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NEW QUESTION 68
You are tasked with creating a highly available clustered application on Oracle Cloud Infrastructure consisting of three nodes. The round-trip latency between nodes must be less than 500 µs (micro-seconds) and your cluster should be resilient to hardware failure.
What is the recommended deployment strategy?
- A. Deploy the cluster nodes in a single region and deploy each node into a different AD.
- B. Deploy the cluster nodes in a single region and deploy each node in different fault domains within a single AD.
- C. Deploy the cluster nodes in a single region and deploy each node into a different AD. Select the same fault domain in each AD to ensure consistency.
- D. Deploy the cluster nodes in two separate regions and take advantage of multiple availability domains (ADs) in each region.
Answer: B
NEW QUESTION 69
Which statement is true about Data Guard implementation in Oracle Cloud Infrastructure (OCI) bare metal and virtual machine database systems?
- A. Both database systems must be in the same compartment.
- B. Primary and standby database versions and editions need not be identical.
- C. Database systems need not be the same shape type (e.g., primary database can be a virtual machine, and standby database a bare metal shape, and vice versa).
- D. Primary and standby databases must be in the same OCI region.
Answer: A
Explanation:
Explanation/Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/Database/Tasks/exausingdataguard.htm
NEW QUESTION 70
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. 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.
- C. 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.
- D. 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.
Answer: A
Explanation:
Explanation
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 a mount target.
NEW QUESTION 71
Which storage would you use if your big data workload requires shared access and an NFS based interface?
- A. File Storage
- B. Storage Software Cloud Appliance
- C. Object Storage
- D. Block Volume
- E. Archive Storage
Answer: A
Explanation:
Explanation
References: https://docs.cloud.oracle.com/iaas/Content/File/Concepts/filestorageoverview.htm The File Storage service is designed to 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 cloud for backup and disaster recovery purposes.
MicroServices and Docker: Deliver stateful persistence for containers. Easily scale as your container-based environments grow.
NEW QUESTION 72
Which certificate format is used with the load balancer?
- A. CRT
- B. PFX
- C. PKCS12
- D. PEM
Answer: D
Explanation:
Explanation
https://docs.cloud.oracle.com/iaas/Content/Balance/Tasks/managingcertificates.htm
NEW QUESTION 73
Which two statements are true about restoring a volume from a block volume backup in Oracle Cloud Infrastructure Block Volume service?
- A. You can restore a volume from any full volume backup but not from an Incremental backup.
- B. You can restore a block volume backup to a larger volume size.
- C. You can restore only one volume from a manual block volume backup.
- D. You can only restore a volume to the same availability domain in which the original block volume resides.
- E. You can restore a volume to any availability domain within the same region where the backup is stored.
Answer: B,E
Explanation:
Reference https://docs.cloud.oracle.com/en-us/iaas/Content/Block/Tasks/restoringavolumefromabackup.htm
NEW QUESTION 74
You have an Oracle Cloud Infrastructure (OCI) load balancer distributing traffic via an evenly-weighted round robin policy to your back-end web servers. You notice that one of your web servers is receiving more traffic than other web servers.
How can you resolve this to make sure traffic is evenly distributed across all back-end webservers?
- A. Disable SSL configuration associated with your backend set.
- B. Disable cookie-based session persistence on your backend set.
- C. Change keep-alive setting between the load balancer and backend server.
- D. Create separate listeners for each backend web server.
Answer: D
Explanation:
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Balance/Concepts/balanceoverview.htm
NEW QUESTION 75
Which resource is required when connecting to your on-premise network from your Virtual Cloud Network (VCN) via IPSec VPN or FastConnect?
- A. Internet Gateway (IGW)
- B. local peering gateway
- C. Dynamic Routing Gateway (DRG)
- D. NAT
Answer: C
Explanation:
Explanation
References: https://cloud.oracle.com/networking/vcn/faq
NEW QUESTION 76
You deployed a database on a Standard Compute instance in Oracle Cloud Infrastructure (OCI) due to cost concerns. The database requires additional storage with high I/O and you decided to use OCI Block Volume service for it.
