まもなく無料セール終了！リアルSK0-005のPDF解答で合格せよ [2025年03月19日]
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質問 # 140
Which of the following concepts refers to prioritizing a connection that had previously worked successfully?
- A. SCP
- B. Link aggregation
- C. MRU
- D. Round robin
正解：C
質問 # 141
A company is building a new datacenter next to a busy parking lot. Which of the following is the BEST strategy to ensure wayward vehicle traffic does not interfere with datacenter operations?
- A. Install bollards
- B. Install security cameras
- C. Install a mantrap
- D. Utilize security guards
正解：A
解説：
Explanation
The best strategy to ensure wayward vehicle traffic does not interfere with datacenter operations is to install bollards. Bollards are sturdy posts that are installed around a perimeter to prevent vehicles from entering or crashing into a protected area. Bollards can provide physical security and deterrence for datacenters that are located near busy roads or parking lots. Bollards can also prevent accidental damage or injury caused by vehicles that lose control or have faulty brakes.
質問 # 142
A server administrator needs to keep a copy of an important fileshare that can be used to restore the share as quickly as possible. Which of the following is the BEST solution?
- A. Create a snapshot of the fileshare
- B. Create an additional partition and move a copy of the fileshare
- C. Copy the fileshare to an LTO-4 tape drive
- D. Configure a new incremental backup job for the fileshare
正解：A
解説：
The best solution to keep a copy of an important fileshare that can be used to restore the share as quickly as possible is to create a snapshot of the fileshare. A snapshot is a point-in-time copy of a file system or a volume that captures the state and data of the fileshare at a specific moment. A snapshot can be created instantly and with minimal overhead, as it only stores the changes made to the fileshare after the snapshot was taken. A snapshot can be used to restore the fileshare to its previous state in case of data loss or corruption.
質問 # 143
A server administrator is using remote access to update a server. The administrator notices numerous error messages when using YUM to update the applications on a server. Which of the following should the administrator check FIRST?
- A. Network connectivity on the server
- B. YUM dependencies
- C. LVM status on the server
- D. Disk space in the /var directory
正解：D
解説：
The administrator should check disk space in the /var directory first when using YUM to update applications on a server. YUM stands for Yellowdog Updater Modified, which is a software package manager for Linux systems that use RPM (Red Hat Package Manager) packages. YUM downloads and installs packages from online repositories and resolves dependencies automatically. YUM stores its cache files in the /var/cache/yum directory by default. These cache files include metadata and package data for each repository that YUM uses. If there is not enough disk space in the /var directory, YUM may fail to update applications and generate error messages.
質問 # 144
A server administrator has received tickets from users who report the system runs very slowly and various unrelated messages pop up when they try to access an internet-facing web application using default ports. The administrator performs a scan to check for open ports and reviews the following report:
Starting Nmap 7.70 https://nmap.org) at 2019-09-19 14:30 UTC
Nmap scan report for www.abc.com (172.45.6.85)
Host is up (0.0021s latency)
Other addresses for www.abc.com (not scanned) : 4503 : F7b0 : 4293: 703: : 3209 RDNS record for 172.45.6.85: 1ga45s12-in-f1.2d100.net Port State Service
21/tcp filtered ftp
22/tcp filtered ssh
23/tcp filtered telnet
69/tcp open @username.com
80/tcp open http
110/tcp filtered pop
143/tcp filtered imap
443/tcp open https
1010/tcp open www.popup.com
3389/tcp filtered ms-abc-server
Which of the following actions should the server administrator perform on the server?
- A. Close ports 69 and 1010 and rerun the scan.
- B. Close ports 80 and 443 and rerun the scan.
- C. Close port 3389 and rerun the scan.
- D. Close all ports and rerun the scan.
正解：A
解説：
Port 69 is used for TFTP (Trivial File Transfer Protocol), which is an insecure and unencrypted protocol for file transfer. Port 1010 is used for a malicious website that generates pop-up ads. Both of these ports are likely to be exploited by hackers or malware to compromise the server or the web application. The server administrator should close these ports and rerun the scan to verify that they are no longer open12.
References = 1: Why Are Some Network Ports Risky, And How Do You Secure Them? - How-To Geek(https://www.howtogeek.com/devops/why-are-some-ports-risky-and-how-do-you-secure-them/) 2:
Switchport Port Security Explained With Examples -
ComputerNetworkingNotes(https://www.computernetworkingnotes.com/ccna-study-guide/switchport-port-secur
質問 # 145
A company wants to deploy software to all users, Out very few of men will be using the software at any one point in time. Which of the following licensing models would be BEST for the company?
