Oracle New 2022 1z0-1072-22 Sample Questions Reliable 1z0-1072-22 Test Engine
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NEW QUESTION 110
Which two statements are true about subnets within a VCN? (Choose two.)
- A. You canhave multiple subnets in an Availability Domain for a given VCN.
- B. Subnets can have their IP addresses overlap with other subnets in another network for a given VCN.
- C. Instances obtain their private IP and the associated security list from their subnets.
- D. Private and Public subnets cannot reside in the same Availability Domain for a given VCN.
Answer: A,C
Explanation:
Explanation
References:https://cloud.oracle.com/en_US/bare-metal-network/vcn/faq
NEW QUESTION 111
You are designing a high bandwidth, 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 at least two ormore cross-connects in that group. Create at least two or more virtual circuits in the group.
- B. Create a cross-connect group and have two or more cross-connects in that group. Create an IPsec VPN connection on this group.
- C. Create a cross-connect group and have at least one cross-connect in that group. Create at least one virtual circuit in the group.
- D. Setup two IPsec connections between your data center and OCI Ashburn region. Create a OCI load balancer to distribute the traffic across the two connections.
Answer: A
Explanation:
Explanation
You could havemultiple 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.
NEW QUESTION 112
What is a valid option when exporting a custom image?
- A. block volume
- B. file storageservice
- C. archive storage URL
- D. object storage URL
Answer: D
Explanation:
Explanation
You can use the Console or API to export images, and the exported images are stored in the Oracle Cloud Infrastructure Object Storage service. To perform an image export, you need write access to the Object Storage bucketfor the image.
NEW QUESTION 113
You are about to deploy an e-business application on Oracle Cloud Infrastructure and one of the requirements isto use a shared file system that supports the NFS protocol.
Which storage service would meet this requirement?
- A. block volume
- B. file storage
- C. object storage
- D. data transfer appliance
Answer: B
Explanation:
Explanation
Use the File Storage service when your application orworkload includes big data and analytics, media processing, or content management, and you require Portable Operating System Interface (POSIX)-compliant file system access semantics and concurrently accessible storage. The File Storage service is designedto meet the needs of applications and users that need an enterprise file system across a wide range of use cases, including the following:
General Purpose File Storage: Access to an unlimited pool of file systems to manage growth of structured and unstructured data.
Big Data and Analytics: Run analytic workloads and use shared file systems to store persistent data.
Lift and Shift of Enterprise Applications: Migrate existing Oracle applications that need NFS storage, such as Oracle E-Business Suite and PeopleSoft.
Databases and Transactional Applications: Run test and development workloads with Oracle, MySQL, or other databases.
Backups, Business Continuity, and Disaster Recovery: Host a secondary copy of relevant file systems from on premises to the cloudfor backup and disaster recovery purposes.
MicroServices and Docker: Deliver stateful persistence for containers. Easily scale as your container-based environments grow.
NEW QUESTION 114
You have setup your environment as shown below with the Mount Target "MT" successfully mounted on both compute instances CLIENT-X and CLIENT-Y.
For security reasons you want to control the access to the FileSystem A in such a way that CLIENT-X has READ/WRITE and CLIENT-Y has READ only permission.
What you should do?
- A. Update the OS firewall in CLIENT-X to allow READ/WRITE access.
- B. Update the mount target export options to restrict CLIENT-Y access to read-only.
- C. Update the security list TWO to restrict CLIENT-Y access to read-only.
- D. Update the security list ONE to restrict CLIENT-Y access to read only.
Answer: D
NEW QUESTION 115
Which deployment architecture is offered when you deploy the Platform Service Manager based Database Cloud Service (DBCS) onto Oracle Cloud Infrastructure?
- A. Single Instance database with a Single Instance Data Guard in Maximum Protection mode
- B. Two node Primary RAC database with a two node RAC Data Guard Standby inMaximum Performance mode
- C. Single Instance database with a Single Instance Data Guard in Maximum Performance mode
- D. Two node Primary RAC database leveraging ACFS for the shared file system
Answer: B
NEW QUESTION 116
Which storage service is used on OCI for a Data Transfer Service job?
