SK0-005 practice questions 21–30

1. Question 21 · 371 in bank

   Which of the following is the BEST action to perform before applying patches to one of the hosts in a high availability cluster?

   • ADisable the heartbeat network.
   • BFallback cluster services.
   • CSet the cluster to active-active.
   • DFailover all VMs.

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   Answer: D

   Explanation

   D. Failover all VMs This ensures that the VMs remain operational and accessible while the host system is being updated, minimizing downtime and maintaining the availability of services. Why? Maintains Service Availability: By failing over VMs to another host, critical services and applications continue to run without interruption. Minimizes Risk: Moving VMs away from the host being patched reduces the risk of service disruption if unexpected issues arise during the patching process. Failing over all VMs to another host within the cluster is a direct and effective way to ensure that services remain available and uninterrupted during the maintenance process, adhering to best practices for managing high availability environments.

   Source: Adapted from community discussion — surfuganda

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2. Question 22 · 371 in bank

   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?

   • ARAID 0
   • BRAID 1
   • CRAID 5
   • DRAID 6

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   Answer: B

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3. Question 23 · 371 in bank

   A systems administrator has been alerted to a zero-day vulnerability that is impacting a service enabled on a server OS. Which of the following would work BEST to limit an attacker from exploiting this vulnerability?

   • AInstalling the latest patches
   • BClosing open ports
   • CEnabling antivirus protection
   • DEnabling a NIDS

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   Answer: B

   Explanation

   But is not NIDS a "detection" system? The questions asks what is best to limit an attacker from exploiting the vulnerability, whereas a NIDS will simply tell you once it happened. In this case, answer B would be it (Assuming they are closing the specific ports utilized in the zero-day). A&C obviously are no good against zero-day.

   Source: Adapted from community discussion — Obi_Wan_Jacoby

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4. Question 24 · 371 in bank

   A technician is checking a server rack. Upon entering the room, the technician notices the fans 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?

   • AThe server is in the process of shutting down, so fan speed operations have been defaulted to high.
   • BAn incorrect fan size was inserted into the server, and the server has had to increase the fan speed to compensate.
   • CA fan failure has occurred, and the other fans have increased speed to compensate.
   • DThe server is utilizing more memory than the other servers, so it has increased the fans to compensate.

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   Answer: C

   Explanation

   C. A fan failure is the MOST likely reason why the fans in that server are operating at full speed while the other servers in the rack are operating normally. When a fan fails, the other fans in the server have to work harder to compensate for the loss of airflow. This increased workload causes the remaining fans to run at a higher speed than normal to maintain adequate cooling for the server components. Option A is incorrect because the fan speed is not dependent on the server shutting down. Option B is unlikely because the server would not be designed to increase the fan speed to compensate for an incorrect fan size. Option D is also unlikely because fan speed is not dependent on the memory usage of the server.

   Source: Adapted from community discussion — gingasaurusrex

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5. Question 25 · 371 in bank

   A server administrator is installing an OS on a new server. Company policy states no one is to log in directly to the server. Which of the following installation methods is BEST suited to meet the company policy?

   • AGUI
   • BCore
   • CVirtualized
   • DClone

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   Answer: B

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6. Question 26 · 371 in bank

   Which of the following licenses would MOST likely include vendor assistance?

   • AOpen-source
   • BVersion compatibility
   • CSubscription
   • DMaintenance and support

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   Answer: C

   Explanation

   Maintenance and Support Plans It is important not to confuse the licensing and maintenance concepts. Just because you have the legal right to use a piece of software or install an OS does not necessarily entitle you to vendor support for the product. Some licensing models may include support. Subscription license models are an example. Support plans are covered later in the book. The Official CompTIA Server+ Study Guide (Exam SK0-005) page 22.

   Source: Adapted from community discussion — Pongsathorn

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7. Question 27 · 371 in bank

   A company wants to deploy software to all users, but very few of them will be using the software at any one point in time. Which of the following licensing models would be BEST for the company?

   • APer site
   • BPer concurrent user
   • CPer core
   • DPer instance

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   Answer: B

   Explanation

   Per-concurrent-user—one license for each software instance in use by a user. This is typically less expensive than per-seat licensing. If your organization has ten of these licenses, and there are twenty copies of the software installed, then only ten users may use the software simultaneously. The Official CompTIA Server+ Study Guide (Exam SK0-005) page 23.

   Source: Adapted from community discussion — Pongsathorn

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8. Question 28 · 371 in bank

   A technician is setting up a physical server that will be used to store sensitive data. The technician plans to set up the internal hard drives in a RAID 5 array for redundancy. Which of the following would be the BEST type of interface for the technician to use?

   • ASAS
   • BUSB
   • CSD
   • DeSATA

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   Answer: A

   Explanation

   A. SAS (Serial Attached SCSI) would be the BEST type of interface for the technician to use for setting up a RAID 5 array for storing sensitive data on a physical server. SAS provides higher performance, reliability, and data transfer rates compared to other interface types such as USB, SD, or eSATA. Additionally, SAS has advanced features like dual-porting, which provides redundancy and multipathing capabilities for improved reliability and availability of data. Therefore, SAS is a popular choice for enterprise-level storage applications that require high-performance and reliable storage solutions.

   Source: Adapted from community discussion — gingasaurusrex

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9. Question 29 · 371 in bank

   A technician is working on a Linux server. The customer has reported that files in the home directory are missing. The /etc/fstab file has the following entry: nfsserver:/home /home nfs defaults 0 0 However, a df -h /home command returns the following information: /dev/sda2 10G 1G 9G 10% /home Which of the following should the technician attempt FIRST to resolve the issue?

   • Amkdir /home
   • Bumount nfsserver:/home
   • Crmdir nfsserver:/home/dev/sda2
   • Dmount /home

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   Answer: B

   Explanation

   B. Mount the NFS share using the mount command. This option means using the command-line tool to connect the remote NFS share to the local mount point. Mounting the NFS share can resolve the issue, as it can restore access to the files in the home directory that are stored on the NFS server. Mounting the NFS share can also verify that the NFS client package is installed and configured correctly on the Linux server.

   Source: Adapted from community discussion — MrS

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10. Question 30 · 371 in bank

    A systems administrator is preparing to install two servers in a single rack. The administrator is concerned that having both servers in one rack will increase the chance of power issues due to the increased load. Which of the following should the administrator implement FIRST to address the issue?

    • ASeparate circuits
    • BAn uninterruptible power supply
    • CIncreased PDU capacity
    • DRedundant power supplies

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    Answer: A

    Explanation

    Is C correct? This question is worded so poorly. I copied the passage from Chapter 2: Server Hardware in the CompTIA Server+ Certification All-in-One Exam Guide, Second Edition by Daniel Lachance “Power distribution units (PDUs) provide power outlets to racks in server rooms and data centers. To eliminate a single point of failure, redundant PDUs should be plugged into separate circuits. To extend this point, redundant server power supplies should each plug into separate PDUs. Data centers normally have alternate sources or providers of power, such as diesel generators, in the case of a power outage. Because many different types of items can draw power from PDUs, you should check your PDU’s rating to ensure that your equipment doesn’t draw more power than the PDU’s load capacity can accommodate.”

    Source: Adapted from community discussion — Atemius

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SK0-005 practice, question 21. 371 questions available.