- A. Per site
- B. Per concurrent user
- C. Per instance
- D. Per core
正解：B
質問 # 146
Users report that the FinanceApp software is not running, and they need immediate access. Issues with the FinanceApp software occur every week after the IT team completes server system updates. The users, however, do not want to contact the help desk every time the issue occurs. The users also report the new MarketApp software is not usable when it crashes, which can cause significant downtime. The technician who restarted the MarketApp software noticed it is running under a test account, which is a likely cause of the crashes.
INSTRUCTIONS
Using the Services menu provided, modify the appropriate application services to remedy the stated issues.
正解：
解説：
FinanceApp software is running as a service named "FinanceApp Service". The service description says "Provides financial data and calculations for the FinanceApp software". The service status is "Stopped", which means that the service is not running and the software is not functional. The service startup type is "Manual", which means that the service needs to be started manually by the user or the administrator. The service log on as is "Local System", which means that the service runs under a predefined local account that has extensive privileges on the local computer.
To fix the issue with the FinanceApp software, you need to do two things:
First, you need to start the service, so that the software can run. To do this, you can right-click on the service name and select "Start" from the menu. Alternatively, you can select the service name and click on the "Start" button on the toolbar. You should see a message saying that the service has started successfully.
Second, you need to change the service startup type, so that the service can start automatically every time the server boots up. This way, you don't have to contact the help desk every time the issue occurs. To do this, you can right-click on the service name and select "Properties" from the menu. Alternatively, you can select the service name and click on the "Properties" button on the toolbar. You should see a window with several tabs and options. On the "General" tab, under "Startup type", you can select "Automatic" from the drop-down list. Then, click on "OK" to save your changes.
By doing these two steps, you should be able to use the FinanceApp software without any problems.
The MarketApp software is running as a service named "MarketApp Service". The service description says "Provides market data and analysis for the MarketApp software". The service status is "Running", which means that the service is running and the software is functional. However, as you reported, the software may crash sometimes, which can cause significant downtime. The service startup type is "Automatic", which means that the service starts automatically every time the server boots up. The service log on as is "TestAccount", which is a test account that was probably used for development or testing purposes.
To fix the issue with the MarketApp software, you need to do one thing:
You need to change the service log on as, so that the service runs under a proper account that has sufficient permissions and security settings for production use. To do this, you can right-click on the service name and select "Properties" from the menu. Alternatively, you can select the service name and click on the "Properties" button on the toolbar. You should see a window with several tabs and options. On the "Log On" tab, under "Log on as", you can select either "Local System account" or "This account". If you choose "Local System account", then the service will run under a predefined local account that has extensive privileges on the local computer. If you choose "This account", then you will need to enter a valid username and password for an account that has appropriate permissions and security settings for running the service. You may need to consult with your IT team or your software vendor to determine which option is best for your situation. Then, click on "OK" to save your changes.
質問 # 147
A server administrator receives the following output when trying to ping a local host:
Which of the following is MOST likely the issue?
- A. DHCP
- B. DNS
- C. Firewall
- D. VLAN
正解：C
解説：
A firewall is a network device or software that filters and controls the incoming and outgoing traffic based on predefined rules. A firewall can block or allow certain types of packets, ports, protocols, or IP addresses. The output of the ping command shows that the local host is unreachable, which means that there is no network connectivity between the source and the destination. This could be caused by a firewall that is blocking the ICMP (Internet Control Message Protocol) packets that ping uses to test the connectivity. References:
https://www.comptia.org/training/resources/exam-objectives/comptia-server-sk0-005-exam-objectives (Objective 2.2)
質問 # 148
A recent power Outage caused email services to go down. A sever administrator also received alerts from the datacenter's UPS.
After some investigation, the server administrator learned that each POU was rated at a maximum Of 12A.
INSTRUCTIONS
Ensure power redundancy is implemented throughout each rack and UPS alarms are resolved. Ensure the maximum potential PDU consumption does not exceed 80% or 9.6A).
a. PDU selections must be changed using the pencil icon.
b. VM Hosts 1 and 2 and Mail Relay can be moved between racks.
c. Certain devices contain additional details
正解：
解説：
質問 # 149
Which of the following security risks provides unauthorized access to an application?
