200+ Free CompTIA Server+ Practice Questions

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Question 1

Score: 0/0

A technician needs to install a 2U rack-mounted server into a standard 42U server rack. Which statement correctly describes the rack space requirement?

A 2U server occupies 1.75 inches of vertical rack space

A 2U server occupies 3.5 inches of vertical rack space

A 2U server occupies 4.5 inches of vertical rack space

A 2U server occupies 7 inches of vertical rack space

to track

2026 Statistics

Key Facts: CompTIA Server+ Exam

750/900

Passing Score

CompTIA

~90

Exam Questions

CompTIA

90 min

Exam Duration

CompTIA

$390

Exam Fee

CompTIA

75-80%

Est. Pass Rate

Industry

3 years

Cert Valid

CompTIA

The CompTIA Server+ (SK0-005) exam has 90 questions to be completed in 90 minutes. The passing score is 750 on a scale of 100-900. The exam covers 4 domains: Server Hardware Installation and Management (18%), Server Administration (30%), Security and Disaster Recovery (24%), and Troubleshooting (28%). There are no formal prerequisites, but 18-24 months of server administration experience is recommended.

Sample CompTIA Server+ Practice Questions

Try these sample questions to test your CompTIA Server+ exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.

1A technician needs to install a 2U rack-mounted server into a standard 42U server rack. Which statement correctly describes the rack space requirement?

A.A 2U server occupies 1.75 inches of vertical rack space

B.A 2U server occupies 3.5 inches of vertical rack space

C.A 2U server occupies 4.5 inches of vertical rack space

D.A 2U server occupies 7 inches of vertical rack space

Explanation: In rack-mount terminology, 1U equals 1.75 inches (44.45mm) of vertical rack space. Therefore, a 2U server occupies 3.5 inches (2 × 1.75 inches). This standard measurement, established by the Electronic Industries Alliance (EIA), ensures compatibility between equipment from different manufacturers. Understanding rack unit measurements is essential for proper capacity planning and airflow management in data center environments.

2A data center administrator is planning the installation of new servers in a rack. Which safety consideration should be prioritized when determining the vertical placement of equipment?

A.Place all heavy equipment at the top of the rack for easier cable management

B.Distribute weight evenly with heavier equipment placed lower in the rack

C.Install servers randomly as all racks support unlimited weight

D.Place all equipment at eye level for easier maintenance access

Explanation: Proper rack balancing requires placing heavier equipment (such as UPS units, disk arrays, and large servers) in the lower portion of the rack. This creates a lower center of gravity, reducing the risk of the rack tipping over during installation or maintenance. It also makes installation safer by preventing technicians from lifting heavy equipment overhead. Always check floor load limitations and rack weight capacity specifications as well.

3Which RAID level provides the best balance of performance and redundancy for a file server requiring high read speeds and fault tolerance, using a minimum of four drives?

A.RAID 0

B.RAID 1

C.RAID 5

D.RAID 10

Explanation: RAID 10 (also called RAID 1+0) combines disk mirroring and striping to provide both high performance and complete redundancy. It requires a minimum of four drives, creating a striped array across mirrored pairs. RAID 10 can sustain multiple drive failures (as long as they are not in the same mirrored pair) and offers excellent read/write performance. RAID 0 offers no redundancy, RAID 1 uses only two drives with 50% capacity utilization, and RAID 5 suffers from write performance penalties due to parity calculations.

4A server administrator needs to connect a server to a SAN using a dedicated storage network. Which connection type should be used?

A.Standard Ethernet NIC with TCP/IP

B.Fibre Channel HBA

C.USB 3.0 external adapter

D.Serial ATA cable

Explanation: Fibre Channel Host Bus Adapters (HBAs) provide dedicated, high-speed connectivity to Storage Area Networks (SANs). Fibre Channel is designed specifically for storage networking, offering low latency, high throughput (up to 128 Gbps with modern standards), and reliable block-level data transfer. Unlike Ethernet-based iSCSI, Fibre Channel uses its own protocol stack optimized for storage operations. HBAs appear to the operating system as SCSI devices, enabling direct block-level access to storage.

5Which cable type should be used to connect a server to a network switch in a data center environment where electromagnetic interference (EMI) is a significant concern?

A.Cat 5e UTP

B.Cat 6 UTP

C.Cat 6a STP

D.RG-6 coaxial

Explanation: Shielded Twisted Pair (STP) cable, such as Cat 6a STP, should be used in high-EMI environments. The shielding protects against electromagnetic interference from power cables, fluorescent lights, and heavy machinery that can degrade signal quality in Unshielded Twisted Pair (UTP) cables. Cat 6a also supports 10 Gbps speeds up to 100 meters. RG-6 is used for cable television and satellite, not Ethernet networking.