- A. An instance with enough storage to accommodate the job
- B. BlockVolume
- C. An object bucket
- D. A File System service instance
Answer: C
Explanation:
Explanation
https://docs.cloud.oracle.com/en-us/iaas/Content/DataTransfer/Concepts/overview.htm
NEW QUESTION 117
You are running an online gaming application hosted on a VM.Standard2.1 instance shape in Oracle Cloud Infrastructure. As the game becomes popular, you identify network throughput as a bottleneck on your instance when uploading user data.
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Though you want to resolve the issue, you want to observe the demand for a week before adding new application instances.
Which action is the most efficient way to resolve this issue?
- A. Delete the instance while preserving boot volume and spin up a new higher network bandwidth instance with this boot volume.
- B. Change the performance tier ofattached block volume to High Performance.
- C. Add a secondary virtual networkinterface card (VNIC).
- D. Change shape of the instance to a higher network bandwidth instance.
Answer: D
NEW QUESTION 118
You aredesigning a two-tier web application in Oracle Cloud Infrastructure (OCI). Your clients want to access the web servers from anywhere, but want to prevent access to the database servers from the Internet.
Which is the recommended way to design the networkarchitecture?
- A. Create public subnets for web servers and associate adynamic routing gateway with that subnet, and a private subnet for database servers with no association to dynamic gateway.
- B. Create public subnets for web servers and private subnets for database servers in your VCN, and associate separate security listsand route tables for each subnet.
- C. Create a single public subnet for your web servers and database servers, and associate only your web servers to internet gateway.
- D. Create public subnets for web servers and private subnets for database servers in your virtual cloud network (VCN), and associate separate internet gateways for each subnet.
Answer: B
Explanation:
Explanation
When you create a subnet, by default it's considered public, which means instances in that subnet are allowed to have public IP addresses. Whoever launches the instance chooses whether it will have a public IP address.
You can override that behavior when creating the subnet and request that it be private, which means instances launched in the subnet are prohibited from having public IP addresses. Network administrators can therefore ensure that instances in the subnet have no internet access, even if the VCN has a working internet gateway, and security rules and firewall rules allow the traffic.
There are two optional gateways (virtual routers) that you can add to your VCN depending on the type of internet access you need:
Internet gateway: For resources with public IP addresses that need to be reached from the internet (example:
aweb server) or need to initiate connections to the internet.
NAT gateway: For resources without public IP addresses that need to initiate connections to the internet (example: for software updates) but need to be protected from inbound connections from the internet.
Just having an internet gateway alone does not expose the instances in the VCN's subnets directly to the internet. The following requirements must also be met:
The internet gateway must be enabled (by default, the internet gateway is enabled upon creation).
The subnet must be public.
The subnet musthave a route rule that directs traffic to the internet gateway.
The subnet must have security list rules that allow the traffic (and each instance's firewall must allow the traffic).
The instance must have a public IP address.
NEW QUESTION 119
Your application consists of three Oracle Cloud Infrastructure compute instances running behind a public load balancer. You have configured the load balancer to perform health checks on these instances, but one of the three instances fails to pass the configured health check. Which of the following action will the load balancer perform?
- A. Stop sending traffic to the instance that failed health check
- B. Remove the instance that failed the health check from the backend set
- C. Stop the instances that failed health check
- D. Terminate the instance that failed health check
Answer: A
Explanation:
Explanation
health check A test to confirm the availability of backend servers. A health check can be a request or a connection attempt. Based on a time interval you specify, the load balancer applies the health check policy to continuously monitor backend servers. Ifa server fails the health check, the load balancer takes the server temporarily out of rotation. If the server subsequently passes the health check, the load balancer returns it to the rotation.
You configure your health check policy when you create a backend set. You can configure TCP-level or HTTP-level health checks for your backend servers.
- TCP-level health checks attempt to make a TCP connection with the backend servers and validate the response based on the connection status.
- HTTP-level health checks send requests to the backend servers at a specific URI and validate the response based on the status code or entity data (body) returned.
The service provides application-specific health check capabilities to help you increase availability and reduceyour application maintenance window.
NEW QUESTION 120
Which of the following two tasks can be performed in the Oracle Cloud Infrastructure Console for Autonomous DataWarehouse?
