[Free] 2018(Jan) EnsurePass Passguide Oracle 1z0-160 Dumps with VCE and PDF 21-30

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Oracle Database Cloud Service

Question No: 21

Oracle provides additional web-based tools for monitoring Database as a Service (DBaaS) instances. One of the tools is DBaaS Monitor Console.

Which user would you have to log in as to use this tool?

  1. dbsnmp

  2. sys

  3. dbaas_monitor

  4. sysman

Answer: C Explanation:

To access Oracle DBaaS Monitor when the HTTPS port is unblocked:

References: Using Oracle Database Cloud Service (February 2018), 10-2 https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/using-oracle-database- cloud-service.pdf

Question No: 22

Which three statements are true about SSH tunnels in a Database as a Service (DBaaS) Cloud configuration?

  1. A separate SSH tunnel is required for each port that is required for the environment.

  2. The SSH tunnel should include all required portsfor the environment.

  3. The available protocols include ssh-2 DSA.

  4. The default protocol is ssh-1 RSA.

  5. The SSH tunnel is opened automatically by the Cloud Services VPN and remains open.

  6. The SSH tunnel must be opened manually and must remain open.

Answer: A,C,F Explanation:

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Incorrect Asnwes:

B: You can only specify the source port, and the destination port. D: The default protocol is ssh-2 RSA-

References:http://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/javaservice/J CS/JCS_SSH/create_sshkey.html

https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/create-ssh-tunnel.html

Question No: 23

Which three statements are true about the service levels provided by Database as a Service (DBaaS)?

  1. The Virtual Image service level provides a pre-created database.

  2. The Virtual Image service level provides tools for backupsand patching.

  3. The automated service provides a pre-installed virtual machine image.

  4. The automated service provides a pre-created database.

  5. The cloud tooling within the automated service level provides a tool for point-in-time database recovery.

Answer: B,D,E

Question No: 24

You are preparing the storage volume for use in an instance. Which two tasks must you perform?

  1. Point to a mount point that has existing files and directories.

  2. Connect to the DBaaS instance to which you attached the storage volume by using ssh or PuTTY as theopcuser.

  3. Create a mount point on your instance.

  4. Connect to the DBaaS instance to which you attached the storage volume by using ssh or PuTTY as theoracleuser.

Answer: A,C Explanation:

To add temporary storage to a database deployment:

References: Using Oracle Database Cloud Service (February 2018), 4-4 https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/using-oracle-database- cloud-service.pdf

Question No: 25

How do you access “none default ports” on your DBaaS VM server?

  1. Review a file calledportlist.iniin your installation directory to acquire the list of “none default ports” that are assigned to your VM server.

  2. You file a service request with your DBaaS support team to have the “none default ports” opened for use.

  3. You create an SSH tunnel to the “none default port”.

  4. All communication to DBaaS services must be configured only by using the default ports that are assigned to your VM server during the installation of yourDBaaS instances.

Answer: B Explanation:

To enable access to a compute node port, you enable the appropriate security rule.When you enable one of the predefined security rules, the given port on the computenode is opened to the public internet. To enable access to a different port, or restrictaccess to a port, you must create a security rule.

Note:When a database deployment is created, the following Oracle Compute Cloud Servicesecurity rules are created, but set to a disabled status.

References: References: Using Oracle Database Cloud Service (February 2018), page 3-7 https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/using-oracle-database- cloud-service.pdf

Question No: 26

Which three will be supported after migrating an on-premises database to a Database as a Service (DBaaS) instance on Oracle Cloud?

  1. increased security of application roles

  2. reduction in operational costs

  3. ability to increase capacity on demand

  4. provisioning of application testing

  5. centralization of database management

Answer: C,D,E Explanation:

References:https://www.oracle.com/database/solutions/private-dbaas.html

Question No: 27

You want all your colleagues to be able to access the compute node associated with an Oracle Database Cloud – Database as a Service (DBaaS) instance. You want them to do so by using a custom host name rather than an IP address regardless of the client machine (personal or provided by the company) that they use for the access.

