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CompTIA Server+ (SK0-005) practice questions

213 free questions with answers and explanations.

Practice test
  1. 101.A server administrator needs to implement a solution for managing user identities and access privileges across multiple applications and servers within an enterprise network. The solution must support centralized authentication and authorization. Which technology is best suited for this purpose?Security and Disaster Recovery
  2. 102.A server administrator is consolidating several older physical servers onto a new, powerful hardware platform. The goal is to maximize hardware utilization and simplify management while ensuring each application runs in its own isolated environment. Which technology is best suited for this scenario?Server Administration
  3. 103.A server is configured with a RAID 1 array for its operating system and critical data. The server administrator receives a notification that one of the drives in the RAID 1 array has failed. The server remains operational. Which of the following is the MOST appropriate next step for the administrator to take?Troubleshooting
  4. 104.A server administrator is configuring a new storage array for a virtualized environment that requires high throughput and low latency for database applications. The array will connect to multiple hypervisor hosts. Which storage connection technology would provide the BEST performance for this scenario?Server Hardware Installation and Management
  5. 105.A server rack is experiencing intermittent power loss to several devices. The power distribution unit (PDU) connected to these devices is rated for 20A, and the circuit breaker for the rack is also 20A. A technician calculates the total continuous load of all connected devices to be 18A. However, several devices have peak power draw ratings that, if combined, could momentarily exceed 20A. Which of the following is the MOST likely cause of the intermittent power loss?Troubleshooting
  6. 106.A server administrator is investigating why a critical application is failing to start after a recent operating system patch. The application's logs show 'Access Denied' errors when attempting to write to its data directory, even though the directory permissions appear correct for the service account. The server is running Windows Server, and the service account is a member of the 'Administrators' group. Which of the following security features is MOST likely interfering with the application?Troubleshooting
  7. 107.A server administrator is preparing to decommission an old server that contains sensitive customer data. Before physical destruction, the data on the drives must be completely unrecoverable to comply with data privacy regulations. Which of the following methods is the MOST effective for ensuring data sanitization?Server Administration
  8. 108.A server administrator attempts to log into a Linux server via SSH, but the connection is refused. Pinging the server's IP address is successful, and other services on the server (e.g., a web server) are accessible from the network. Which of the following is the MOST likely cause of the SSH connection refusal?Troubleshooting
  9. 109.A large enterprise is implementing a new identity and access management (IAM) solution. They require a centralized directory service that can manage user accounts, groups, and permissions across multiple operating systems and applications. The solution must support a hierarchical structure and be widely compatible with various vendor products. Which protocol is best suited for this requirement?Security and Disaster Recovery
  10. 110.A server administrator is configuring a new web server running Apache. The server needs to handle a high volume of concurrent connections and serve static content efficiently. Which of the following Apache Multi-Processing Modules (MPMs) is BEST suited for this scenario?Server Administration
  11. 111.A server administrator is tasked with securely decommissioning a server containing highly confidential health records. The server has multiple solid-state drives (SSDs). Simply deleting files or reformatting the drives is insufficient due to forensic recovery risks. Which of the following data destruction methods is MOST appropriate for these SSDs to ensure data irrecoverability?Security and Disaster Recovery
  12. 112.A server administrator needs to quickly deploy a new application that requires a specific version of Python and several libraries, without interfering with other applications or the host operating system's environment. The application also needs to be easily portable between different server environments. Which deployment strategy would best meet these requirements?Server Administration
  13. 113.A server administrator attempts to log into a Linux server via SSH, but the connection is immediately refused. The administrator confirms that the server is online and reachable via ping. Other services on the server (e.g., HTTP) are functioning correctly. Which of the following is the MOST likely cause?Troubleshooting
  14. 114.A security auditor is reviewing the server room's physical security measures. The auditor notes that while the room itself has access controls, individual server racks are not secured. To prevent unauthorized access to specific servers and their components, which of the following physical security controls should be recommended for implementation?Security and Disaster Recovery
  15. 115.A server administrator is investigating a critical application on a Windows Server that randomly crashes and restarts without generating any specific error logs or blue screen of death (BSOD). The server's event viewer shows repeated 'DistributedCOM (DCOM) error 10016' entries shortly before the application crashes, indicating permission issues for various COM components. What is the MOST appropriate initial step to troubleshoot this issue?Troubleshooting
  16. 116.A server administrator attempts to access a shared folder on a Windows file server from a Linux client using SMB/CIFS, but receives an 'Access Denied' error. Other Windows clients can access the share without issues. The Linux client is able to ping the server by IP and resolve its hostname. What is the MOST likely cause of this issue?Troubleshooting
