[2023] Pass CompTIA SK0-005 Exam Updated 326 Questions
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CompTIA Server+ Certification is a valuable credential for IT professionals who are looking to advance their careers. It is recognized by employers around the world and can help individuals stand out in a competitive job market. Additionally, certified professionals can earn higher salaries and enjoy greater job security than their non-certified counterparts.
NEW QUESTION # 74
A systems administrator has noticed performance degradation on a company file server, and one of the disks on it has a solid amber light. The administrator logs on to the disk utility and sees the array is rebuilding. Which of the following should the administrator do NEXT once the rebuild is finished?
- A. Restore the server from backup.
- B. Restore the server from a snapshot.
- C. Swap the drive and initialize the array.
- D. Swap the drive and initialize the disk.
Answer: D
Explanation:
The next action that the administrator should take once the rebuild is finished is to swap the drive and initialize the disk. This is to replace the faulty disk that has a solid amber light, which indicates a predictive failure or a SMART error. Initializing the disk will prepare it for use by the RAID controller and add it to the array. The administrator should also monitor the array status and performance after swapping the drive. Reference: https://www.salvagedata.com/how-to-rebuild-a-failed-raid/
NEW QUESTION # 75
Which of the following documents would be useful when trying to restore IT infrastructure operations after a non-planned interruption?
- A. Service-level agreement
- B. Business continuity plan
- C. Disaster recovery plan
- D. Business impact analysis
Answer: C
NEW QUESTION # 76
An administrator needs to perform bare-metal maintenance on a server in a remote datacenter. Which of the following should the administrator use to access the server's console?
- A. A crash cart
- B. IP KVM
- C. RDP
- D. VNC
- E. SSH
Answer: C
Explanation:
Reference:
https://phoenixnap.com/blog/what-is-bare-metal-server
NEW QUESTION # 77
A systems administrator deployed a new web proxy server onto the network. The proxy server has two interfaces: the first is connected to an internal corporate firewall, and the second is connected to an internet-facing firewall. Many users at the company are reporting they are unable to access the Internet since the new proxy was introduced. Analyze the network diagram and the proxy server's host routing table to resolve the Internet connectivity issues.
INSTRUCTIONS
Perform the following steps:
1. Click on the proxy server to display its routing table.
2. Modify the appropriate route entries to resolve the Internet connectivity issue.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
NEW QUESTION # 78
A server administrator mounted a new hard disk on a Linux system with a mount point of
/newdisk. It was later determined that users were unable to create directories or files on the new mount point. Which of the following commands would successfully mount the drive with the required parameters?
- A. mount -o remount, rw /newdisk
- B. echo /newdisk >> /etc/fstab
- C. mount -a
- D. net use /newdisk
Answer: A
NEW QUESTION # 79
Which of me following is the BEST action to perform before applying patches to one of the hosts in a high availability cluster?
- A. Set the cluster to active-active.
- B. Disable the heartbeat network.
- C. Failover all VMs.
- D. Fallback cluster services.
Answer: C
NEW QUESTION # 80
A DHCP server is configured to issue IP addresses. Client machines have successfully obtained an IP address. However, when testing, users are unable to browse the Internet. Which of the following might be the MOST likely cause?
- A. The client machines are not members of the domain.
- B. DNS configuration on the DHCP server is missing.
- C. The DHCP server is unable to communicate with the DNS server.
- D. The DHCP server ran out of IP addresses.
Answer: B
NEW QUESTION # 81
Which of the following script types uses commands That start with sec-?
- A. Batch
- B. Bash
- C. PowerShell
- D. JavaScript
Answer: C
Explanation:
PowerShell is a scripting language and a command-line shell that uses commands that start with sec- to perform security-related tasks. For example, sec-edit is a command that edits security policies, sec-logon is a command that manages logon sessions, and sec-policy is a command that applies security templates. Verified Reference: [PowerShell security commands], [Security policy]
NEW QUESTION # 82
The HIDS logs on a server indicate a significant number of unauthorized access attempts via USB devices at startup. Which of the following steps should a server administrator take to BEST secure the server without limiting functionality?
- A. Change the boot order on the server and restrict console access.
C Configure the host OS to deny login attempts via USB. - B. Disable all the USB ports on the server.