6What is the primary advantage of using Small Form Factor Pluggable (SFP+) transceivers over standard RJ45 Ethernet connections for server networking?

A.Lower cost per port

B.Support for higher speeds and longer distances with fiber optic cables

C.Simpler cable management with flat cables

D.Compatibility with all legacy network equipment

Explanation: SFP+ (Small Form Factor Pluggable Plus) transceivers support 10 Gigabit Ethernet and can use fiber optic cables for much longer distances (up to 80km with single-mode fiber) compared to copper RJ45 connections limited to 100 meters. SFP+ modules are hot-swappable, allowing network upgrades without powering down servers. They also support various media types including fiber and direct attach copper (DAC) cables, providing flexibility in data center network design.

7A technician is replacing a failed drive in a RAID 5 array. Which statement correctly describes the rebuild process?

A.The rebuild uses parity information to reconstruct data on the replacement drive

B.The rebuild copies data from the backup server automatically

C.The rebuild requires restoring from tape backup

D.The rebuild happens instantly with no performance impact

Explanation: During a RAID 5 rebuild, the system uses distributed parity information across the remaining drives to calculate and reconstruct the lost data on the replacement drive. This process is computationally intensive and degrades array performance until completion. RAID 5 can tolerate only one drive failure, so if another drive fails during rebuild, data loss occurs. For this reason, many administrators prefer RAID 6 (which tolerates two failures) or RAID 10 for critical systems.

8Which type of power distribution configuration provides redundancy by connecting a server to two separate PDUs, each fed by independent power sources?

A.Single power feed

B.Dual power supply with redundant feeds

C.Power over Ethernet (PoE)

D.Battery backup only

Explanation: Dual power supply configurations with redundant feeds connect each server power supply to separate Power Distribution Units (PDUs), which are fed by independent circuits or even separate utility feeds. If one power source fails, the server continues operating on the remaining power supply. This N+1 redundancy is critical for high-availability environments. Enterprise servers typically support hot-swappable redundant power supplies that can be replaced without shutting down the system.

9An administrator needs to upgrade the memory in a server that currently has 64GB of DDR4 RAM installed across 4 of 8 available DIMM slots. The server specifications indicate support for up to 256GB. What factors must be considered for the upgrade?

A.Only the total capacity limit matters; any DDR4 memory will work

B.Memory speed, rank configuration, and population rules must be followed

C.Only ECC vs non-ECC compatibility matters

D.Memory upgrades are not possible after initial installation

Explanation: Server memory upgrades require careful consideration of multiple factors: memory speed (all modules typically run at the slowest speed installed), rank configuration (single-rank, dual-rank, quad-rank), population rules (which slots to fill first per the hardware manual), and maintaining matching specifications (ECC support, registered/buffered vs unbuffered). Servers also have specific DIMM slot population sequences that must be followed for optimal performance and recognition.

10A system administrator needs to deploy 50 identical Windows Server installations across new physical servers. Which deployment method is most efficient?

A.Manual installation from optical media on each server

B.Unattended installation using answer files and network boot (PXE)

C.Install on one server and manually copy the hard drive to others

D.Remote desktop installation to each server individually

Explanation: Unattended installations using answer files (unattend.xml for Windows) combined with Preboot Execution Environment (PXE) network boot provide the most efficient method for deploying multiple identical server installations. PXE allows servers to boot from the network and automatically install the operating system using predefined configuration settings. This eliminates manual intervention, ensures consistency across all systems, and significantly reduces deployment time compared to manual methods.

About the CompTIA Server+ Exam

The CompTIA Server+ (SK0-005) certification validates the skills needed to install, configure, manage, and troubleshoot server hardware and operating systems in data center, on-premises, and hybrid environments. It covers server hardware installation and management, server administration, security and disaster recovery, and troubleshooting. This vendor-neutral certification is ideal for server administrators, data center technicians, and IT professionals working with physical and virtual server infrastructure.

