BEST Verified CompTIA SK0-005 Exam Questions (2025)
The Best Practice Test Preparation for the SK0-005 Certification Exam
NEW QUESTION # 165
A technician has been asked to check on a SAN. Upon arrival, the technician notices the red LED indicator shows a disk has failed. Which of the following should the technician do NEXT, given the disk is hot swappable?
- A. Shut down the SAN
- B. Replace the disk
- C. Stop sharing the volume
- D. Stop all connections to the volume
Answer: B
Explanation:
The next thing that the technician should do, given the disk is hot swappable, is to replace the disk. A hot swappable disk is a disk that can be removed and replaced without shutting down the system or affecting its operation. A hot swappable disk is typically used in a storage array that has RAID (Redundant Array of Independent Disks) configuration that provides fault tolerance and redundancy. If a disk fails in a RAID array, it can be replaced by a new disk without interrupting the service or losing any data. The new disk will automatically rebuild itself using the data from the other disks in the array.
NEW QUESTION # 166
A technician has received multiple reports of issues with a server. The server occasionally has a BSOD, powers off unexpectedly, and has fans that run continuously. Which of the following BEST represents what the technician should investigate during troubleshooting?
- A. CPU overheating
- B. Firmware incompatibility
- C. ESD issues
- D. LED indicators
Answer: A
Explanation:
Explanation
Unexpected shutdowns. If the system is randomly shutting down or rebooting, the most likely cause is a heat problem.
NEW QUESTION # 167
An administrator needs to disable root login over SSH. Which of the following tiles should be edited to complete this task?
- A. /root/.ssh/ssh_config
- B. /etc.sshs_shd_config
- C. /etc.ssh/sshd_config
- D. /root.ssh/sshd/config
Answer: C
Explanation:
To disable root login over SSH, the server administrator needs to edit the SSH configuration file located at /etc
/ssh/sshd_config. This file contains various settings for the SSH daemon that runs on the server and accepts incoming SSH connections. The administrator needs to find the line that says PermitRootLogin and change it to no or comment it out with a # symbol. Then, the administrator needs to restart the SSH service for the changes to take effect. References: https://www.howtogeek.com/828538/how-and-why-to-disable-root-login- over-ssh-on-linux/
NEW QUESTION # 168
A server administrator is installing an OS on a new server. Company policy states no one is to login directly to the server.
Which of the following Installation methods is BEST suited to meet the company policy?
- A. Virtualized
- B. GUI
- C. Clone
- D. Core
Answer: A
NEW QUESTION # 169
A server administrator wants to ensure a storage array can survive the failure of two drives without the loss of dat a. Which of the following RAID levels should the administrator choose?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
RAID 6 is a level of RAID that can survive the failure of two drives without the loss of data. RAID 6 uses block-level striping with two parity blocks distributed across all member disks. RAID 6 can tolerate two simultaneous drive failures and still provide data access and redundancy. RAID 0 is a level of RAID that uses striping without parity or mirroring, and offers no fault tolerance. RAID 0 cannot survive any drive failure without data loss. RAID 1 is a level of RAID that uses mirroring without parity or striping, and offers fault tolerance by duplicating data on two or more disks. RAID 1 can survive one drive failure without data loss, but not two. RAID 5 is a level of RAID that uses block-level striping with one parity block distributed across all member disks. RAID 5 can tolerate one drive failure without data loss, but not two. Reference:
https://en.wikipedia.org/wiki/Standard_RAID_levels
NEW QUESTION # 170
A technician is unable to access a server's package repository internally or externally. Which of the following are the MOST likely reasons? (Choose two.)
- A. The local system log file is full
- B. The server has an architecture mismatch
- C. The default gateway is incorrect
- D. The technician does not have sufficient privileges
- E. The external firewall is blocking access
- F. The system time is not synchronized
Answer: B,F
NEW QUESTION # 171
An administrator has been asked to disable CPU hyperthreading on a server to satisfy a licensing issue. Which of the following best describes how the administrator will likely perform this action?
- A. Use a PowerSheII/Bash script.
- B. Modify the startup configuration.
- C. Use the BIOS/UEFI setup.
- D. Use a RDP/VNC session.
