Oracle 1Z0-1072-21 Online Practice Questions and Exam Preparation

Oracle 1Z0-1072-21 Online Questions & Answers

• Question 1:

  In Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE), what does a Replica Set do?

  A. It provides declarative updates for Pods.
  B. It maintains a stable set of replica Pods running at any given time.
  C. It ensures that all Nodes run a copy of a Pod.
  D. It exposes an application running on a set of Pods.
  D. It exposes an application running on a set of Pods.

• Question 2:

  Which two resources reside exclusively in a single Oracle Cloud Infrastructure Availability Domain?

  A. Identity and Access Management Groups
  B. Web Application Firewall policy
  C. Block volume
  D. Compute Instance
  E. Object Storage
  C. Block volume
  D. Compute Instance

  ---

  explanation:

  https://docs.cloud.oracle.com/iaas/Content/General/Concepts/regions.htm#one

• Question 3:

  Which three load-balancing policies can be used with a backend set?

  A. throughput
  B. least connections
  C. IP hash
  D. CPU utilization
  E. weighted round robin
  B. least connections
  C. IP hash
  E. weighted round robin

• Question 4:

  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?

  A. A NAT gateway is needed to enable the communication flow to internet.
  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. The route table has no default route for routing traffic to the internet gateway.
  E. There is no stateful ingress rule in the security list associated with the public subnet.
  B. There Is no stateful egress rule In the security list associated with the public subnet.
  D. The route table has no default route for routing traffic to the internet gateway.

• Question 5:

  Which two statements are true about Autonomous Data Warehouse (ADW) backup?

  A. You can perform manual backups to OCI object storage in addition to automated backups available on ADW
  B. You can backup ADW database only to a standard bucket type in OCI object storage
  C. Oracle Cloud Infrastructure (OCI) recommends backing up ADW databases manually to on- premises storage devices
  D. You must backup ADW database to object storage bucket named ADW_backup
  A. You can perform manual backups to OCI object storage in addition to automated backups available on ADW
  B. You can backup ADW database only to a standard bucket type in OCI object storage

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  explanation:

  Autonomous Database automatically backs up your database for you.In addition to automatic backups Autonomous Database also allows you take manual backups to your Oracle Cloud Infrastructure Object Storage. for example if you want

  to take a backup before a major change to make restore and recovery faster.

  Also, Manual backups are only supported with buckets created in the standard storage tier if you provision an Autonomous Data Warehouse instance named ADWC1, the bucket name should be backup_adwc1 (the bucket name is

  lowercase)

• Question 6:

  

  

  Which of the following two tasks can be performed in the Oracle Cloud Infrastructure Console for Autonomous Data Warehouse?

  A. Adjust Network Bandwidth
  B. Scale up/down Memory
  C. Increase Storage allocated for Database
  D. Scale up/down CPU
  C. Increase Storage allocated for Database
  D. Scale up/down CPU

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  explanation:

  You can scale up/down your Autonomous Database to scale both in terms of compute (CPU) and storage only when needed, allows people to pay per use. 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 in OCI console, click Scale Up/Down. Click on 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 7:

  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
  A. Monitor the health of the database server including CPU, memory and query performance
  B. Configure resource management rules and reset the admin password

• Question 8:

  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.
  A. Both DB systems must use the same VCN, and port 1521 must be open
  C. Data guard implementation for Bare Metal shapes requires two DB Systems, one containing the primary database and one containing the standby database.

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  explanation:

  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 9:

  Which statement is true about the Oracle Cloud Infrastructure File Storage Service Snapshots?

  A. Snapshots are created under the root folder of file system, in a hidden directory named .snapshot
  B. Snapshots are not incremental
  C. You can restore the whole snapshot, but not the individual files
  D. It Is not possible to create snapshots from OCI console, but just the CLI
  A. Snapshots are created under the root folder of file system, in a hidden directory named .snapshot

  ---

  explanation:

  The File Storage service supports snapshots for data protection of your file system. Snapshots are a consistent, point-in-time view of your file systems. Snapshots are copy-on-write, and scoped to the entire file system. The File Storage

  service encrypts all file system and snapshot data at rest. You can take as many snapshots as you need.

  Data usage is metered against differentiated snapshot data. If nothing has changed within the file system since the last snapshot was taken, the new snapshot does not consume more storage Snapshots are accessible under the root

  directory of the file system at .snapshot/name. For data protection, you can use a tool that supports NFSv3 to copy your data to a different availability domain, region, file system, object storage, or remote location.

• Question 10:

  Which statement is true about the Oracle Cloud Infrastructure File Storage Service Mount Target?

  A. You can access multiple file systems through a single mount target
  B. Mount target has a public IP address and DNS name
  C. Mount target lives in a single subnet of your choice, but is not highly available
  D. Each mount target requires six internal IP addresses in the subnet to function
  A. You can access multiple file systems through a single mount target

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  explanation:

  A mount target is an NFS endpoint that lives in a VCN subnet of your choice and provides network access for file systems. The mount target provides the IP address or DNS name that is used together with a unique export path to mount the file system. A single mount target can export many file systems. Typically, you create your first mount target and export when you create your first file system. The mount target maintains an export set which contains all of the exports for its associated file systems. Limitations and Considerations

  Each availability domain is limited to two mount targets by default. However, you can export up to 100 file systems through each mount target.

  See Service Limits for a list of applicable limits and instructions for requesting a limit increase. Each mount target requires three internal IP addresses in the subnet to function. Two of the IP addresses are used during mount target creation.

  The third IP address must remain available for the mount target to use for high availability failover.

  The File Storage service doesn't "reserve" the third IP address required for high availability failover. Use care when designing your subnets and file systems to ensure that sufficient IP addresses remain available for your mount targets.