1Z0-921 試験問題を無料オンラインアクセス

Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?

• A.existing VCN
• B.Object Storage
• C.ssh key pair
• D.Custom Image
• E.subnet configured on a Virtual Cloud Network (VCN)
• F.bare metal Oracle Linux shape

Which is true about inserting an additional line in a single document stored in MySQL document store?

• A.Any new lines can only be inserted at the end of the document.
• B.The path specified must be an array position past the end of an array using the JSON_POSITION statement.
• C.You specify the new element,s position in the JSON_ARRAY_INSERT statement.
• D.You cannot insert a single line, you have to replace the entire document with a new document.

You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?

• A.You can expect an outage of your MySQL OCI instance during the planned time..
• B.Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
• C.There are no maintenance operations planned. You need to do them manually.
• D.You need to agree to the maintenance windows. If not, you are not affected by the outage.

When should you perform a backup in a MySQL database?
Response:

• A.After every successful query execution.
• B.Only during scheduled maintenance windows.
• C.Only when the database size exceeds a certain limit.
• D.After critical data updates or before making significant changes to the database.

You want to create the user named jenny for any host server with the password secretpassi23! and the password is expired? Which command should you use?

• A.CREATE USER ,jenny,@,localhost, IDENTIFIED BY (,SecretPass123!,,,256,, Expired)
• B.CREATE USER ,jenny,@,%, IDENTIFIED WITH sha256_password BY 'SecretPass123!,;
• C.CREATE USER ,jenny *@,localhost, IDENTIFIED WITH HASH PASSWORD(,SecretPass123!,)
• D.CREATE USER ,jenny,@'%, WITH HASHED(password,,SecretPass123!,), PASSWORD EXPIRE
• E.CREATE USER ,jenny,0,%t IDENTIFIED BY ,SecretPass123!, PASSWORD EXPIRE;