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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Server+ Certification Exam |
| Exam Number: | SK0-005 |
| Related Certifications: | CompTIA Server+ |
| Passing Score: | 750 (on a scale of 100-900) |
| Exam Price: | USD 369 |
| Exam Format: | Multiple choice, Performance-based, Multiple select |
| Available Languages: | English, Japanese |
| Real Exam Qty: | Maximum of 100 |
| Exam Duration: | 90 minutes |
| Sample Questions: | CompTIA SK0-005 Sample Questions |
| Pre Condition: | CompTIA A+ recommended but not required; 18-24 months of IT experience recommended |
| Official Syllabus URL: | https://www.comptia.org/certifications/server |
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SK0-005試験には、90の複数選択とパフォーマンスベースの質問が含まれており、候補者は試験を完了するために90分かかります。試験は英語と日本語で利用でき、合格スコアは100〜900のスケールで750です。試験料は359ドルで、認定は3年間有効です。 Comptiaは、候補者が試験を試みる前に、少なくとも18〜24か月のサーバー管理の経験があることを推奨しています。
CompTIA SK0-005試験は、サーバー管理者にとって必要不可欠なサーバーアーキテクチャ、インストール、構成、メンテナンス、トラブルシューティング、ストレージ、セキュリティ、災害復旧などの幅広いトピックをカバーしています。また、クラウドコンピューティング、仮想化、コンテナ化などの最新のサーバーテクノロジーもカバーしています。この試験は、オンプレミス、クラウドベース、ハイブリッド環境を含む様々な環境でサーバーを管理・維持する能力をテストするために設計されています。
質問 # 17
A server technician has received reports of database update errors. The technician checks the server logs and determines the database is experiencing synchronization errors. To attempt to correct the errors, the technician should FIRST ensure:
正解：D
解説：
Explanation
The first thing that the technician should ensure to correct the database synchronization errors is that NTP is running on the database system. NTP (Network Time Protocol) is a protocol that synchronizes the clocks of network devices with a reference time source, such as an atomic clock or a GPS receiver. NTP ensures that all devices on a network have accurate and consistent time settings, which can affect various functions and applications. Database synchronization is a process of maintaining data consistency and integrity across multiple database servers or instances. Database synchronization can depend on accurate time settings, as time stamps are often used to determine which data is newer or older, and which data should be updated or overwritten. If NTP is not running on the database system, it may cause time drift or discrepancy between different database servers or instances, which can result in synchronization errors or data conflicts.
質問 # 18
A systems administrator is setting up a second VLAN for end users. Which of the following should be provisioned for a DHCP server to be able to receive client requests from a different subnet?
正解：A
質問 # 19
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?
正解：C
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
質問 # 20
Which of the following describes the concept of allocating more resources than what is available on a hypervisor?
正解：E
解説：
Overprovisioning: Involves allocating more virtual resources (e.g., CPU, RAM, storage) to virtual machines than the total physical resources available on a hypervisor. The idea is for resources to be dynamically shared, assuming not all VMs will demand their maximum allocation simultaneously.
Direct Access: This usually refers to technologies like RDMA (Remote Direct Memory Access) that allow for very low-latency, direct access to the memory of another computer over a network.
Link Aggregation: The practice of combining multiple physical network links to create a single logical link with increased bandwidth.
Component Redundancy: Refers to having multiple hardware components (e.g., power supplies, hard drives) to provide fault tolerance.
Scalability: The ability of a system to adapt and handle increased workloads by adding resources.
Reference:
CompTIA Server+ Objectives (Exam codes SK0-004 or SK0-005): Review the sections on virtualization concepts.
Virtualization Technology Documentation: Refer to documentation for popular hypervisors like VMware vSphere, Microsoft Hyper-V, or open-source solutions.
質問 # 21
A technician is deploying a single server to monitor and record me security cameras at a remote site, which of the following architecture types should be used to minimize cost?
正解：B
解説：
A tower server is a type of server architecture that is best suited to minimize cost when deploying a single server to monitor and record the security cameras at a remote site. A tower server is a standalone server that has a similar form factor and design as a desktop computer. It does not require any special mounting equipment or rack space and can be placed on or under a desk or table. A tower server is suitable for small businesses or remote offices that need only one or few servers for basic tasks such as file sharing, print serving, or security monitoring. A tower server is usually cheaper and easier to maintain than other types of servers, but it may have lower performance, scalability, and redundancy features. A virtual server is a type of server architecture that involves creating and running one or more virtual machines on a physical host using a hypervisor such as Hyper-V or VMware. A virtual server can reduce hardware costs and improve flexibility and efficiency, but it requires additional software licenses and management tools. A blade server is a type of server architecture that involves inserting multiple thin servers called blades into a chassis that provides power, cooling, network, and management features. A blade server can improve performance, density, and scalability, but it requires more initial investment and specialized equipment. A rack mount server is a type of server architecture that involves mounting one or more servers into standardized frames called racks that provide power, cooling, network, and security features
質問 # 22
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