- A. Backdoor
- B. Social engineering
- C. Insider threat
- D. Data corruption
正解：A
解説：
Explanation
A backdoor is a security risk that provides unauthorized access to an application. A backdoor is a hidden or undocumented way of bypassing the normal authentication or encryption mechanisms of an application, allowing an attacker to gain remote access, execute commands, or steal data. A backdoor can be created intentionally by the developer, maliciously by an attacker, or unintentionally by a programming error. References: CompTIA Server+ Certification Exam Objectives, Domain 5.0: Security, Objective 5.2:
Given a scenario, apply logical access control methods.
質問 # 150
A company stores extremely sensitive data on an alt-gapped system. Which of the following can Be Implemented to increase security against a potential insider threat?
- A. Faraday cage
- B. SSO
- C. SIEM
- D. MFA
- E. Two-person Integrity
正解：E
解説：
Two-person integrity is a security measure that can be implemented to increase security against a potential insider threat on an air-gapped system. An air-gapped system is a system that is isolated from any network connection and can only be accessed physically. An insider threat is a malicious actor who has authorized access to an organization's system or data and uses it for unauthorized or harmful purposes. Two-person integrity is a system of storage and handling that requires the presence of at least two authorized persons, each capable of detecting incorrect or unauthorized security procedures, for accessing certain sensitive data or material. This way, no single person can compromise the security or integrity of the data or material without being noticed by another person. SSO (Single Sign-On) is a feature that allows users to access multiple applications or systems with one set of credentials, but it does not prevent insider threats. SIEM (Security Information and Event Management) is a tool that collects and analyzes log data from various sources to detect and respond to security incidents, but it does not work on air-gapped systems. A Faraday cage is a structure that blocks electromagnetic signals from entering or leaving, but it does not prevent physical access or insider threats. MFA (Multi-Factor Authentication) is a method that requires users to provide two or more pieces of evidence to verify their identity, such as something they know, something they have, or something they are, but it does not prevent insider threats. References:
https://www.howtogeek.com/169080/air-gap-how-to-isolate-a-computer-to-protect-it-from-hackers/
https://www.howtogeek.com/428483/what-is-end-to-end-encryption-and-why-does-it-matter/
https://www.howtogeek.com/202794/what-is-the-difference-between-127.0.0.1-and-0.0.0.0/
https://www.howtogeek.com/443611/how-to-encrypt-your-macs-system-drive-removable-devices-and-individua
質問 # 151
An administrator is setting up a new server and has been asked to install an operating system that does not have a GUI because the server has limited resources. Which of the following installation options should the administrator use?
- A. Virtualized
- B. Bare metal
- C. Slipstreamed
- D. Headless
正解：D
解説：
A headless installation is an installation method that does not require a graphical user interface (GUI) or a monitor, keyboard, and mouse. It can be done remotely through a network connection or a command-line interface. A headless installation is suitable for a server that has limited resources and does not need a GUI.
References:
CompTIA Server+ Certification Exam Objectives1, page 14
Server Management: Server Hardware Installation and Management2, Module 2, Lesson 5
質問 # 152
An administrator is only able to log on to a server with a local account. The server has been successfully joined to the domain and can ping other servers by IP address. Which of the following locally defined settings is MOST likely misconfigured?
- A. TCP
- B. DHCP
- C. DNS
- D. WINS
正解：C
解説：
Explanation
This is the most likely misconfigured setting because DNS is the service that resolves hostnames to IP addresses and vice versa. If the DNS server is incorrect or unreachable, the administrator will not be able to log on to the server with a domain account because the server will not be able to authenticate with the domain controller. References:
https://docs.microsoft.com/en-us/troubleshoot/windows-server/networking/dns-troubleshooting
質問 # 153
A server administrator is configuring a new server that will hold large amounts of information. The server will need to be accessed by multiple users at the same time. Which of the following server roles will the administrator MOST likely need to install?
- A. Application
- B. Database
- C. Messaging
- D. Print
正解：B
解説：
Explanation
Few people are expected to use the database at the same time and users don't need to customize the design of the database.
質問 # 154
A new 40GB NIC has just been installed in a server but is not detected within the Windows server OS. Which of the following would most likely fix the issue?
- A. Update the firmware on the NIC.
- B. Update the switch firmware.
- C. Update the server OS.
- D. Update the remote management console.
