1500 Questions | CompTIA Server+ Certification 2026

Detailed Exam Domain Coverage

To ensure you are fully prepared, this practice test suite strictly follows the official CompTIA Server+ exam objectives. The 1500 questions are distributed across the following core domains:

• Server Essentials (24%)

  • Topics: Server hardware and architecture, Server installation and configuration, Server networking fundamentals.

• Installation and Configuration of Servers (24%)

  • Topics: Cloud and on-premises server deployment, Server imaging and cloning, Server operating system installation, Server configuration and hardening.

• Network Security and Configuration (24%)

  • Topics: Network security protocols and configurations, Virtual private network (VPN) configurations, Firewall and access control configurations, Data security and encryption.

• Network Troubleshooting and Performance Optimization (28%)

  • Topics: Network troubleshooting procedures and tools, Performance optimization techniques, Network security testing and vulnerability assessment, Network device configuration and management.

Course Description

Passing the CompTIA Server+ certification requires more than just skimming textbook theories; it demands practical application and scenario-based problem-solving. I designed this massive practice test bank to bridge the gap between foundational knowledge and actual exam success.

With exactly 1500 highly targeted practice questions, I have structured this course to mirror the real certification environment. You will be tested on the day-to-day tasks of server administration, from configuring physical hardware and deploying cloud environments to securing network access and troubleshooting complex performance bottlenecks.

Instead of just giving you the correct letter, I have taken the time to write a detailed explanation for every single answer. When you get a question wrong, you will understand exactly why your choice was incorrect and the technical reasoning behind the right solution. This method transforms a simple mock exam into a comprehensive study guide, allowing you to master hardware architecture, firewall configurations, server imaging, and vulnerability assessments naturally as you progress.

Whether you are configuring a VPN for a remote branch or diagnosing high latency on a database server, these questions represent the real-world scenarios you will face both on the exam and in your IT career.

Practice Questions Preview

Below is a sample of what you will find inside the course. Notice how deeply I break down the reasoning for every single option.

Question 1: A server administrator needs to resolve a severe bottleneck on an enterprise database server experiencing heavy read/write operations. CPU and RAM utilization are currently below 40%. Which of the following components should the administrator upgrade to optimize performance?

• A. Central Processing Unit (CPU)

  • Explanation: Incorrect. The scenario explicitly states that CPU utilization is below 40%, meaning the processor has plenty of overhead and is not the source of the bottleneck.

• B. NVMe Solid State Drive (SSD)

  • Correct Answer: B.

  • Explanation: Correct. Heavy read/write operations rely on storage input/output operations per second (IOPS). Upgrading to an NVMe SSD provides the massive IOPS throughput required to eliminate storage bottlenecks for heavy database transactions.

• C. Error-Correcting Code (ECC) RAM

  • Explanation: Incorrect. RAM utilization is below 40%. Adding more memory will not speed up the database since it is not currently constrained by available memory.

• D. Network Interface Card (NIC)

  • Explanation: Incorrect. While a NIC handles network traffic, there is no indication in the scenario that the network bandwidth is saturated, only that the server is struggling with read/write operations locally.

• E. Redundant Power Supply

  • Explanation: Incorrect. A redundant power supply provides high availability and fault tolerance, but it has zero impact on server processing speed or database read/write performance.

• F. Chassis Cooling Fans

  • Explanation: Incorrect. Unless the server is experiencing thermal throttling (which would manifest as high CPU strain or shutdown), upgrading cooling fans will not optimize database read/write speeds.

Question 2: Which of the following is the most secure method for a server administrator to remotely access and manage an on-premises Linux server across the public internet?

• A. Telnet

  • Explanation: Incorrect. Telnet transmits all data, including administrative passwords, in cleartext. It is highly insecure and should never be used across the public internet.

• B. Remote Desktop Protocol (RDP)

  • Explanation: Incorrect. RDP is primarily used for Windows environments, not Linux. Furthermore, exposing RDP directly to the public internet is a massive security risk without a VPN.

• C. SSH with key-based authentication

  • Correct Answer: C.

  • Explanation: Correct. Secure Shell (SSH) encrypts the remote management session. Using key-based authentication instead of a password prevents brute-force login attacks, making it the most secure and standard choice for Linux management.

• D. File Transfer Protocol (FTP)

  • Explanation: Incorrect. FTP is a file transfer protocol, not a remote management terminal. Like Telnet, standard FTP passes credentials in cleartext.

• E. Hypertext Transfer Protocol (HTTP)

  • Explanation: Incorrect. HTTP is for serving unencrypted web pages, not for secure remote server administration.

• F. Virtual Network Computing (VNC) without encryption

  • Explanation: Incorrect. VNC provides remote desktop capabilities, but running it without encryption over the public internet exposes the entire server interface and keystrokes to interception.

Question 3: A monitoring tool alerts a server administrator that an on-premises web server is suddenly experiencing unusually high latency. A quick baseline check reveals that CPU, RAM, and network bandwidth are normal, but disk queue length is constantly pegged at its maximum. What is the most likely cause?

• A. Failing hard drive or saturated storage array

  • Correct Answer: A.

  • Explanation: Correct. Disk queue length measures the number of read/write requests waiting to be processed by the storage drive. A constantly high queue length indicates the storage medium cannot keep up with requests, often due to physical failure or IOPS saturation.

• B. Distributed Denial of Service (DDoS) attack

  • Explanation: Incorrect. A DDoS attack would typically saturate the network bandwidth or exhaust the CPU/RAM connections. The scenario notes that CPU, RAM, and network metrics are normal.

• C. Faulty RAM module

  • Explanation: Incorrect. A faulty RAM module typically results in system crashes, kernel panics, or the "Blue Screen of Death," not sustained high disk queuing.

• D. Misconfigured DNS records

  • Explanation: Incorrect. DNS issues cause users to be unable to resolve the server's name to an IP address, which prevents connections entirely. It does not cause local disk queuing.

• E. Overheating CPU triggering thermal throttling

  • Explanation: Incorrect. If the CPU were thermally throttling, you would see CPU performance degradation and spikes in processing metrics, rather than isolated disk queue issues.

• F. Defective core router

  • Explanation: Incorrect. A defective router would drop packets and cause network latency or disconnects, but it would not cause the local server's disk queue to max out.

Important Course Features

• Welcome to the Mock Exam Practice Tests Academy to help you prepare for your CompTIA Server+ Certification.

• You can retake the exams as many times as you want

• This is a huge original question bank

• You get support from me if you have questions

• Each question has a detailed explanation

• Mobile-compatible with the Udemy app

I hope that by now you're convinced! And there are a lot more questions inside the course.