Cisco Certified Support Technician (CCST) IT Support

Question 1

A smartphone user reports that their device frequently disconnects from the LTE network. What should the user check first to troubleshoot this issue?

A. Ensure that mobile data is turned on in the smartphone settings

B. Disable and then re-enable LTE in the network settings

C. Check for physical obstructions like cases or covers

D. Send the device for hardware repair

Correct Answer: A

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Question 2

An employee attempted to install software from an unknown source and now reports unusual system behavior.
What is the first action they should take to secure their system?

A. Delete the recently installed software via the control panel

B. Disconnect the device from the network immediately

C. Install another software from a different untrusted source to counteract the first

D. Continue using the system but avoid opening sensitive files

Correct Answer: B

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Question 3

During a meeting, a user tries to project their laptop's screen onto a conference room display but only the desktop background is visible on the external screen; no icons or applications are shown.
What should be done to correct this issue?

A. Set the external display to duplicate the laptop screen

B. Adjust the brightness settings on the external display

C. Change the wallpaper on the external display

D. Configure the external display as the primary monitor

Correct Answer: A

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Question 4

A technician needs to check network cables in a tight and cluttered server room. What safety precaution is most important to prevent accidents?

A. Keep all tools in a belt to avoid leaving them on the floor

B. Bring additional lighting to use if the server room lighting is insufficient

C. Move quickly through the server room to minimize time spent in a confined space

D. Use appropriate signage to indicate maintenance is in progress and secure loose cables before beginning work

Correct Answer: D

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Question 5

During routine maintenance, a technician notices that a server room's backup power supply is overheating significantly.
What is the immediate action the technician should take to adhere to basic safety procedures regarding potential fire hazards?

A. Spray the unit with a water-based fire extinguisher to cool it down

B. Shut down the backup power supply and disconnect it from the power source

C. Continue monitoring the temperature to see if it decreases on its own

D. Open the server room windows to increase air circulation and cool the unit

Correct Answer: B

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Question 6

An employee suspects that their workstation has been infected with malware after noticing unusual system behavior and unexpected pop-ups.
What is the first action they should take?

A. Continue working and monitor the situation

B. Delete suspicious files manually from the system

C. Disconnect the computer from the network

D. Install a free antivirus software from the internet

Correct Answer: C

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Question 7

A user is experiencing intermittent network issues and suspects a problem with the Ethernet cable. Which physical characteristic of an RJ-45 connector should the IT support technician instruct the user to check first?

A. The color of the cable

B. The security of the clip on the RJ-45 connector

C. The transparency of the cable sheath

D. The length of the cable

Correct Answer: B

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Question 8

What should an employee do if they receive an urgent call from someone claiming to be a senior executive who requests sensitive company information immediately?

A. Verify the identity of the caller by calling them back through the official contact number

B. Ask the caller to verify their identity by providing personal information

C. Send the information via email to have a record of the interaction

D. Provide the information as requested to comply with executive orders

Correct Answer: A

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Question 9

A company uses a range of IP addresses which fall into the category of private networks. They need to connect these devices to the internet.
What is necessary to facilitate this connection?

A. Convert all private IPs to public IPs

B. Use a proxy server to relay all internet requests

C. Implement DHCP on all client machines

D. Deploy NAT at the network boundary

Correct Answer: D

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Question 10

A user wants to upgrade the RAM on their Linux desktop and needs to find out the current RAM specifications to buy compatible modules.
What command should the IT support technician advise them to use?

A. free -m

B. sudo dmidecode -t memory

C. grep MemTotal /proc/meminfo

D. lshw -short | grep memory

Correct Answer: B

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Question 11

During an office setup, a technician needs to ensure that all desktop computers are equipped with the correct power cables to handle a power load of up to 600 watts for high-performance tasks.
What specification should the technician look for when selecting these power cables?

A. High amperage rating

B. High flexibility material

C. Fiber optic capability

D. Low resistance coating

Correct Answer: A

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Question 12

An IT support technician is instructing a remote user on how to determine the total and available memory in their Windows 10 computer.
Which of the following steps should the technician advise the user to perform?

A. Open Task Manager and select the "Performance" tab

B. Navigate to Control Panel > System and Security > System

C. Use the command prompt to execute mem /show

D. Check under Device Manager > Memory Technology Devices

Correct Answer: A

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Question 13

After installing a new app, a user finds that their smartphone frequently restarts.
What is the best immediate action to stop the restarts?

A. Uninstall the newly installed app

B. Clear the browsing history

C. Encrypt the smartphone

D. Disable Wi-Fi and Bluetooth

Correct Answer: A

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Question 14

During a network audit, a technician discovers that several devices have public IP addresses that are accessible from the internet.
What is the primary risk associated with this configuration?

A. It simplifies network management

B. It increases the speed of the internal network

C. It enhances the performance of network applications

D. It exposes the devices to potential external attacks

Correct Answer: D

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Question 15

During an inventory check, a technician needs to differentiate between USB-B and USB-B Mini cables.
What key physical characteristic should the technician look for to identify a USB-B Mini cable?

A. A symmetrical and flat connector

B. A longer and thinner connector than standard USB-B

C. A rounded and reversible connector

D. A smaller and more rectangular connector than standard USB-B

Correct Answer: D

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Cisco Certified Support Technician (CCST) IT Support - 100-140 Exam Practice Test

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