正解：A
解説：
Updating the firmware on the NIC is the most likely solution to fix the issue of a new 40GB NIC not being detected within the Windows server OS. Firmware is a software program that controls the functionality of a hardware device, such as a NIC (network interface card). A NIC is a device that enables network communication for a server by providing an interface between the server and the network cable or wireless connection. Updating the firmware on the NIC can improve its performance, compatibility, and stability with the server OS and network protocols. Reference: CompTIA Server+ Certification Exam Objectives, Domain 4.0: Networking, Objective 4.1: Given a scenario, configure network settings for servers.
質問 # 155
A technician is tasked with upgrading 24 hosts simultaneously with a Type 1 hypervisor. Which of the following protocols should the technician use for this upgrade?
- A. TFTP
- B. VPN
- C. SSH
- D. HTTP
正解：A
解説：
TFTP (Trivial File Transfer Protocol) is a simple and lightweight protocol that can be used to transfer files over a network. TFTP is often used to upgrade firmware or software on network devices, such as routers, switches, or servers. TFTP can also be used to install a Type 1 hypervisor, such as VMware ESXi, on multiple hosts simultaneously12.
References = 1: How to Install VMware ESXi Type 1 Hypervisor -
MatthewEaton.net(https://mattheweaton.net/posts/how-to-install-vmware-esxi-type-1-hypervisor/) 2: Explore Type 1 Hypervisors - Set Up Virtual Machines Using VirtualBox and vSphere - OpenClassrooms(https://openclassrooms.com/en/courses/7163136-set-up-virtual-machines-using-virtualbox-and
質問 # 156
A server administrator needs to replace a 4U rack-mounted device. Which of the following is the BEST way to install the device to ensure proper safety measures?
- A. Lift with the arms while bending the knees.
- B. Use a server lift. Most Voted
- C. Lift the device with the help of another administrator.
- D. Use a rolling cart.
正解：B
解説：
A piece of console furniture called a "crash cart" refers to a mobile server room cart equipped with a secured laptop that is used to provide a direct connection to malfunctioning servers and computers for restoration of crashes. - Not the answer.
4U would require at least 4 admin so not the answer....
Server lifts are used to raise equipment to installation level in a frame (cabinet or rack) or to remove equipment from a frame. Server lifts should only be used on level floors strong enough to support lift and load... Using a lift may be slower than maneuvering by hand; but if worker or equipment safety (usually because of weight) is a factor; using a lift is required.
https://www.idmworks.com/industry-analysis/data-center-server-lift/
質問 # 157
A technician needs to install a Type 1 hypervisor on a server. The server has SD card slots, a SAS controller, and a SATA controller, and it is attached to a NAS. On which of the following drive types should the technician install the hypervisor?
- A. SAS drive
- B. SD card
- C. SATA drive
- D. NAS drive
正解：A
解説：
The technician should install the Type 1 hypervisor on a SAS drive. A Type 1 hypervisor is a layer of software that runs directly on top of the physical hardware and creates virtual machines that share the hardware resources. A Type 1 hypervisor requires fast and reliable storage for optimal performance and stability. A SAS drive is a type of hard disk drive that uses Serial Attached SCSI (SAS) as its interface protocol. SAS drives offer high speed, low latency, and high reliability compared to other types of drives, such as SD cards, NAS drives, or SATA drives. SD cards are flash memory cards that offer low cost and portability but have low speed, low capacity, and low durability. NAS drives are network-attached storage devices that offer high capacity and easy access but have high latency and low reliability due to network dependency. SATA drives are hard disk drives that use Serial ATA (SATA) as their interface protocol. SATA drives offer moderate speed, moderate cost, and moderate reliability but have lower performance and durability than SAS drives.
質問 # 158
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:
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
- F. 5
正解：A
解説：
The administrator should only allow secure traffic and DNS inquiries on the server, which means that only ports 22, 53, and 443 should be open. Port 22 is used for SSH (Secure Shell), which is a protocol that allows secure remote login and command execution over a network connection using a command-line interface (CLI). Port 53 is used for DNS (Domain Name System), which is a service that translates domain names into IP addresses and vice versa. Port 443 is used for HTTPS (Hypertext Transfer Protocol Secure), which is a secure version of HTTP that encrypts the data exchanged between a web browser and a web server.
質問 # 159
A technician is attempting to log in to a Linux server as root but cannot remember the administrator password.
Which of the following is the LEAST destructive method of resetting the administrator password?
