220-1101 CompTIA Exam Lab Questions

Clicking and grinding noises indicate mechanical drive failure.

SMART data provides insights into the health and status of drives, helping identify failing components in the RAID array.

Why Not A (Run a magnet): This would damage drives.

Why Not B (Check if one drive is not level): Physical leveling is irrelevant.

Why Not D (Check OS logs): OS logs may provide limited information for RAID arrays.

Why Not E (Update RAID controller firmware): While important, it does not diagnose drive failure.

CompTIA A+ Exam Reference: Core 1 (220-1101), Section 3.3, storage troubleshooting​.

Category 7 (Cat 7) cables provide the best performance with the least Electromagnetic Interference (EMI) due to their enhanced shielding. Cat 7 cables are designed to support higher speeds and bandwidth while reducing interference compared to Cat 5 or Cat 6.

Why Not A (Cat 5): Cat 5 cables have limited shielding and are prone to EMI, making them unsuitable for high-performance requirements.

Why Not B (Cat 6): Cat 6 offers better shielding than Cat 5 but less than Cat 7.

Why Not D (Coaxial): While coaxial cables are resistant to EMI, Cat 7 offers better performance overall for networking applications.

CompTIA A+ Exam Reference: Core 1 (220-1101), Section 3.1, cable types and their performance characteristics​.

A spam gateway filters unsolicited emails at the server level, significantly reducing spam before it reaches user inboxes.

Why Not A (Load balancer): Load balancers distribute traffic but don’t filter spam.

Why Not C (Mail forwarding): Forwarding doesn’t filter spam.

Why Not D (Proxy servers): Proxies control web traffic, not email filtering.

CompTIA A+ Exam Reference: Core 2 (220-1102), Section 2.10, email security controls​.

A significant increase in the number of reallocated sectors on a hard drive is a clear indication that the drive is experiencing physical damage or wear and tear that cannot be repaired through software means. Reallocated sectors are bad sectors that the drive's firmware has marked as unusable and moved data to spare sectors. This is often a precursor to drive failure. Therefore, the most prudent next step is to replace the hard drive to ensure data integrity and system reliability.