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Latest Oracle 1Z0-1072 Exam Practice Questions and Answers
QUESTION 1
Your company has decided to move a few applications to Oracle Cloud and you have been asked to design it for both
High Availability (HA) and Disaster Recovery (DR). Which two should you consider while designing your Oracle Cloud
Infrastructure architecture? (Choose two.)
A. Region
B. Instance Shape
C. Compartments
D. Availability Domain
Correct Answer: AD
References: https://blogs.oracle.com/cloud-infrastructure/migration-and-disaster-recovery-in-the-oracle-cloud-withrackware
QUESTION 2
Which two options are true for the Autonomous Transaction Processing (ATP) database? (Choose two.)
A. You can add/remove Diskgroup in ATP
B. You can scale storage up or down in ATP
C. You can scale CPU up or down in ATP
D. You can add more Pluggable Database for consolidating multiple databases in ATP
E. You can add new ORACLE_HOME for bringing older versions of on-premises databases to ATP
Correct Answer: BC
You can scale up/down your Autonomous Database to scale both in terms of computing and storage only when needed,
allows people to pay peruse.
Oracle allows you to scale compute and storage independently, no need to do it together. these scaling activities fully
online (no downtime required) in Details page Autonomous Database click Scale-Up/Down. Click on the arrow to select a
value
for CPU Core Count or Storage (TB).
Or Select auto-scaling to allow the system to automatically use up to three times more CPU and IO resources to meet
workload demand, compared to the database operating with auto-scaling disabled.
QUESTION 3
Which service would you use if your big data workload required shared access and NFS-based connectivity?
A. block volume
B. archive storage
C. object storage
D. file storage
Correct Answer: D
QUESTION 4
You want an Oracle Cloud Infrastructure (OCI) compute instance in your compartment to make API calls to other
services within OCI without storing credentials in a configuration file. What do you need to do?
A. Create a dynamic group with appropriate matching rules to include the instance and reference this group in your IAM
policy statement
B. Instances cannot access services outside their compartment
C. VM instances are treated as users. Create a user, assign the user to that VM instance, and reference the instance in
your Identity and Access Management (IAM) policy statement
D. By default, all VM instances are created with an instance principal. Reference this instance principal in your IAM
policy statement
Correct Answer: A
QUESTION 5
You deployed a compute instance (VM.Standard2.16) to run a SQL database. After a few weeks, you need to increase
disk performance by using NVMe disks; the number of CPUs will not change. 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
Correct Answer: D
to Increase disk performance by using NVMe disks you can use Dense IO Shape also as the number of CPUs will not
change so we should VM.DenseIO2.16
QUESTION 6
What happens when you run a terraform plan?
A. It configures, reconfigures, and instantiates resources and their dependencies.
B. It shows the operator the course of action that would be taken if a change is applied.
C. It deletes all existing resources and re-creates them.
D. It shows a dependency graph.
Correct Answer: B
References: The terraform plan command is used to create an execution plan. Terraform performs a refresh, unless
explicitly disabled, and then determines what actions are necessary to achieve the desired state specified in the
configuration files.
This command is a convenient way to check whether the execution plan for a set of changes matches your expectations
without making any changes to real resources or to the state. For example, a terraform plan might be run before
committing a change to version control, to create confidence that it will behave as expected.
QUESTION 7
You have multiple applications installed on a compute instance and these applications generate a large amount of log
files. These log files must reside on the boot volume for a minimum of 15 days and must be retained for at least 60
days. The 60-day retention requirement is causing an issue with available disk space.
What are the two recommended methods to provide additional boot volume space for this compute instance? (Choose
two.)
A. Terminate the instance while preserving the boot volume. Create a new instance from the boot volume and select a
DenseIO shape to take advantage of local NVMe storage.
