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Free Oracle 1Z0-1072-22 Exam Questions (page: 4)

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PDF with 255 Questions

Which two components cannot be deleted in your Oracle Cloud Infrastructure Virtual Cloud Network? (Choose two.)

  1. Service gateway
  2. Default security list
  3. Routing gateway
  4. Default route table
  5. Default subnet

Answer(s): B,D


Reference:

https://www.oracle.com/a/ocom/docs/vcn-deployment-guide.pdf (4)



A financial firm is designing an application architecture for its online trading platform that must have high availability and fault tolerance.
Their solutions architect configured the application to use an Oracle Cloud Infrastructure Object Storage bucket located in the US West (us-phoenix-1) region to store large amounts of financial data. The stored financial data in the bucket must not be affected even if there is an outage in one of the Availability Domains or a complete region.
What should the architect do to avoid any costly service disruptions and ensure data durability?

  1. Create a new Object Storage bucket in another region and configure lifecycle policy to move data every 5 days.
  2. Create a lifecycle policy to regularly send data from Standard to Archive storage.
  3. Copy the Object Storage bucket to a block volume.
  4. Create a replication policy to send data to a different bucket in another OCI region.

Answer(s): A



As a solution architect, you are showcasing the Oracle Cloud Infrastructure (OCI) Object Storage feature about Object Versioning to a customer.
Which statement is true in regards to OCI Object Storage Versioning?

  1. Object versioning does not provide data protection against accidental or malicious object update, overwrite, or deletion.
  2. By default, object versioning is disabled on a bucket.
  3. A bucket that is versioning-enabled can have only and always will have a latest version of the object in the bucket.
  4. Objects are physically deleted from a bucket when versioning is enabled.

Answer(s): A


Reference:

https://docs.cloud.oracle.com/en-us/iaas/Content/Object/Tasks/usingversioning.htm



You created a public subnet and an internet gateway in your virtual cloud network (VCN) of Oracle Cloud Infrastructure. The public subnet has an associated route table and security list. However, after creating several compute instances in the public subnet, none can reach the Internet.
Which two are possible reasons for the connectivity issue? (Choose two.)

  1. The route table has no default route for routing traffic to the internet gateway.
  2. There is no stateful egress rule in the security list associated with the public subnet.
  3. There is no dynamic routing gateway (DRG) associated with the VCN.
  4. There is no stateful ingress rule in the security list associated with the public subnet.
  5. A NAT gateway is needed to enable the communication flow to internet.

Answer(s): A,B

Explanation:

An internet gateway as an optional virtual router that connects the edge of the VCN with the internet. To use the gateway, the hosts on both ends of the connection must have public IP addresses for routing. Connections that originate in your VCN and are destined for a public IP address (either inside or outside the VCN) go through the internet gateway. Connections that originate outside the VCN and are destined for a public IP address inside the VCN go through the internet gateway.

Working with Internet Gateways
You create an internet gateway in the context of a specific VCN. In other words, the internet gateway is automatically attached to a VCN. However, you can disable and re-enable the internet gateway at any time. Compare this with a dynamic routing gateway (DRG), which you create as a standalone object that you then attach to a particular VCN. DRGs use a different model because they're intended to be modular building blocks for privately connecting VCNs to your on-premises network.
For traffic to flow between a subnet and an internet gateway, you must create a route rule accordingly in the subnet's route table (for example, destination CIDR = 0.0.0.0/0 and target = internet gateway). If the internet gateway is disabled, that means no traffic will flow to or from the internet even if there's a route rule that enables that traffic. For more information, see Route Tables. For the purposes of access control, you must specify the compartment where you want the internet gateway to reside. If you're not sure which compartment to use, put the internet gateway in the same compartment as the cloud network. For more information, see Access Control.
You may optionally assign a friendly name to the internet gateway. It doesn't have to be unique, and you can change it later. Oracle automatically assigns the internet gateway a unique identifier called an Oracle Cloud ID (OCID). For more information, see Resource Identifiers.
To delete an internet gateway, it does not have to be disabled, but there must not be a route table that lists it as a target.
AS per compute instances can connect to the Internet so you use egress no ingress



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