[2021.4] Get the latest Oracle 1z0-1072-20 exam practice questions and free Pdf dumps from Lead4Pass

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Latest Update Oracle 1z0-1072-20 Exam Practice Questions and Answers Online Test

QUESTION 1
When deploying a highly available, Internet-facing, 2-tier web application on Oracle Cloud Infrastructure (OCI), which
design option would you use?
A. Deploy all web servers into one Availability Domain and behind a public load balancer, and deploy two single-node
OCI database systems in the same Availability Domain with Data Guard enabled.
B. Deploy all web servers into multiple Availability Domains and behind a public load balancer and deploy two single node OCI database systems across two Availability Domains with Data Guard enabled.
C. Deploy all web servers into multiple Availability Domains and behind a private load balancer and deploy two single node OCI database systems across two Availability Domains with Data Guard enabled.
D. Deploy all web servers into one Availability Domain and deploy a single-node OCI database system into a different
Availability Domain.
Correct Answer: B

 

QUESTION 2
You have been tasked with creating one virtual cloud network (VCN) each for two line of business (LOB) applications.
LOB A and LOB B will need to communicate with each other. To ensure that you can utilize VCN peering, which
network CIDR ranges should be used?
A. VCN A (10.0.0.0/16) and VCN B (10.1.0.0/16)
B. VCN A (10.0.2.0/16) and VCN B (10.0.2.0/25)
C. VCN A (10.0.0.0/16) and VCN B (10.0.16.0/24)
D. VCN A (172.16.0.0/24) and VCN B (172.16.0.0/28)
Correct Answer: A
VCN A (10.0.0.0/16) will use a range of IPS from 10.0.0.0 to 10.0.255.255 and VCN B (10.1.0.0/16) will use a range of
IPS from 10.1.0.0 to 10.1.255.255 so will not be any Overlap between 2 VCNs

 

QUESTION 3
What is a “transfer package” when transferring data to OCI via the OCI Data Transfer Service?
A. A transfer package is the logical representation of the physical shipment containing the HDD transfer devices that
you ship to Oracle to upload to OCI.
B. A transfer package is the software Oracle provides for you to prepare transfer devices for shipment to Oracle
C. A transfer package contains the physical devices.
D. A transfer package is the archive file that the Data Transfer Service Utility (DTS) writes to the transfer device.
Correct Answer: A
References: https://blogs.oracle.com/cloud-infrastructure/introducing-oracle-cloud-infrastructure-data-transfer-service

 

QUESTION 4
Which statement is NOT true about the Oracle Cloud Infrastructure Object Storage service?
A. Object storage resources can be shared across tenancies.
B. Immutable option for data stored in the Object Storage can be set via retention rules.
C. Object versioning is enabled at the namespace level.
D. Object lifecycle rules can be used to either archive or delete objects.
Correct Answer: B
Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/Object/Tasks/usingversioning.htm

 

QUESTION 5
You have an application server running in a public subnet on a compute instance in the US West (us- phoenix-1) region of
Oracle Cloud Infrastructure (OCI). The data sitting on this instance needs to be copied to the OCI Object storage bucket
available in the same region without traversing over the internet. To enable the connectivity between the instance and
Object Storage, you created a service gateway with service CIDR of all Object Storage in us-phoenix-1 enabled. You
also
modified the security rules to allow the desired traffic.
However, when you tried sending the data to the Object Storage bucket, you notice that the data is going over the
internet and not via the service gateway.
What could be the possible reason for this behavior?
A. The route table associated with the subnet has no routing rule where the destination is object storage service
B. The service gateway created in the VCN resides in a different availability domain
C. The security list associated with the subnet has an egress rule that allows all traffic to be forwarded to a destination
CIDR 0.0.0.0/0
D. Identity and Access Management (IAM) policies restrict access to the object storage bucket
Correct Answer: A

 

QUESTION 6
Which three are default Virtual Cloud Network (VCN) components? (Choose three.)
A. Security List
B. Dynamic Routing Gateway
C. DHCP options
D. Internet Gateway
E. Route Table
Correct Answer: ACE
References:
(1)
=> Populated by Default
(0)
=> Not Populated by Default
Resources
==========
Subnets (0)
Route Tables (1)
Internet Gateways (0)
Dynamic Routing Gateways (0)
Network Security Groups (0)
Security Lists (1)
DHCP Options (1)
Local Peering Gateways (0)
NAT Gateways (0)
Service Gateways (0)

 

QUESTION 7
Which two choices are true for Oracle Autonomous Database with Shared Exadata Infrastructure?
A. Billing for storage usage continues when the autonomous database is stopped.
B. Billing stops for both CPU and storage usage when the autonomous database is stopped.
C. Billing for computes usage stops when the autonomous database is stopped.
D. Autonomous database does not support per-second billing.
E. Billing does not stop when the autonomous database is terminated.
Correct Answer: AC

 

QUESTION 8
Which two statements about file storage service (FSS) are accurate? (Choose two.)
A. FSS leverages UNIX user group and permission checking for file access security
B. Encryption of the file system in FSS is optional
C. Identity and Access Management (IAM) controls which file systems are mountable by which instances
D. Security lists can be used as a virtual firewall to prevent an instance from mounting an FSS mount target within the
same subnet
E. Data in transit to an FSS mount target is encrypted
Correct Answer: AE
All data is encrypted at rest. and In-transit encryption provides a way to secure your data between instances and
mounted file systems using TLS v. 1.2 (Transport Layer Security) encryption. File Storage service supports the
AUTH_UNIX style of authentication and permission checking for remote NFS client requests.

