SK0-005無料更新100%試験合格率保証 [2024]
[2024年08月] 認証されたCompTIA試験問題集でSK0-005試験学習ガイド
CompTIA SK0-005試験に合格するには、サーバーのハードウェアとソフトウェアについての堅固な理解力、トラブルシューティングと問題解決能力が必要です。また、サーバーの管理とセキュリティに関連する業界標準、ベストプラクティス、規制に精通している必要があります。
Comptia Server+で認定されるには、候補者はSK0-005試験に合格する必要があります。この試験は、90分以内に完了する必要がある90の複数選択とパフォーマンスベースの質問で構成されています。この試験は、サーバーの種類、インストールと構成、メンテナンス、トラブルシューティングと最適化、セキュリティ、災害復旧など、サーバー管理のさまざまな分野で候補者の知識とスキルをテストするように設計されています。
質問 # 193
A server administrator just installed a new physical server and needs to harden the applications on the server. Which of the following best describes a method of application hardening?
- A. Enable a BIOS password.
- B. Install the latest patches.
- C. Disable unneeded hardware.
- D. Set the boot order.
正解：B
解説：
A method of application hardening is installing the latest patches. Application hardening is a process of reducing the attack surface and vulnerabilities of an application by applying security measures and best practices. Installing the latest patches is one way to harden an application, as patches are updates that fix bugs, errors, or security issues in an application. By installing the latest patches, an application can be protected from known exploits or threats.
質問 # 194
The management team has mandated the encryption of all server administration traffic. Which of the following should MOST likely be implemented?
- A. SSH
- B. FTPS
- C. VPN
- D. SELinux
正解：A
解説：
Explanation
SSH stands for Secure Shell and it is a network protocol that provides encrypted and authenticated communication between two hosts. SSH can be used to remotely access and administer a server using a command-line interface or a graphical user interface. SSH can ensure the encryption of all server administration traffic, which can prevent eavesdropping, tampering, or spoofing by unauthorized parties.References:
https://www.comptia.org/training/resources/exam-objectives/comptia-server-sk0-005-exam-objectives (Objective 2.4)
質問 # 195
A backup application is copying only changed files each line it runs. During a restore, however, only a single file is used. Which of the following backup methods does this describe?
- A. Open file
- B. Full Incremental
- C. Full differential
- D. Synthetic full
正解：D
解説：
Explanation
A synthetic full backup is a backup method that describes copying only changed files each time it runs and using only a single file during a restore. A synthetic full backup is a backup approach that involves creating a new full backup by using the previous full backup and related incremental backups. This means that a backup solution does not have to transfer the full amount of data from the source machine and can synthetize the latest incremental backups with the last full backup to create a new full backup. This reduces the backup window and network bandwidth consumption. During a restore, only the latest synthetic full backup file is needed to recover the data. Open file backup is a backup method that allows backing up files that are in use or locked by applications. Full incremental backup is a backup method that involves performing a full backup first and then backing up only the changed files since the last backup. Full differential backup is a backup method that involves performing a full backup first and then backing up only the changed files since the last full backup.
References:
https://www.nakivo.com/blog/what-is-synthetic-backup/https://www.howtogeek.com/192115/what-you-need-to-
質問 # 196
An administrator gave Ann modify permissions to a shared folder called DATA, which is located on the company server. Other users need read access to the files in this folder. The current configuration is as follows:
The administrator has determined Ann cannot write anything to the DATA folder using the network. Which of the following would be the best practice to set up Ann's permissions correctly, exposing only the minimum rights required?
- A. Option B
- B. Option C
- C. Option A
- D. Option D
正解：D
質問 # 197
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. netstat -a
- B. nbtstat
- C. nslookup
- D. telnet
正解：A
解説：
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
質問 # 198
Which of the following cloud models is BEST described as running workloads on resources that are owned by the company and hosted in a company-owned data center, as well as on rented servers in another company's data center?
- A. Public
- B. Hybrid
- C. Community
- D. Private
正解：B
解説：
This is the best description of a hybrid cloud model because it combines both private and public cloud resources. A private cloud is a cloud environment that is owned and operated by a single organization and hosted in its own data center. A public cloud is a cloud environment that is owned and operated by a third-party provider and hosted in its data center. A hybrid cloud allows an organization to leverage both types of cloud resources depending on its needs and preferences. Reference: https://azure.microsoft.com/en-us/overview/what-is-hybrid-cloud-computing/
質問 # 199
An administrator discovers a Bash script file has the following permissions set in octal notation;
777
Which of the following is the MOST appropriate command to ensure only the root user can modify and execute the script?
