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 H-30

Which of the following connections are typically on the external PC chassis? (Select TWO).

A. AGP
B. SAS
C. IEEE1394
D. eSATA
E. IDE

Correct Answer: CD

Explanation:
IEEE1394 commonly known as Firewire port and eSATA connections are typicaly located on the external PC chassis. Firewire port is a serial bus interface that works like a USB. eSATA connection are typically external hard disks.

CompTIA A+ Question H-28

Which of the following would be a necessary step in performing preventive maintenance on a thermal printer?

A. Replace the print head
B. Apply the maintenance kit
C. Clean the heating element
D. Replace the toner

Correct Answer: C

CompTIA A+ Question H-27

Which of the following slots would MOST likely be used to install and configure a modern RAID card?

A. PCIe
B. AGP
C. CNR
D. ISA

Correct Answer: A

CompTIA A+ Question H-25

A user has a CAD / CAM workstation that is to be reconfigured into a Gaming PC. Which of the following would be the EASIEST and MOST effective upgrade?

A. Add better Sound Card
B. Install a TV Tuner
C. Add additional L2 cache
D. Install USB 3.0 Card

Correct Answer: A