[2022年09月15日]1Z0-1093-21究極な学習ガイド
究極なガイドで準備1Z0-1093-21認定試験Database Cloud Serviceは2022年更新
質問 10
Which statement is FALSE about using compartments?
- A. They are a physical concept that separates users.
- B. They can be used to secure resources.
- C. They allow you to isolate resources.
- D. They can be organized in a hierarchical fashion.
正解: A
質問 11
You enable automatic backups on your Exadata Cloud@Customer.?
- A. Transparent Data Encryption (TDE) keystore (wallet)
- B. database archivelog files
- C. server parameter file (SP file)
- D. database control files
正解: A
質問 12
How many IP addresses do you need at a minimum for the client subnet when you plan to have four Exadata compute nodes on Exadata Cloud Service?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
正解: D
解説:
Explanation
((3 address * 2 nodes) +3 for SCANs +3 reserved in subnet )
質問 13
Which service is used by default by the MySQL Database Service to store user data to make it more resistant to failures?
- A. Block Volumes
- B. Object storage
- C. File Storage
- D. Data safe
正解: A
質問 14
Which three actions can you perform on a DB system that has an Oracle Data Guard association with a standby database?
(Choose all correct answers)
- A. If the primary database becomes unavailable, then you can use Oracle Data Guard to fail over the standby database to the primary role.
- B. You can write on both primary and standby databases because DB system standby databases in Oracle Cloud Infrastructure Database are logical standbys.
- C. You can terminate a primary database DB system.
- D. You can switch over the primary database to the standby role, perform maintenance on the standby database, and then switch it back to the primary role.
- E. You can use the reinstate command to return a failed database into standby role after correcting the cause of failure.
正解: A,D,E
質問 15
What TWO reasons do you need a minimum of three storage cells when using Exadata Cloud Service?
(Choose all correct answers)
- A. for high availability
- B. for Data Guard
- C. for Real Application Clusters
- D. for Fast Start Failover of storage cells
- E. for triple mirroring of data
正解: A,E
質問 16
Which two circumstances are FALSE when you use the Console to recover a DB system database from a backup stored in Oracle Cloud Infrastructure Object Storage? (Choose all correct answers)
- A. You want to restore to an existing System Change Number (SCN).
- B. Restore the database from an unmanaged backup in Object Storage created directly by using RMAN.
- C. Data Guard must be disabled, or you must first remove the Data Guard association by terminating the standby database before you can restore the database.
- D. Restore the database from a backup in Object Storage that was created by using the Console or the API.
- E. The pp system has no access to the Oracle Cloud Infrastructure Object Storage service location where the backup is stored.
正解: B,E
質問 17
You want to move an Exadata Cloud@Customer VM cluster to a different OCI compartment for increased isolation from other teams that use Exadata. What happens when you use the console to do this?
- A. The vm cluster, compute nodes, and associated databases will move compartments. All other resources will remain in the existing compartment.
- B. The vM cluster, compute nodes, and underlying Exadata infrastructure will move to the new compartment. All other resources remain the same.
- C. After it is deployed, a VM cluster cannot change compartments.
- D. The VM cluster and associated databases will move to the new compartment. All other resources will remain in the existing compartment.
正解: A
質問 18
You notice that throttling is occurring on your NoSQL Database Cloud Service. What must you increase to solve this?
- A. storage capacity
- B. storage capacity
- C. OCPU for all servers in the cluster
- D. index size
正解: C
質問 19
What can you use to enable an on-premises Enterprise Manager instance to monitor Exadata Cloud Service in a private OCI subnet?
- A. Virtual Network Interface Card (VNIC)
- B. FastConnect
- C. virtual Cloud Network (VCN)
- D. Client subnet
正解: B
質問 20
Which tool can be used to monitor a storage server in Exadata Cloud Service?
- A. dbaascli
- B. OCI CLI
- C. ocpucli
- D. exacli
正解: D
質問 21
You define a maintenance window for your MySQL DB systems. When the automatic maintenance process takes place, which TWO activities does the system perform while its status is set to UPDATING? (Choose all correct answers)
- A. It upgrades the associated compute instance to the latest Linux operating system version.
- B. It analyzes, rebuilds, and optimizes MySQL database tables and indexes.
- C. It patches the underlying operating system of the MySQL database.
- D. It patches the MySQL server itself along with any underlying hardware.
正解: C,D
質問 22
Which system configuration is offered by the Oracle Database Exadata Cloud Service?
- A. Each system configuration starts with a fixed amount of OCPU, memory, storage, and network resources.
- B. Each system configuration starts with a fixed amount of OCPU and storage resources.
- C. Each system configuration starts with a fixed amount of memory and storage resources.
- D. Each system configuration starts with a fixed amount of OCPU, memory, and network resources.
正解: A
質問 23
The /u02 directory containing Oracle Homes (OH) is 80% utilized and you need to free up space in it. you own two Oracle Homes (OH193_A and OH193_B), each with a test database (193A and 193B respectively).You decide to consolidate both databases into a single Oracle Home (OH193. |_A) to free up space. Which TWO actions must you perform? (Choose all correct answers)
- A. Copy the sqinet.ora file from OH193_B to OH193_A.
- B. use the Move Database option from the console.
- C. Schedule a downtime window with the Test teams who use the 193B database.
- D. Create a new container under 0H193B and migrate the pluggable databases (PDBs) from 193B to 193A.
正解: B,C
質問 24
You have been brought in to help a company with slow nightly batch processing running on their Exadata Cloud Service. You have determined the workload is CPU-bound during the batch window. Which command line tool can be used to script increase or decrease OCPUs?
- A. exacli
- B. oci cli
- C. ocpucli
- D. asmali
正解: B
質問 25
You want to permanently delete the DB System and its attached HeatWave cluster. Which action should you perform?
- A. Drop the DB system and terminate the associated HeatWave Cluster.
- B. Terminate the DB system and drop the associated HeatWave Cluster.
- C. Delete the Heatwave Cluster and it will also delete the DB system.
- D. Delete the DB system and it will also delete the attached HeatWave Cluster.
正解: D
質問 26
You want to connect to your MySQL DB system's endpoint. You create an Oracle Linux compute instance on the same Virtual Cloud Network as your MySQL DB system. Which TWO actions must you perform to connect to your MySQL Database Service system? (Choose all correct answers)
- A. ssh into the compute instance from your local machine.
- B. Define a SQL Developer connection in your MySQL Database Service database system.
- C. Connect to your database system by using the MySQL client on the Linux compute instance.
- D. Install the MySQL client on your local computer.
正解: A,C
質問 27
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