- A. Scale up/down Memory
- B. Adjust Network Bandwidth
- C. Increase Storage allocated for Database
- D. Scale up/down CPU
Answer: C,D
Explanation:
Explanation
You can scale up/down your Autonomous Database to scale both in terms of compute (CPU) and storage only whenneeded, 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.
NEW QUESTION 121
You have an application running on Oracle Cloud Infrastructure. You Identified that the read and write operations are slowing your application downenough 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.Standard2.2 shape using the boot volume preserved and attach a new block volume 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,but no block volume attached.
- C. 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.
- D. 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.
Answer: C,D
NEW QUESTION 122
You have anexternal facing web server running in the Oracle Cloud Infrastructure (OCI) London region. You are notified that customers in North America and Australia are facing high latency while connecting to your web server.
Which services are available on OCI thatcan help you get current latency statistics to your web server from these markets?
- A. Setup an IPsec VPN with customers in those markets and check latency over that connection
- B. Setup a FastConnect with customers in those markets and check latency over that connection
- C. Use DNS Zone Management service to check latency over that connection
- D. Use the Internet Intelligence tool. Run tests using the web server's public IP address and review traceroute details from different vantage points
Answer: D
Explanation:
Explanation
The second tool, OCI IP Troubleshooting, helps troubleshoot issues with public facing IP addresses.
This feature is also part of our Internet Intelligence toolset, providing analytical insight to help network operations teams reduce the time it takes to troubleshoot an issue by providing awareness of availability and latency across the Internet.
Ref: https://blogs.oracle.
com/cloud-infrastructure/internet-intelligence,-now-available-in-the-oracle-cloud-infrastructure-console
NEW QUESTION 123
Which two resources are available by default when your Oracle Cloud Infrastructure tenancy is provisioned?
- A. an NVMe SSD boot disk for each instance, whose size is determined by the image and shape of the instance
- B. a set of images, where each image is a template of a virtual hard drive that consists of the OS and installed software and applications
- C. a range of public IP addresses that are reserved for your tenancy
- D. a variety of shapes, where each shapedetermines the number of CPUs and memory allocated to an instance.
Answer: B,D
NEW QUESTION 124
D18912E1457D5D1DDCBD40AB3BF70D5D
You are a system administrator of your company and you are asked to manage updates and patches across all your compute instances running Oracle Linux in Oracle CloudInfrastructure (OCI). As part of your task, you need to apply all the latest kernel security updates to all instances.
Which OCI service will allow you to complete this task?
- A. Resource Manager
- B. Streaming
- C. OS Management
- D. Registry
- E. Storage Gateway
Answer: C
Explanation:
Reference:https://blogs.oracle.com/cloud-infrastructure/os-management-with-oracle-cloud-infrastructure
NEW QUESTION 125
In Oracle Cloud Infrastructure Container Enginefor Kubernetes (OKE), what does a Replica Set do?
- A. It ensures that all Nodes run a copy of a Pod.
- B. It maintains a stable set of replica Pods running at any given time.
- C. It exposes an application runningon a set of Pods.
- D. It provides declarative updates for Pods.
Answer: C
NEW QUESTION 126
Which statement is true about OracleCloud Infrastructure FastConnect?
- A. For private peering, FastConnect extends your existing infrastructure toa virtual cloud network
- B. The FastConnect provider network offers only 1 Gbps port connection speed increments
- C. For public peering, a dynamic routing gateway must be configured and attached to the virtual cloud network (VCN)
- D. For private peering, FastConnect extends your existing infrastructure to allow you to consume object storage from your on-premises data center
Answer: A
Explanation:
Explanation
With FastConnect, you can choose to use , or both.
Private peering: To extend your existing infrastructure into a virtual cloud network (VCN) in Oracle Cloud Infrastructure (for example, to implement a hybrid cloud, or a lift and shift scenario). Communication across the connection is with IPv4 private addresses (typically RFC 1918).
Public peering: To access public services in Oracle Cloud Infrastructure without using the internet. For example, Object Storage, the Oracle Cloud InfrastructureConsole and APIs, or public load balancers in your VCN. Communication across the connection is with IPv4 public IP addresses. Without FastConnect, the traffic destined for public IP addresses would be routed over the internet.
NEW QUESTION 127
You have hired a new employee to run reports from the Autonomous Data Warehouse (ADW) and are not confident in their SQL writing ability.
