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質問 # 33
Which three statements are true regarding how Autonomous Database provides data security? (Choose three.)
- A. Network connections from clients to Autonomous Database are encrypted using the client credentials wallet.
- B. Data is encrypted at rest using transparent data encryption.
- C. Users are given OS logons or SYSDBA privileges to prevent phishing attacking.
- D. Oracle automatically applies security updates to ensure data is not vulnerable to known attack vectors.
正解：A、B、D
解説：
In Autonomous Database, Oracle encrypt your data everywhere-whether in motion in SQL'Net traffic, and at rest in tablespaces and backups by default, each Autonomous Database service is automatically configured to use industry-standard TLS 1.2 to encrypt data in transit between the database service and clients or applications. Required client certificates and networking information are automatically packaged for the service consumer when the service is provisioned Oracle encrypt data at rest, by default the Autonomous Database is automatically encrypted using Oracle Transparent Data Encryption in tablespaces and backups
https://docs.oracle.com/en/cloud/paas/atp-cloud/atpug/autonomous-security.html#GUID-B26111FC-311F-4A80-96F7-E3608BEC25C7
質問 # 34
Which statement is FALSE about Oracle Autonomous JSON Database?
- A. It supports NoSQL-style, document-centric application
- B. You can promote Autonomous JSON Database to Autonomous Transaction /Processing
- C. There is a 20 GB limit on JSON collection
- D. JSON data is stored natively in the database
正解：C
解説：
質問 # 35
Which three statements are correct when the Autonomous Database is stopped? (Choose three.)
- A. In-flight transactions and queries are stopped.
- B. User with DWROLE can still access the database.
- C. Tools are no longer able to connect to a stopped instance.
- D. CPU billing is halted based on full-hour cycles of usage.
正解：A、C、D
解説：
https://docs.oracle.com/en/cloud/paas/autonomous-data-warehouse-cloud/user/autonomous-stop.html
質問 # 36
Which predefined role that exists in Autonomous Database includes common privileges that are used by a Data Warehouse developer?
- A. ADBDEV
- B. DWROLE
- C. ADMIN
- D. ADWC
正解：B
質問 # 37
Given the steps:
1. Create Oracle Machine Learning User
2. Create projects
3. Create workspaces
4. Create Notebooks
5. Run SQL Scripts
Which two steps are out of order when working with Oracle Machine learning? (Choose two.)
- A. Create Oracle Machine Learning User
- B. Create projects
- C. Create Notebooks
- D. Create workspaces
- E. Run SQL Scripts
正解：A、D
解説：
質問 # 38
While creating an Autonomous Container Database on dedicated infrastructure through the Oracle Cloud Infrastructure (OCI) console, which patch type is offered to be applied during maintenance?
- A. Prior Release Update (PRU)
- B. Quarterly Bundle Patch (QBP)
- C. Prior Release Update Revision (PRUR)
- D. Release Update (RU)
正解：D
解説：
On the Edit Automatic Maintenance card, select Release Update (RU) or Release Update Revision (RUR) from the Maintenance type list.
Note:
Currently, the Release Update Revision (RUR) maintenance type is not a selectable option. When release update revisions become available for Autonomous Database, this option will become selectable.
質問 # 39
Which statement is false about Autonomous Database Oracle Client Credentials (Wallets)?
- A. You MUST have an Oracle Client Credential Wallet in order to connect to the Autonomous Database.
- B. The Wallet for the Autonomous Database is the same as the Transparent Data Encryption (TDE) wallet.
- C. In addition to the Oracle Client Credential Wallet, a user must have a username and password in order to connect to the Autonomous Database.
- D. The Oracle Client Credential file is downloaded as a ZIP file.
正解：B
解説：
When you download the client credentials from the Download Wallet dialog, you must enter a wallet password in the password field and confirm the password in the confirm password field. The password must be at least eight characters long and must include at least one letter and one numeric character or one special character. This password protects the download client credentials wallet. This wallet is not the same as the transparent data encryption wallet for the database. Therefore, a different password is used to protect the client credentials wallet.
質問 # 40
In which four ways can Oracle Database optimally access data in Object Storage?
- A. scan avoidance using partitioned external tables
- B. optimized data archive using partitioned external tables
- C. scan avoidance using columnar pruning for columnar stores like parquet and orc
- D. optimized data archive using hybrid partitioned tables
- E. scan avoidance using columnar pruning for .csv files
- F. scan avoidance using block skipping when reading parquet and ore files
正解：A、B、C、D
質問 # 41
Which statement is true in regards to database links?
- A. Create a database link from one Autonomous Database to another Autonomous Database instance.
- B. You can call PL/SQL procedures and functions using a database link.
- C. Connect from Autonomous Database to remote database using a database link.
- D. Connect to Autonomous Database from remote database using a database link.
