CompTIA Server+ Practice Test

CompTIA Server+ Practice Test

CompTIA Server+SK0-005 exam practice questions

1 / 90

A physical server’s decommissioning plan lacks data sanitization. Which method ensures compliance with security policies?

2 / 90

A server’s performance degraded after adding users. top shows high CPU usage by a process. Which command identifies the culprit?

3 / 90

A cloud-based server needs automated backups. Which script command schedules a daily backup at 1 AM?

4 / 90

A server’s network interface stopped responding after a driver update. Which command rolls back to the previous kernel with the old driver?

5 / 90

A server room’s UPS failed during a power outage, causing data loss. What should have been implemented to prevent this?

6 / 90

A company requires high availability for a critical application. Which RAID level should you configure for fault tolerance and performance?

7 / 90

During a hardware upgrade, a server fails to boot, showing "no operating system found." What’s the first troubleshooting step?

8 / 90

A server’s data must be secured against unauthorized access. Which method hardens the server by restricting remote access?

9 / 90

A virtualization host needs an OS installed with specific storage requirements. Which command verifies the hardware compatibility before installation?

10 / 90

A new server rack is being installed, and you need to ensure proper airflow. What should you prioritize to manage server hardware effectively?

11 / 90

During server decommissioning, which step is mandatory for secure retirements?

12 / 90

Why do many servers contain dual network adapters?

13 / 90

Spare drives, PSUs, and controllers are added to inventory. What else must be done?

14 / 90

Best practice for cabling inside a rack is:

15 / 90

Before installing a server OS, what is most critical to verify?

16 / 90

A new system has no IP address yet, but remote access is required for OS deployment. What tool allows this?

17 / 90

A server shuts down due to thermal protection shortly after installation. What should be investigated first?

18 / 90

Why is an HCL important during hardware deployment?

19 / 90

Which cabling type is most appropriate for high-speed data center uplinks?

20 / 90

Before installing new rack hardware in a nearly full cabinet, what must be confirmed first?

21 / 90

Difference between backup and restore validation:

22 / 90

To secure administrative network interfaces, admins should implement:

23 / 90

To maintain year-long log history efficiently, admins use:

24 / 90

Disaster recovery "cold site" means:

25 / 90

Full disk encryption is deployed. What additional protection is required?

26 / 90

A secure server room should always include:

27 / 90

Redundant infrastructure increases uptime by:

28 / 90

Secure data retirement requires:

29 / 90

Which backup method ensures proven recoverability?

30 / 90

Securing encrypted servers further requires:

31 / 90

To maintain configuration integrity over time, administrators should:

32 / 90

Before deploying subscription-licensed software, what must be verified?

33 / 90

Primary advantage of virtualization is:

34 / 90

Which filesystem is most widely used in Linux servers today?

35 / 90

A new DHCP server is configured. What must be done before production cutover?

36 / 90

Modern cloud infrastructure typically licenses software using:

37 / 90

In virtualization terminology, a "guest" refers to:

38 / 90

Which key element must be part of every backup strategy?

39 / 90

Which RAID level provides redundancy using only two disks?

40 / 90

Before adding a VM to a host, what metric matters most?

41 / 90

Best-practice troubleshooting methodology:

42 / 90

Repeated I/O errors in logs usually indicate:

43 / 90

Server periodically freezes despite normal CPU/memory usage. Probable cause:

44 / 90

Server fails POST. What is most likely cause?

45 / 90

RAID5 enters degraded state. What must be done?

46 / 90

Redundant PSUs failed to prevent outage. Why?

47 / 90

After patching, an application crashes. What is the correct troubleshooting first step?

48 / 90

Server boots with incorrect date/time repeatedly. Likely fault is:

49 / 90

Linux disk usage is confirmed using:

50 / 90

NIC link LED is amber and network drops intermittently. Most likely cause?

51 / 90

A server administrator needs to configure a RAID array that provides both improved read/write performance through striping and fault tolerance through mirroring, requiring at least four drives. Which RAID level should be used?

52 / 90

Which RAID level uses single parity distributed across all drives, tolerating the failure of exactly one drive without data loss, while requiring a minimum of three drives?

53 / 90

Which RAID level uses double distributed parity, allowing the array to tolerate the simultaneous failure of two drives without data loss?

54 / 90

A technician is installing a redundant power supply configuration in a server chassis to protect against a single power supply failure. Which term describes this configuration?

55 / 90

Which type of server drive interface provides the highest performance by connecting directly to the PCIe bus, bypassing the traditional SATA or SAS controller bottleneck?

56 / 90

A server administrator needs to remotely access a server's console, including BIOS/UEFI settings and the ability to remotely mount an ISO image, even if the operating system has failed to boot. Which technology provides this capability?

57 / 90

Which server maintenance practice involves updating the low-level software that controls a hardware component, such as a RAID controller or network adapter, to fix bugs or add support for new features?