- C. Set a BIOS/UEFI password on the server.
Answer: A
Explanation:
Changing the boot order on the server and restricting console access would prevent unauthorized access attempts via USB devices at startup, as the server would not boot from any external media and only authorized users could access the console. Setting a BIOS/UEFI password on the server would also help, but it could be bypassed by resetting the CMOS battery or using a backdoor password. Configuring the host OS to deny login attempts via USB would not prevent booting from a malicious USB device that could compromise the system before the OS loads. Disabling all the USB ports on the server would limit functionality, as some peripherals or devices may need to use them. Reference:
https://www.pcmag.com/how-to/dont-plug-it-in-how-to-prevent-a-usb-attack
https://www.techopedia.com/definition/10362/boot-order
https://www.techopedia.com/definition/10361/console-access
https://www.techopedia.com/definition/102/bios-password
https://www.techopedia.com/definition/10363/cmos-battery
NEW QUESTION # 83
An administrator is investigating a physical server mat will not Boot into the OS. The server has three hard drives configured in a RAID 5 array. The server passes POST, out the OS does not load. The administrator verities the CPU and RAM are Doth seated correctly and checks the dual power supplies. The administrator then verifies all the BIOS settings are correct and connects a bootable USB drive in the server, and the OS loads correctly. Which of the following is causing the issue?
- A. The CPU has failed.
- B. There are mismatched RAM modules.
- C. RAID 5 requires four drives
- D. The page file is too small.
- E. There are multiple failed hard drives.
Answer: E
NEW QUESTION # 84
An administrator is configuring a server that will host a high-performance financial application. Which of the following disk types will serve this purpose?
- A. SAS drive with 10000rpm
- B. SAS SSD
- C. SATA drive with 15000rpm
- D. SATA SSD
Answer: B
Explanation:
The best disk type for a high-performance financial application is a SAS SSD. A SAS SSD (Serial Attached SCSI Solid State Drive) is a type of storage device that uses flash memory chips to store data and has a SAS interface to connect to a server or a storage array. A SAS SSD offers high speed, low latency, high reliability, and high durability compared to other types of disks, such as SATA SSDs, SAS HDDs, or SATA HDDs. A SAS SSD can handle high I/O workloads and deliver consistent performance for applications that require fast data access and processing.
Reference:
https://www.hp.com/us-en/shop/tech-takes/sas-vs-sata
NEW QUESTION # 85
A technician is checking a server rack. Upon entering the room, the technician notices the tans on a particular server in the rack are running at high speeds. This is the only server in the rack that is experiencing this behavior. The ambient temperature in the room appears to be normal. Which of the following is the MOST likely reason why the fans in that server are operating at full speed?
- A. The server is In the process of shutting down, so fan speed operations have been defaulted to high.
- B. A fan failure has occurred, and the other fans have increased speed to compensate.
- C. The server is utilizing more memory than the other servers, so it has increased the fans to compensate.
- D. An incorrect fan size was inserted into the server, and the server has had to Increase the fan speed to compensate.
Answer: B
NEW QUESTION # 86
An administrator discovers a misconfiguration that impacts all servers but can be easily corrected. The administrator has a list of affected servers and a script to correct the issue. Which of the following scripting principles should the administrator use to cycle through the list of servers to deliver the needed change?
- A. Constant
- B. Linked list
- C. Loop
- D. String
Answer: C
Explanation:
Explanation
A loop is a programming construct that allows a block of code to be executed repeatedly until a certain condition is met1. A loop can be used to cycle through a list of servers and run a script on each one of them.
For example, in Python, a loop can be written as:
Python
This code is AI-generated. Review and use carefully. Visit our FAQ for more information.
Copy
# Assume servers is a list of server names
for server in servers:
# Run the script on the server
run_script(server)
A loop can help automate the task of correcting the misconfiguration on all servers, saving time and effort.
NEW QUESTION # 87
A user has been unable to authenticate to the company's external, web-based database after clicking a link in an email that required the user to change the account password. Which of the following steps should the company take next?
- A. Ask the user to use the link again to reset the password.
- B. Disable the user's account and inform the security team.
- C. Create a new log-in to the external database.
- D. Reset the user's password and ask the user to log in again.
