CompTIA A+ Core 2 Question J-26

A company recently had a security breach and is now required to increase the security on their workstations. A technician has been tasked to harden all the workstations on the network. Which of the following should the technician do?

A. Enable Windows automatic updates
B. Enable screensaver required passwords
C. Enable MAC filtering
D. Enable wireless encryption

CompTIA A+ Core 2 Question J-18

When setting up a new wireless router, which of the following actions should the technician take FIRST in order to secure the network? (Select TWO).

A. Disable unused ports
B. Change the SSID
C. Position the antennas to prevent outside access
D. Enable MAC filtering
E. Change the default user name

Correct Answer: BE

Explanation:
The basic tasks to secure a network is to change SSID and the default user name. This is the basic security a user can employ to secure the network immediately.

CompTIA A+ Core 2 Question I-52

A technician, Peter, has a wired switch in a conference room for guests. In which of the following ways could Peter restrict the network to only six devices at a time, with minimum management effort? (Select TWO).

A. Disable the extra Ethernet ports on the switch
B. Configure DHCP for six addresses maximum
C. Enable Spanning Tree protocol
D. Create an access control list for each new PC
E. Configure DNS to only resolve six IP addresses F: Add each guest to the MAC filter list

Correct Answer: AB

CompTIA A+ Core 2 Question I-40

A SOHO has had several issues with various unauthorized devices consuming the network’s bandwidth. There are only four network devices that are authorized to access the Internet as well as the local LAN’s resources. Which of the following security implementations would MOST likely help disable network access to the unauthorized devices?

A. Using complex passwords
B. Disabling the use of static IP addresses
C. Disabling ports
D. MAC filtering

Correct Answer: D

CompTIA A+ Core 2 Question I-32

A technician is installing a webcam in a nursery for a user to monitor their baby. The user wants to ensure that the webcam is not broadcasting externally. Which of the following would the technician implement on the SOHO router to prevent the broadcast?

A. Enable MAC filtering
B. Enable static IPs
C. Block the outbound port
D. Change the default SSID

CompTIA A+ Core 2 Question I-6

An administrator sets up a wireless device that they will need to manage across the Internet. Which of the following security measures would BEST prevent unauthorized access to the device from the Internet?

A. Set the channels to wireless 802.11n only
B. Change the default username and password
C. Enable the wireless APs MAC filtering
D. Enable the wireless APs WPA2 security

Correct Answer: B

CompTIA A+ Core 2 Question H-42

A user would like to allow all of the devices on a home network to connect to the WAP except for smart phones. Which of the following features should be used to accomplish this?

A. Set a unique DHCP scope ID for the smart phones
B. Change the WAP SSID
C. Change the channel to the same frequency as the smart phones
D. Exclude smart phones from the MAC filter list

Correct Answer: D