Vendor: Oracle
Certifications: Oracle Certifications
Exam Code: 1Z0-160
Exam Name: Oracle Database Cloud Service
Updated: May 25, 2026
Q&As: 86 ( View Details)
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How do you enable a default connection between Database Deployment?
A. by creating security lists and adding the instances that you want to communicate to these lists
B. by creating dedicated communication keys and setting them to be used only for your Database Deployment-to-Deployment communication
C. by creating nothing for communication between the Database Deployment because all instances are interconnected by default
D. by installing and configuring the NETMGR utility for your database cloud, and then using it to set up the required communication channels
Correct Answer: A
Explanation:
Before your DBaaS database was created, you or a coworker generated a private and public SSH key
pair, perhaps using PuTTY Key Generator.
The public key was specified when your database instance was created; a copy of that public key was
stored in the VM hosting your database. When you define in PuTTY an SSH connection to the VM hosting your database, you will specify a copy of the private key stored on your local PC. When you initiate a PuTTY connection, the VM compares the private key to the matching public key stored in the VM. The VM permits the connection when the private and public key match as a valid key pair.
References: http://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/dbaas/ obe_dbaas_connecting_to_an_instance/obe_dbaas_connecting_to_an_instance.html
Which two can be increased to scale up the compute shape of a Database Deployment in Oracle Database Cloud Service?
A. Add more memory to the Database Deployment by using the Scale up button on the Oracle Database Cloud Service Overview page.
B. Add more storage to the Database Deployment by using the Scale up button on the Oracle Database Cloud Service Overview page.
C. Add more network adaptors (NICs) to the storage network used by the Database Deployment by using the Scale Up button on the Oracle Database Cloud Service Overview page.
D. Add more network adaptors (NICs) to the public access network used by the Database Deployment by using the Scale Up button on the Oracle Database Cloud Service Overview page.
E. Add more CPUs to the Database Deployment by using the Scale Up button on the Oracle Database Cloud Service Overview page.
Correct Answer: AE
Explanation:
Occasionally, the need to scale arises from some change made to the database or backup configuration
after it was created. For example, if the decision to use the In-Memory Database option was made after
database creation, you might need to scale up the compute shape to one of the high-memory options,
such as scaling from "OC4 - 2 OCPU, 15 GB RAM" to "OC2M - 2 OCPU, 30 GB RAM".
Note: To scale the compute shape for a database deployment:
1) View the overview page for the database deployment:
a) Open the Oracle Database Cloud Service console.
b) Click the name of the deployment you want to scale.
The Oracle Database Cloud Service Overview page is displayed.
1.
2. Choose the scaling command.
The Scale Up/Down Service overlay is displayed. Note that the overlay includes information about the
current compute shape.
2.
Select a new compute shape.
3.
Click Yes, Scale Up/Down Service to scale the database deployment.
The scaling operation begins. The database deployment is in Maintenance status and unavailable while
the scaling operation is in progress.
References: https://docs.oracle.com/cloud-machine/latest/dbcs_dbaas/CSDBI/GUID-457D283C-D8904B4F-B65C-26D05B4C80CC.htm#CSDBI3339
You want to control network traffic among your DBaaS instances.
Which two statements are true about network groups?
A. By default, the DBaaS instances in a network group are accessible from hosts outside the network group.
B. You can add a DBaaS instance to a network group, but this enables communication only within this network group.
C. You can add a DBaaS instance to a network group, thus enabling communication with all other DBaaS instances both inside and outside the network group.
D. You can create a network group to enable unrestricted communication among your DBaaS instances.
E. DBaaS prevents network groups from having unrestricted communication among DBaaS instances.
Correct Answer: BE
Explanation:
Network groups provide a method for VMs to be grouped together for communications and firewall rules.
You can define network groups to allow VMs within a group to communicate with each other, while also
preventing those VMs from communicating outside the group.
Note:
Access rule. Access rules define the permitted paths of communication for VMs that are within a network
group. You can define an access rule to enable a specific path of communication between two network
groups, or between a network group and a specified list of IP addresses.
References: http://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/dbaas/OU/IntroDBaaS/
ConfiguringNetworkSettings/ConfiguringNetworkSettings.html#section2s2
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