- A. chmod u=rwx
- B. chmod g-rwx
- C. chmod go-rw>:
- D. chmod u+wx
正解：C
解説：
chmod is a command-line tool that changes the permissions of files and directories in Linux and Unix systems. chmod go-rwx means to remove read, write, and execute permissions for group and other users from a file or directory. This can ensure only the root user can modify and execute the script, since root user has full access to all files and directories regardless of their permissions. References: https://linux.die.net/man/1/chmod
質問 # 200
A server administrator is completing an OS installation for a new server. The administrator patches the server with the latest vendor-suggested software, configures DHCP, and verifies all network cables are properly connected in the IDF, but there is no network connectivity. Which of the following is the MOST likely reason for the lack of connectivity?
- A. The VLAN Is improperly configured.
- B. The OS version is not compatible with the network switch vendor.
- C. The DNS configuration Is invalid.
- D. The HIDS is preventing the connection.
正解：A
解説：
Explanation
If the server administrator patches the server with the latest vendor-suggested software, configures DHCP, and verifies all network cables are properly connected in the IDF, but there is no network connectivity, then the most likely reason for the lack of connectivity is that the VLAN is improperly configured. A VLAN (Virtual Local Area Network) is a logical grouping of network devices that share the same broadcast domain and can communicate with each other without routing. If the server is assigned to a different VLAN than the DHCP server or the default gateway, it will not be able to obtain an IP address or reach other network devices. The DNS configuration is not relevant for network connectivity, as DNS only resolves names to IP addresses. The OS version is not likely to be incompatible with the network switch vendor, as most network switches use standard protocols and interfaces. The HIDS (Host-based Intrusion Detection System) is not likely to prevent the connection, as HIDS only monitors and alerts on suspicious activities on the host. References:
https://www.howtogeek.com/190014/virtualization-basics-understanding-techniques-and-fundamentals/
https://www.howtogeek.com/164981/how-to-use-nslookup-to-check-domain-name-information-in-microsoft-win
https://www.howtogeek.com/202794/what-is-an-intrusion-detection-system-ids-and-how-does-it-work/
質問 # 201
A server technician downloaded new firmware from the manufacturer's website. The technician then attempted to install the firmware on the server, but the installation failed, stating the file is potentially corrupt. Which of the following should the technician have checked prior to installing the firmware?
- A. DLF configuration
- B. MD5 checksum
- C. ECC support
- D. MBR failure
正解：B
質問 # 202
Which of the following tools will analyze network logs in real time to report on suspicious log events?
- A. Syslog
- B. DLP
- C. HIPS
- D. SIEM
正解：D
解説：
SIEM is the tool that will analyze network logs in real time to report on suspicious log events. SIEM stands for Security Information and Event Management, which is a software solution that collects, analyzes, and correlates log data from various sources, such as servers, firewalls, routers, antivirus software, etc. SIEM can detect anomalies, patterns, trends, and threats in the log data and generate alerts or reports for security monitoring and incident response. SIEM can also provide historical analysis and compliance reporting for audit purposes.
Reference:
https://www.manageengine.com/products/eventlog/syslog-server.html
質問 # 203
A security technician generated a public/private key pair on a server. The technician needs to copy the key pair to another server on a different subnet. Which of the following is the most secure method to copy the keys?
* HTTP
- A. FTP
- B. USB
- C. SCP
正解：B
解説：
SCP (Secure Copy Protocol) is a protocol that allows users to securely transfer files between servers using SSH (Secure Shell) encryption. SCP encrypts both the data and the authentication information, preventing unauthorized access, interception, or modification of the files1. SCP also preserves the file attributes, such as permissions, timestamps, and ownership2.
質問 # 204
A newly installed server is accessible to local users, but remote users are unable to connect. Which of the following is MOST likely misconfigured?
- A. The default gateway
- B. The IP address
- C. The VLAN
- D. The subnet mask
正解：A
解説：
Explanation
This is the most likely misconfigured setting because the default gateway is the router that connects the local network to other networks. If the default gateway is incorrect, the server will not be able to communicate with remote users or devices outside its own subnet. References:
https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/ipconfig
質問 # 205
A Linux server was recently updated. Now, the server stops during the boot process with a blank screen and an
prompt. When of the following is the MOST likely cause of this issue?
