SK0-005 — CompTIA Server+
CompTIA

CompTIA Server+ (SK0-005) Practice Questions

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135 questions
June 14, 2026 updated
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Domain coverage

  • Server Hardware Installation and Management (18%)
  • Server Administration (30%)
  • Security and Disaster Recovery (24%)
  • Troubleshooting (28%)

Sample Questions (14 of 135 shown)

Q1 Server Hardware Installation and Management
A technician needs to install a 2U rack-mounted server into a standard 42U server rack. Which statement correctly describes the rack space requirement?
  1. A 2U server occupies 1.75 inches of vertical rack space
  2. A 2U server occupies 3.5 inches of vertical rack space
  3. A 2U server occupies 4.5 inches of vertical rack space
  4. A 2U server occupies 7 inches of vertical rack space
✓ Correct Answer: B
In rack-mount terminology, 1U equals 1.75 inches of vertical rack space. Therefore, a 2U server occupies 3.5 inches (2 × 1.75 inches). This standard ensures compatibility between equipment from different manufacturers.
Q2 Server Hardware Installation and Management
A data center administrator is planning the installation of new servers in a rack. Which safety consideration should be prioritized when determining vertical placement?
  1. Place all heavy equipment at the top of the rack for easier cable management
  2. Distribute weight evenly with heavier equipment placed lower in the rack
  3. Install servers randomly as all racks support unlimited weight
  4. Place all equipment at eye level for easier maintenance access
✓ Correct Answer: B
Proper rack balancing requires placing heavier equipment (such as UPS units 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.
Q3 Server Hardware Installation and Management
Which 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?
  1. RAID 0
  2. RAID 1
  3. RAID 5
  4. RAID 10
✓ Correct Answer: D
RAID 10 (RAID 1+0) combines disk mirroring and striping to provide both high performance and complete redundancy. It requires a minimum of four drives and can sustain multiple drive failures as long as they are not in the same mirrored pair.
Q4 Server Hardware Installation and Management
A server administrator needs to connect a server to a SAN using a dedicated storage network. Which connection type should be used?
  1. Standard Ethernet NIC with TCP/IP
  2. Fibre Channel HBA
  3. USB 3.0 external adapter
  4. Serial ATA cable
✓ Correct Answer: B
Fibre Channel Host Bus Adapters (HBAs) provide dedicated, high-speed connectivity to Storage Area Networks (SANs). Fibre Channel is designed specifically for storage networking with low latency and high throughput.
Q5 Server Hardware Installation and Management
Which cable type should be used to connect a server to a network switch where electromagnetic interference (EMI) is a significant concern?
  1. Cat 5e UTP
  2. Cat 6 UTP
  3. Cat 6a STP
  4. RG-6 coaxial
✓ Correct Answer: C
Shielded Twisted Pair (STP) cable should be used in high-EMI environments. The shielding protects against electromagnetic interference from power cables and heavy machinery. Cat 6a also supports 10 Gbps speeds up to 100 meters.
Q6 Server Hardware Installation and Management
What is the primary advantage of using SFP+ transceivers over standard RJ45 Ethernet connections for server networking?
  1. Lower cost per port
  2. Support for higher speeds and longer distances with fiber optic cables
  3. Simpler cable management with flat cables
  4. Compatibility with all legacy network equipment
✓ Correct Answer: B
SFP+ transceivers support 10 Gigabit Ethernet and can use fiber optic cables for distances up to 80km, far exceeding the 100-meter limit of copper RJ45 connections. They are hot-swappable and support various media types.
Q7 Server Hardware Installation and Management
A technician is replacing a failed drive in a RAID 5 array. Which statement correctly describes the rebuild process?
  1. The rebuild uses parity information to reconstruct data on the replacement drive
  2. The rebuild copies data from the backup server automatically
  3. The rebuild requires restoring from tape backup
  4. The rebuild happens instantly with no performance impact
✓ Correct Answer: A
During a RAID 5 rebuild, the system uses distributed parity information across the remaining drives to calculate and reconstruct the lost data. This process is computationally intensive and degrades array performance until completion.
Q8 Server Hardware Installation and Management
Which type of power distribution configuration provides redundancy by connecting a server to two separate PDUs fed by independent power sources?
  1. Single power feed
  2. Dual power supply with redundant feeds
  3. Power over Ethernet (PoE)
  4. Battery backup only
✓ Correct Answer: B
Dual power supply configurations with redundant feeds connect each server power supply to separate PDUs fed by independent circuits. If one power source fails, the server continues operating on the remaining power supply.
Q9 Server Hardware Installation and Management
An administrator needs to upgrade memory in a server that currently has 64GB of DDR4 RAM across 4 of 8 DIMM slots. The server supports up to 256GB. What factors must be considered?
  1. Only the total capacity limit matters
  2. Memory speed, rank configuration, and population rules must be followed
  3. Only ECC vs non-ECC compatibility matters
  4. Memory upgrades are not possible after initial installation
✓ Correct Answer: B
Server memory upgrades require careful consideration of memory speed, rank configuration, population rules, and matching specifications. Servers have specific DIMM slot population sequences for optimal performance.
Q10 Server Hardware Installation and Management
A system administrator needs to deploy 50 identical Windows Server installations across new physical servers. Which deployment method is most efficient?
  1. Manual installation from optical media
  2. Unattended installation using answer files and PXE network boot
  3. Install on one server and manually copy the drive
  4. Remote desktop installation to each server
✓ Correct Answer: B
Unattended installations using answer files combined with PXE network boot provide the most efficient method for mass deployment. Servers boot from the network and automatically install the OS using predefined configurations.
Q11 Server Hardware Installation and Management
A server administrator needs to install a new RAID controller that requires direct access to the system bus for maximum performance. Which slot type should be used?
  1. PCIe x16 slot
  2. PCI slot
  3. M.2 slot
  4. DIMM slot
✓ Correct Answer: A
High-performance RAID controllers require high-bandwidth interface directly connected to the system bus. PCIe x16 provides the highest data transfer rates and direct connection to the CPU/chipset bus.
Q12 Server Hardware Installation and Management
An organization is implementing hot-swappable drive capabilities. Which hardware feature is required to support this functionality?
  1. SAS backplane with drive carriers
  2. NVMe storage controllers
  3. Hardware RAID level 10 configuration
  4. Redundant power supplies
✓ Correct Answer: A
A SAS backplane with drive carriers provides the necessary power and data connections with the circuitry to safely insert or remove drives while the system is running. NVMe, RAID 10, and redundant power are not required for hot-swap capability.
Q13 Server Hardware Installation and Management
A datacenter technician needs to add 256GB of additional memory to a server that currently has 128GB installed across four channels. The server supports quad-channel memory. What is the best practice for installing the new memory?
  1. Install matching capacity DIMMs across all four channels in the same color-coded slots
  2. Install all new memory in the first two channels only
  3. Mix the new and old memory randomly across slots
  4. Install the largest capacity DIMMs in channel 0 first
✓ Correct Answer: A
To achieve optimal quad-channel performance, matching capacity DIMMs must be installed across all four channels in the color-coded slots. This ensures balanced memory bandwidth across all channels.
Q14 Server Hardware Installation and Management
Which of the following is the correct unit size designation for a 3.5-inch server chassis height in a standard 42U rack?
  1. 1U
  2. 2U
  3. 3U
  4. 4U
✓ Correct Answer: B
A 2U chassis occupies 3.5 inches (2 × 1.75 inches) of vertical rack space. The "U" unit designation is standardized at 1.75 inches per unit.