  17. 117.A server administrator is troubleshooting a Windows Server that randomly reboots. The event logs show frequent 'Kernel-Power' Event ID 41 errors, indicating the system shut down unexpectedly. No other specific STOP errors (Blue Screen of Death) are present before the reboot. The server is connected to a UPS and has redundant power supplies, which are both showing green status lights. What is the MOST likely cause?Troubleshooting
  18. 118.A server administrator is deploying a new web application that will handle sensitive customer payment information. The company's compliance regulations require that all data at rest on the server's storage must be encrypted. Which encryption method should be implemented to protect the entire disk volume where the application and its data reside?Security and Disaster Recovery
  19. 119.A server administrator is commissioning a new high-density server rack. To ensure optimal cooling and prevent hot air recirculation from the rear (exhaust) of the servers to the front (intake), the administrator decides to implement a physical barrier. Which of the following cooling strategies is the administrator implementing?Server Hardware Installation and Management
  20. 120.A server administrator is configuring a new web server that will host sensitive customer data. To ensure data confidentiality and integrity during transit between the client browser and the server, which of the following protocols should be primarily enabled and correctly configured?Security and Disaster Recovery
  21. 121.A server is configured with 192GB of RAM. The operating system reports only 184GB as usable, despite all memory modules being correctly seated and recognized by the BIOS/UEFI. No hardware faults are indicated. Which of the following is the MOST likely reason for this discrepancy?Server Hardware Installation and Management
  22. 122.A security analyst is reviewing a server's configuration to ensure it adheres to the principle of least privilege. The analyst finds that a critical application service is running with root privileges, even though its operational requirements only involve writing to a specific log file and reading from a configuration directory. What is the most appropriate action to align this service with the principle of least privilege?Security and Disaster Recovery
  23. 123.A server administrator is designing a new server infrastructure that must be highly available and resilient to single points of failure. The plan includes deploying critical applications across multiple physical servers. Which architectural concept should be implemented to ensure continuous service even if one server fails?Server Administration
  24. 124.A server is configured to boot from a Solid State Drive (SSD) that contains the operating system. Recently, the server has been experiencing extremely long boot times, often taking several minutes to reach the login screen, even though application performance after boot is normal. The server's logs do not indicate any hardware errors. Which of the following is the MOST likely cause of the extended boot times?Troubleshooting
  25. 125.A server administrator is configuring a new web server that needs to serve multiple distinct websites, each with its own domain name (e.g., www.example.com, www.anothersite.org) and content, from a single IP address. Which web server feature enables this functionality?Server Administration
  26. 126.A server administrator is troubleshooting a performance issue on a Linux web server. Users are reporting slow page load times, and the server appears to be under heavy load. The administrator suspects a process is consuming excessive CPU resources. Which command should the administrator use to identify the top CPU-consuming processes in real-time?Server Administration
  27. 127.A server administrator is implementing an identity and access management (IAM) solution for a large organization. The goal is to centralize user authentication and authorization across multiple disparate applications and services, reducing administrative overhead and improving security consistency. Which protocol would be most suitable for achieving this single sign-on (SSO) capability and centralized identity management?Security and Disaster Recovery
  28. 128.A server administrator receives an alert that a server's CPU utilization is consistently at 95-100%, even during off-peak hours. The server hosts a critical database application. After checking running processes, the administrator identifies multiple instances of an unknown process consuming significant CPU resources. Which of the following is the MOST appropriate immediate action?Troubleshooting
  29. 129.A server administrator is implementing a data security policy that requires all data at rest on server hard drives to be encrypted. The solution must provide encryption for the entire disk, including the operating system, and allow for secure boot. Which technology would be most appropriate for this requirement?Security and Disaster Recovery
  30. 130.A server administrator needs to quickly deploy five new Linux virtual machines (VMs) with identical configurations for a testing environment. Each VM requires a specific set of packages and user accounts. Which of the following methods would be MOST efficient for this deployment?Server Administration
  31. 131.A server administrator is configuring a new storage area network (SAN) for a critical application that requires continuous data availability and minimal data loss in the event of a primary storage failure. Which replication method would best meet these requirements?Security and Disaster Recovery
  32. 132.A server administrator is implementing a new backup strategy for a critical application that generates a large volume of data daily. The goal is to minimize the backup window while ensuring that a full restore can be performed with the fewest possible backup sets. A weekly full backup is performed on Sunday. Which backup type should be used for Monday through Saturday to achieve this balance?Security and Disaster Recovery
  33. 133.A Linux server is experiencing extremely slow file transfers over its network connection. Running `ifconfig` shows the interface is up, and `ping` to the gateway is successful. However, `ethtool eth0` (assuming `eth0` is the interface) shows 'Speed: 100Mb/s' and 'Duplex: half', even though the switch port it's connected to is configured for 1Gb/s full-duplex. What is the MOST likely cause of the slow transfers?Troubleshooting
