CompTIA exam questions
A user states that their wireless connection drops when the phone rings. Which of the following solutions BEST shows what the technician should do to prevent this from happening?
A. Move the access point closer to the user
B. Remove the phone
C. Change the frequency that the wireless router is using
D. Change the wireless security encryption settings
An unknown device has been found on a SOHO wireless router. Which of the following is BEST to perform to keep this device off the network?
A. Enable MAC filtering
B. Change the channel
C. Disable DHCP
D. Disable SSID broadcast
A technician wants to ensure that only authorized administrators can make configuration changes to the company’s wireless router. Which of the following MUST the technician change to prevent unauthorized users from modifying the access point configuration?
A. MAC address filters
B. Manufacturer password
C. Default SSID
D. Configure encryption
A technician has been informed by the IT security manager that a vulnerability has been discovered in the wireless router. The vulnerability could allow an attacker to take remote control of the device. Which of the following should the technician perform to address the issue?
A. Power off the device
B. Install an add-on card
C. Update the WiFi antenna
D. Update firmware
A technician is configuring a SOHO wireless router for a small business with three employees. After the three employees’ laptops have successfully connected to the wireless network, the company would like to prevent additional access to the wireless network. The technician enables WPA2 on the wireless router. Which of the following additional settings should the technician change?
A. Enable MAC filtering
B. Disable SSID broadcast
C. Reduce radio power level
D. Update router firmware
Jane, a user, states that after installing an update on her iPhone, the WiFi starts to malfunction. The WiFi icon is displaying that it has connectivity but she is still unable to browse. Which of the following could be the issue?
A. PRAM needs to be reset
B. iCloud is corrupted
C. The router needs to be rebooted
D. The upgrade needs to be uninstalled
A technician is configuring a SOHO router to ensure network computers can only use secured protocols on the Internet. Which of the following ports should be allowed?
A. 143
B. 23
C. 443
D. 3269 E. 3389
A network administrator notices a new WiFi connection has appeared as a wireless network choice and is always at the top of the list. As a result, users are constantly trying to connect to the wrong network. Which of the following should the administrator do to correct this issue?
A. Adjust the wireless router antennas to 90 degrees clockwise from the current position.
B. Ask the new wireless network owner to adjust the radio power level so it is listed below the company’s network.
C. Set all of the WiFi users’ wireless profiles to automatically connect to the company network.
D. Change the company’s channel to a lower number than the new network’s channel.
A technician has been notified that recent vulnerabilities have been discovered related to a type of SOHO router. The technician has verified that all connections and settings are appropriate. Which of the following actions should the technician take NEXT?
A. Change the router firewall settings
B. Check for and apply a firmware update
C. Reconfigure the QoS settings
D. Change router user-names and passwords
During the installation of a wireless router at a small business, it is noted that some of the wireless clients support WPA2 and some of the clients support WPA. Which of the following encryptions should be set on the router?
A. WPA
B. WPA2
C. WEP
D. TKIP