Answer: C
Explanation:
Explanation
The BIOS (Basic Input/Output System) or UEFI (Unified Extensible Firmware Interface) setup is a program that allows users to configure the hardware settings of a computer, such as the CPU, memory, disk, and boot options. The BIOS/UEFI setup can be accessed by pressing a specific key (such as F2, F10, or Delete) during the boot process, before the operating system loads12.
One of the settings that can be changed in the BIOS/UEFI setup is the CPU hyperthreading option.
Hyperthreading is a technology that enables a single physical CPU core to execute two threads or tasks simultaneously, improving the performance and efficiency of multi-threaded applications. However, some software licenses may limit the number of CPU cores or threads that can be used, and therefore require disabling hyperthreading on the server34.
To disable hyperthreading on a server, the administrator will likely need to enter the BIOS/UEFI setup and navigate to the processor options menu. There, the administrator will find a setting for Intel Hyperthreading Technology or Hyperthreading Function, which can be enabled or disabled. The administrator will need to disable this setting and save the changes. This will turn off hyperthreading on the server and reduce the number of logical CPUs to match the number of physical cores5.
NEW QUESTION # 172
A data center employee shows a driver's license to enter the facility Once the employee enters, the door immediately doses and locks, triggering a scale that then weighs the employee before granting access to another locked door. This is an example of.
- A. geofencing
- B. mantrap.
- C. RFID.
- D. a bollard
Answer: B
Explanation:
A mantrap is a security device that consists of a small space with two sets of interlocking doors, such that the first set of doors must close before the second one opens. A mantrap can be used to control access to a data center by verifying the identity and weight of the person entering. A bollard is a sturdy post that prevents vehicles from entering a restricted area. Geofencing is a technology that uses GPS or RFID to create a virtual boundary around a location and trigger an action when a device crosses it. RFID is a technology that uses radio waves to identify and track objects or people. References:
https://www.techopedia.com/definition/16293/mantrap
https://www.techopedia.com/definition/1437/bollard
https://www.techopedia.com/definition/23961/geofencing
https://www.techopedia.com/definition/506/radio-frequency-identification-rfid
NEW QUESTION # 173
A datacenter has ten 40U racks in a hot/cold aisle configuration. The room has adequate air conditioning, but servers located near the top of the racks are shutting down due to issues with heat. Which of the following should be used to reduce issues with heat?
- A. Higher-capacity PDUs
- B. Rail kits
- C. Blanking panels
- D. Rack balancing
Answer: C
Explanation:
Comprehensive Detailed Explanation with all CompTIA Server+ SK0-005 Study Guide References:Blanking panelsare used to fill empty spaces in server racks. By blocking airflow gaps between servers, blanking panels help to direct airflow properly, ensuring that the cold air from the cold aisle is not wasted and that the hot air from the hot aisle is contained. This is crucial for maintaining the efficiency of cooling systems in a hot/cold aisle configuration.
* Rack balancingaddresses the physical distribution of equipment, but it does not directly address thermal issues.
* Higher-capacity PDUs(Power Distribution Units) provide more power, but they do not address cooling or airflow problems.
* Rail kitsare used for mounting servers and are unrelated to cooling efficiency.
NEW QUESTION # 174
After the installation of an additional network card into a server, the server will not boot into the OS. A technician tests the network card in a different server with a different OS and verifies the card functions correctly. Which of the following should the technician do NEXT to troubleshoot this issue?
- A. Remove the original network card and attempt to boot using only the new network card.
- B. Check that the BIOS is configured to recognize the second network card.
- C. Ensure the server has enough RAM to run a second network card.
- D. Verify the network card is on the HCL for the OS.
Answer: D
Explanation:
The HCL stands for Hardware Compatibility List and it is a list of hardware devices that are tested and certified to work with a specific operating system. If a network card is not on the HCL for the OS, it may not function properly or cause compatibility issues. Therefore, verifying the network card is on the HCL for the OS should be the next step to troubleshoot this issue. References:
https://www.comptia.org/training/resources/exam-objectives/comptia-server-sk0-005-exam-objectives (Objective 4.1)
NEW QUESTION # 175
A technician is configuring a server that requires secure remote access. Which of the following ports should the technician use?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Explanation
The technician should use port 22 to configure a server that requires secure remote access. Port 22 is the default port for Secure Shell (SSH), which is a protocol that allows secure remote login and command execution over a network connection using a command-line interface (CLI). SSH encrypts both the authentication and data transmission between the client and the server, preventing eavesdropping, tampering, or spoofing. SSH can be used to perform various tasks on a server remotely, such as configuration, administration, maintenance, troubleshooting, etc.
