Free CompTIA Server+ Practice Test 2026 — SK0-005 Exam Questions & Answers
Practice with 550+ free CompTIA Server+ (SK0-005) exam questions covering all 4 official domains. Every question includes 4 answer options, the correct answer, and a detailed explanation — no signup required.
CompTIA Server+ validates your skills in server installation, management, and troubleshooting across data center, on-premises, and hybrid environments. This free practice test mirrors the official SK0-005 exam objectives so you can find weak areas before exam day and walk into Pearson VUE with confidence.
CompTIA Server+ SK0-005 Exam Domains
1. Server Hardware Installation and Management (18%)
Free Server+ practice questions on racking and cabling, power and cooling, RAID levels, storage technologies (SAS, SATA, NVMe, SAN, NAS), CPU and memory installation, and blade vs. rackmount servers. Practice this domain →
2. Server Administration (30%)
Free Server+ practice questions on server OS installation, virtualization and hypervisors, scripting basics, network services like DNS and DHCP, server monitoring, documentation, and asset management. Practice this domain →
3. Security and Disaster Recovery (24%)
Free Server+ practice questions on physical security, server hardening, backup types (full, incremental, differential), replication, hot/warm/cold DR sites, and secure data destruction. Practice this domain →
4. Troubleshooting (28%)
Free Server+ practice questions on the CompTIA troubleshooting methodology plus hardware, storage, OS, network, and security troubleshooting scenarios. Practice this domain →
Sample CompTIA Server+ Practice Questions
Sample Question 1 — Security and Disaster Recovery
Which of the following is a primary benefit of implementing multi-factor authentication (MFA) in a server environment?
- A. It reduces the need for regular password changes.
- B. It increases the complexity of passwords required.
- C. It provides an additional layer of security by requiring multiple forms of verification. (Correct answer)
- D. It allows for single sign-on capabilities across multiple platforms.
Correct answer: C
Explanation: Multi-factor authentication (MFA) enhances security by requiring users to provide multiple forms of verification, such as something they know (password), something they have (security token), or something they are (biometric verification). This makes unauthorized access more difficult. Option A and B are incorrect because MFA does not directly affect password change policies or complexity. Option D is incorrect because MFA is not specifically about single sign-on capabilities.
Sample Question 2 — Security and Disaster Recovery
What is the primary purpose of implementing a Data Loss Prevention (DLP) strategy in a server environment?
- A. To prevent unauthorized access to server rooms.
- B. To monitor and protect sensitive data from unauthorized transmission. (Correct answer)
- C. To ensure data is backed up regularly.
- D. To encrypt all data stored on the servers.
Correct answer: B
Explanation: Data Loss Prevention (DLP) strategies are designed to monitor and protect sensitive data from being transmitted without authorization, thus preventing data leaks. Option A is incorrect as it pertains to physical security. Option C is incorrect because it relates to backup strategies, not DLP. Option D is incorrect because while encryption is important, DLP specifically focuses on monitoring and controlling data movement.
Sample Question 3 — Server Administration
Which of the following is the primary purpose of implementing VLANs in a server environment?
- A. To provide redundancy in case of a network failure
- B. To separate network traffic for security and performance (Correct answer)
- C. To increase the physical distance of network cables
- D. To enable faster data migration between servers
Correct answer: B
Explanation: VLANs (Virtual Local Area Networks) are used to separate network traffic within a network environment, which enhances both security and performance by isolating different types of traffic. Option A, redundancy, is typically achieved with different technologies such as link aggregation. Option C, increasing physical cable distance, is unrelated to VLANs. Option D, data migration speed, is not directly affected by VLANs.
Sample Question 4 — Server Administration
During a server upgrade, you need to ensure minimal downtime. Which strategy should you implement to achieve high availability?
- A. Install a backup server in a different location
- B. Implement a clustering solution (Correct answer)
- C. Perform regular firmware updates
- D. Use RAID 0 for all data storage
Correct answer: B
Explanation: Clustering involves connecting multiple servers to work together, providing high availability by allowing one server to take over if another fails. Option A, installing a backup server, helps with disaster recovery but does not ensure immediate failover. Option C, firmware updates, is a maintenance task but does not directly provide high availability. Option D, RAID 0, improves performance but does not offer redundancy or high availability.
Sample Question 5 — Server Hardware Installation and Management
What is the primary benefit of using hot-swappable components in a server environment?
- A. Increased power efficiency
- B. Reduced hardware costs
- C. Minimized downtime (Correct answer)
- D. Enhanced data encryption
Correct answer: C
Explanation: Hot-swappable components allow for the replacement or addition of hardware without shutting down the server, thereby minimizing downtime. This is crucial in environments that require high availability. The other options do not directly relate to the benefits of hot-swappable components.
Sample Question 6 — Server Hardware Installation and Management
When planning the installation of multiple servers in a rack, which factor is most critical to ensure proper cooling?
- A. Using fiber optic cabling
- B. Implementing cable management
- C. Ensuring proper airflow (Correct answer)
- D. Selecting SSD storage
Correct answer: C
Explanation: Proper airflow is essential to ensure that servers are adequately cooled. This involves arranging equipment to facilitate front-to-back airflow and preventing hot air recirculation. While cable management (B) can help with airflow, it is not as directly critical as the airflow itself. The other options do not relate to cooling.
Sample Question 7 — Troubleshooting
A server in your data center is not booting, and the power indicator is off. What is the first step you should take to troubleshoot this issue?
