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NEW QUESTION # 15
You are in the process of migrating several legacy applications from on-premises to Oracle Cloud Infrastructure (OCI). The current servers are already virtualized. However, you notice that the version of CentOS currently running does not align with any of the Oracle-provided compute images.How would you migrate your existing virtual server images to OCI?
- A. Export your current image in the QCOW2 format and copy to an Object Storage bucket. Import it as a custom image. Select emulated mode to ensure compatibility with legacy drivers
- B. Export your current image in the QED format and copy to an Object Storage bucket. Import it as a custom image. Select emulated modeto ensure compatibility with legacy drivers.
- C. Export your current image in the VDI format and copy to an Object Storage bucket. Import it as a custom image. Select native modeto ensure the best possible performance.
- D. Export your current image in the VMDK format and copy to an Object Storage bucket. Import it as a custom image. Select native mode to ensure the best possible performance.
Answer: A
Explanation:
Export your current image in the QCOW2 format and copy to an Object Storage bucket. Import it as a custom image. Select emulated mode to ensure compatibility with legacy drivers. The explanation is that QCOW2 is one of the supported formats for importing custom images to OCI. Custom images are images that you can create from your own on-premises or cloud servers and use them to launch instances in OCI. To import a custom image, you need to export your current image in a supported format, copy it to an Object Storage bucket, and then import it as a custom image using the OCI console or API. When you import a custom image, you can choose between native mode or emulated mode. Native mode offers better performance but requires compatible drivers and firmware. Emulated mode offers better compatibility but lower performance.
NEW QUESTION # 16
Which tool provides a diagram of the implemented topology of all Virtual Cloud Networks (VCNs) in a selected region and tenancy?
- A. VCN Flow Logs
- B. Network Watcher
- C. Traffic Analytics
- D. Network Visualizer
Answer: D
Explanation:
Network Visualizer is the tool that provides a diagram of the implemented topology of all VCNs in a selected region and tenancy. Network Visualizer is a feature of the OCI Networking service that allows users to view and manage their network resources in a graphical interface. It can help users understand their network topology, troubleshoot issues, and optimize performance. The other options are not tools that provide a diagram of the VCN topology, but rather other features or services of OCI Networking. Reference: [Network Visualizer]
NEW QUESTION # 17
company sells services to photographers where patrons can preview the photos that they want prints for.
To avoid unauthorized copies, the sample photos have lower resolution and are watermarked. The photos areprocessed after they are uploaded. The process is fast but not immediate. It creates samples and sends them tostorage outside of the instances.Which type of instance is ideal for a process likethis; short lived and one thatkeeps the cost low?
- A. Spot instances
- B. On-demand instances
- C. Preemptible instances
- D. Burstable instances
Answer: C
Explanation:
Explanation
The explanation is that preemptible instances are VM instances that offer lower costs than regular instances but can be reclaimed by OCI at any time due to capacity constraints or after running for a maximum of 24 hours. Preemptible instances are ideal for short-lived and stateless workloads that can tolerate interruptions and do not require guaranteed availability or performance. Preemptible instances are billed by the second at a fixed rate that is lower than regular instances.
NEW QUESTION # 18
A financial firm is designing an application architecture for its online trading platform that should have high availability and fault tolerance.
Their solutions architects configured the application to use an Oracle Cloud Infrastructure (OCI) Object Storage bucket located in the US West (us-phoenix-1) region to store large amounts of financial dat a. The stored financial data in the bucket should not be impacted even if there is an outage in one of the Availability Domains or a complete region.
What should the architect do to avoid any costly service disruptions and ensure data durability?
- A. Create a replication policy to send data to a different bucket in another OCI region.
- B. Create a lifecycle policy to regularly send data from the Standard to Archive storage.
- C. Copy the Object Storage bucket to a block volume.
- D. Create a new Object Storage bucket in another region and configure lifecycle policy to move data every 5 days.