Answer: B
Explanation:
Explanation
The user has likely fallen victim to a phishing scam, which is a fraudulent attempt to obtain sensitive information, such as passwords, by disguising as a legitimate entity. The link in the email that required the user to change the account password was probably a fake website that mimicked the company's external database, and captured the user's credentials when they entered them. This could compromise the security and integrity of the company's data, as well as the user's identity and privacy12.
The company should take immediate action to prevent further damage and investigate the incident. The first step is to disable the user's account and inform the security team. Disabling the user's account can prevent unauthorized access to the external database by the attackers, who may use the stolen credentials to log in and manipulate or steal data. Informing the security team can alert them of the breach and allow them to take appropriate measures, such as scanning for malware, changing passwords, notifying other users, and reporting the incident34.
NEW QUESTION # 88
A company's IDS has identified outbound traffic from one of the web servers coming over port 389 to an outside address. This server only hosts websites. The company's SOC administrator has asked a technician to harden this server. Which of the following would be the BEST way to complete this request?
- A. Disable port 389 on the server
- B. Move traffic from port 389 to port 443
- C. Move traffic from port 389 to port 637
- D. Enable port 389 for web traffic
Answer: C
Explanation:
Reference:
https://www.auditmypc.com/tcp-port-637.asp
https://docs.microsoft.com/en-us/answers/QUESTION NO:s/66908/is-port-389-on-ad-in-anyway-used-or-required- when.html
NEW QUESTION # 89
After identifying a problem, but before applying a system change, which of the following is the MOST important task that needs to be completed?
- A. Establish a theory of probable cause.
- B. Collect log data.
- C. Perform a system backup.
- D. Question the users/stakeholders.
Answer: A
NEW QUESTION # 90
A server administrator is deploying a new server that has two hard drives on which to install the OS. Which of the following RAID configurations should be used to provide redundancy for the OS?
- A. RAID 6
- B. RAID 1
- C. RAID 0
- D. RAID 5
Answer: B
Explanation:
Explanation
RAID 1 (mirroring) is a RAID configuration that should be used to provide redundancy for the OS on a server that has two hard drives on which to install the OS. RAID 1 (mirroring) is a configuration that duplicates data across two or more drives. It provides fault tolerance and improves read performance, but reduces storage capacity by half. If one drive fails in RAID 1, the other drive can continue to operate without data loss or system downtime. RAID 0 (striping) is a configuration that splits data across two or more drives without parity or redundancy. It improves performance but offers no fault tolerance. If one drive fails in RAID 0, all data is lost and the system cannot boot. RAID 5 (striping with parity) is a configuration that stripes data across three or more drives with parity information. It provides fault tolerance and improves performance, but reduces storage capacity by one drive's worth of space. RAID 5 can tolerate one drive failure without data loss, but not two or more. RAID 6 (striping with double parity) is a configuration that stripes data across four or more drives with double parity information. It provides fault tolerance and improves performance, but reduces storage capacity by two drives' worth of space. RAID 6 can tolerate two drive failures without data loss, but not three or more. References:
https://www.howtogeek.com/199068/how-to-upgrade-your-existing-hard-drive-in-under-an-hour/
NEW QUESTION # 91
A technician needs to deploy an operating system that would optimize server resources. Which of the following server installation methods would BEST meet this requirement?
- A. Full
- B. Core
- C. Bare metal
- D. GUI
Answer: B
Explanation:
Reference:
https://docs.microsoft.com/en-us/windows-server/administration/performance-tuning/hardware/
NEW QUESTION # 92
A server administrator wants to check the open ports on a server. Which of the following commands should the administrator use to complete the task?
- A. nslookup
- B. netstat -a
- C. nbtstat
- D. telnet
Answer: B
Explanation:
netstat is a command-line tool that displays network connections, routing tables, interface statistics, and more. The -a option shows all listening and non-listening sockets on the server. This can help check the open ports on a server and identify any unwanted or malicious connections. Reference: https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/netstat
NEW QUESTION # 93
Users have noticed a server is performing below Baseline expectations. While diagnosing me server, an administrator discovers disk drive performance has degraded. The administrator checks the diagnostics on the RAID controller and sees the battery on me controller has gone bad. Which of the following is causing the poor performance on the RAID array?
