最新 [2023年12月27日] CompTIA SK0-005リアル試験問題集PDF
SK0-005練習テスト問題は更新された326問題あります
質問 # 100
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. Messaging
- B. Database
- C. Print
- D. Application
正解：B
解説：
Few people are expected to use the database at the same time and users don't need to customize the design of the database.
Reference:
The server role that the administrator will most likely need to install for a server that will hold large amounts of information and will need to be accessed by multiple users at the same time is database. A database is a collection of structured data that can be stored, queried, manipulated, and analyzed using various methods and tools. A database server is a server that hosts one or more databases and provides access to them over a network. A database server can handle large amounts of information and support concurrent requests from multiple users or applications.
質問 # 101
A server administrator is exporting Windows system files before patching and saving them to the following location:
\\server1\ITDept\
Which of the following is a storage protocol that the administrator is MOST likely using to save this data?
- A. SAS
- B. CIFS
- C. FCoE
- D. eSATA
正解：B
質問 # 102
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. GUI
- B. Full
- C. Bare metal
- D. Core
正解：D
解説：
The server installation method that would optimize server resources is core. Core is a minimal installation option that is available for some operating systems, such as Windows Server and Linux. Core installs only the essential components and features of the operating system, without any graphical user interface (GUI) or other unnecessary services or applications. Core reduces the disk footprint, memory usage, CPU consumption, and attack surface of the server, making it more efficient and secure. Core can be managed remotely using command-line tools, PowerShell, or GUI tools.
Reference:
https://docs.microsoft.com/en-us/windows-server/administration/performance-tuning/hardware/
質問 # 103
A storage administrator needs to implement SAN-based shared storage that can transmit at 16Gb over an optical connection. Which of the following connectivity options would BEST meet this requirement?
- A. iSCSI
- B. Fibre Channel
- C. FCoE
- D. eSATA
正解：B
解説：
Explanation
Fibre Channel is a connectivity option that can transmit at 16Gb over an optical connection for SAN-based shared storage. Fibre Channel is a high-speed network technology that provides reliable and secure data transfer between servers and storage devices. Fibre Channel uses optical fiber cables to connect devices and supports various topologies and protocols. FCoE is another connectivity option that uses Fibre Channel over Ethernet, which encapsulates Fibre Channel frames into Ethernet packets. FCoE can also transmit at 16Gb over an optical connection, but it requires a converged network adapter (CNA) and a lossless Ethernet network. iSCSI is another connectivity option that uses SCSI commands over IP networks, which can use either copper or optical cables. iSCSI can transmit at 10Gb or 40Gb over an optical connection, but it has higher latency and lower performance than Fibre Channel. eSATA is another connectivity option that uses SATA commands over external cables, which are usually copper. eSATA can transmit at 6Gb over a copper connection, but it has limited cable length and device support compared to Fibre Channel. References:
https://www.ibm.com/topics/storage-area-network
https://www.techopedia.com/definition/1369/fibre-channel-fc
https://www.techopedia.com/definition/1368/fibre-channel-over-ethernet-fcoe
https://www.techopedia.com/definition/1367/internet-small-computer-system-interface-iscsi
https://www.techopedia.com/definition/1366/external-serial-advanced-technology-attachment-esata
質問 # 104
Which of the following refers to the requirements that dictate when to delete data backups?
- A. Retention policies
- B. Life-cycle management
- C. Off-site storage
- D. Cloud security impact
正解：A
質問 # 105
A server technician is installing a new server OS on legacy server hardware. Which of the following should the technician do FIRST to ensure the OS will work as intended?
- A. Consult the HCL to ensure everything is supported.
- B. Low-level format the hard drives to ensure there is no old data remaining.
- C. Migrate the physical server to a virtual server.
- D. Make sure the case and the fans are free from dust to ensure proper cooling.
正解：A
解説：
Since this is legacy server hardware it would be important to make sure that it can handle/support a particular O/S before attempting an install. The rest of the answers have little to nothing to do with an install an O/S on legacy hardware.
質問 # 106
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. RDP
- C. VNC
- D. SSH
- E. IP KVM
正解：E
解説：
Explanation
The administrator should use an IP KVM to access the server's console remotely for bare-metal maintenance.
An IP KVM stands for Internet Protocol Keyboard Video Mouse, which is a device that allows remote control of a server's keyboard, video, and mouse over a network connection, such as LAN or Internet. An IP KVM enables an administrator to perform tasks such as BIOS configuration, boot sequence selection, operating system installation, etc., without being physically present at the server location.
The other options are not suitable for bare-metal maintenance because they require either physical access to the server (a crash cart) or an operating system running on the server (VNC, RDP, SSH). A crash cart is a mobile unit that contains a monitor, keyboard, mouse, and cables that can be plugged into a server for direct access to its console. VNC stands for Virtual Network Computing, which is a software that allows remote desktop sharing and control over a network connection using a graphical user interface (GUI). RDP stands for Remote Desktop Protocol, which is a protocol that allows remote desktop access and control over a network connection using a GUI or command-line interface (CLI). SSH stands for Secure Shell, which is a protocol that allows secure remote login and command execution over a network connection using a CLI.
