220-1001 TO 092220

Which of the following is not an example of wireless networking communications?

• Bluetooth

• 802.11n

• Infrared

• DSL

An employee complains that every time they turn their computer off, the computer's time is set to 12:00 p.m., and the date is set back to January 1, 1990. Which of the following is the MOST likely cause of this anomaly?

• The CMOS battery has failed.

• The CMOS chip is failing.

• The CMOS settings are not being saved before powering off the computer.

• The CMOS chip on the motherboard is loose.

Which of the following tools is specifically designed to test the DC voltage on a hard disk drive power connector?

• Power supply tester

• Loopback plug

• Multimeter

• Cable tester

An end user clams they are unable to connect to the internet and has called the company's help desk for a

solution. Having been assigned to this issue, you decide to first test whether or not TCP/IP is working correctly on the local computer. Which of the following is the BEST command to use for this test?

• nslookup localhost

• ping 127.0.0.1

• netstat

• ping -a localhost

A user sends a print job to a network printer, and it prints page after page of random characters. He calls the help

desk, and a technician discovers that the wrong printer driver had been loaded on the user's workstation. The

technician loads the correct driver, verifies that the system works correctly, and documents the resolution.

Which of the following actions should the technician perform NEXT?

• Formally close the incident in any job tracking tool.

• Write an email to the user's supervisor and insist that he train his employees on how to use the network printer.

• Disable the network printer until users learn to use the correct drivers.

• Educate the user as to how the problem was resolved and verify that they are satisfied with the results.

• Upgrade to a newer printer that uses embedded drivers.

Which data transmission rate is defined by the IEEE 802.11b wireless standard?

• 2 Mbps

• 11 Mbps

• 10 Mbps

• 150 Mbps

• 54 Mbps

An administrator configures a server to run the TCP/IP suite protocol that allows users to download files

contained in specific directories on the server and also protects access to those files by requiring user

authentication. Which of the following TCP/IP port numbers allow this protocol to work properly? (Select TWO).

• 20

• 21

• 53

• 110

• 80

Which of the following port is required for DNS?

• 20

• 21

• 53

• 110

• 80

Which of the following allows a computer to communicate with a printer?

• Print queue

• Print spooler

• Print driver

• Printer port

Which of the following is a wired networking method most commonly used today by desktop PCs and other

network devices to connect to a local area network?

• 802.11n

• ArcNet

• Ethernet

• Token Ring

• Bluetooth