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SK0-005「CompTIA Server+ Certification Exam」試験は簡単ではありません。専門的な知識が必要で、もしあなたはまだこの方面の知識を欠かれば、Tech4Examは君に向ける知識を提供いたします。Tech4Examの専門家チームは彼らの知識や経験を利用してあなたの知識を広めることを助けています。そしてあなたにSK0-005試験に関するテスト問題と解答が分析して差し上げるうちにあなたのIT専門知識を固めています。
| Section | Weight | Objectives |
|---|---|---|
| Security and Disaster Recovery | 24% | - Server security
|
| Server Administration | 30% | - Operating system management
|
| Server Hardware Installation and Management | 18% | - Storage technologies
|
| Troubleshooting | 28% | - Troubleshooting methodology
|
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質問 # 629
IDS alerts indicate abnormal traffic patterns are coming from a specific server in a data center that hosts sensitive data. Upon further investigation, the server administrator notices this server has been infected with a virus due to an exploit of a known vulnerability from its database software. Which of the following should the administrator perform after removing the virus to mitigate this issue from reoccurring and to maintain high availability? (Choose three.)
正解:A、D、H
解説:
After removing the virus from the server, the administrator should perform the following actions to mitigate the issue from reoccurring and to maintain high availability:
Run a vulnerability scanner on the server to identify any other potential weaknesses or exposures that could be exploited by attackers.
Patch the vulnerability that allowed the virus to infect the server in the first place, using the latest updates from the database software vendor or a trusted source. Update the antivirus software on the server to ensure it has the most recent virus definitions and can detect and prevent future infections. The other options are either unnecessary or counterproductive for this scenario.
Repartitioning the hard drive, reformatting the OS, removing the database software, or air gapping the server from the network would cause downtime and data loss, while enabling a host firewall would not prevent a virus infection from within the network.
質問 # 630
Which of the following testing exercises for disaster recovery is primarily used to discuss incident response strategies for critical systems without affecting production data?
正解:C
解説:
A tabletop exercise is a type of disaster recovery testing exercise that is primarily used to discuss incident response strategies for critical systems without affecting production data. A tabletop exercise is a discussion- based session where team members meet in an informal, classroom setting to review their roles and responsibilities during an emergency and their responses to a hypothetical scenario. A facilitator guides the participants through the discussion and evaluates the strengths and weaknesses of the preparedness program. A tabletop exercise does not involve any actual deployment of resources or activation of systems12.
A backup recovery test (B) is a type of disaster recovery testing exercise that involves restoring data from backup media to verify its integrity and availability. A backup recovery test may affect production data if it is not performed on a separate environment. A live failover is a type of disaster recovery testing exercise that involves switching operations from a primary site to a secondary site in case of a failure or disruption. A live failover may affect production data if it is not performed on a simulated environment. A hot-site visit audit (D) is a type of disaster recovery testing exercise that involves inspecting and evaluating a hot site, which is a backup location that has fully operational equipment and resources to resume business operations in case of a disaster. A hot-site visit audit does not involve any discussion of incident response strategies or simulation of scenarios. References: 1 https://www.ready.gov/testing-exercises 2 https://www.ready.gov/exercises
質問 # 631
A database developer recently requested a 4TB SATA drive utilizing spinning disks be added to an existing system for a new, heavily used database. The storage administrator turned down the request after reviewing it. Which of the following is the most likely reason the administrator did that?
正解:C
解説:
SATA spinning disks typically have slower input/output (I/O) performance, which makes them unsuitable for heavily used databases requiring fast data access.
質問 # 632
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:A
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 # 633
An administrator needs to reconfigure a teamed network connection on a server in a remote data center. Which of the following will offer the most resilient connection while performing this change?
正解:A
解説:
An out-of-band (OOB) solution is a method of accessing and managing a server remotely without using the network connection or the operating system of the server. An OOB solution can use a dedicated management port, a serial console, or a KVM switch to provide a resilient connection while performing changes to the network configuration of the server. An OOB solution is more reliable than a VNC or RDP console, which depend on the network and the operating system, and more convenient than a crash cart, which requires physical access to the server.
質問 # 634
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