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CompTIA Server+ (SK0-005) practice questions

213 free questions with answers and explanations.

Practice test
  1. 1.A server administrator is performing a routine check on a server and notices that the temperature sensors are reporting unusually high temperatures, particularly around the CPU and memory modules. The server is housed in a rack with other equipment, and the data center's ambient temperature is within acceptable limits. Which of the following is the MOST likely cause of the localized overheating?Server Hardware Installation and Management
  2. 2.A server administrator is troubleshooting a Windows Server application that relies on a specific third-party service. The service is configured to start automatically, but after a server reboot, the application fails to launch, and the service status shows 'Stopped'. Attempting to manually start the service results in 'Error 1053: The service did not respond to the start or control request in a timely fashion.' What is the MOST likely cause?Troubleshooting
  3. 3.A server administrator is configuring a new storage area network (SAN) that will connect multiple servers to a centralized storage array. The administrator requires high throughput and very low latency for block-level data access, and the solution must be scalable for future expansion. Which of the following SAN technologies would be the MOST appropriate choice?Server Hardware Installation and Management
  4. 4.A technician is performing routine maintenance on a server that hosts multiple virtual machines. The server's hardware RAID controller utility reports a 'Predicted Drive Failure' for one of the SAS drives in a RAID 6 array. All other drives are currently healthy, and the array is operating normally. What is the BEST course of action?Troubleshooting
  5. 5.A server administrator is investigating unexpected reboots on a critical production server. The event logs show a 'Blue Screen of Death' (BSOD) error with a stop code of '0x00000124' (WHEA_UNCORRECTABLE_ERROR). Which of the following hardware components is MOST often associated with this specific error code?Troubleshooting
  6. 6.A data center manager is planning to deploy a new rack of servers. To ensure efficient cooling, they want to prevent hot air from recirculating back into the cold aisles. Which of the following physical components would be MOST effective for filling unused spaces in the server racks to achieve this goal?Server Hardware Installation and Management
  7. 7.A server administrator is implementing a new backup strategy for critical financial data. The requirement is to have a full backup performed weekly, with daily backups capturing only changes since the last full or incremental backup. The backups must be stored off-site, and restoration time is a key concern. Which backup type best fits these requirements?Security and Disaster Recovery
  8. 8.A server administrator is configuring a new storage solution for a critical application that requires extremely high availability and data redundancy. The solution must ensure that if one storage device fails, another identical device automatically takes over with minimal interruption, and data is continuously synchronized between them. Which technology would best meet these requirements?Security and Disaster Recovery
  9. 9.A pilot deployment presents block-level storage from a NAS appliance to a hypervisor host over the existing Ethernet network using iSCSI. Which TCP port must remain open on the firewall for the iSCSI initiator to successfully connect to the target?Server Hardware Installation and Management
  10. 10.A technician is sizing a UPS for a rack containing three identical servers, each drawing 400W under normal load. The UPS operates the connected load at a power factor of 0.9. Which of the following standard UPS VA ratings should the technician select to safely support this load?Server Hardware Installation and Management
  11. 11.A server administrator receives an alert that a critical database server's temperature sensors are reporting abnormally high readings, consistently above 85°C for the CPU and chipset, even during periods of low utilization. The server is located in a data center with a functioning HVAC system, and other servers in the same rack are reporting normal temperatures. What is the MOST likely cause of this issue?Troubleshooting
  12. 12.A financial institution is implementing a strict security policy for its server rooms. The policy requires that access to the server racks themselves is restricted to authorized personnel only, even if they have already gained access to the server room. This is to prevent unauthorized tampering with individual servers. Which physical security control would best address this specific requirement?Security and Disaster Recovery
  13. 13.A server administrator is implementing a new backup solution for a critical database. The requirement is to minimize the backup window as much as possible while still ensuring data integrity. Which backup type would best meet this requirement, assuming a full backup is performed weekly?Security and Disaster Recovery
  14. 14.A server administrator needs to ensure that sensitive data stored on a retired server's hard drives cannot be recovered by any means, even with advanced forensic techniques. Which of the following methods provides the highest level of data destruction for the physical media?Security and Disaster Recovery
  15. 15.A server administrator is troubleshooting a Linux server that periodically becomes unresponsive, requiring a hard reboot. The system logs show repeated 'Out of Memory (OOM) Killer' messages, indicating that processes are being terminated due to memory pressure. The server has 16GB of RAM and 32GB of swap space. What is the MOST immediate and effective action to take?Troubleshooting
  16. 16.A server administrator needs to install a new rack-mounted server into an existing rack. The server is designed to be installed from the front of the rack and secured with screws. Which of the following form factors is MOST likely found on this server?Server Hardware Installation and Management