How would you enable this access?

  1. Configure the Advanced Security Option (ASO).

  2. Enable secure access to the DBaaS instance VM and database instance from remote hosts by using SSH.

  3. Contact the administrator of your company’s intranet DNS and request a custom DNS record for the compute node’s public IP address.

  4. Edit the machine’s/etc/hostsfile.

  5. Resolve your domain name to the IP address of the DBaaS compute node by using the third-party domain registration vendor console.

Answer: C Explanation:

You can associate a custom host name or domain name to the public IP address of a compute node associated with your Oracle Database Cloud Service environment.

To associate a custom host name to the public IP address of a compute node, contact the administrator of your DNS (Domain Name Service) and request a custom DNS record for the compute node’s public IP address. For example, if your domain is example.com and you wanted to use clouddb1 as the custom host name for a compute node, you would request a DNS record that associates clouddb1.example.com to your compute node#39;s public IP address.

References:https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/define-

custom-host-or-domain-name.html

Question No: 28

Which two statements are true about the information that you see on the Database Cloud Service page?

  1. It shows the date the instance was last accessed.

  2. It shows the number of active sessions for each instance in your domain.

  3. It shows the total memory forall instances in your domain.

  4. It lists the memory for each instance in your domain.

  5. It shows the name of each database instance.

Answer: C,E Explanation:

The Oracle Database Cloud Service Services page displays all deployments on Oracle Database Cloud Service.

Use the Oracle Database Cloud Service Services page to perform thefollowingtasks:

Deleting a Database Deployment

The Activity page displays activities for all Oracle Database Cloud Service deployments in your identity domain.

Example:

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References:http://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/sscs/Provisio nDB/SOACS_prereq _DBCS.html

https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/service-console- services-page.html

Question No: 29

Where is the Oracle Database Cloud software for monitoring and backup installed?

  1. The Oracle Database Cloud software is located in the Database Automatic Diagnostic Repository (ADR).

  2. The installation is done at/var/opt/oracle/dbaascliand/var/opt/oracle/bkup_api.

  3. The location must be set during installation as user-defined locations for the installation to start.

  4. The location is based on Oracle Flex Architecture, which is similar to non-DBaaS systems.

Answer: B

Explanation:

When a database deployment is created using the Oracle Database Cloud Serviceservice level, software is installed in the following locations.

  • bkup_api utility /var/opt/oracle/bkup_api

  • dbaascli utility /var/opt/oracle/dbaascli

  • Oracle RESTData Services /u01/app/oracle/product/apex_listener

  • Oracle Database

    $ORACLE_HOME:

    Note: Using the dbaascli utility, you can performoperations like:

    References: Using Oracle Database Cloud Service (February 2018), A-4 https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/using-oracle-database- cloud-service.pdf

    Question No: 30

    You get complaints from users of several different applications that performance has degraded over time.

    These applications run in this configuration:

    A check of wait events for the sessions belonging to these applications shows that the sessions are waiting longer and that there are more sessions from other applications in the same database instance.

    You wish to avoid scaling up your Database as a Service (DBaaS) instance in Oracle Cloud.

    Which four should you check and possibly reconfigure to avoid the need to scale up the DBaaS instance?

    1. Modify the users that are using each application so that their sessions are associated with the correct consumer group in the PDB that is hosting their application.

    2. Check the CDB plan to configure the shares allocated to all PDBs, including the PDBs that containthe two poorly performing applications.

    3. Check the CDB plan only to configure the shares allocated to the PDBs that contain the two poorly performing applications.

    4. Create separate consumer groups for the sessions for all applications in the PDB plansfor the PDBs that are hosting the two poorly performing applications.

    5. Check the PDB plan for all the PDBs in the CDB, including the PDB that is hosting the two poorly performing applications.

    6. Create a PDB plan for each PDB in the CDB that has poorlyperforming applications.

    7. Create a separate CDB plan for each PDB that has poorly performing applications.

    Answer: A,B,D,F

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