- A. The system is booting to a USB flash drive
- B. The BIOS firmware needs to be upgraded
- C. The UEFI boot was interrupted by a missing Linux boot file
- D. The BIOS could not find a bootable hard disk
正解：C
解説：
Explanation
The most likely cause of this issue is that the UEFI boot was interrupted by a missing Linux boot file, such as grub.cfg or vmlinuz, which are essential for loading the Linux kernel and booting the system. The prompt indicates that the system entered into UEFI Shell mode, which is a command-line interface for troubleshooting UEFI boot issues. The administrator can use UEFI Shell commands to locate and restore the missing boot file or change the boot order. Verified References: [UEFI Shell Guide]
質問 # 206
A server administrator is tasked with upgrading the network on a server to 40Gbps. After installing the card, which of the following connectors should the administrator use?
- A. SFP
- B. QSFP+
- C. SFP+
- D. 10 GigE
正解：B
解説：
* QSFP+ (Quad Small Form-Factor Pluggable Plus): This transceiver type is designed specifically to handle 40Gbps network speeds. QSFP+ connectors are hot-swappable and support various cable types, including fiber optic and copper (DAC).
* 10GigE: While a valid network technology, 10GigE only supports up to 10Gbps, not the required
40Gbps.
* SFP (Small Form-factor Pluggable): A common transceiver type, but the standard SFP only supports a maximum of 1Gbps.
* SFP+ (Enhanced Small Form-factor Pluggable): Supports up to 10Gbps, not sufficient for 40Gbps in this scenario.
References:
* CompTIA Server+ Objectives (Exam codes SK0-004 or SK0-005): Search for sections on networking standards and transceiver types.
質問 # 207
A backup application is copying only changed files each line it runs. During a restore, however, only a single file is used. Which of the following backup methods does this describe?
- A. Open file
- B. Full Incremental
- C. Full differential
- D. Synthetic full
正解：D
解説：
A synthetic full backup is a backup method that describes copying only changed files each time it runs and using only a single file during a restore. A synthetic full backup is a backup approach that involves creating a new full backup by using the previous full backup and related incremental backups. This means that a backup solution does not have to transfer the full amount of data from the source machine and can synthetize the latest incremental backups with the last full backup to create a new full backup. This reduces the backup window and network bandwidth consumption. During a restore, only the latest synthetic full backup file is needed to recover the data. Open file backup is a backup method that allows backing up files that are in use or locked by applications. Full incremental backup is a backup method that involves performing a full backup first and then backing up only the changed files since the last backup. Full differential backup is a backup method that involves performing a full backup first and then backing up only the changed files since the last full backup.
References: https://www.nakivo.com/blog/what-is-synthetic-backup/
https://www.howtogeek.com/192115/what-you-need-to-know-about-creating-system-image-backups/
質問 # 208
An application needs 10GB of RAID 1 for log files, 20GB of RAID 5 for data files, and 20GB of RAID 5 for the operating system. All disks will be 10GB in capacity. Which of the following is the MINIMUM number of disks needed for this application?
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
解説：
To calculate the minimum number of disks needed for this application, we need to consider the RAID levels and their disk requirements. RAID 1 requires a minimum of two disks and provides mirroring, which means that data is duplicated on both disks. RAID 5 requires a minimum of three disks and provides striping with parity, which means that data is distributed across all disks with one disk storing parity information for error correction. RAID 5 can tolerate one disk failure without losing data. To create a 10GB RAID 1 array for log files, we need two 10GB disks. To create a 20GB RAID 5 array for data files, we need four 10GB disks (three for data and one for parity). To create a 20GB RAID 5 array for the operating system, we need another four 10GB disks (three for data and one for parity). Therefore, the total number of disks needed is 2 + 4 + 4 = 10. However, since we can use different RAID levels for different partitions on the same disk, we can optimize the disk usage by using only eight disks as follows: Disk 1: 10GB RAID 1 (log files) + 10GB RAID 5 (data files) Disk 2: 10GB RAID 1 (log files) + 10GB RAID 5 (data files) Disk 3: 10GB RAID 5 (data files) + 10GB RAID 5 (OS) Disk 4: 10GB RAID 5 (data files) + 10GB RAID 5 (OS) Disk 5: 10GB RAID 5 (parity for data files) + 10GB RAID 5 (OS) Disk 6: 10GB RAID 5 (OS) + unused space Disk 7: 10GB RAID 5 (parity for OS) + unused space Disk 8: unused space References: https://en.wikipedia.org/wiki/Standard_RAID_levels
質問 # 209
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