Answer: A
Explanation:
Create a replication policy to send data to a different bucket in another OCI region. The explanation is that replication is a feature of Object Storage that allows you to automatically copy objects from one bucket to another bucket, either in the same region or in a different region. Replication can help you improve data availability and durability, as well as meet compliance and disaster recovery requirements. To enable replication, you need to create a replication policy that specifies the source and destination buckets, the replication frequency, and the replication filters. Replication policies are evaluated every five minutes and copy any new or updated objects from the source bucket to the destination bucket.
NEW QUESTION # 19
You are part of a team that manages a set of workload instances running in an on-premises environment.
TheArchitect team is tasked with designing and configuring Oracle Cloud Infrastructure (OCI) Logging service tocollect logs from these instances. There is a requirement to archive Info-level logging data of these instances intothe OCI Object Storage.
Which TWO features of OCI can help you achieve this?
- A. Service Connectors
- B. Grouping Function
- C. Agent Configuration
- D. ObjectCollectionRule
- E. Cloud Agent Plugin
Answer: A,E
Explanation:
Explanation
Cloud Agent Plugin and Service Connectors are two features of OCI that can help collect logs from on-premises instances and archive them into OCI Object Storage. Cloud Agent Plugin is a component of the OCI Logging service that can be installed on any Linux or Windows instance to collect logs and send them to OCI. Service Connectors are components of the OCI Service Connector Hub that can transfer data between different OCI services, such as Logging and Object Storage. The other options are not relevant for this requirement. References: [Cloud Agent Plugin], [Service Connectors]
NEW QUESTION # 20
Which THREE protocols are supported by the Oracle Cloud Infrastructure (OCI) Network Load Balancer?
- A. HTTP
- B. TCP
- C. BGP
- D. ICMP
- E. iSCSI
- F. UDP
Answer: B,D,F
Explanation:
Explanation
The explanation is that the OCI Network Load Balancer supports three protocols: UDP, TCP, and ICMP.
These protocols are used to distribute traffic across multiple backend servers based on different criteria, such as source and destination IP addresses, ports, and ICMP types and codes.
NEW QUESTION # 21
You are responsible for creating and maintaining an enterprise application that consists of multiple storage volumes across multiple compute instances in Oracle Cloud Infrastructure (OCI).
The storage volumes include boot volumes and block volumes for your data storage. You need to create a backup for the boot volumes that will be done daily and a backup for the block volumes that will be done every six hours.
How can you meet this requirement?
- A. Create on-demand full backups of block volumes, and create custom images from the boot volumes. Use a function to run at a specific time to start the backup process.
- B. Create clones of all boot volumes and block volumes one at a time.
- C. Group multiple storage volumes in a volume group and create volume group backups.
- D. Group the boot volumes into a volume group and create a custom backup policy. Group the block volumes and create a custom backup policy.
Answer: D
Explanation:
Group the boot volumes into a volume group and create a custom backup policy. Group the block volumes and create a custom backup policy. The explanation is that volume groups are logical collections of block volumes and boot volumes that can be backed up together as a consistent point-in-time snapshot. You can create a custom backup policy for each volume group and specify the frequency and retention period of the backups. This way, you can meet different backup requirements for different types of volumes.
NEW QUESTION # 22
You just got a last minute request to create a set of instances in Oracle Cloud Infrastructure (OCI). The configuration and installed software are identical for every instance, and you already have a running instance inyour OCI tenancy. Which image option allows you to achieve this task with the least amount of effort?
- A. Select an image from the OCI Marketplace.
- B. Use Oracle-provided images and customize the installation using a third-party tool.
- C. Create a custom image and use it as a template for the new instances.
- D. Bring your own image and use it as a template for the new instances.
Answer: C
Explanation:
Explanation
Creating a custom image and using it as a template for the new instances is the option that allows you to achieve this task with the least amount of effort. A custom image is a copy of an existing instance that you can use to launch other instances with the same configuration and installed software. The other options are not suitable for this scenario, as they would require more time and effort to create and customize the instances.