NEW QUESTION # 176
Which of the following techniques can be configured on a server for network redundancy?
- A. Vitalizing
- B. Teaming
- C. Clustering
- D. Cloning
Answer: B
Explanation:
Teaming is a technique that can be configured on a server for network redundancy. Teaming involves combining two or more network adapters into a single logical unit that acts as one network interface. This way, if one network adapter fails, another one can take over without disrupting network connectivity. Teaming can also improve network performance by load balancing traffic across multiple network adapters. Clustering is a technique that involves grouping two or more servers together to act as one system for high availability and fault tolerance. Virtualizing is a technique that involves creating multiple virtual machines on a single physical server to optimize resource utilization and flexibility. Cloning is a technique that involves creating an exact copy of a server's configuration and data for backup or migration purposes. Reference: https://docs.microsoft.com/en-us/windows-server/networking/technologies/nic-teaming/nic-teaming https://www.techopedia.com/definition/19588/clustering https://www.techopedia.com/definition/4790/virtualization https://www.techopedia.com/definition/4776/cloning
NEW QUESTION # 177
A technician has received multiple reports of issues with a server. The server occasionally has a BSOD, powers off unexpectedly, and has fans that run continuously. Which of the following BEST represents what the technician should investigate during troubleshooting?
- A. CPU overheating
- B. Firmware incompatibility
- C. ESD issues
- D. LED indicators
Answer: A
Explanation:
Unexpected shutdowns. If the system is randomly shutting down or rebooting, the most likely cause is a heat problem.
NEW QUESTION # 178
An administrator is adding NAS-based storage to a server. Which of the following strategies will allow users to see BEST performance with this new NAS storage?
- A. Connect server to NAS storage using two redundant HBAs.
- B. Connect server to NAS storage using two redundant fabric switches.
- C. Connect server to NAS storage using two teamed 1 Gb NICs.
- D. Connect server to NAS storage using two redundant SCSI controllers.
Answer: C
NEW QUESTION # 179
A technician is configuring a server rack that will hold ten blade servers. Which of the following safety concerns should be observed? (Select three).
- A. PDU installation
- B. UPS power requirements
- C. Rack balancing
- D. Floor load limitations
- E. KVM placement
- F. Proper lifting techniques
- G. Separate circuits for power
- H. Power connector type
- I. Cable management
Answer: C,D,F
Explanation:
When configuring a server rack, it's important to consider:
A:loor load limitations: Server racks can be extremely heavy, especially when filled with equipment like blade servers. It is crucial to ensure that the floor can handle the load to avoid structural damage or failure.
B:ack balancing: Properly distributing the weight in a server rack is important for stability. Heavier equipment should generally be placed at the bottom to prevent the rack from becoming top-heavy and risking a tip-over.
C:roper lifting techniques: Using correct lifting techniques when placing servers into a rack is vital to prevent personal injury.
NEW QUESTION # 180
Which of the following can be BEST described as the amount of time a company can afford to be down during recovery from an outage?
- A. MTTR
- B. MTBF
- C. SLA
- D. RTO
Answer: D
Explanation:
https://whatis.techtarget.com/definition/recovery-time-objective-RTO
NEW QUESTION # 181
The management team has mandated the use of data-at-rest encryption for all data. Which of the following forms of encryption best achieves this goal?
- A. File
- B. Database
- C. rive
- D. Folder
Answer: C
Explanation:
Drive encryption is a form of data-at-rest encryption that encrypts the entire hard drive or solid state drive. This means that all the data on the drive, including the operating system, applications, and files, are protected from unauthorized access. Drive encryption is usually implemented at the hardware or firmware level, and requires a password, PIN, or biometric authentication to unlock the drive. Drive encryption is the most comprehensive and secure way to achieve data-at-rest encryption, as it prevents anyone from accessing the data without the proper credentials, even if they physically remove the drive from the server.