- A. The controller cannot use all the available channels.
- B. The controller has disabled the write cache.
- C. The drive array is corrupt.
- D. The controller has lost its configuration.
Answer: B
Explanation:
Explanation
The write cache is a feature of some RAID controllers that allows them to temporarily store data in a fast memory buffer before writing it to the disk drives. This improves the performance and efficiency of write operations, especially for random and small writes. However, if the battery on the controller goes bad, the controller may disable the write cache to prevent data loss in case of a power failure. This can degrade the disk drive performance significantly, as every write operation will have to wait for the disk drives to complete.
References:
https://www.dell.com/support/kbdoc/en-us/000131486/understanding-raid-controller-battery-learn-cycle
https://www.techrepublic.com/article/understanding-raid-controller-write-cache/
NEW QUESTION # 94
A technician is installing a variety of servers in a rack. Which of the following is the BEST course of action for the technician to take while loading the rack?
- A. Leave 1U of space between each server
- B. Alternate the direction of the airflow
- C. Install the heaviest server at the bottom of the rack
- D. Place a UPS at the top of the rack
Answer: C
Explanation:
Explanation
The technician should install the heaviest server at the bottom of the rack to load the rack properly. Installing the heaviest server at the bottom of the rack helps to balance the weight distribution and prevent the rack from tipping over or collapsing. Installing the heaviest server at the bottom of the rack also makes it easier to access and service the server without lifting or moving it. Installing the heaviest server at any other position in the rack could create instability and safety hazards.
NEW QUESTION # 95
An administrator has been asked to verify that all traffic egressing from a company is secured.
The administrator confirms all the information that is sent over the network is encrypted. Which of the following describes the type of traffic being encrypted?
- A. Data in transit
- B. Secure FTP
- C. Off-site data
- D. Network encapsulation
Answer: A
NEW QUESTION # 96
A datacenter technician is attempting to troubleshoot a server that keeps crashing. The server runs normally for approximately five minutes, but then it crashes. After restoring the server to operation, the same cycle repeats. The technician confirms none of the configurations have changed, and the load on the server is steady from power-on until the crash. Which of the following will MOST likely resolve the issue?
- A. Restoring the server from the latest full backup
- B. Replacing the failing hard drive
- C. Reinstalling the heat sink with new thermal paste
- D. Reseating any expansion cards in the server
Answer: C
NEW QUESTION # 97
A server administrator has been creating new VMs one by one. The administrator notices the system requirements are very similar, even with different applications. Which of the following would help the administrator accomplish this task in the SHORTEST amount of time and meet the system requirements?
- A. Snapshot
- B. Template
- C. System Restore
- D. Deduplication
Answer: B
Explanation:
The method that would help the administrator accomplish the task of creating new VMs in the shortest amount of time and meet the system requirements is template. A template is a preconfigured virtual machine image that contains an operating system, applications, settings, and other components. A template can be used to create multiple identical or customized VMs quickly and easily, without having to install and configure each VM from scratch. A template can save time and ensure consistency across VMs.
NEW QUESTION # 98
A technician needs to set up a server backup method for some systems. The company's management team wants to have quick restores but minimize the amount of backup media required. Which of the following are the BEST backup methods to use to support the management's priorities? (Choose two.)
- A. Open file
- B. Full
- C. Archive
- D. Incremental
- E. Synthetic full
- F. Differential
Answer: D,F
Explanation:
Explanation
The best backup methods to use to support the management's priorities are differential and incremental. A backup is a process of copying data from a source to a destination for the purpose of restoring it in case of data loss or corruption. There are different types of backup methods that vary in terms of speed, efficiency, and storage requirements. Differential and incremental backups are two types of partial backups that only copy the data that has changed since the last full backup. A full backup is a type of backup that copies all the data from the source to the destination. A full backup provides the most complete and reliable restore option, but it also takes the longest time and requires the most storage space. A differential backup copies only the data that has changed since the last full backup. A differential backup provides a faster restore option than an incremental backup, but it also takes more time and requires more storage space than an incremental backup. An incremental backup copies only the data that has changed since the last backup, whether it was a full or an incremental backup. An incremental backup provides the fastest and most efficient backup option, but it also requires multiple backups to restore the data completely.
NEW QUESTION # 99
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