CompTIA Updated SK0-005 Exam Questions and Answers by safaa

Scenario: Four disks, requiring redundancy and maximum usable capacity.

RAID Level: RAID 10 (Option D) is the best choice:

RAID 10 combines mirroring (redundancy) and striping (performance).

RAID 0 lacks redundancy, RAID 1 provides less capacity, and RAID 5 requires more

The server’s local storage is experiencing problems. Only two out of four drives are found, and an additional hard drive connects and disconnects randomly.

Likely Cause: The most probable cause is a faulty power supply (Option B). Here’s why:

When a power supply is failing or not providing sufficient power, it can lead to intermittent connectivity issues with drives.

Drives may not be recognized during boot or may disconnect randomly due to power fluctuations.

RAM, CPU, and cooling failures typically result in different symptoms (e.g., blue screens, system instability, or overheating), which do not match the described issue.

The storage type that will yield the fastest database read performance is SSD. SSD (Solid State Drive) is a type of storage device that uses flash memory to store data. SSDs have no moving parts and can access data faster than traditional hard disk drives (HDDs) that use spinning platters and magnetic heads. SSDs are especially suitable for databases that are mainly used for archival lookups, as they can provide faster response times and lower latency for read operations.

References: CompTIA Server+ SK0-005 Certification Study Guide, Chapter 1, Lesson 1.2, Objective 1.2

Retention policies define how long data should be kept before being archived or deleted and help in determining the frequency of backups to ensure data is available when needed. These policies are crucial for compliance, storage management, and disaster recovery planning.

Retention policies (Answer A): These directly address how long data is kept and how often it should be backed up.

Service-level agreement (Option B): SLAs define performance expectations and uptime, not specific data retention or backup schedules.

Life-cycle management (Option C): This refers to managing data from creation to disposal but doesn’t specifically address backup frequency or retention periods.

Mean time to recover (Option D): This metric measures how long it takes to restore services after a failure, not backup scheduling.

CompTIA Server+ Reference:This topic relates to SK0-005 Objective 4.2: Explain the importance of data security concepts.