Question 11
A user, who is attempting to give a presentation via a projector in a conference room, reports that the projector has video but no audio. Which of the following will.
MOST likely resolve the issue?
A. Changing the input on the projector to VGA
B. Changing the output on the PC to DVI
C. Modifying the projector's refresh rate
D. Utilizing an HDMI connection
Question 12
A customer reports that a computer is never able to reach more than a 100Mbps transfer data rate, even when using a Gigabit LAN card. While troubleshooting, the technician notices the network cable needs to be replaced. Which of the following cable categories is limiting the transfer speed?
A. Cat 5
B. Cat 5e
C. Cat 6
D. Cat 6a
Question 13
While using a popular videoconferencing program, the user selects a webcam, but the software is unable to open the webcam. The webcam was working the previous day. Which of the following should be done to address this issue?
A. Close other video software and retry.
B. Adjust the conference software to a compatible resolution.
C. Switch the video from the webcam to "conference" mode.
D. Reseat or replace the webcam.
Question 14
A user failed to gain access to a building's entrance after security measures at the entrance were upgraded last week. The company implemented the 13.
56MHz frequency short band, and users can now utilize their mobile devices to authenticate. Which of the following has to be enabled for the mobile device to authenticate?
A. Bluetooth
B. Biometrics
C. NFC
D. PIN
Question 15
Which of the following standards supports MIMO technology?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n
Question 16
A technician powers on a PC and its monitor and sees the following error message:
No input signal detected -The display lights on the computer are on. Which of the following is a possible solution?
A. Changing the BIOS settings
B. Changing the connector setting on the monitor
C. Checking the power plug on the monitor
D. Checking the power plug on the PC
Question 17
Which of the following components enables the input on a mobile device's touch screen?
A. OLED
B. Digitizer
C. Inverter
D. CMOS sensor
Question 18
A technician unboxed a new computer, plugged it in to a UPS, and connected the requested peripherals. The computer lights and fans turn on, but the technician hears three loud, consecutive beeps during boot. Which of the following actions will remediate the issue?
A. Replacing the power supply
B. Replacing the UPS
C. Changing the CMOS battery
D. Reseating the RAM
Question 19
An IT manager discovered that hundreds of pages of printed materials are being recycled each day because the materials are left on the printer tray instead of being picked up by users. Which of the following would BEST prevent this waste?
A. Send friendly reminders to not print unnecessarily.
B. Enable duplex printing to reduce paper utilization.
C. Bill each department for the excess material cost.
D. Require a code or badge before releasing a print job.
Question 20
An online retailer wants to save money and is considering migrating to the public cloud so capacity can be added during the peak shopping season and automatically removed when the peak is over. Which of the following BEST describes this aspect of cloud computing?
A. Rapid elasticity
B. Metered utilization
C. Shared resources
D. High availability
