CTE Skills and Knowledge 3

Question 1

A customer complains that their workstation runs slowly after installing new software. Which diagnostic step should the technician perform FIRST?

Accepted Answer

Check Task Manager for resource-heavy processes

Answer

Task Manager reveals which processes are consuming CPU, RAM, or disk resources, allowing targeted diagnosis.

Question 2

Which type of malware disguises itself as legitimate software to gain unauthorized access to a system?

Accepted Answer

Trojan horse

Answer

A Trojan horse appears to be legitimate software but contains malicious code that executes once installed.

Question 3

What is the purpose of a POST (Power-On Self-Test) in a computer system?

Accepted Answer

To verify hardware components are functioning before boot

Answer

POST runs firmware-level diagnostics to verify CPU, RAM, storage, and other components before the OS loads.

Question 4

A technician is setting up a workstation in an office. Which IP address class is most commonly used for private internal networks?

Accepted Answer

All of the above are valid private ranges

Answer

RFC 1918 defines all three — Class A, B, and C — as valid private IP address ranges for internal networks.

Question 5

Which tool is used to crimp RJ-45 connectors onto the end of a twisted-pair ethernet cable?

Accepted Answer

Crimping tool

Answer

A crimping tool compresses the RJ-45 connector onto the cable, securing the pins to each wire.

(CTE) Certified Technical Experts Practice Test