B. Create an object storage bucket and use a script that runs daily to move log files older than 15 days to the bucket.
C. Create and attach a block volume to the compute instance and copy the log files.
D. Create a custom image and launch a new compute instance with a larger boot volume size.
E. Write a custom script to remove the log files on a daily basis and free up space on the boot volume.
Correct Answer: BD
These log files must reside on the boot volume for a minimum of 15 days so you have to increase the boot Volume
QUESTION 8
Your Operations team has recently created a new, standard image that will be used to launch all-new application
servers in the Finance compartment. The custom image currently exists in the Operations compartment. You have
access to manage all-resources in the Finance compartment and do not have access to the Operations compartment.
Which two methods would make the new image available for you to use when deploying new servers in the Finance
compartment? (Choose two.)
A. Instruct the Operations team to reassign the custom image to the Finance compartment so you can select it from a
drop-down list when launching new computing resources.
B. Instruct the Operations team to export the image to an object storage bucket, create a pre-authenticated request
(PAR), and provide you with the URL. Download the custom image to your laptop and import it as a custom image in the
Finance compartment.
C. Instruct the Administrators team to grant you access to use instance-images in the Operations compartment. Use the
Oracle Cloud Identifier (OCID) of the custom image when launching new compute resources in the Finance
compartment.
D. Instruct the Operations team to export the image to an object storage bucket, create a PAR, and provide you with the
URL. Use that URL as the source when importing a custom image. Import the custom image into the Finance
compartment.
E. Instruct the Operations team to export the image to an object storage bucket. Instruct the Administrators team to
grant you access to the object storage bucket where the custom image is stored. Use the download URL of the custom
image as the image source when launching new compute resources in the Finance compartment.
Correct Answer: CE
QUESTION 9
As the Cloud Architect for your company, you have been tasked with designing a high performance (HPC) cluster in
Oracle Cloud Infrastructure (OCI). The following requirements have been defined:
The cluster must be a minimum of three nodes but may increase to six nodes when demand requires.
The cluster must be resilient to any potential infrastructure failures.
To minimize latency, all nodes must be deployed within the same availability domain (AD).
Adding or replacing nodes within the cluster should take no more than 30 minutes.
Which two steps should be performed to satisfy these requirements in OCI? (Choose two.)
A. Deploy the cluster in a single AD with a shared file system that leverages the file storage service (FSS). Deploy a
standby cluster in another AD and configure it to use the same shared file system.
B. Deploy the cluster in a single AD. Place each of the nodes in one of the three different fault domains in that AD.
C. Create a backup of your HPC node computes instance boot volume. Launch new compute instances directly from the
backup reduces provisioning time.
D. Create a custom image of your HPC node compute instance. Launch new compute instances using this image to
reduce provisioning time.
E. Deploy the cluster in a single AD. Place each of the nodes in a different virtual cloud network (VCN) subnet.
Correct Answer: BD
A fault domain is a grouping of hardware and infrastructure within an availability domain. Each availability domain
contains three fault domains. Fault domains provide anti-affinity: they let you distribute your instances so that the
instances are not on the same physical hardware within a single availability domain. A hardware failure or Compute
hardware maintenance event that affects one fault domain does not affect instances in other fault domains. In addition,
the physical hardware in a fault domain has independent and redundant power supplies, which prevents a failure in the
power supply hardware within one fault domain from affecting other fault domains.
To control the placement of your computes instances, bare metal DB system instances, or virtual machine DB system
instances, you can optionally specify the fault domain for a new instance or instance pool at launch time. If you don\\’t
specify the fault domain, the system selects one for you. Oracle Cloud Infrastructure makes a best-effort anti-affinity
placement across different fault domains, while optimizing for available capacity in the availability domain. To change
the fault domain for an instance, terminate it and launch a new instance in the preferred fault domain.
Use fault domains to do the following things:
Protect against unexpected hardware failures or power supply failures.
Protect against planned outages because of Compute hardware maintenance.
QUESTION 10
Which two statements are true about Oracle Cloud Infrastructure (OCI) DB Systems Data Guard service?
