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Home CompTIA SK0-005

CompTIA SK0-005 Exam Practice Questions (P. 3)

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Question #21
Which of the following will correctly map a script to a home directory for a user based on username?
  1. A
    \\server\users$\username
  2. B
    \\server\%username%
  3. C
    \\server\FirstInitialLastName
  4. D
    \\server\$username$

Correct Answer:
B
Reference:
https://social.technet.microsoft.com/Forums/windows/en-US/07cfcb73-796d-48aa-96a9-08280a1ef25a/mapping-home-directory-with-username-variable? forum=w7itprogeneral

Question #22
A server that recently received hardware upgrades has begun to experience random BSOD conditions. Which of the following are likely causes of the issue?
(Choose two.)
  1. A
    Faulty memory
  2. B
    Data partition error
  3. C
    Incorrectly seated memory
  4. D
    Incompatible disk speed
  5. E
    Uninitialized disk
  6. F
    Overallocated memory

Correct Answer:
AC
chatbot-img GPT-4o - Answer
Faulty or incorrectly seated memory can often cause blue screens of death (BSOD) following hardware upgrades. This issue often arises when the RAM isn’t properly installed, or if there's a hardware defect in the memory modules, potentially overlooked during the upgrade process. Always check that the memory is correctly installed and troubleshoot faulty units if BSOD persists.

Question #23
A server administrator has configured a web server. Which of the following does the administrator need to install to make the website trusted?
  1. A
    PKI
  2. B
    SSL
  3. C
    LDAP
  4. D
    DNS

Correct Answer:
A
Reference:
https://www.csoonline.com/article/3400836/what-is-pki-and-how-it-secures-just-about-everything-online.html

Question #24
A technician is attempting to update a server's firmware. After inserting the media for the firmware and restarting the server, the machine starts normally into the
OS. Which of the following should the technician do NEXT to install the firmware?
  1. A
    Press F8 to enter safe mode
  2. B
    Boot from the media
  3. C
    Enable HIDS on the server
  4. D
    Log in with an administrative account

Correct Answer:
B
chatbot-img GPT-4o - Answer
To successfully install firmware updates, it's essential that the server boots from the update media itself, not just the regular operating system. This typically requires altering the boot order settings or manually selecting the boot device during startup, often accessed through a function key like F12 or similar. This ensures the server initiates the firmware update process directly from the media on which it's contained, rather than booting into its standard operating system. Booting directly from the media is a common practice for firmware installation, safeguarding the update is applied correctly and efficiently.

Question #25
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?
  1. A
    echo /newdisk >> /etc/fstab
  2. B
    net use /newdisk
  3. C
    mount ג€"o remount, rw /newdisk
  4. D
    mount ג€"a

Correct Answer:
C
Reference:
https://unix.stackexchange.com/questions/149399/how-to-remount-as-read-write-a-specific-mount-of-device

Question #26
Which of the following BEST describes the concept of right to downgrade?
  1. A
    It allows for the return of a new OS license if the newer OS is not compatible with the currently installed software and is returning to the previously used OS
  2. B
    It allows a server to run on fewer resources than what is outlined in the minimum requirements document without purchasing a license
  3. C
    It allows for a previous version of an OS to be deployed in a test environment for each current license that is purchased
  4. D
    It allows a previous version of an OS to be installed and covered by the same license as the newer version

Correct Answer:
B
chatbot-img GPT-4o - Answer
The concept of "right to downgrade" refers to having the capability, under the terms of a license, to use a previous version of an operating system without needing to purchase an additional license. This arrangement is especially beneficial in ensuring compatibility with older applications or systems until such time as these components can be updated to align with the newer version. The most precise explanation of this concept is found in option D. It’s essential to understand these licensing rights particularly when managing server environments to optimize both compliance and functionality.

Question #27
A server administrator needs to harden a server by only allowing secure traffic and DNS inquiries. A port scan reports the following ports are open:
443
636
Which of the following open ports should be closed to secure the server properly? (Choose two.)
  1. A
    21
  2. B
    22
  3. C
    23
  4. D
    53
  5. E
    443
  6. F
    636

Correct Answer:
CD
chatbot-img GPT-4o - Answer
To enhance server security by allowing only secure traffic while maintaining DNS inquiries, Port 23 (Telnet) and Port 53 (DNS) should indeed be considered for closure. Port 23 is inherently insecure as it transmits data, including credentials, unencrypted. However, the function of Port 53 can be superseded by utilizing secure alternatives such as DNS over HTTPS (DoH) on Port 443, which encrypts DNS queries, maintaining functionality while enhancing security. This approach aligns well with modern security practices where encryption is prioritized to safeguard data integrity and privacy.

Question #28
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?
  1. A
    nslookup
  2. B
    nbtstat
  3. C
    telnet
  4. D
    netstat -a

Correct Answer:
D
Reference:
https://linuxhint.com/netstat-a/

Question #29
Which of the following must a server administrator do to ensure data on the SAN is not compromised if it is leaked?
  1. A
    Encrypt the data that is leaving the SAN
  2. B
    Encrypt the data at rest
  3. C
    Encrypt the host servers
  4. D
    Encrypt all the network traffic

Correct Answer:
B
chatbot-img GPT-4o - Answer
If data on the SAN is leaked, encrypting it at rest (Option B) is a crucial security measure. This approach ensures that even if unauthorized parties access the data, they cannot read or utilize it without the encryption keys. This security control is especially important in environments where sensitive or regulated data is stored, providing a robust defense against potential data breaches.

Question #30
A server technician has been asked to upload a few files from the internal web server to the internal FTP server. The technician logs in to the web server using
PuTTY, but the connection to the FTP server fails. However, the FTP connection from the technician's workstation is suׁcessful. To troubleshoot the issue, the technician executes the following command on both the web server and the workstation: ping ftp.acme.local
The IP address in the command output is different on each machine. Which of the following is the MOST likely reason for the connection failure?
  1. A
    A misconfigured firewall
  2. B
    A misconfigured hosts.deny file
  3. C
    A misconfigured hosts file
  4. D
    A misconfigured hosts.allow file

Correct Answer:
D
chatbot-img GPT-4o - Answer
The correct answer hinges on recognizing that discrepancies in IP address results from the 'ping' command suggest an issue with local DNS resolution, often managed by the hosts file on individual systems. This file can override DNS settings and direct domain names to specific IP addresses, explaining why the 'ping' responses differed between the web server and the workstation. Misconfigured entries in the hosts file are the likely culprit for the FTP connection failure, as they would direct traffic to incorrect or unintended addresses.

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