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Welcome to Oracle 1Z0-1072-20 practice test online
QUESTION 1
You are designing a high bandwidth, the redundant connection between your data center and Oracle Cloud Infrastructure
(OCI). While researching for OCI FastConnect locations, you notice that you are co-located with Oracle at one of the
Oracle
FastConnect locations in the Ashburn region.
What is the recommended design in this scenario?
A. Create a cross-connect group and have two or more cross-connects in that group. Create an IPsec VPN connection
on this group.
B. Setup two IPsec connections between your data center and OCI Ashburn region. Create an OCI load balancer to
distribute the traffic across the two connections.
C. Create a cross-connect group and have at least two or more cross-connects in that group. Create at least two or
more virtual circuits in the group.
D. Create a cross-connect group and have at least one cross-connect in that group. Create at least one virtual circuit in
the group.
Correct Answer: C
You could have multiple private virtual circuits, for example, to isolate traffic from different parts of your organization
(one virtual circuit for 10.0.1.0/24; another for 172.16.0.0/16), or to provide redundancy.
QUESTION 2
Which two options are available within the service console of Autonomous Transaction Processing?
A. Monitor the health of the database server including CPU, memory, and query performance
B. Configure resource management rules and reset the admin password
C. Perform a manual backup of the ATP database
D. Fine-tune a long-running query using optimizer hints
Correct Answer: AB
QUESTION 3
You must implement a backup solution for your Autonomous Data Warehouse (ADW) that will enable you to restore
data as old as one year with a recovery point objective (RPO) of 10 days. Which database backup strategy would you
select?
A. Take weekly manual backups to supplement the automated backups and preserve them for 12 months.
B. Use automated backups.
C. Take monthly manual backups to supplement the automated backups and preserve them for 12 months.
D. Take quarterly manual backups to supplement the automated backups and preserve them for 12 months.
Correct Answer: B
Oracle Cloud Infrastructure automatically backs up your Autonomous Databases and retains these backups for 60 days.
Automatic backups are weekly full backups and daily incremental backups. You can also create manual backups to
supplement your automatic backups. Manual backups are stored in an Object Storage bucket that you create and are
retained for 60 days The retention period for manual backups is the same as automatic backups which are 60 days. So
we cannot preserve the backup for 12 months https://docs.oracle.com/en/cloud/paas/autonomous-data-warehousecloud/user/backup- manual.html#GUID-D95E5D6A-C470-4A68-9545-CC99D937E7D1
QUESTION 4
When terminating a compute instance, which statement is true?
A. The instance needs to be stopped first and then terminated.
B. The boot volume is always deleted.
C. All block volumes attached to the instance are terminated.
D. Users can preserve the boot volume associated with the instance.
Correct Answer: D
You can permanently terminate (delete) instances that you no longer need. Any attached VNICs and volumes are
automatically detached when the instance terminates. Eventually, the instance\\’s public and private IP addresses are
released and become available for other instances. By default, the instance\\’s boot volume is deleted when you
terminate the instance, however, you can preserve the boot volume associated with the instance so that you can attach
it to a different instance as a data volume, or use it to launch a new instance.
QUESTION 5
You have an application deployed in Oracle Cloud Infrastructure running only in the Phoenix region. You were asked to
create a disaster recovery (DR) plan that will protect against the loss of critical data
A. The DR site must be at least 500 miles from your primary site and data transfer between the two sites must not
traverse the public Internet. Which is the recommended disaster recovery plan?
B. Create a new virtual cloud network (VCN) in the Phoenix region and create a subnet in one availability domain (AD)
that is not currently being used by your production systems. Establish VCN peering between the production and DR
sites.
C. Create a DR environment in Ashburn. Associate a DRG with the VCN in each region and create a remote peering
the connection between the two VCNs.
D. Create a DR environment in Ashburn and provision a FastConnect virtual circuit using DRG between the regions.
E. Create a DR environment in Ashburn. Associate a dynamic routing gateway (DRG) with the VCN in each region and
configure an IPsec VPN connection between the two regions.
Correct Answer: B
Remote VCN peering is the process of connecting two VCNs in different regions (but the same tenancy ). The peering
allows the VCNs\\’ resources to communicate using private IP addresses without routing the traffic over the internet or
through your on-premises network. Without peering, a given VCN would need an internet gateway and public IP
addresses for the instances that need to communicate with another VCN in a different region.
At a high level, the Networking service components required for remote peering include:
-Two VCNs with non-overlapping CIDRs, in different regions that support remote peering. The VCNs must be in the
same tenancy.
– A dynamic routing gateway (DRG) attached to each VCN in the peering relationship. Your VCN already has a DRG if
you\\’re using an IPSec VPN or an Oracle Cloud Infrastructure FastConnect private virtual circuit.
A remote peering connection (RPC) on each DRG in the peering relationship.
A connection between those two RPCs.
Supporting route rules to enable traffic to flow over the connection, and only to and from select subnets in the respective
VCNs (if desired).
Supporting security rules to control the types of traffic allowed to and from the instances in the subnets that need to
communicate with the other VCN.
QUESTION 6
Which statement is true about restoring a block volume from a manual or policy-based block volume backup?