58 / 90

A server administrator wants to deploy the same operating system configuration to fifty new servers quickly and consistently, without manually installing and configuring each one individually. Which method is most appropriate?

59 / 90

Which virtualization component is responsible for creating and managing virtual machines, allocating a physical host's CPU, memory, and storage resources to each VM?

60 / 90

Which type of hypervisor runs directly on the physical server's hardware with no underlying host operating system, commonly used in enterprise data center virtualization?

61 / 90

Which server role automatically assigns IP addresses, subnet masks, and other network configuration information to client devices on a network?

62 / 90

Which server role resolves human-readable hostnames, such as server1.example.com, into their corresponding IP addresses?

63 / 90

A server administrator wants to automate a repetitive task, such as archiving old log files every night, without manual intervention. Which approach is most appropriate for this specific need?

64 / 90

Which Linux command-line utility displays real-time information about running processes, CPU usage, and memory consumption, updating continuously?

65 / 90

Which Linux command changes the permissions of a file or directory, such as granting execute permission to the file's owner?

66 / 90

Which Windows Server role allows administrators to centrally manage user accounts, group policies, and authentication for an entire domain?

67 / 90

Which licensing model charges based on the number of individual users or devices accessing a server, rather than the number of physical processors or cores on the server itself?

68 / 90

Which practice involves maintaining an accurate, up-to-date record of all server hardware and software assets, including model, serial number, and installed applications?

69 / 90

A server administrator wants to deploy a lightweight application packaging technology that shares the host operating system's kernel, making it more resource-efficient than a full virtual machine. Which technology should be used?

70 / 90

Which backup type captures only the data that has changed since the last full backup, resulting in a faster restore than a long incremental chain but requiring more storage over time?

71 / 90

Which backup type captures only the data that has changed since the most recent backup of any type, resulting in the smallest individual backup size and fastest backup window, but a longer restoration process requiring the full chain?

72 / 90

Which disaster recovery site type has some pre-installed hardware and connectivity, but requires data restoration and additional configuration before becoming fully operational, positioning it between a cold site and a hot site?

73 / 90

Which disaster recovery metric represents the maximum acceptable amount of data loss, measured in time, that an organization can tolerate, directly informing backup frequency decisions?

74 / 90

Which disaster recovery metric represents the maximum acceptable amount of time a system or service can remain down after a disruptive event before causing unacceptable business impact?

75 / 90

Which server hardening practice involves disabling unnecessary services, closing unused ports, and removing default accounts to reduce a system's attack surface?

76 / 90

Which physical security control uses a small, enclosed space with two interlocking doors, ensuring only one door can be open at a time, to prevent unauthorized tailgating into a secure data center?

77 / 90

Which access control model assigns permissions to users based on their organizational role, such as 'Database Administrator' or 'Backup Operator,' rather than assigning permissions to each individual user separately?

78 / 90

Which encryption concept ensures that data stored on a server's disk remains unreadable to anyone without the appropriate decryption key, even if the physical drive is stolen?

79 / 90

Which backup verification practice involves periodically attempting an actual restoration of backup data to confirm that backups are viable and can genuinely be used in a real recovery scenario?

80 / 90

According to standard troubleshooting methodology, which step should be performed immediately after identifying the problem and before implementing a solution?

81 / 90

A server's RAID controller reports a degraded array after a drive failure. Which troubleshooting step is most appropriate before removing the failed drive?

82 / 90

A server is experiencing intermittent reboots, and the technician suspects a hardware issue related to overheating. Which diagnostic tool would most directly help confirm this theory?

83 / 90

A Linux server's disk usage utility shows a partition is at 100% capacity, causing application write failures. Which command would help identify which specific directories are consuming the most space?

84 / 90

A server is unable to resolve external hostnames, though it can successfully ping a known external IP address directly. Which category of issue is most likely occurring?

85 / 90

A newly installed server is not receiving an IP address via DHCP. Which troubleshooting step should be performed first to isolate whether the issue is with the server's network interface or the DHCP server itself?

86 / 90

A server's application performance has gradually degraded over several months, and monitoring shows steadily increasing memory utilization with no corresponding decrease when the application is idle. Which issue is most likely occurring?

87 / 90

A technician needs to determine whether a server's slow application response time is caused by high CPU utilization, insufficient memory, or a storage I/O bottleneck. Which general troubleshooting approach is most appropriate?

88 / 90

A server administrator applies a recent patch, and afterward a critical application fails to start. Which troubleshooting step represents the most appropriate immediate remediation while root cause is investigated?

89 / 90

A server's event log shows repeated authentication failures from a single external IP address in a short period of time. Which issue is most likely occurring?

90 / 90

A server's time-sensitive application is experiencing authentication failures related to Kerberos, and the technician suspects a system clock synchronization issue. Which service should be checked and corrected first?

Your score is

The average score is 62%

0%