References: [Custom Images]
NEW QUESTION # 23
Which statement accurately describes the key features and benefits of OCI Confidential Computing?
- A. It enables users to securely store and retrieve data by using distributed file systems, ensuring high availability and fault tolerance.
- B. It provides automatic scalability and load balancing capabilities, which allow seamless integration with other cloud providers.
- C. It optimizes network performance and reduces latency through advanced routing algorithms and caching mechanisms.
- D. It encrypts and isolates in-use data and the applications processing that data, thereby preventing unauthorized access or modification.
Answer: D
Explanation:
It encrypts and isolates in-use data and the applications processing that data, thereby preventing unauthorized access or modification is an accurate description of the key features and benefits of OCI Confidential Computing. Confidential Computing is a feature that leverages hardware-based Trusted Execution Environments (TEEs) to protect data and applications from unauthorized access or modification while they are in use by the CPU or memory. This adds an extra layer of security to cloud computing, as it protects data not only at rest and in transit, but also in use. The other options are not accurate descriptions of the key features and benefits of OCI Confidential Computing. Reference: [Confidential Computing]
NEW QUESTION # 24
You create a file system and then add a 2 GB file. You then take a snapshot of the file system.
What would be the total meteredBytes shown by the File Storage service after the hourly update cycle is complete?
- A. 3 GB
- B. 4 GB
- C. 2 GB
- D. 2.5 GB
Answer: C
Explanation:
The total meteredBytes shown by the File Storage service after the hourly update cycle is complete would be 2 GB. This is because snapshots do not consume any additional storage space unless there are changes made to the file system after taking the snapshot. Since no changes were made in this scenario, the snapshot would not add any extra storage cost. Reference: [Snapshots and MeteredBytes]
NEW QUESTION # 25
Which TWO statements are TRUE about Private IP addresses in Oracle Cloud Infrastructure (OCI)?
- A. Each VNIC can only have one private IP address.
- B. By default, the primary VNIC of an instance in a subnet has one primary private IP address.
- C. By default, the primary VNIC of an instance in a subnet has one primary private IP address and one secondary private IP address.
- D. A private IP can have an optional public IP assigned to it if it resides in a public subnet.
Answer: B,D
Explanation:
Explanation
By default, the primary VNIC of an instance in a subnet has one primary private IP address. A private IP can have an optional public IP assigned to it if it resides in a public subnet. The explanation is that a private IP address is an IPv4 address that is assigned to a VNIC and belongs to the CIDR block of the VCN or subnet.
By default, the primary VNIC of an instance in a subnet has one primary private IP address, which is automatically assigned by OCI and cannot be changed. However, you can also assign secondary private IP addresses to a VNIC, either manually or automatically, up to a maximum of 31 per VNIC. A private IP address can have an optional public IP address assigned to it, which allows the instance to communicate with the internet. A public IP address can be either ephemeral or reserved, depending on whether you want to keep it after stopping or terminating the instance. A private IP address can only have a public IP address assigned to it if it resides in a public subnet, which means that the subnet's route table has a route rule that directs traffic to the internet gateway.
NEW QUESTION # 26
You are backing up your on-premises data to the Oracle Cloud Infrastructure (OCI) Object Storage Service.
Your requirements are:
1. Backups need to be retained for at least full 31 days.
2. Data should be accessible immediately if and when needed after the backup.
Which OCI Object Storage tier is suitable for storing the backup to minimize cost?
- A. Standard tier
- B. Auto-Tiering tier
- C. Infrequent Access tier
- D. Archive tier
Answer: C
Explanation:
Explanation
The explanation is that the Infrequent Access tier is suitable for storing data that is accessed less frequently but requires immediate access when needed. The Infrequent Access tier has lower storage costs than the Standard tier, but higher retrieval costs. The Infrequent Access tier also has a minimum storage duration of 30 days, which means that you will be charged for at least 30 days of storage even if you delete or move the data before that period.
NEW QUESTION # 27
Which is NOT a valid Oracle Cloud Infrastructure (OCI) Virtual Cloud Network (VCN) approach?
