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CCST IT Support Practice Test 8

CCST IT Support Practice Test

1 / 10

What is the primary purpose of a computer's CPU (Central Processing Unit)?

To store data and applications.

To display images and video on the screen.

To perform calculations and execute program instructions.

To connect the computer to the internet.

To provide power to all components.

2 / 10

A user is having trouble with a software application. The technician suspects that a system file has been corrupted. Which command-line utility on Windows can be used to scan for and restore corrupted system files?

chkdsk

taskkill

ping

sfc /scannow

3 / 10

What is a key characteristic of the TCP (Transmission Control Protocol)?

It is a connectionless protocol.

It is used for real-time applications like voice and video.

It provides reliable, ordered data delivery.

It is used to send simple, small packets.

It operates at the Network Layer of the OSI model.

4 / 10

Which of the following is a common sign that a computer's power supply unit (PSU) is failing?

The computer's fan is running loudly.

The computer randomly shuts down or fails to turn on.

The screen has a blue tint.

The mouse pointer freezes.

The keyboard keys are not responding.

5 / 10

A user reports that their internet connection is working, but their Wi-Fi signal is very weak. What should be the first thing the technician checks?

The router's IP address.

The user's computer's IP address.

The DNS server configuration.

The modem's connection to the internet.

The physical location of the wireless access point.

6 / 10

What is the purpose of a router in a network?

To logically segment a single physical switch into multiple broadcast domains.

To filter network traffic based on a set of rules.

To connect different networks and forward packets between them.

To provide dynamic IP addresses to hosts.

To resolve domain names to IP addresses.

7 / 10

A technician is setting up a new computer and needs to ensure that the operating system is up to date with the latest security patches. What is the best way to do this?

Manually download and install each update from a website.

Run the sfc /scannow command.

Restart the computer multiple times.

Reinstall the operating system.

Use the built-in operating system update feature.

8 / 10

What is the purpose of the netstat command on Windows or Linux?

To display the current network connections and open ports.

To test connectivity to a destination host.

To display the computer's IP address and subnet mask.

To resolve a domain name to an IP address.

To display the routing table.

9 / 10

A user reports that their computer's date and time are incorrect, even after setting them manually. What is the most likely cause of this issue?

The computer is infected with a virus.

The CMOS battery is dead.

The hard drive is failing.

The operating system is corrupted.

The network cable is unplugged.

10 / 10

A technician needs to configure a Linux server to automatically get its IP address from a DHCP server. Which command-line tool would they use to do this?

ifconfig

ip addr show

netstat

dhclient

route

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