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-39

Emily, a small business client, requests a secure SOHO wireless network setup. Emily wants to minimize interference as much as possible from the surrounding businesses yet needs the flexibility for her guests to access the network when authorized. Which of the following would be a feasible solution for Ann?

A. SSID broadcast off
B. No wireless password
C. Channel change
D. MAC filtering

CompTIA A+ Question J-84

A technician wants to simplify users’ wireless configuration in a new remote office. Which of the following must be configured on the access point to allow wireless clients to automatically negotiate secure authentication with the SOHO access point?

A. Enable QoS
B. Enable SSID Broadcast
C. Enable WPS
D. Enable MAC filtering

Correct Answer: C

CompTIA A+ Question H-84

After installing a new wireless router in a home office, a user’s remote clients have lost the ability to access the FTP server on the user’s home office LAN. Which of the following features in the router MUST be configured before the clients can regain secure access?

A. QoS
B. Port triggering
C. Port forwarding
D. MAC filtering

Correct Answer: C

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 G-58

An administrator wants to prevent people outside of the building from accessing a new wireless router. Which of the following is the LEAST labor intensive method to use while setting up new workstations?

A. Turn SSID broadcast off
B. Use wireless encryption
C. Institute MAC filtering
D. Setup static IP addresses

Correct Answer: A

Explanation:
http://www.speedguide.net/faq_in_q.php?qid=81

CompTIA A+ Question G-33

A computer technician is installing a new wireless router for a small office. The office already has an internal device that assigns addresses to users. Which of the following functions needs to be disabled on the router to prevent conflicts?

A. DMZ capability
B. MAC filtering capability
C. Network Address Translation
D. DHCP server functionality

Correct Answer: D

Explanation:
DHCP automatically assigns IP address, subnet mask and default gateway to provide access to workstations. Disable DHCP server before installing a wireless router so that you can configure it without DHCP assigning IP addresses to other computers.