With this requirement in mind, which elastic performance option should you choose for the Block Volume?
- A. Balanced Performance
- B. Extreme performance
- C. Higher performance
- D. Lower cost
Answer: C
Explanation:
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Block/Concepts/blockvolumeperformance.htm
NEW QUESTION 77
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.
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 shape of the instance to a higher network bandwidth instance.
- C. Change the performance tier of attached block volume to High Performance.
- D. Add a secondary virtual network interface card (VNIC).
Answer: B
NEW QUESTION 78
You have provisioned an Autonomous Transaction Processing (ATP) database and logged into the ATP service console.
What are three abilities that can be performed from this service console? (Choose three.)
- A. create ATP database users
- B. set resource management rules
- C. monitor database activity and SQL queries
- D. scale up/down the CPUs
- E. reset the admin password
Answer: B,C,E
Explanation:
In ATP Service Console,
In the activity screen allows you to perform some basic monitor database activity and SQL queries
In the administration screen allows you to perform some basic administration of the service, like reset the admin password and set resource management rules
NEW QUESTION 79
Within your tenancy you have a compute instance with a boot volume and a block volume attached. The boot volume contains the OS and the attached block volume contains the instance's important data. Logs on the boot volume have filled the boot volume and are causing issues with the OS.
What should you do to resolve this situation?
- A. Create a new instance with a larger boot volume size as well a new block volume which is the same size or larger than the one attached to the full instance. rsync the state of the boot volume and the state of the block volume between the two instances.
- B. Detach the block volume from the full instance. Create a new instance of the same shape with a larger boot volume and rsync the state of the boot volume between the instances. Attach the block volume to the new instance.
- C. Stop the instance that is full. Create a manual backup of the block storage before making changes.
Detach the block volume, create a new instance of the same shape with a larger custom boot volume and attach the block volume to the new instance. Configure the OS and any related application(s) to access the block volume under the same mount point as before. - D. Create a manual backup of the block storage instance. Create a custom image of the full instance. Once that completes deploy the custom image to a new instance.
Answer: C
Explanation:
Explanation
https://docs.cloud.oracle.com/en-us/iaas/Content/Block/Tasks/resizingavolume.htm
NEW QUESTION 80
You have deployed a compute instance (VM.Standard2.24) to run an Oracle database. With this set up, you run into some performance issues and want to leverage an OCI Dense IO shape (VM.DenseIO2.24), with which you get 25.6 TB local NVMe SSD. You do not want to lose the configuration changes you made to the instance. Which of the following TWO steps ARE NOT required to make this transition?
- A. Create a new instance using the VM.Dense102.24 shape using the preserved boot volume and move the Oracle Database data to NVMe disks
- B. Create a new instance using a VM.DenseIO2.24 shape using the preserved boot volume and move the Oracle Database data to block volumes
- C. Terminate the VM.Standard2.24 instance and do not preserve the boot volume
- D. Terminate the VM.Standard2.24 instance and preserve the boot volume
Answer: B,C
Explanation:
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.
Dense I/O Shapes Designed for large databases, big data workloads, and applications that require high-performance local storage. DenseIO shapes include locally-attached NVMe-based SSDs.
so once you create the VM.DenseIO you need to moce the Database to locally-attached NVMe-based SSDs
NEW QUESTION 81
Your organization has deployed a large, complex application across multiple compute instances in Oracle Cloud Infrastructure (OCI). These compute instances also have block volume storage attached to them. You want to create a time consistent backup of these block volume storage.
Which implementation strategy should be used?
- A. Group volumes in a volume group first and then use available scripts in OCI
- B. Create a manual backup of each volume
- C. Use scripts available in OCI to backup block volume storage
- D. Group volumes in a volume group and create a manual backup of the volume group
Answer: D
Explanation:
Explanation
The Oracle Cloud Infrastructure Block Volume service provides you with the capability to group together multiple volumes in a volume group. A volume group can include both types of volumes, boot volumes, which are the system disks for your Compute instances, and block volumes for your data storage. You can use volume groups to create volume group backups and clones that are point-in-time and crash-consistent.