Questions

90 scored questions

Time Limit

90 minutes

Passing Score

750/900 (scaled)

Exam Fee

$390 USD (CompTIA / Pearson VUE)

CompTIA Server+ Exam Content Outline

18%

Server Hardware Installation and Management

Racking and physical installation, power and cooling, server components (CPU, memory, storage), RAID configurations, storage types (NAS, SAN, DAS), and hardware maintenance

30%

Server Administration

OS installation and configuration, network configuration (IP, DNS, DHCP), server roles and services, high availability (clustering, load balancing), virtualization, scripting basics, and asset management

24%

Security and Disaster Recovery

Data security concepts (encryption at rest/transit), physical security, identity and access management, server hardening, decommissioning, backup methods (full, incremental, differential), and disaster recovery planning (RTO, RPO, hot/warm/cold sites)

28%

Troubleshooting

Troubleshooting theory and methodology, hardware troubleshooting (POST errors, memory, power), storage issues (RAID failures, disk errors), OS and software problems, network connectivity issues, and security-related problems

How to Pass the CompTIA Server+ Exam

What You Need to Know

Passing score: 750/900 (scaled)
Exam length: 90 questions
Time limit: 90 minutes
Exam fee: $390 USD

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

CompTIA Server+ Study Tips from Top Performers

1Focus on Server Administration (30%) — the largest domain covering OS installation, network configuration, and server roles

2Master RAID levels thoroughly — know RAID 0, 1, 5, 6, 10 and when to use each

3Understand virtualization concepts including hypervisors, virtual networking, and resource allocation

4Study high availability concepts — clustering, load balancing, failover, and heartbeat connections

5Know backup strategies and the difference between full, incremental, and differential backups

6Understand disaster recovery metrics — RTO (Recovery Time Objective) and RPO (Recovery Point Objective)

7Practice troubleshooting methodology — identify, establish theory, test, plan, implement, verify, document

8Complete 200+ practice questions and score 80%+ consistently before scheduling

Frequently Asked Questions

What is the CompTIA Server+ passing score?

The CompTIA Server+ (SK0-005) exam requires a passing score of 750 on a scale of 100-900. The exam consists of up to 90 questions to be completed in 90 minutes. Questions include multiple choice and performance-based items. There is no negative marking, so candidates should attempt all questions. Results are provided immediately upon completion.

How hard is the CompTIA Server+ exam?

CompTIA Server+ is considered an intermediate-level certification with an estimated pass rate of 75-80% for well-prepared candidates. The exam is more challenging than A+ but less intensive than Network+ or Security+ for those without server experience. Candidates with 18-24 months of hands-on server administration experience typically find the exam manageable. Key to success is practical experience with server hardware, RAID configurations, and virtualization.

What topics are covered in the Server+ SK0-005 exam?

The Server+ exam covers 4 domains: Server Hardware Installation and Management (18%) — racking, power, RAID, storage; Server Administration (30%) — OS installation, network config, virtualization, scripting; Security and Disaster Recovery (24%) — encryption, hardening, backups, DR planning; Troubleshooting (28%) — hardware, storage, OS, network, and security issues. The largest section is Server Administration at 30%.

Are there prerequisites for the CompTIA Server+ exam?

There are no formal prerequisites for the CompTIA Server+ exam. However, CompTIA recommends having CompTIA A+ certification or equivalent knowledge, plus 18-24 months of hands-on experience working in a server environment. This experience should include working with server hardware, installing and configuring server operating systems, and basic troubleshooting. Server+ is often pursued after A+ and before or alongside Network+.

How does Server+ compare to other CompTIA certifications?

Server+ sits between A+ and Network+/Security+ in the CompTIA certification path. A+ covers general IT and hardware fundamentals; Server+ focuses specifically on server environments including data center infrastructure, RAID, virtualization, and server administration; Network+ covers networking concepts broadly; Security+ focuses on cybersecurity. Server+ is ideal for data center technicians, server administrators, and infrastructure specialists. It is the only major vendor-neutral certification focused specifically on server administration.

How long should I study for the CompTIA Server+ exam?

Most candidates need 6-10 weeks of study time, investing 60-100 hours total. Candidates with significant server administration experience may need less time (4-6 weeks), while those new to server environments may need more (10-12 weeks). Key study activities: 1) Review server hardware components and RAID configurations thoroughly; 2) Practice OS installation and network configuration in a lab environment; 3) Understand virtualization concepts and high availability; 4) Study disaster recovery concepts including RTO/RPO; 5) Complete 200+ practice questions and score 80%+ before scheduling.

Is CompTIA Server+ worth it in 2026?

Yes — CompTIA Server+ remains valuable for IT professionals working with on-premises and hybrid server infrastructure. While cloud computing has grown, organizations continue to maintain physical servers and data centers. Server+ provides vendor-neutral validation of server administration skills that apply across hardware platforms (HPE, Dell, Lenovo) and operating systems (Windows Server, Linux). The certification is particularly valuable for data center technicians, system administrators, and infrastructure engineers. Server+ is also a DoD 8570 approved baseline certification.