Which of the following cable types must be used when running copper network cable through a suspended ceiling that is used for air ventilation?
A. Plenum
B. Multimode
C. Coaxial
D. Twisted pair
Show Answer
Correct Answer: A
Explanation: Plenum-rated cable is required in plenum spaces such as suspended ceilings used for air handling because its jacket is designed to produce less smoke and fewer toxic fumes in the event of a fire. The other options describe transmission media or fiber types rather than the required fire-rated cable jacket.
Question 37
The printer in a main office repeatedly jams. Which of the following tasks should a support technician do to solve the issue?
A. Apply a maintenance kit.
B. Replace toner or ink cartridges.
C. Install a new ribbon.
D. Change the printhead.
Show Answer
Correct Answer: A
Explanation: Repeated paper jams can result from worn paper-feed components, such as pickup rollers or separation pads. A maintenance kit replaces these wear items; toner or ink, ribbons, and printheads do not typically address paper-feed jams.
Question 37
A user has issues selecting objects on their tablet. The user tries to select an object, and the object that opens is to the right of the object that the user selects. Which of the following should a technician do to troubleshoot the issue?
A. Change the stylus.
B. Calibrate the digitizer.
C. Check for malware.
D. Clean the screen.
Show Answer
Correct Answer: B
Explanation: A consistent offset between the touch point and the object that is activated indicates the touch input mapping is inaccurate. Calibrating the tablet's digitizer realigns touch coordinates with the display. Replacing the stylus, checking for malware, or cleaning the screen would not typically correct a systematic positional offset.
Question 38
A technician is troubleshooting a laptop's connectivity via its USB-C port to a projector. The same laptop works well when it is connected to a USB-C docking station. The projector is configured as expected, and the USB-C cable was tested on a charging port. Which of the following could be the issue?
A. The USB-C cable requires a power injector
B. The USB-C cable is not compatible with Thunderbolt technology.
C. The USB-C cable needs an adapter to work with the laptop.
D. The USB-C cable does not support enough power.
Show Answer
Correct Answer: B
Explanation: A USB-C connector does not guarantee support for video or Thunderbolt features. The cable may be suitable for charging but lack the capabilities needed to carry the projector’s video signal. The laptop’s successful connection through a docking station shows it can output video over USB-C when the connection supports it.
Question 38
Which of the following describes the function of an injector?
A. To provide only data connectivity
B. To supply power across a cable
C. To improve wireless performance
D. To extend a network connection
Show Answer
Correct Answer: B
Explanation: An injector in networking typically refers to a Power over Ethernet (PoE) injector, which injects electrical power onto an Ethernet cable so compatible devices can receive both power and data over the same cable. It does not solely provide data connectivity, improve wireless performance, or extend network reach.
Question 39
A technician is troubleshooting internet connectivity issues after a firewall update. Users report that they can access local network resources, such as printers and shares, but cannot access the internet. Which of the following settings is most likely causing the issue?
A. Static IP assignments
B. Default gateway
C. Subnet mask
D. VLANs
Show Answer
Correct Answer: B
Explanation: The default gateway routes traffic from the local network to external networks. If local resources remain accessible but internet access fails, a missing or incorrect default gateway is the most likely setting issue.
Question 39
A technician needs to change the VLAN configuration for all the desktops in the sales office. Which of the following devices should the technician connect to in order to complete the task?
A. Modem
B. Hub
C. PoE injector
D. Managed switch
Show Answer
Correct Answer: D
Explanation: VLAN membership and port VLAN configuration are configured on a managed switch. Hubs do not support VLANs, modems provide WAN connectivity, and PoE injectors only supply power over Ethernet without VLAN management.
Question 40
Which of the following should be used when installing network cabling above a drop ceiling that is part of the shared air space?
A. Shielded twisted
B. Plenum-rated
C. Optical
D. Coaxial
Show Answer
Correct Answer: B
Explanation: Use plenum-rated cable in a ceiling space that carries shared air. Its jacket is designed to limit flame spread and produce less smoke than ordinary cable if exposed to fire.
Question 40
HOTSPOT
-
An office manager reports that a printer is experiencing performance issues. All double-sided printouts are getting stuck in the printer and must be manually removed. Additionally, there are streaks of faded text running down each page.
INSTRUCTIONS
-
Using the dropdown menus, select from the available printer parts to replace only the faulty components on the office printer to resolve the stated issues.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Show Answer
Correct Answer: Duplexer
Toner
Explanation: Replace the duplexer to fix jams that occur only during double-sided printing. Replace the toner cartridge to resolve faded vertical streaks, which are commonly caused by a depleted or defective toner/drum assembly.
Question 41
Which of the following is a Bluetooth network an example of?
A. PAN
B. LAN
C. WAN
D. SAN
Show Answer
Correct Answer: A
Explanation: Bluetooth connects nearby personal devices, making it an example of a Personal Area Network (PAN).
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