CompTIA exam questions
A technician is preparing to install a new wireless printer for use in an environment with several wireless networks installed. Which will be used to determine the wireless network that the printer will be available from?
A. DNS
B. SSID
C. WPA
D. VPN
A technician has noticed that a client has an unsecured wireless network. Which of the following is the BEST security encryption type to protect the wireless network from intrusion?
A. WEP2
B. WEP
C. WPA2
D. WPS
Peter, a technician, is asked to replace the LCD panel portion of a laptop screen. Upon removing the outside cover, Peter finds loose wires surrounding the LCD panel. Which of the following is the MOST likely purpose of these wires?
A. Reduces EMI for a clearer video picture
B. Wiring for an a Bluetooth adapter
C. Antennas for the wireless network card
D. Connections for a high performance video card
A user has a laptop and is trying to connect to a wireless network but is unable to see any SSIDs. Which of the following would be the FIRST thing that the technician should do?
A. Connect the laptop to a wired connection
B. Reboot the nearest access point
C. Try to connect another device
D. Check that the wireless radio is not turned off
A technician configures a new laptop for a customer and tests it before packing it up. When the laptop arrives, it is unable to connect to any wireless networks. Which of the following should the technician instruct the customer to check FIRST?
A. Amount of Installed RAM
B. Updated WiFi drivers
C. CMOS battery
D. External toggle switch
A user on a wireless network has the IP address 169.254.155.2 but cannot connect to the Internet. Which of the following should the user check on the wireless router?
A. WPA
B. DHCP
C. WINS
D. DNS
A new secure SOHO is being setup using a wireless network. The users do not want any surrounding neighbors to be able to use this new network. Which of the following would MOST likely need to be configured? (Select TWO).
A. Configure WAP to use Channel 7
B. Configure WAP to use Channel 11
C. Enable SSID broadcast
D. Disable SSID broadcast
E. Enable DHCP server on the router
F. Configure wireless encryption
A user has received an error message when connecting to the wireless network. The error indicates the IP address being used by the user’s system is already in use. A DHCP server is used on the network. After having the user disconnect from the wireless network, the technician is still able to ping the user’s IP address. Which of the following is MOST likely the cause?
A. The user has a statically assigned IP address in the DHCP server scope.
B. The system’s local firewall is blocking SYN/ACK traffic from the DHCP server.
C. The DHCP server’s scope has been exhausted and no additional IP addresses are available.
D. The user is also connected to the wired network with a LAN cable.
A small office would like to offer Internet access to customers while onsite. However, customers should not be able to access any corporate data. Which of the following networking features would BEST enable this?
A. Configure a guest wireless network
B. Implement a DMZ
C. Disable NAT on the wireless network
D. Disable the SSID
E. Assign static IPs for all devices
Which of the following characteristics of wireless networks is TRUE?
A. 802.11g operates at 5.0Ghz.
B. 802.11n has a greater reach.
C. 802.11a operates at 2.4Ghz.
D. 802.11b is the fastest.