- A. Check the power cable connections and ensure they are secure. (Correct answer)
- B. Replace the server's power supply unit.
- C. Verify the server's BIOS settings.
- D. Inspect the server's hard drives for failure.
Correct answer: A
Explanation: The first step in troubleshooting a server that is not powering on is to check the power cable connections. This is a simple and non-invasive step that can quickly identify if the issue is due to a loose or disconnected cable. Options B, C, and D are more complex and should be considered only after ensuring the server is properly connected to a power source.
Sample Question 8 — Troubleshooting
After a recent firmware update, a server's RAID array is no longer recognized by the operating system. What is the most likely cause?
- A. The RAID controller firmware is incompatible with the new update. (Correct answer)
- B. The server's power supply is insufficient to support the RAID array.
- C. The RAID array has been physically damaged during the update.
- D. The operating system requires a reinstallation to recognize the RAID array.
Correct answer: A
Explanation: Firmware updates can sometimes introduce compatibility issues, especially with hardware components like RAID controllers. Ensuring compatibility between the RAID controller firmware and the system firmware is crucial. Options B, C, and D are less likely causes in this scenario, as they do not directly relate to the firmware update.
Quick Readiness Check
Take a free 10-question CompTIA Server+ quick-start practice test covering all 4 SK0-005 domains. Get instant scoring with detailed explanations — perfect for a quick readiness check.
About the CompTIA Server+ SK0-005 Exam
The CompTIA Server+ exam (SK0-005, exam version V5) has a maximum of 90 questions — a mix of multiple-choice and performance-based questions — lasts 90 minutes, and requires a passing score of 750 on a 100–900 scale. CompTIA recommends A+ certification or equivalent knowledge plus around two years of hands-on experience in a server environment. The exam is offered in English and Japanese, and maps to NICE/DCWF work roles such as systems administrator and network operations specialist. Unlike most CompTIA certifications, Server+ is good for life and does not require continuing education renewal.
How Much Does CompTIA Server+ Cost and How Do I Register?
A CompTIA Server+ exam voucher costs approximately $369 USD (pricing varies by region — check comptia.org). CompTIA also sells bundles combining CertMaster Learn, Labs, and Practice with a voucher plus retake assurance. To register, buy a voucher from comptia.org, then schedule through Pearson VUE — either at a local testing center or as an online proctored exam from home. Because Server+ never expires, the voucher is a one-time investment: no renewal fees and no continuing education credits, ever.
How Hard Is CompTIA Server+?
Server+ sits at an intermediate level. Its 750/900 cut score (roughly 83%) is one of the higher pass marks among CompTIA exams — higher than Security+ (750 but broader curve familiarity) and A+ (675/700). The performance-based questions test real hands-on skills: configuring RAID, interpreting logs, and applying the CompTIA troubleshooting methodology in order. Candidates who consistently score 80%+ across all 4 domains on practice tests — not just overall — have the best pass rates. If one domain lags, drill it specifically using the per-domain practice tests above.
How to Use This Free CompTIA Server+ Practice Test
- Start with the 10-question quick start for a fast baseline across all 4 domains.
- Drill by domain weight. Spend the most time on Server Administration (30%) and Troubleshooting (28%) — together they cover more than half the exam.
- Read every explanation, including for questions you got right. The SK0-005 exam rewards understanding why an answer is correct, especially on troubleshooting scenarios.
- Simulate exam pacing. With up to 90 questions in 90 minutes, you have about 1 minute per question. Practice answering at that pace before test day.
- Retest weak domains until you score above 80% in each one, then schedule your exam.
Is CompTIA Server+ Worth It in 2026?
Yes — especially for careers in data centers, on-premises infrastructure, and hybrid cloud environments. Server+ is the industry-standard, vendor-neutral validation of server hardware, administration, security, disaster recovery, and troubleshooting skills. Because it never expires, it permanently signals hands-on server competence to employers — a strong complement to Network+ and Security+ for system administrator, data center technician, and infrastructure support roles.
CompTIA Server+ Practice Test FAQ
How many questions are on the CompTIA Server+ SK0-005 exam?
A maximum of 90 questions — multiple-choice plus performance-based questions (PBQs) — in 90 minutes.
What is the passing score for CompTIA Server+?
750 on a 100–900 scale, roughly 83%. Aim for consistent 80%+ scores on practice tests first.
How much does the CompTIA Server+ exam cost?
About $369 USD for a standalone voucher. Bundles with CertMaster training and retake assurance cost more but reduce exam-day risk.
Is CompTIA Server+ hard to pass?
It's intermediate-level with one of CompTIA's higher cut scores. CompTIA recommends A+ (or equivalent) plus about two years of hands-on server experience.
Does CompTIA Server+ expire?
No. Server+ is good for life — no renewal, no CE credits required.
How do I register for the Server+ exam?
Buy a voucher at comptia.org and schedule via Pearson VUE, in person or online proctored. Offered in English and Japanese.
Are these Server+ practice questions free?
Yes — free sample questions across all 4 domains with instant scoring and explanations, no signup. Premium unlocks the full 550+ question bank and exam simulations.
Is CompTIA Server+ worth it in 2026?
Yes, for data center, on-prem, and hybrid infrastructure roles — and since it never expires, it's a one-time investment.
Related Free CompTIA & IT Practice Tests
Start your free CompTIA Server+ practice test now | All Sample Tests