1Z1-950 試験問題を無料オンラインアクセス

Which two statements are true regarding IORM?

• A.IORM only shares out I/O resources between databases.
• B.IORM shares but I/O resources between database and/or categorized workloads.
• C.The IORM flashcachesize parameter guarantees that a database can use a certain amount of flash cache but also limits the database to this value so even if space is available in the cache, the database will not use it.
• D.IORM can be used to control the I/O of a single SQL statement.
• E.The IORM flashcachelimit parameter guarantees that a database can use a certain amount of flash cache but also limits the database to this value so even if space is available in the cache, the database will not use it.

Which two statements are true about configuring IORM?

• A.IORM will only intervene when I/O resources become limited.
• B.Each database is allocated a share value between 1 and 64.
• C.If an Exadata Service has three databases, one with a share value of 2, another with a share value of 4, and the third with a share value of 1, the first database will get two I/Os out of every seven, the second database four I/Os out of every seven, and the last database one I/O out of every seven.
• D.Custom IORM plans can be created using the ALTER IORMPLAN command from SQL *Plus when connected to one of the instances.
• E.If an Exadata Service has three databases, one with a share value of 4, another with a share value of 2, and the third with a share value of 7, and only the first database is doing I/O, it will only receive four I/Os out of every 13.

Your customer is creating a new Database instance in the cloud. According to Oracle documentation, only one SSH public key can be associated with the instance at the time of creation.
Your customer wants to create four additional SSH keys. Identify two ways to accomplish this.

• A.From the Compute Cloud > Network tab, access the security rules and enable the ssh_multiple_access rule. Then you will be able to assign multiple keys to an instance through the Compute Cloud admin utility.
• B.Add additional keys using the 'Add New Key' menu in the Oracle Database Cloud Service console.
• C.As the opc user add additional public keys to the .ssh/authorized_keys file.
• D.According to Oracle documentation, only a single key is supported per instance. Adding more users with their own public keys is not permissible.
• E.Log in to the database virtual machine as the root user, use ssh-keygen to generate four new keys, and assign them to each user in their home directory.

You are responsible for backing up your company's HR database which is hosted in your company's Reading data center. Currently, you back up this database to a local storage device.
You have been asked to reconfigure these backups to make use of the company's subscription to the Oracle Database Backup Cloud Service. What two steps must you take to do this?

• A.Configure a channel to use the cloud backup module library.
• B.Configure backup encryption.
• C.Supply your storage cloud username and password when backing up your database.
• D.Ask your network team to open port 1521 in your company firewall.
• E.Download and install the Oracle Secure Backup Cloud Module.

Your newly created MySQL Cloud Service is not available from your application. Select the two correct options that apply.

• A.Only 'root' is allowed to access from non-localhost.
• B.The MySQL instance is still in the "Creation" process.
• C.You forgot to enable port 3306.
• D.The 'opc' user can be used to access MySQL only with the created SSH-Key.
• E.You forgot to create the correct SSL/TLC certificate during the setup process.