  17. 17.A technician is installing a new server that is 3U in height into a 42U rack. The rack already contains equipment occupying 27U of contiguous space from the bottom. After the new server is installed, how many rack units of open space remain in the rack?Server Hardware Installation and Management
  18. 18.A server administrator is deploying a new web application that requires a specific version of Node.js and several unique library dependencies. The application needs to be isolated from other applications on the same server to prevent dependency conflicts. Which deployment strategy would BEST meet these requirements while optimizing resource utilization?Server Administration
  19. 19.A server administrator is configuring a new web server that will host sensitive customer data. The company's security policy mandates that all data in transit between the client and the server must be encrypted to prevent eavesdropping and tampering. Which protocol should the administrator implement to meet this requirement for web traffic?Security and Disaster Recovery
  20. 20.A server administrator discovers that a critical application on a Windows server is intermittently failing to connect to its database, which resides on a different server. Pinging the database server by IP address is successful, but pinging by hostname sometimes fails. Other services on the application server can resolve external hostnames without issue. Which of the following is the MOST likely cause of this problem?Troubleshooting
  21. 21.A server administrator is investigating a server that is experiencing intermittent network connectivity issues, characterized by dropped packets and unusually high latency to external resources. Internal network communication (within the same subnet) is unaffected. What is the MOST likely cause?Troubleshooting
  22. 22.A security auditor is reviewing the access controls for a critical production server. The auditor discovers that several administrators have been granted 'Full Control' permissions to a shared directory that only needs read access for their daily tasks. This violates which security principle?Security and Disaster Recovery
  23. 23.A server administrator needs to write a script to automate a routine task that involves checking system logs for specific errors, processing text files, and interacting with a web API to report status. The script should be relatively easy to write and maintain, and widely supported across different Linux server environments. Which scripting language is the most suitable choice?Server Administration
  24. 24.A server administrator is deploying a new server that will host a critical database requiring extremely low latency and high I/O operations per second (IOPS) for its primary storage. The administrator wants to use direct-attached storage (DAS) for this purpose. Which of the following storage technologies would best meet these requirements?Server Hardware Installation and Management
  25. 25.A server administrator notes that a critical database server running Linux is experiencing extremely high swap space utilization, even though physical RAM usage appears to be only 60%. This is causing significant performance degradation. Which of the following is the MOST likely reason for this behavior?Troubleshooting
  26. 26.A server administrator is tasked with deploying a new web application that requires a specific version of a database and several dependent libraries. The application needs to be isolated from other services on the same host, and its environment must be easily reproducible across development, staging, and production. Which of the following technologies would BEST meet these requirements?Server Administration
  27. 27.A company is decommissioning several older hard disk drives that contain sensitive customer data. Simply deleting the files and reformatting the drives is deemed insufficient. Which method provides the highest level of data destruction to prevent forensic recovery?Security and Disaster Recovery
  28. 28.A server administrator needs to transfer sensitive configuration files from a local workstation to a remote Linux server. The transfer must be encrypted to prevent eavesdropping and should authenticate using SSH keys. Which command-line utility is BEST suited for this task?Server Administration
  29. 29.A company is planning its disaster recovery strategy. They need a secondary site that can be brought online within a few hours to take over critical operations in case of a major outage at the primary data center. Data must be relatively current, with backups shipped regularly, but real-time synchronization is not strictly required due to cost constraints. Which type of disaster recovery site would be most appropriate?Security and Disaster Recovery
  30. 30.A server administrator is deploying a new web application that requires specific network ports to be open for external access. After configuring the application and verifying it's running locally, external users report being unable to connect. The administrator confirms the server's local firewall is configured to allow the necessary inbound connections. What is the NEXT logical step in troubleshooting this external connectivity issue?Troubleshooting
  31. 31.A server administrator needs to ensure that the operating system installations across all new servers are consistent and adhere to company-defined security baselines. Which of the following documentation types is MOST critical for achieving this goal?Server Administration
  32. 32.A server administrator is evaluating different server roles for a new application. The application is a custom-developed Python web service that processes complex data requests, interacts with a database, and generates dynamic content for users. It does NOT serve static files directly or handle email. Which server role BEST describes the primary function of this new application server?Server Administration
  33. 33.A small business uses a single server for all its critical operations. The IT administrator is setting up a backup rotation scheme for daily incremental backups and weekly full backups, using tape media. To minimize the risk of data loss due to a single tape failure and to optimize the use of media, which backup rotation scheme is generally recommended for this scenario?Security and Disaster Recovery
