H31-523 Online Practice Questions and Answers

ITIL best practices refer to the advanced ITSM methodology to understand enterprise requirements and

implement sustainable management during IT service management.

Which of the following is the IT service operation process in the ITIL best practice system?

A. Event management, incident management, problem management, request fulfillment, and access management

B. Incident management, problem management, service desk, request fulfillment, and event management

C. Incident management, service desk, request fulfillment, access management, and event management

D. Event management, incident management, change management, and access management

Which of the following statements are CORRECT about the host that provides external block storage for Cinder?

A. Cinder-API provides an interface for processing block storage access requests

B. The Cinder-Volume service is responsible for dealing with storage servers, such as Swift and Ceph, to create and delete volumes

C. The Cinder-Scheduler assigns tasks to servers that provide block storage

D. Cinder modules work in message queue mode

Which of the following does not affect the creation of cloud hosts in the Cloud Management Platform (CMP)?

A. Regional information

B. Alarm Rule Configuration

C. Network partition

D. Availability zone information

Which of the following statements about the logical structure of the Oracle database is correct?

A. Tablespace is a collection of multiple segments

B. An extent corresponds to a block

C. A segment is a collection of multiple extents

D. Block is the basic unit of I/O operations. The default value is 4 KB.

Which of the following statements about the Oracle tools RMAN used to back up, restore, and recover database is correct?

A. Applies to the migration between different database platforms or versions

B. The shutdown window is small, and the downtime is related to the total data volume

C. Some data in the database can be migrated

D. Online physical backup without interrupting production system services

In the cloud data center migration scenario, which of the following statements about configuring eDevLUNs for heterogeneous virtualization is correct?

A. The read/write policy of eDevLUNs "write-back" applies to random access services, ensuring that data in the cache is cached as long as possible to improve the read hit ratio.

B. The default read/write policy of eDevLUNs is applicable to common services to balance the hit ratio and disk access performance.

C. The read/write policy "Pairing" of eDevLUNs applies to sequential access services to release cache resources for other services as soon as possible.

D. When the eDevLUN reads data, it reads the data to be read from the hard disk in advance based on the specified policy.

In the cloud data center migration scenario, which of the following statements about P2P migration are correct?

A. Use a third-party system migration tool to transfer the system and data online to the target host where the OS is not installed

B. No manual intervention is required during the migration. The tool automatically replicates changed data in real time.

C. After all data is transferred; you only need to switch the data.

D. After the transmission is complete, the source system is closed and reserved.

In cloud data center migration scenarios, which of the following are important meanings of application association analysis?

A. Reduce the impact of migration on existing services

B. Balance the migration benefits and risks

C. Quick rollback can be performed if the migration fails

D. Reduce migration implementation complexity and migration risks

In the data center disaster recovery and backup solution, data backup is used to solve the availability problem.

A. True

B. False

In the storage disaster recovery and backup solution, the RPO of a storage product is 30 minutes and the RTO is 15 minutes. Which of the following statements are correct?

A. When the storage system is faulty, the time difference between the production site and the DR site may be 45 minutes.

B. The duration from the time when a fault occurs to the time when the service is suspended to the time when the service is recovered may be 45 minutes.

C. When the storage system is faulty, the time difference between the production site and the DR site may be 30 minutes.

D. The period from the time when a fault occurs to the time when the service is suspended to the time when the service is recovered may be 15 minutes.