- A. Private subnets should ideally have individual route tables to control the flowof traffic within and outsideof VCN.
- B. Ensure not all IP addresses are allocated at once within a VCN or subnet; instead reserve some IP addresses for future use.
- C. Ensure VCN CIDR prefix overlaps with other VCNs in your tenancy or withyour organizations private IPnetwork ranges.
- D. Use OCI tags to tag VCN resources so that all resources follow organizational tagging/naming conventions.
Answer: C
Explanation:
Explanation
Ensure VCN CIDR prefix overlaps with other VCNs in your tenancy or with your organizations private IP network ranges. The explanation is that a VCN CIDR prefix is the range of IPv4 addresses that can be used within the VCN and its subnets. The VCN CIDR prefix should not overlap with other VCNs in your tenancy or with your organization's private IP network ranges, as this can cause routing conflicts and connectivity issues. You should choose a VCN CIDR prefix that is large enough to accommodate your current and future needs, but not too large to waste IP addresses. You can use any of the private IPv4 address ranges specified in RFC 1918 for your VCN CIDR prefix.
NEW QUESTION # 28
Which THREE capabilities are available with the Oracle Cloud Infrastructure (OCI) DNS service?
- A. Creating and managing security lists
- B. Creating and managing zones
- C. Viewing all zones
- D. Creating and managing WAF rules
- E. Creating and managing Identity Access Management (IAM) policies
- F. Creating and managing records
Answer: B,C,F
Explanation:
Explanation
Creating and managing records, creating and managing zones, and viewing all zones are three capabilities that are available with the OCI DNS service. Records are data elements that map domain names to IP addresses or other information. Zones are collections of records that correspond to a domain name or a subdomain name.
The OCI DNS service allows users to create and manage records and zones for their domains or subdomains, as well as view all zones in their tenancy. The other options are not capabilities of the OCI DNS service, but of other OCI services such as WAF, IAM, and Networking. References: [DNS Service], [Records], [Zones]
NEW QUESTION # 29
When defining a query for metric data in Monitoring, which field provides the time window for aggregatingmetric data points plotted on the metric chart?
- A. Statistic
- B. Namespace
- C. Interval
- D. Dimension
Answer: C
Explanation:
Explanation
Interval is the field that provides the time window for aggregating metric data points plotted on the metric chart. Interval is a parameter that specifies how often metric data points are collected and aggregated by the Monitoring service. For example, an interval of 5 minutes means that metric data points are aggregated every 5 minutes and displayed on the chart. The other options are not fields that provide the time window for aggregating metric data points, but rather other parameters that define the metric query. References: [Interval]
NEW QUESTION # 30
Which Oracle Cloud Infrastructure (OCI) Identity and Access Management (IAM) policy is invalid?
- A. Allow dynamic-group FrontEnd to manage instance-family in compartment Project-A
- B. Allow group A-Admins to manage all-resources in compartment Project-A
- C. Allow group A-Developers to create volumes in compartment Project-A
- D. Allow any-user to inspect users in tenancy
Answer: C
Explanation:
Allow group A-Developers to create volumes in compartment Project-A is an invalid IAM policy. This is because create is not a valid verb for volumes. The correct verb for creating volumes is attach. The other options are valid IAM policies that use correct verbs and syntax. Reference: [IAM Policies], [Verbs]
NEW QUESTION # 31
A financial firm is designing an application architecture for its online trading platform that should have high availability and fault tolerance.
Their solutions architects configured the application to use an Oracle Cloud Infrastructure (OCI) Object Storagebucket located in the US West (us-phoenix-1) region to store large amounts of financial data. The stored financialdata in the bucket should not be impacted even if there is an outage in one of the Availability Domains or a complete region.
What should the architect do to avoid any costly service disruptions and ensure data durability?
- A. Create a replication policy to send data to a different bucket in another OCI region.
- B. Create a new Object Storage bucket in another region and configure lifecycle policy to move data every
5days. - C. Create a lifecycle policy to regularly send data from the Standard to Archive storage.