- A. Reinstall the OS in overlay mode. Reset the root password from the install GUI screen.
- B. Boot using a Linux live CD and mount the hard disk to /mnt. SCP the /etc directory from a known accessible server to /mnt/etc.
- C. Adjust the GRUB boot parameters to boot into single-user mode. Run passwd from the command prompt.
- D. Boot using a Linux live CD and mount the hard disk to /mnt. Change to the /mnt/etc directory. Edit the passwd file found in that directory.
正解：C
解説：
Explanation
This is the least destructive method of resetting the administrator password because it does not require modifying any files or reinstalling the OS. It only requires changing the boot parameters temporarily and running a command to change the password.References:https://wiki.archlinux.org/title/Reset_lost_root_password#Using_GRUB
質問 # 160
Which of the following licenses would MOST likely include vendor assistance?
- A. Open-source
- B. Version compatibility
- C. Subscription
- D. Maintenance and support
正解：D
解説：
Maintenance and support is a type of license that would most likely include vendor assistance. Maintenance and support is a contract that defines the level and scope of service and assistance that a vendor provides to a customer for using their software product. Maintenance and support may include technical support, bug fixes, patches, updates, upgrades, documentation, training, and other benefits. Maintenance and support licenses usually have an annual fee based on the number of users or devices covered by the contract. Open-source is a type of license that allows free access to the source code and modification and distribution of the software product, but does not guarantee vendor assistance. Version compatibility is not a type of license, but a feature that ensures software products can work with different versions of operating systems or other software products. Subscription is a type of license that allows access to software products for a limited period of time based on recurring payments, but does not necessarily include vendor assistance. Reference: https://www.techopedia.com/definition/1440/software-licensing https://www.techopedia.com/definition/1032/business-impact-analysis-bia
質問 # 161
An organization recently experienced power outages. The administrator noticed the server did not have enough time to shut down properly. After the outages, the administrator had additional batteries installed in the UPS.
Which of the following best describes the solution the administrator implemented?
- A. The solution increased power out.
- B. The solution extended runtime.
- C. The solution improved load balancing,
- D. The solution reduced shutdown time.
正解：B
解説：
Explanation
The solution the administrator implemented extended runtime. Runtime is the amount of time that a UPS can provide backup power to a server in case of a power outage. By installing additional batteries in the UPS, the administrator increased the capacity and duration of the backup power, allowing the server more time to shut down properly.
References: CompTIA Server+ SK0-005 Certification Study Guide, Chapter 1, Lesson 1.4, Objective 1.4
質問 # 162
Users at a company work with highly sensitive dat
a. The security department implemented an administrative and technical control to enforce least-privilege access assigned to files. However, the security department has discovered unauthorized data exfiltration. Which of the following is the BEST way to protect the data from leaking?
- A. Utilize privacy screens.
- B. Install a DLP solution.
- C. Implement disk quotas.
- D. Enforce the lock-screen feature.
正解：B
解説：
Components of a Data Loss Solution
Reference:
The best way to protect the data from leaking is to install a DLP solution. A DLP (Data Loss Prevention) solution is a software that helps businesses prevent confidential data from being leaked or stolen by unauthorized parties. A DLP solution can identify, monitor, and protect data as it moves across networks and devices, such as endpoints, email, web, cloud applications, or removable media. A DLP solution can also enforce security policies based on content and context for data in use, in motion, and at rest. A DLP solution can detect and prevent data breaches by using various techniques, such as content inspection, contextual analysis, encryption, blocking, alerting, warning, quarantining, or other remediation actions.
質問 # 163
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Comptia Server+認定試験は、サーバー管理、ネットワーク管理、システム管理、およびデータセンターの操作で働くITの専門家に最適です。また、キャリアを前進させ、収益の可能性を高めたい人にとっても有益です。この認定を取得することにより、専門家はサーバーテクノロジーの専門知識を実証することができ、新しい雇用機会とキャリアパスを開くことができます。
CompTIA SK0-005 認定試験は、サーバー管理に関連する幅広いトピックをカバーする包括的な試験です。この試験には、サーバーハードウェア、サーバーソフトウェア、サーバーストレージ、サーバーセキュリティ、およびサーバーネットワーキングに関する質問が含まれています。この認定試験に合格したプロフェッショナルは、サーバー管理について深い理解を示し、複雑なサーバー環境を管理する能力を持っていることを証明します。
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