Skills and Knowledge Flashcards

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

Answer: Check Task Manager for resource-heavy processes

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

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

Answer: Trojan horse

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

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

Answer: To verify hardware components are functioning before boot

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

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

Answer: All of the above are valid private ranges

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

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

Answer: Crimping tool

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

In electrostatic discharge (ESD) prevention, what does the anti-static wrist strap connect to?

Answer: A ground point on the workbench or chassis

The anti-static wrist strap must connect to a grounding point to safely dissipate static charge from the technician's body.

A technician replaces a failed hard drive and needs to restore data. Which practice ensures data can be recovered with minimal loss?

Answer: Implementing a regular backup schedule

A regular backup schedule ensures that recent data can be restored after hardware failure with minimal data loss.