  34. 34.A technician is installing a new enterprise server that will host several virtual machines. The server's specifications indicate support for DDR5 ECC RDIMMs. What is the primary benefit of using RDIMMs over UDIMMs in this server environment?Server Hardware Installation and Management
  35. 35.A server administrator is implementing a new backup strategy for a critical database. The strategy involves performing a full backup every Sunday, and then daily backups that only include files that have changed since the LATEST full OR differential backup. This approach aims to reduce backup time and storage space compared to daily full backups, while keeping recovery relatively efficient. Which backup type is being described for the daily backups?Security and Disaster Recovery
  36. 36.A system administrator needs to automate the daily backup process for a critical application server. The backup script is written in Bash and needs to execute at 2:00 AM every day. Which utility should the administrator use on a Linux server to schedule this recurring task?Server Administration
  37. 37.A server administrator is preparing to decommission a server that contains sensitive customer data. Before the server is physically removed from the data center, the administrator must ensure that all data on its hard drives is irrecoverably destroyed to prevent unauthorized access. Which of the following methods is the most secure and appropriate for this task?Server Administration
  38. 38.A large enterprise is designing a robust backup and disaster recovery strategy. For their most critical applications, they require continuous data protection with minimal potential for data loss and the ability to replicate data across geographically dispersed data centers in real-time. Which replication method is best suited for this requirement?Security and Disaster Recovery
  39. 39.A technician needs to connect a server's internal SAS host bus adapter to an external JBOD disk enclosure using a single cable capable of carrying four SAS lanes. Which connector type should the technician use?Server Hardware Installation and Management
  40. 40.A server administrator notices that a newly deployed virtual machine (VM) on an ESXi host is exhibiting extremely poor disk performance, despite the underlying storage array being robust and other VMs on the same host performing normally. The VM's virtual disk is configured as 'thick provisioned, lazy zeroed'. Which of the following is the MOST likely cause of the poor performance?Troubleshooting
  41. 41.A server administrator is designing a new server infrastructure for a high-traffic e-commerce website. The primary requirement is to minimize downtime in case of a single server failure, ensuring continuous service availability. Which architectural principle should be prioritized to meet this requirement?Server Administration
  42. 42.A company is implementing a new data retention policy for its archival server backups. The policy states that a full backup must be performed monthly, and these monthly backups must be kept for 7 years. Weekly incremental backups are performed and kept for 1 month, and daily incremental backups are kept for 1 week. This tiered approach to data retention is an example of which backup strategy?Security and Disaster Recovery
  43. 43.A server administrator discovers that a database server is performing very slowly, and applications connecting to it are frequently timing out. Upon checking the server's resource monitor, the disk I/O utilization is consistently at 100%, even during periods of low activity, while CPU and memory usage are normal. The server uses a RAID 5 array with five 1TB drives. Which of the following is the MOST likely cause of the performance issue?Troubleshooting
  44. 44.A server in a high-security data center needs to be protected from unauthorized physical access. Which of the following physical security measures would be most effective in preventing an attacker from tampering with the server's internal components without detection?Security and Disaster Recovery
  45. 45.A server administrator is tasked with deploying a new application across 50 virtual machines. Each VM requires the same operating system, application stack, and initial configuration. Manually installing and configuring each VM would be time-consuming and prone to errors. Which deployment method would be most efficient and ensure consistency across all VMs?Server Administration
  46. 46.A server rack contains several high-density servers that generate a significant amount of heat. The data center currently uses standard perforated floor tiles for cold air delivery and exhausts hot air into a common plenum. To improve cooling efficiency and prevent hot spots, which of the following cooling strategies would be MOST effective?Server Hardware Installation and Management
  47. 47.A server technician is troubleshooting a Windows server that occasionally experiences a 'Kernel-Power Event ID 41' error after an unexpected shutdown. The server has redundant power supplies, and both appear to be functioning correctly according to their status lights and server monitoring. What is the MOST likely cause of this error?Troubleshooting
  48. 48.A server administrator is evaluating different server roles for a new application. The application requires high computational power for complex data processing and needs to scale horizontally by adding more instances as demand increases. Which server role is best suited for hosting this type of application?Server Administration
  49. 49.A server administrator is designing a new server infrastructure for a small branch office. The office has limited space and a single 10GbE network connection. They need a storage solution that can provide both shared file access for users and block-level storage for a local virtualization host. The solution must be easy to manage and cost-effective. Which of the following storage solutions would best fit these requirements?Server Hardware Installation and Management
  50. 50.A server administrator is deploying a new application that uses a RESTful API. The application server needs to communicate securely with a backend database server located in a different network segment. Which network configuration ensures both secure and efficient communication between these two servers?Server Administration