References: CompTIA Server+ Study Guide, Chapter 9: Security, page 367.
NEW QUESTION # 182
A technician has beer tasked to install a new CPU. Prior to the retaliation the server must be configured.
Which of the following should the technician update?
- A. The RAID card
- B. The backplane
- C. The HBA
- D. The BIOS
Answer: D
Explanation:
Explanation
The BIOS (Basic Input/Output System) is a firmware that controls the initialization and booting of a server. It also provides settings for the CPU, such as speed, voltage, and temperature. Updating the BIOS can improve the performance and compatibility of the CPU and other hardware components. Verified References: [BIOS],
[CPU]
NEW QUESTION # 183
Which of the following commands should a systems administrator use to create a batch script to map multiple shares'?
- A. nbtstat
- B. netuse
- C. tracert
- D. netstst
Answer: B
Explanation:
Explanation
The net use command is a Windows command that can be used to create a batch script to map multiple shares.
The net use command can connect or disconnect a computer from a shared resource, such as a network drive or a printer, or display information about computer connections. The syntax of the net use command is:
net use [devicename | *] [\\computername\sharename[\u0003volume] [password | *]]
[/user:[domainname\]username] [/user:[dotted domain name\]username] [/user:[[username@dotted domain name] [/savecred] [/smartcard] [{/delete | /persistent:{yes | no}}] where:
devicename = the drive letter or printer port to assign to the shared resource computername = the name of the computer that provides access to the shared resource sharename = the name of the shared resource password = the password needed to access the shared resource /user = specifies a different username to make the connection /savecred = stores the provided credentials for future use /smartcard = uses a smart card for authentication /delete = cancels a network connection and removes the connection from the list of persistent connections /persistent = controls whether the connection is restored at logon To create a batch script to map multiple shares, you can use the net use command with different drive letters and share names, for example:
net use W: \\computer1\share1 net use X: \\computer2\share2 net use Y: \\computer3\share3 You can also add other options, such as passwords, usernames, or persistence, as needed. To save the batch script, you can use Notepad or any text editor and save the file with a .bat extension12.
References: 1 https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/net-use 2
https://www.watchingthenet.com/create-a-batch-file-to-map-drives-folders.html
NEW QUESTION # 184
An administrator is troubleshooting a failed NIC in an application server. The server uses DHCP to get all IP configurations, and the server must use a specific IP address. The administrator replaces the NIC, but then the server begins to receive a different and incorrect IP address. Which of the following will enable the server to get the proper IP address?
- A. Updating the local hosts file with the correct IP address
- B. Modifying the MAC used on the DHCP reservation
- C. Updating the NIC to use the correct WWNN
- D. Modifying the WWNN used on the DHCP reservation
Answer: B
Explanation:
Explanation
A DHCP reservation is a way to assign a specific IP address to a device based on its MAC address, which is a unique identifier for each network interface card (NIC). When the administrator replaced the NIC, the MAC address of the server changed, and the DHCP server no longer recognized it as the same device. Therefore, the DHCP server assigned a different IP address to the server, which was incorrect for the application. To fix this problem, the administrator needs to modify the DHCP reservation to use the new MAC address of the NIC, so that the server can get the proper IP address.
A WWNN (World Wide Node Name) is a unique identifier for a Fibre Channel node, which is a device that can communicate over a Fibre Channel network. A WWNN is not related to DHCP or IP addresses, and it is not used for DHCP reservations. Therefore, options B and D are incorrect.
Updating the local hosts file with the correct IP address (option C) is also incorrect, because it does not solve the problem of getting the correct IP address from the DHCP server. The hosts file is a local file that maps hostnames to IP addresses, and it is used to override DNS queries. However, it does not affect how the DHCP server assigns IP addresses to devices. Moreover, updating the hosts file manually on every device that needs to communicate with the server is not a scalable or efficient solution.
References:
How to reserve IP Address in DHCP Server - Ask Ubuntu
Static IP vs DHCP Reservation - The Tech Journal
How to Configure DHCP Server Reservation in Windows ... - ITIngredients
NEW QUESTION # 185
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