Properties
B. Start/Control Panel/Network and Sharing Center/Manage Wireless Networks/Profile Types
C. Start/Control Panel/Network and Sharing Center/Manage Wireless Networks/Add/Create an ad hoc network
D. Start/Control Panel/Network and Sharing Center/Manage Wireless Networks/Add/Manually create a network profile

Correct Answer: A

CompTIA A+ Question G-7

A user is trying to setup a small office home office (SOHO) wireless network and does not want any neighbors to be able to discover the network. Which of the following parameters would MOST likely be configured?

A. Configure a proxy server address
B. Enable WEP encryption
C. Disable SSID broadcast
D. Configure DMZ settings