CTE Skills and Knowledge 2

Question 1

A technician is troubleshooting a network issue and uses the OSI model to isolate the problem. At which layer would a faulty NIC card most likely cause an issue?

Accepted Answer

Data Link Layer

Answer

A faulty NIC card operates at the Data Link Layer (Layer 2), which handles physical addressing and framing.

Question 2

Which type of cooling system uses a refrigerant to transfer heat away from electronic components in a data center?

Accepted Answer

Vapor compression cooling

Answer

Vapor compression cooling uses a refrigerant cycle to absorb and dissipate heat from data center equipment.

Question 3

When documenting a technical repair, which element is MOST critical to include for future reference?

Accepted Answer

Root cause and corrective action taken

Answer

Documenting the root cause and corrective action ensures future technicians can quickly address recurring issues.

Question 4

A PC fails to POST and emits three long beeps. What does this typically indicate according to standard BIOS codes?

Accepted Answer

RAM failure

Answer

Three long beeps on most BIOS systems indicate a RAM failure or memory error during POST.

Question 5

Which RAID level provides fault tolerance by mirroring data across two drives with no parity overhead?

Accepted Answer

RAID 1

Answer

RAID 1 mirrors identical data to two drives, providing fault tolerance without parity calculations.

(CTE) Certified Technical Experts Practice Test

(CTE) Certified Technical Experts Practice Test

CTE Skills and Knowledge 2