This simplifies the process to create time-consistent backups of running enterprise applications that span multiple storage volumes across multiple instances. You can then restore an entire group of volumes from a volume group backup.
To create a backup of the volume group
Open the navigation menu. Under Core Infrastructure, go to Block Storage and click Volumes Groups.
In the Volume Groups list, click Create Volume Group Backup in the Actions menu for the volume group you want to create a backup for.
NEW QUESTION 82
Your IT department wants to cut down storage costs, but also meet compliance requirements as set up by the central audit group. You have a legacy bucket with both Word does (*.docx) and Excel files (*.xlsx). Your auditors want to retain only Excel files for compliance purposes. Your IT departments wants to keep all other files for 365 days only. What two steps can you take to meet this requirement?
- A. Create Object Storage Lifecycle rules to delete objects from the legacy bucket after 365 days with a filter type - exclude by pattern: ''.xlsx"
- B. Create Object Storage Lifecycle rules to archive objects from the legacy bucket after 365 days without any pattern matching
- C. Create Object Storage Lifecycle rules to delete objects from the legacy bucket after 365 days with a filter type - include by pattern: ''.docx
- D. It is not possible to meet this requirement
- E. Create Object Storage Lifecycle rules to delete objects from the legacy bucket after 365 days without any pattern matching
Answer: A,C
Explanation:
Object Lifecycle Management lets you automatically manage the archiving and deletion of objects. By using Object Lifecycle Management to manage your Object Storage and Archive Storage data, you can reduce your storage costs and the amount of time you spend managing data.
Use object name filters to specify which objects the lifecycle rule applies to.
You can add object filters in any order. Object Lifecycle Management evaluates the precedence of the rules as follows:
Pattern exclusions
Pattern inclusions
Prefix inclusions
NEW QUESTION 83
Which two statements are true about an Oracle Cloud Infrastructure object storage bucket? (Choose two.)
- A. You can associate a bucket with multiple compartments
- B. You cannot edit or append data to an object, but you can replace the entire object
- C. You can associate a bucket with only a single compartment
- D. You cannot change a bucket from private to public after it is created
Answer: B,C
Explanation:
A bucket is associated with a single compartment.
You can't edit or append data to an object, but you can replace the entire object.
NEW QUESTION 84
You have five different company locations spread across the US. For a proof-of-concept (POC) you need to setup secure and encrypted connectivity to your workloads running in a single virtual cloud network (VCN) in the Oracle Cloud Infrastructure Ashburn region from all company locations.
What would meet this requirement?
- A. Create five IPsec VPN connections with each company location and terminate those connections on five separate DRGs. Attach those DRGs to your VCN.
- B. Create five internet gateways in your VCN and have separate route table for each internet gateway.
- C. Create five virtual circuits using FastConnect for each company location and terminate those connections on a single dynamic routing gateway (DRG). Attach that DRG to your VCN.
- D. Create five IPsec connections with each company location and terminate those connections on a single DRG. Attach that DRG to your VCN.
Answer: D
Explanation:
Explanation
Access to Your On-Premises Network
There are two ways to connect your on-premises network to Oracle Cloud Infrastructure:
VPN Connect: Offers multiple IPSec tunnels between your existing network's edge and your VCN, by way of a DRG that you create and attach to your VCN.
Oracle Cloud Infrastructure FastConnect: Offers a private connection between your existing network's edge and Oracle Cloud Infrastructure. Traffic does not traverse the internet. Both private peering and public peering are supported. That means your on-premises hosts can access private IPv4 addresses in your VCN as well as regional public IPv4 addresses in Oracle Cloud Infrastructure (for example, Object Storage or public load balancers in your VCN).
You can use one or both types of the preceding connections. If you use both, you can use them simultaneously, or in a redundant configuration. These connections come to your VCN by way of a single DRG that you create and attach to your VCN. Without that DRG attachment and a route rule for the DRG, traffic does not flow between your VCN and on-premises network. At any time, you can detach the DRG from your VCN but maintain all the remaining components that form the rest of the connection. You could then reattach the DRG again, or attach it to another VCN.
NEW QUESTION 85
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