A. Both DB systems must use the same VCN, and port 1521 must be open
B. Data Guard configuration on the OCI is limited to a virtual machine only
C. Data guard implementation for Bare Metal shapes requires two DB Systems, one containing the primary database
and one containing the standby database.
D. Data guard implementation requires two DB Systems, one running the primary database on a virtual machine and the
standby database running on bare metal.
Correct Answer: AC
An Oracle Data Guard implementation requires two DB systems, one containing the primary database and one
containing the standby database. When you enable Oracle Data Guard for a virtual machine DB system database, a
new DB system with the standby database is created and associated with the primary database. For a bare metal DB
system, the DB system with the database that you want to use as the standby must already exist before you enable
Oracle Data Guard.
Requirement details are as follows:
-Both DB systems must be in the same compartment.
–
The DB systems must be the same shape type (for example, if the shape of the primary database is a virtual machine,
then the shape of the standby database can be any other virtual machine shape).
–
If your primary and standby databases are in different regions, then you must peer the virtual cloud networks (VCNs)
for each database.
–
Configure the security list ingress and egress rules for the subnets of both DB systems in the Oracle Data Guard
association to enable TCP traffic to move between the applicable ports. Ensure that the rules you create are stateful
(the default).
QUESTION 11
Which two statements are true regarding cloning a block volume?
A. You can change the block volume performance when creating a clone
B. You can clone block volumes across regions
C. C. You can change the block volume size when creating a clone
D. D. You can skip block volume encryption when creating a clone
Correct Answer: AC
You can create a clone from a volume using the Block Volume service. Cloning enables you to make a copy of an
existing block volume without needing to go through the backup and restore process.
A cloned volume is a point-in-time direct disk-to-disk deep copy of the source volume, so all the data that is in the
source volume when the clone is created is copied to the clone volume.
You can only create a clone for a volume within the same region, availability domain, and tenant. You can create a clone
for a volume between compartments as long as you have the required access permissions for the operation.
during create a clone you can do the following
If you want to clone the block volume to a larger size volume, check Custom Block Volume Size (GB) and then specify
the new size. You can only increase the size of the volume, you cannot decrease the size. If you clone the block volume
to a larger size volume, you need to extend the volume\\’s partition. See Extending the Partition for a Block Volume for
more information. If you want to change the elastic performance setting when cloning the volume, check Custom Block
Volume Performance and select the elastic performance setting you want the volume clone to use. See Block Volume
Elastic Performance for more information. You can also change the elastic performance setting after you have cloned
the volume, see Block Volume Elastic Performance. If you leave Custom Block Volume Performance unchecked, the
cloned volume will use the same elastic performance setting as the source volume.
QUESTION 12
Which tool can automatically install Oracle Cloud Infrastructure CLI?
A. Python
B. RPM
C. APT
D. PIP
Correct Answer: D
References: https://docs.cloud.oracle.com/iaas/Content/API/SDKDocs/climanualinst.htm
QUESTION 13
You have an application running on Oracle Cloud Infrastructure. You Identified that the read and write operations are
slowing your application down enough to impair user access. The application is currently using a VM.Standard2.1
compute without any block storage attached to it.
Which two options allow you to increase disk IOPS performance?
A. Terminate the compute instance preserving the boot volume. Create a new compute instance using the
VM.DenseI02.8 shape using the boot volume preserved and use the NVMe devices to host your application.
B. Terminate the compute instance preserving the boot volume. Create a new compute instance using the
VM.Standard2.2 shape using the boot volume preserved and attach a new block volume to host your application.
C. Terminate the compute instance preserving the boot volume. Create a new compute instance using the
VM.Standard2.2 shape using the boot volume preserved, but no block volume attached.
D. Terminate the compute instance preserving the boot volume. Create a new compute instance using the BM.GPU2.2
shape using the boot volume preserved, but no block volume attached.
Correct Answer: AD
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