- D. Copy the Object Storage bucket to a block volume.
Answer: A
Explanation:
Explanation
Create a replication policy to send data to a different bucket in another OCI region. The explanation is that replication is a feature of Object Storage that allows you to automatically copy objects from one bucket to another bucket, either in the same region or in a different region. Replication can help you improve data availability and durability, as well as meet compliance and disaster recovery requirements. To enable replication, you need to create a replication policy that specifies the source and destination buckets, the replication frequency, and the replication filters. Replication policies are evaluated every five minutes and copy any new or updated objects from the source bucket to the destination bucket.
NEW QUESTION # 32
Which statement is true about File System Replication in Oracle Cloud Infrastructure (OCI)?
- A. You cannot specify a replication interval when you create the replication resource.
- B. You can replicate the data in one file system to another file system in the same region or a different region.
- C. Only a file system that has been exported can be used as a target file system.
- D. You can replicate the data in one file system to another file system only in the same region.
Answer: B
Explanation:
You can replicate the data in one file system to another file system in the same region or a different region is a true statement about File System Replication in OCI. File System Replication is a feature that allows users to create a copy of a file system in another file system, either within the same region or across regions. This can be useful for disaster recovery, data migration, or data distribution purposes. The other statements are false about File System Replication in OCI. Reference: [File System Replication]
NEW QUESTION # 33
You are in the process of migrating several legacy applications from on-premises to Oracle Cloud Infrastructure (OCI). The current servers are already virtualized. However, you notice that the version of CentOS currentlyrunning does not align with any of the Oracle-provided compute images.How would you migrate your existing virtual server images to OCI?
- A. Export your current image in the QCOW2 format and copy to an Object Storage bucket. Import it as a custom image. Select emulated mode to ensure compatibility with legacy drivers
- B. Export your current image in the QED format and copy to an Object Storagebucket. Import it as a customimage. Select emulated modeto ensure compatibility with legacy drivers.
- C. Export your current image in the VDI format and copy to an Object Storagebucket. Import it as a customimage. Select native modeto ensure the best possible performance.
- D. Export your current image in the VMDK format and copy to an Object Storage bucket. Import it as a custom image. Select native mode to ensure the best possible performance.
Answer: A
Explanation:
Explanation
Export your current image in the QCOW2 format and copy to an Object Storage bucket. Import it as a custom image. Select emulated mode to ensure compatibility with legacy drivers. The explanation is that QCOW2 is one of the supported formats for importing custom images to OCI. Custom images are images that you can create from your own on-premises or cloud servers and use them to launch instances in OCI. To import a custom image, you need to export your current image in a supported format, copy it to an Object Storage bucket, and then import it as a custom image using the OCI console or API. When you import a custom image, you can choose between native mode or emulated mode. Native mode offers better performance but requires compatible drivers and firmware. Emulated mode offers better compatibility but lower performance.
NEW QUESTION # 34
You have an instance running in Oracle Cloud Infrastructure (OCI) that cannot be live-migrated during an infrastructure maintenance event. OCI schedules a maintenance due date within14 to 16 days and sends you anotification.
What would happen if you choose not to proactively reboot the instance beforethe scheduled maintenance duedate?
- A. You will receive another notification to reboot within the next 7 days.
- B. You will receive another notification to reboot within the next 14 days.
- C. The instance will get terminated.
- D. The instance is either reboot-migrated or rebuilt in place for you.
Answer: D
Explanation:
Explanation
If you choose not to proactively reboot the instance before the scheduled maintenance due date, the instance is either reboot-migrated or rebuilt in place for you. Reboot-migration is a process where OCI migrates your instance to a new physical host without changing its configuration or public IP address. Rebuild in place is a process where OCI shuts down your instance, performs maintenance on the physical host, and restarts your instance with the same configuration and public IP address. The other options are not correct. References:
[Reboot-Migration], [Rebuild in Place]
NEW QUESTION # 35
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