正解：D
解説：
https://blogs.oracle.com/datawarehousing/how-to-create-a-database-link-from-an-autonomous-data-warehouse-to-a-database-cloud-service-instance-v2
https://blogs.oracle.com/datawarehousing/making-database-links-from-adw-to-other-databases
質問 # 42
Which two statements apply to the Autonomous Database service on Dedicated Infrastructure?
- A. You, as the customer, are responsible for all patching operations
- B. Patching occurs on the first Sunday of each quarter
- C. You can set a maintenance window for each individual Autonomous Container Database
- D. You can set a maintenance window for an Autonomous Exadata Infrastructure
正解：C、D
質問 # 43
Oracle Data Safe is a unified control center for your Oracle databases which helps you understand the sensitivity of your data, evaluate risks to data, mask sensitive data, implement and monitor security controls, assess user security, monitor user activity, and address data security compliance requirements.
Which statement is FALSE?
- A. Oracle Data Safe helps you assess the security of your cloud database configurations by analyzing database configurations.
- B. Oracle Data Safe helps you find sensitive data in your database by inspecting the actual data in your database and its data dictionary.
- C. Oracle Data Safe only supports Autonomous Databases.
- D. Oracle Data Safe evaluates user types, how users are authenticated, and the password policies assigned to each user.
正解：C
解説：
https://www.oracle.com/database/technologies/security/data-safe.html
https://www.oracle.com/a/tech/docs/dbsec/data-safe/faq-security-data-safe.pdf Data Safe works with the following Oracle Databases Oracle on-Premises Databases Oracle Cloud Databases
- Autonomous Database on Shared Exadata Infrastructure
- Autonomous Database on Dedicated Exadata Infrastructure
- Exadata DB systems
- Database Cloud Service on Virtual Machine
- Database Cloud Service on Bare Metal
Oracle Database on Compute
質問 # 44
Which two actions are available to perform when an Autonomous Database is stopped?
- A. Update License Type
- B. Update Network Access
- C. Start
- D. Change administrator password
正解：A、C
質問 # 45
The Oracle Autonomous Database dedicated Exadata infrastructure feature is based upon which Oracle Cloud resources?
- A. Autonomous Exadata Infrastructure, Autonomous Backup, Autonomous Container Database, Autonomous Database
- B. Virtual Cloud Network, Compartments, Policies, Autonomous Exadata Infrastructure
- C. Oracle Machine Learning Zeppelin Notebook, Autonomous Exadata Infrastructure, Fleet Administrator, Database Administrator,
- D. Fleet Administrator, Database Administrator, Database User, Autonomous Exadata Infrastructure
正解：A
解説：
https://docs.oracle.com/en/cloud/paas/autonomous-database/atpfg/components.html#GUID-
268B36E1-87D8-4649-A370-226E2AE3FC5C
質問 # 46
In the Autonomous Database (ADB) Dedicated service, what does the fleet administrator use to control OCPU utilization?
- A. Oracle Machine Learning notebook
- B. Compartment quotas
- C. Resource Manager settings
- D. SQL Developer Web Console
正解：B
解説：
https://docs.oracle.com/en-us/iaas/Content/Database/Concepts/adboverview.htm
質問 # 47
A customer wants to increase the throughput of their inserts. They have discovered that the bottleneck is in the storage I/Os of their environment.
What should they do to remove this bottleneck?
- A. Ask Support to migrate their setup to a node without noisy neighbors.
- B. Increase the number of OCPUs allocated to the database.
- C. Run the DBMS_CLOUD.INCREASE_THROUGHPUT procedure.
- D. Remove any non-JSON data from the database.
正解：B
質問 # 48
Which two statements are true about accessing Autonomous Database Tools?
- A. Access to Database Actions is available for all users of Autonomous Database.
- B. Oracle APEX can be accessed only from the Developer menu in the Service Console.
- C. Database Actions is accessible from a server running on the same virtual cloud network (VCN) when the Autonomous Database is configured with Private Endpoint networking.
- D. Oracle Machine Learning is available only with Autonomous Data Warehouse (ADW) Database.
- E. SQL Developer Web is available exclusively on the Autonomous Database.
正解：B、C
質問 # 49
When you are cloning from a backup, what is the earliest timestamp of the backup is allowed in Autonomous Database?
- A. 30 minutes
- B. 1 hours
- C. 2 hours
- D. 24 hours
正解：C
解説：
Clone Sources
You can use a running database to create a clone. For databases running on shared Exadata infrastructure, you can also use a backup as the source of your clone. When using a backup, you can select a listed backup to clone from, or create a point-in-time clone. Point-in-time clones contain all data up to a specified timestamp. The specified timestamp must be in the past.
NoteWhen you create a clone from a backup, you must select a backup that is at least two hours old.
https://docs.oracle.com/en-us/iaas/Content/Database/Tasks/adbcloning.htm
質問 # 50
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