Free Access Oracle.1Z0-1072-20.v2022-07-18.q113 Practice Test (Page 8)

Question 31

You deployed an Oracle Cloud Infrastructure (OCI) compute instance (VM.Standard2.16) to run a SQL database. After a few weeks, you need to increase disk performance by using NVMe disks but keeping the same number of CPUs. As a first step, you terminate the instance and preserve the boot volume.
What is the next step?

A.Create a new instance using a VM.DenseIO2.16 shape using the preserved boot volume and move the SQL Database data to block volume

B.Create a new instance using a VM.DenseIO2.8 shape using the preserved boot volume and move the SQL Database data to NVMe disks

C.Create a new instance using a VM.Standard1.16 shape using the preserved boot volume and move the SQL Database data to NVMe disks

D.Create a new instance using a VM.DenseIO2.16 shape using the preserved boot volume move the SQL Database data to NVMe disks

Question 32

You have been notified of an application failure indicating that one or more of the Oracle Cloud Infrastructure (OCI) resources have become unavailable. After scanning the Compute and Database consoles, you notice that one of the DB Systems is missing.
What would you do to identify the reason for this missing resource?

A.Navigate to the Audit console and search the previous 24 hours for all DELETE request actions to get a list of any resource that was deleted in the past 24 hours.

B.Navigate to the Audit console and search the previous 24 hours for all the GET request actions to get a list of every event that occurred in the past 24 hours.

C.View the service limits associated with your account to ensure that you have not exceeded the allowable number of DB Systems in your tenancy.

D.Create a serial console connection to the DB System that does not appear in the management console. Connect to the serial console connection, and then review the system logs under /var/log/messages.

Question 33

Which two statements about Oracle Cloud Infrastructure File Storage Service are accurate? (Choose two.)

A.Customer can encrypt the communication to a mount target via export options.

B.Mount targets use Oracle-managed keys by default.

C.File systems use Oracle-managed keys by default.

D.Customer can encrypt data in their file system using their own Vault encryption key.

E.Communication with file systems in a mount target is encrypted via HTTPS.

Question 34

You need to set up instance principals so that an application running on an instance can call Oracle Cloud Infrastructure (OCI) public services, without the need to configure user credentials.
A developer in your team has already configured the application built using an OCI SDK to authenticate using the instance principals provider.
Which is NOT a necessary step to complete this set up?

A.Create a dynamic group with matching rules to specify which instances you want to allow to make API calls against services.

B.Generate Auth Tokens to enable instances in the dynamic group to authenticate with APIs.

C.Create a policy granting permissions to the dynamic group to access services in your compartment or tenancy.

D.Deploy the application and the SDK to all the instances that belong to the dynamic group.

Question 35

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.)

A.The route table has no default route for routing traffic to the internet gateway.

B.There is no stateful egress rule in the security list associated with the public subnet.

C.There is no dynamic routing gateway (DRG) associated with the VCN.

D.There is no stateful ingress rule in the security list associated with the public subnet.

E.A NAT gateway is needed to enable the communication flow to internet.

Correct Answer: A,B

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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