  34. 134.A server administrator needs to quickly deploy five new Linux virtual machines (VMs) with an identical operating system configuration, pre-installed software, and security hardening. To standardize the deployment process and reduce manual effort, which virtualization feature should the administrator leverage?Server Administration
  35. 135.A server has eight 2TB drives configured in a RAID 6 array. What is the total usable storage capacity of the array?Server Hardware Installation and Management
  36. 136.A server administrator is deploying a new server that requires high-speed, direct-attached storage for a local database. The server is equipped with a modern motherboard that has M.2 slots. Which storage technology would provide the fastest performance for this application?Server Hardware Installation and Management
  37. 137.A server administrator is reviewing the access controls for a critical production database server. The current configuration grants all database administrators full 'root' equivalent access to the underlying operating system. To align with security best practices and minimize potential harm from accidental errors or malicious activity, which principle should the administrator enforce?Security and Disaster Recovery
  38. 138.A server administrator is configuring a new web server running Apache that needs to host multiple domains (e.g., example.com, example.org) on the same IP address and port. Each domain must serve content from a different directory. Which Apache feature should the administrator use to achieve this?Server Administration
  39. 139.A server administrator is deploying new virtual machines on an existing hypervisor cluster. The administrator needs to ensure that each new VM automatically receives an IP address, subnet mask, default gateway, and DNS server addresses upon startup. Which network service must be properly configured and accessible for this to occur?Server Administration
  40. 140.A server administrator is configuring a new storage array for a virtualized environment that requires shared block-level storage access over a standard Ethernet network. The administrator wants to leverage existing network infrastructure as much as possible to minimize costs. Which protocol should the administrator choose for this storage solution?Server Hardware Installation and Management
  41. 141.A technician is installing a new virtualized server platform that will host several high-performance virtual machines. The server's motherboard supports 12 DIMM slots, and the maximum supported RAM capacity is 1.5TB. The technician wants to use memory modules that offer enhanced stability and error correction, which are crucial for a virtualized environment. Which type of memory module should the technician select?Server Hardware Installation and Management
  42. 142.A server administrator needs to implement a solution for managing user identities and access across multiple applications and services within a large enterprise. The solution must support centralized authentication and authorization, and be widely compatible with various operating systems and network devices. Which of the following protocols would BEST meet these requirements?Security and Disaster Recovery
  43. 143.A server administrator is deploying a new server that requires a specific operating system, kernel version, and a custom set of drivers not readily available in standard OS images. The server hardware is unique and has no existing virtualization support. Which OS installation and deployment method is BEST suited for this scenario?Server Administration
  44. 144.A technician is decommissioning an old server that contains sensitive customer data. The company policy dictates that all data must be rendered unrecoverable before disposal. Which method would ensure the highest level of data destruction for the server's hard disk drives?Security and Disaster Recovery
  45. 145.A server administrator is implementing a new scripting solution to automate routine server maintenance tasks. The solution needs to be cross-platform (Windows and Linux), support complex data structures, and have a wide range of modules for system administration. Which scripting language would be the MOST appropriate choice?Server Administration
  46. 146.A data center technician is troubleshooting a server experiencing intermittent power loss. Upon inspection, they notice that the server has two power supply units (PSUs), but only one power cable is connected to a power strip. Which of the following cabling best practices should the technician implement to improve power redundancy?Server Hardware Installation and Management
  47. 147.A server administrator is configuring network interface cards (NICs) on a new Linux server for a high-availability database cluster. The cluster requires redundant network paths and increased bandwidth. Which of the following networking configurations should the administrator implement?Server Administration
  48. 148.A server administrator is planning to deploy a new application that will run on a Linux server. The application's dependencies are complex and include specific library versions that conflict with other applications on existing servers. The administrator wants to package the application and its dependencies into a single, isolated unit that can be easily deployed and run consistently across different environments. Which technology best fits this requirement?Server Administration
  49. 149.A security analyst is hardening a new Linux server. After installing the operating system and necessary applications, the analyst proceeds to remove or disable all unnecessary services and network ports. This action is a direct implementation of which security principle?Security and Disaster Recovery
  50. 150.A data center is designed so that server rack fronts face each other with perforated floor tiles feeding cool air between them, while the rear exhausts of the racks face outward into a separate row that is ducted to return air to the CRAC units. Which cooling strategy does this describe?Server Hardware Installation and Management