Into which consumer group will you assign this individual to minimize the impact of their code?
- A. Medium
- B. High
- C. Low
- D. Highest
- E. Lowest
Answer: C
Explanation:
Explanation
in ADW, The tnsnames.ora file provided with the credentials zip file contains three database service names identifiable as high, medium, and low. The predefined service names provide differentlevels of performance and concurrency for Autonomous Data Warehouse.
high: The High database service provides the highest level of resources to each SQL statement resulting in the highest performance, but supports the fewest number of concurrent SQL statements. Any SQL statement in this service can use all the CPU and IO resources in your database. The number of concurrent SQL statements that can be run in this service is 3, this number is independent of the number of OCPUs in your database.
medium: The Medium database service provides a lower level of resources to each SQL statement potentially resulting a lower level of performance, but supports more concurrent SQL statements. Any SQL statement in this service can use multiple CPU and IO resources in yourdatabase. The number of concurrent SQL statements that can be run in this service depends on the number of OCPUs in your database.
low: The Low database service provides the least level of resources to each SQL statement, but supports the most number of concurrent SQL statements. Any SQL statement in this service can use a single CPU and multiple IO resources in your database. The number of concurrent SQL statements that can be run in this service can be up to 300 times the number of OCPUs.
The predefinedservice names provide different levels of performance and concurrency for Autonomous DB Choose whichever database service offers the best balance of performance and concurrency.
Use the low database service name. to minimize the impact of their SQLs to by low consumer group
NEW QUESTION 128
You are working for a financial institution that is currently running two web applications in Oracle Cloud Infrastructure(OCI). All resources were created in the root compartment.
Your manager asked you to deploy new resources to support a proof-of-concept (PoC) for Oracle FlexCube.
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You must ensure that the FlexCube resources are secured andcannot be affected by the team that manages the two web applications.
Which two tasks should you complete to ensure the required security of your resources? (Choose two.)
- A. Create a new compartment for the two web applications and move the existing resources into this compartment. Modify the existing policy for the team that manages these applications so that the scope of access is defined as this new compartment.
- B. Create a new policy in the rootcompartment for the FlexCube project team. Assign a policy statement that grants the FlexCube project team the ability to manage all resources in the tenancy, where a specific tag key and tag value are present.
- C. Create a new compartment for the two web applications and move the existing resources into the compartment. Deploy the FlexCube application into the root compartment. Create a new policy in the root compartment that gives the FlexCube project team the ability to manage all resources in the tenancy.
- D. Create a new compartment for the FlexCube application deployment. Create a policy in this compartment for the project team that gives them the ability to manage all resources within the scope of this compartment.
- E. Create a Tag Default within the root compartment with a default value of${iam.principle.name}so that each new resource created is tagged with the name of the person who created it. Create a new IAM policy that allows users to only modify resources they created.
Answer: A,E
NEW QUESTION 129
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 move the SQL Database data to NVMe disks
- 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.DenseIO2.16 shape using the preserved boot volume and move the SQL Database data to block volume
- D. Create a new instance using a VM.Standard1.16 shape using the preserved boot volume and move the SQL Database data to NVMe disks
Answer: A
Explanation:
Explanation
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
NEW QUESTION 130
Which statement is true about a pre-authenticated request in Oracle Cloud Infrastructure Object Storage?
- A. You cannot retire a pre-authenticated request before it expires.
- B. You can create a pre-authenticated request only for public buckets.
- C. You cannot extend the expiration date on a pre-authenticated request.
- D. You cancreate only 1, 000 pre-authenticated requests per bucket.
Answer: C
Explanation:
Explanation
https://docs.cloud.oracle.com/iaas/Content/Object/Tasks/usingpreauthenticatedrequests.htm You can create an unlimited number of pre-authenticated requests.
You can't edit a pre-authenticated request. If you want to change user access options in response to changing requirements, you must create a new preauthenticated request.
URL: https://docs.cloud.oracle.com/iaas/Content/Object/Tasks/managingbuckets.htm You can change a bucket's access from public to private or from private to public. Changing the type of access doesn't affect existing pre-authenticated requests. Existing pre-authenticated requestsstill work.
NEW QUESTION 131
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