 

QUESTION 9
When you try to create an instance on Oracle Cloud Infrastructure (OCI), what are three valid sources to choose the
image from?
A. Dedicated VM Host
B. Object Storage
C. Bare Metal Instance
D. Platform Images
E. Custom Image
F. Partner Images
G. Instance Pools
Correct Answer: DEF
Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/Compute/Tasks/launchinginstance.htm

 

QUESTION 10
Which certificate format is used with the load balancer?
A. PFX
B. PEM
C. PKCS12
D. CRT
Correct Answer: B
https://docs.cloud.oracle.com/iaas/Content/Balance/Tasks/managingcertificates.htm

 

QUESTION 11
You are deploying a highly available web application In Oracle Cloud Infrastructure and have decided to use a public
load balancer. The back-end web servers will be distributed across all three availability domains (ADs). How many
subnets should you create to deliver a secure, highly available application?
A. two subnets in total; one regional private subnet to host your back-end web servers and one regional public subnet to
host your public load balancer.
B. two subnets in total; one regional public subnet to host your back-end web servers and one regional private subnet to
host your public load balancer.
C. three subnets in total; one regional public subnet to host your back-end web servers and two AD-specific private
subnets to host your private load balancer.
D. one subnet in total; one regional private subnet to host your back-end web servers and your public load balancer.
Correct Answer: A
To accept traffic from the internet, you create a public load balancer. The service assigns it a public IP address that
serves as the entry point for incoming traffic. You can associate the public IP address with a friendly DNS name through
any DNS vendor. A public load balancer is regional in scope. If your region includes multiple availability domains, a
public load balancer requires either a regional subnet (recommended) or two availability domain-specific (AD-specific)
subnets, each in a separate availability domain. With a regional subnet, the Load Balancing service creates a primary
load balancer and a standby load balancer, each in a different availability domain, to ensure accessibility even during an
availability domain outage. If you create a load balancer in two AD-specific subnets, one subnet hosts the primary load
balancer, and the other hosts a standby load balancer. If the primary load balancer fails, the public IP address switches
to the secondary load balancer. The service treats the two load balancers as equivalent and you cannot specify which
one is “primary”. Whether you use regional or AD-specific subnets, each load balancer requires one private IP address
from its host subnet. The Load Balancing service supplies a floating public IP address to the primary load balancer. The
floating public IP address does not come from your backend subnets. You cannot specify a private subnet for your
public load balancer. The backend servers (Compute instances) associated with a backend set can exist anywhere, as
long as the associated network security groups (NSGs), security lists, and route tables allow the intended traffic flow.
Oracle recommends that you create your load balancer in a regional subnet. Oracle recommends that you distribute
your backend servers across all availability domains within the region.

 

QUESTION 12
You are a network architect and have designed the network infrastructure of a three-tier application on Oracle Cloud
Infrastructure (OCI). In the architecture, back-end DB servers are in a private subnet. One of your DB administrator’s
requests has access to the OCI object storage service.
How can you meet this requirement?
A. Add a new route rule to the private subnet route table to route default traffic to the internet gateway.
B. Attach a public IP address to the instances in the private subnet and then add a new route rule to the private subnet
route table to route default traffic to the internet gateway.
C. Create a dynamic routing gateway (DRG) and attach it to your virtual cloud network (VCN). Add a default route rule
to the private subnets route table and set the target as DRG.
D. Create a service gateway, add a new route rule to the private subnet route table that uses object storage as the target
type.
Correct Answer: D
A service gateway lets resources in your VCN privately access specific Oracle services, without exposing the data to an
internet gateway or NAT. The resources in the VCN can be in a private subnet and use only private IP addresses. The
traffic from the VCN to the service of interest travels over the Oracle network fabric and never traverses the internet. To
give your VCN access to a given service CIDR label, you must enable that service CIDR label for the VCN\\’s service
gateway. You can do that when you create the service gateway, or later after it\\’s created. You can also disable a
service CIDR label for the service gateway at any time. For traffic to be routed from a subnet in your VCN to a service
gateway,
you must add a rule accordingly to the subnet\\’s route table. The rule must use the service gateway as the target.
Reference:
https://blogs.oracle.com/cloud-infrastructure/connect-private-instances-with-oracle-servicesthrough-an-oracle-cloudinfrastructure-service-gateway

 

QUESTION 13
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.

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