質問 # 107
Which of the following allows for a connection of devices to both sides inside of a blade enclosure?
- A. Passive backplane
- B. Midplane
- C. Active backplane
- D. Management module
正解：B
質問 # 108
A remote physical server is unable to communicate to the network through the available NICs, which were misconfigured. However, the server administrator is still able to configure the server remotely. Which of the following connection types is the server administrator using to access the server?
- A. RDP connection
- B. Out-of-band management
- C. Crash cart access
- D. Local KVM setup
- E. Virtual administrator console
正解：B
解説：
The connection type that the server administrator is using to access the server remotely is out-of-band management. Out-of-band management is a method of accessing and controlling a server through a dedicated network interface or port that is separate from the regular data network. Out-of-band management allows administrators to perform tasks such as rebooting, configuring, troubleshooting, or updating a server even if the server is offline or unresponsive through the regular network. Out-of-band management can use protocols such as IPMI, iLO, DRAC, or BMC. Reference: https://www.ibm.com/cloud/learn/out-of-band-management
質問 # 109
A technician has beer tasked to install a new CPU. Prior to the retaliation the server must be configured.
Which of the following should the technician update?
- A. The HBA
- B. The BIOS
- C. The RAID card
- D. The backplane
正解：B
解説：
Explanation
The BIOS (Basic Input/Output System) is a firmware that controls the initialization and booting of a server. It also provides settings for the CPU, such as speed, voltage, and temperature. Updating the BIOS can improve the performance and compatibility of the CPU and other hardware components. Verified References: [BIOS],
[CPU]
質問 # 110
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?
- A. Redundant power supplies
- B. Increased PDU capacity
- C. Separate circuits
- D. An uninterruptible power supply
正解：B
質問 # 111
A user cannot save large files to a directory on a Linux server that was accepting smaller files a few minutes ago. Which of the following commands should a technician use to identify the issue?
- A. mount
- B. fdisk -l
- C. pvdisplay
- D. df -h
正解：D
解説：
Explanation
The df -h command should be used to identify the issue of not being able to save large files to a directory on a Linux server. The df -h command displays disk space usage in human-readable format for all mounted file systems on the server. It shows the total size, used space, available space, percentage of use, and mount point of each file system. By using this command, a technician can check if there is enough free space on the file system where the directory is located or if it has reached its capacity limit.
質問 # 112
A server administrator needs to configure a server on a network that will have no more than 30 available IP addresses. Which of the following subnet addresses will be the MOST efficient for this network?
- A. 255.255.255.252
- B. 255.255.255.224
- C. 255.255.255.128
- D. 255.255.255.0
正解：B
解説：
The most efficient subnet address for a network that will have no more than 30 available IP addresses is 255.255.255.224. This subnet mask corresponds to a /27 prefix length, which means that 27 bits are used for the network portion and 5 bits are used for the host portion of an IP address. With 5 bits for hosts, there are 2^5 - 2 = 30 possible host addresses per subnet, which meets the requirement. The other options are either too large or too small for the network size. Reference: https://www.ibm.com/cloud/learn/subnet-mask
質問 # 113
A systems administrator needs to create a data volume out of four disks with the MOST redundancy. Which of the following is the BEST solution?
- A. RAID 0
- B. RAID 5
- C. RAID 1
- D. RAID 6
正解：D
解説：
RAID 6 is a type of RAID level that uses two parity blocks to provide fault tolerance and redundancy for data storage. RAID 6 can withstand the failure of up to two disks in the array without losing any data. RAID 6 requires a minimum of four disks to operate, and it distributes the data and parity blocks across all the disks in the array. RAID 6 has a high write penalty, which means that it takes more time and resources to write data to the disks than to read data from them. However, RAID 6 offers a high level of data protection and reliability, which makes it suitable for applications that require high availability and durability1.
RAID 1 provides redundancy and fault tolerance by mirroring the data from one disk to another disk. RAID 1 offers high read performance and data security, but it has low capacity and write performance. RAID 1 requires a minimum of two disks to operate, and it can only tolerate the failure of one disk in the array. If more than one disk fails, all the data in the array is lost2.
RAID 5 provides redundancy and fault tolerance by using one parity block to store information that can be used to reconstruct the data in case of a disk failure. RAID 5 requires a minimum of three disks to operate, and it distributes the data and parity blocks across all the disks in the array. RAID 5 offers a balance between performance, capacity, and data protection, but it can only tolerate the failure of one disk in the array. If more than one disk fails, all the data in the array is lost2.
Therefore, among these options, RAID 6 is the best solution for creating a data volume out of four disks with the most redundancy.
質問 # 114
A systems administrator is trying to run a program on the server to query the database. When attempting to launch the program, the screen flashes and the program closes. Which of the following should the technician do to get the program to open correctly? (Choose two.)
- A. Log on to the server as the backup administrator.
- B. Check HIPS logs to see if the application is blocked.
- C. Launch the program running as the administrator.
- D. Log on to the server as the database administrator.
- E. Stop the database and restart the server.
正解：B、C
質問 # 115
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