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Frequently Asked Questions

Server+ is considered more specialized than A+ and Network+ because it focuses specifically on server administration. It requires 2+ years of hands-on server experience. Our practice tests include PBQs that simulate real server scenarios (RAID configuration, virtualization setup, disaster recovery) to bridge the gap between theory and practice.

V5 (launched May 2021) adds stronger coverage of hybrid cloud environments, virtualization technologies, high availability (clustering, load balancing), and updated security hardening techniques. If you're studying for the current exam, make sure your materials are V5-specific — our question bank is fully updated for SK0-005.

CompTIA doesn't publish the exact number, but candidates report 3-5 PBQs alongside multiple-choice questions. PBQs require you to configure, drag-and-drop, or troubleshoot in a simulated server environment. Our practice engine includes PBQ simulators you won't be surprised on exam day.

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Server+ prepares you for roles including Server Administrator, Data Center Technician, Systems Administrator, and Network Operations Specialist. It's also recognized by the U.S. Department of Defense (DoD) and aligns with NICE and DCWF work roles. Our customers report an average salary increase of $10,000 after certification.

Most candidates need 6-8 weeks of consistent study (1-2 hours/day) with 2+ years of hands-on server experience. If you're new to server administration, allow 3-4 months. Our personalized study planner adapts to your schedule and tracks your progress across all four domains.

Server+ is vendor-neutral and valued by employers who run mixed-vendor environments (Dell, HPE, Cisco, cloud). Vendor-specific certs (like Dell or HPE) are valuable but narrow. Many professionals earn Server+ first to build foundational skills, then specialize with vendor certs. Our practice tests prepare you for either path.

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