Not all migration methods apply to all migration scenarios. Many of the migration methods apply only if specific characteristics of the source and destination databases match or are compatible. Moreover, additional factors can affect which method you choose for your migration from among the methods that are technically applicable to your migration...
Wednesday, July 29, 2020
Q2 Question 33 Explanation
Oracle Cloud Infrastructure Streaming
OCI Streaming service provides a fully managed, scalable, durable storage option for continuous, high-volume streams of data that you can consume and process in real-time
Use cases
Streaming can be used for messaging, ingesting high volume data such as application log data, operational telemetry data, web...
Q2 Question 32 Explanation
You can change the shape of a virtual machine (VM) instance without having to rebuild your instances or redeploy your applications. This lets you scale up your Compute resources for increased performance, or scale down to reduce cost.
When you change the shape of an instance, you select a different processor, number of cores, amount of...
Q2 Question 31 Explanation
Object Lifecycle Management works by defining rules that instruct Object Storage to archive or delete objects on your behalf within a given bucket. A bucket's lifecycle rules are collectively known as an object lifecycle policy.
You can use a rule to either archive or delete objects and specify the number of days until the specified action is taken.
A...
Q2 Question 30 Explanation
in Transit routing through a private IP in the VCN you set up an instance in the VCN to act as a firewall or intrusion detection system to filter or inspect the traffic between the on-premises network and Oracle Services Network.
The Networking service lets you implement network security functions such as intrusion detection, application-level...
Q2 Question 29 Explanation
Oracle Functions is a fully managed, multi-tenant, highly scalable, on-demand, Functions-as-a-Service platform. It is built on enterprise-grade Oracle Cloud Infrastructure and powered by the Fn Project open source engine. Use Oracle Functions (sometimes abbreviated to just...
Q2 Question 28 Explanation
Federating with Microsoft Azure Active Directory
To federate with Azure AD, you set up Oracle Cloud Infrastructure as a basic SAML single sign-on application in Azure AD. To set up this application, you perform some steps in the Oracle Cloud Infrastructure Console and some steps in Azure AD.
Following is the general process an administrator goes...
Q2 Question 27 Explanation
Oracle Cloud Infrastructure Vault lets you centrally manage the encryption keys that protect your data and the secret credentials that you use to securely access resources. You can use the Vault service to create and manage the following resources:
Vaults
Keys
Secrets
Vaults securely store master encryption keys and secrets that you might otherwise...
Q2 Question 26 Explanation
you can monitor the health, capacity, and performance of functions you've deployed to Oracle Functions by using metrics
Oracle Functions monitors function execution, and collects and reports metrics such as:
The number of times a function is invoked.
The length of time a function runs for.
The number of times a function failed.
The number...
Q2 Question 25 Explanation
You can define the members of the dynamic group based on the following:
- compartment ID
- instance ID
- tag namespace and tag key
- tag namespace, tag key, and tag value
Supported variables are:
instance.compartment.id - the OCID of the compartment where the instance resides
instance.id - the OCID of the instance
tag.<tagnamespace>.<tagkey>.value -...
Q2 Question 24 Explanation
Migrating an On-Premises Database to Oracle Cloud Infrastructure by Creating a Backup in the Cloud
You can migrate an on-premises database to Oracle Cloud Infrastructure by creating a backup of your on-premises database in Oracle Cloud Infrastructure's Database service.
Oracle provides a Python script to create a backup of your database. The script...
Q2 Question 23 Explanation
STEERING POLICIES is A framework to define the traffic management behavior for your zones. Steering policies contain rules that help to intelligently serve DNS answers.
FAILOVER
Failover policies allow you to prioritize the order in which you want answers served in a policy (for example, Primary and Secondary). Oracle Cloud Infrastructure...
Q2 Question 22 Explanation
Subnet or VCN Deletion
To delete a VCN, it must first be empty and have no related resources or attached gateways
To delete a VCN's subnets, they must first be empty.
Note:
When you create one of the preceding resources, you specify a VCN and subnet for it. The relevant service creates at least one VNIC in the subnet and attaches...