A. It can be restored as new volumes to any Availability Domain within the same region.
B. It must be restored as new volumes to the same Availability Domain on which the original block volume backup resides.
C. It can be restored as new volumes to any Availability Domain across different regions.
D. It can be restored as new volumes with different sizes from the backups.
Correct Answer: A
QUESTION 7
A customer wants to do development on-premise while leveraging services such as Java Cloud, Mobile Developer
Cloud, and App Builder Services. The customer would also like to scale out the application, stretching from on-premises
to the cloud by using a common API. Which two Infrastructure options can the customer leverage to do this? (Choose
two.)
A. Oracle Cloud at Customer
B. Oracle Cloud Infrastructure Classic
C. Oracle Cloud Ravello service
D. Oracle Cloud Infrastructure
Correct Answer: AD
QUESTION 8
You are designing a lab exercise for your team that has a large number of graphics with large file sizes. The application
becomes unresponsive if the graphics are embedded in the application. You have uploaded the graphics to Oracle
Cloud
Infrastructure and only added the URL in the application. You need to ensure these graphics are accessible without
requiring any authentication for an extended period of time.
How can you achieve these requirements?
A. Create pre-authenticated requests (PAR) and specify 00:00:0000 as the expiration time.
B. Make the object storage bucket private and all objects public and use the URL found in the Object “Details”.
C. Make the object storage bucket public and use the URL found in the Object “Details”.
D. Create PARs and do not specify an expiration date.
Correct Answer: C
Pre-authenticated requests provide a way to let you access a bucket or an object without having your own credentials.
For example, you can create a request that lets you upload backups to a bucket without owning API keys.
When you create a bucket, the bucket is considered a private bucket, and access to the bucket and bucket contents
requires authentication and authorization. However, Object Storage supports anonymous, unauthenticated access to a bucket. You make a bucket public by enabling read access to the bucket.
pre-authenticated requests have to select an expiration date
QUESTION 9
Which statement Is true about Data Guard implementation in Oracle Cloud Infrastructure (OCI) bare metal and virtual
machine database systems?
A. Primary and standby databases must be in the same OCI region.
B. Both database systems must be in the same compartment.
C. Database systems need not be the same shape type (e.g, the primary database can be a virtual machine, and standby
database a bare metal shape, and vice versa).
D. Primary and standby database versions and editions need not be Identical.
Correct Answer: B
Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/Database/Tasks/exausingdataguard.htm
QUESTION 10
You are the Cloud Architect of a company and are designing a solution on Oracle Cloud Infrastructure where you want
to have all your compute instances resistant to hardware failure. Which two are recommended best practices to achieve
the requirement on Oracle Cloud Infrastructure? (Choose two.)
A. Create a custom image of your system drive each time you change the image.
B. Attach block volumes from different Availability Domains to compute instances in different Availability Domains for
high availability.
C. Design your system with redundant compute modes in different Availability Domains to support the failover
capability.
D. Create backups of your block volumes that are associated with compute instances in different regions.
Correct Answer: AC
References:
https://docs.cloud.oracle.com/iaas/Content/Compute/References/bestpracticescompute.htm System Resilience
Oracle Cloud Infrastructure runs on Oracle\\’s high-quality Sun servers. However, any hardware can experience a
failure. Follow industry-wide hardware failure best practices to ensure the resilience of your solution. Some best
practices
include:
Design your system with redundant compute nodes in different availability domains to support fail-over capability.
Create a custom image of your system drive each time you change the image. Back up your data drives, or sync to
spare drives, regularly. If you experience a hardware failure and have followed these practices, you can terminate the
failed
instance, launch your custom image to create a new instance and then apply the backup data.
QUESTION 11
Your company is developing a new database application in Oracle Cloud Infrastructure. You need to test application
functionality including a hardware failure scenario. Since the application is still in the development phase, you want to
minimize infrastructure costs. Which database service deployment option meets this requirement?
A. two node real application cluster (RAC) system
B. Autonomous Data Warehouse (ADW) system as it provides auto fail over functionality
C. two node bare metal system with data guard enabled
D. single node bare metal system
Correct Answer: A
QUESTION 12
Which option lists Virtual Cloud Networks (VCNs) that can be peered?
A. VCN A (172.16.0.0/24) and VCN B (172.16.0.0/28)
B. VCN A (10.0.0.0/16) and VCN B (10.1.0.0/16)
C. VCN A (10.0.2.0/16) and VCN B (10.0.2.0/25)
D. VCN A (10.0.0.0/16) and VCN B (10.0.16.0/24)
Correct Answer: B
QUESTION 13
You have created a virtual cloud network (VCN) with three private subnets. Two of the subnets contain application
servers and the third subnet contains a DB System. The application requires a shared file system so you have
provisioned one using the file storage service (FSS). You also created the corresponding mount target in one of the
application subnets. The VCN security lists are properly configured so that both application servers and the DB System
can access the file system. The security team determines that the DB System should have read-only access to the file
system. What change would you make to satisfy this requirement?
A. Create an NFS export option that allows READ_ONLY access where the source is the CIDR range of the DB System
subnet.
B. Connect via SSH to one of the application servers where the file system has been mounted. Use the Unix command
chmod to change permissions on the file system directory, allowing the database user read-only access.
C. Modify the security list associated with the subnet where the mount target resides. Change the ingress rules
corresponding to the DB System subnet to be stateless.
D. Create an instance principal for the DB System. Write an Identity and Access Management (IAM) policy that allows
the instance principal read-only access to the file storage service.
Correct Answer: A
NFS export options enable you to create more granular access control than is possible using just security list rules to
limit VCN access. You can use NFS export options to specify access levels for IP addresses or CIDR blocks connecting
to file systems through exports in amount target.
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