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Oracle 1z0-1072-23 Exam Syllabus Topics:
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NEW QUESTION # 32
You have a high-demand web application running on Oracle Cloud Infrastructure (OCI). Your tenancy administrator has set up a schedule-based autoscaling policy on instance pool with an initial size of 5 instances for the application.
Policy 1:
Target pool size:10 instances
Execution time:8:30 a.m. on every Monday through Friday, in every month, in every year Cron expression:0 30 8 ? * MON-FRI * Which statement accurately explains the goal of this policy?
- A. Goal: A recurring daily schedule. On weekday mornings at 8.30 a.m., scale out to 10 instances.
- B. Goal: A recurring monthly schedule. On all days of the month, set the initial pool size to 5 instances. At
8.30 a.m., on every day of the month, scale out to 10 instances. - C. Goal: A one-time schedule with only one scaling out event. At 8:30 a.m., on December 31, 2021, scale the instance pool to 10 instances from 5.
- D. Goal: A recurring weekly schedule. On all days of the week at 8.30 a.m., scale out the pool to 10 instances from the initial size of 5
Answer: A
Explanation:
The explanation is that a schedule-based autoscaling policy allows you to adjust the size of your instance pool based on a cron expression that specifies the date and time of the scaling action. The cron expression consists of six fields: seconds, minutes, hours, day of month, month, and day of week. In this case, the cron expression is 0 30 8 ? * MON-FRI *, which means that the scaling action will occur at 8:30 a.m. on every Monday through Friday, regardless of the day of month or month. Therefore, the goal of this policy is to scale out the instance pool to 10 instances on weekday mornings at 8:30 a.m.
NEW QUESTION # 33
When defining a query for metric data in Monitoring, which field provides the time window for aggregating metric data points plotted on the metric chart?
- A. Interval
- B. Namespace
- C. Dimension
- D. Statistic
Answer: A
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. Reference: [Interval]
NEW QUESTION # 34
Company XYZ is spending $300,000.00 USD per month in egress fees for 7 Petabytes that they consume for Outbound Data Transfer in North America with their current cloud provider. The company is seeking to lower that expense considerably without reducing consumption. You propose migration to OCI because the Gigabyte Outbound Data Transfer in North America costs just $0.0085 USD per month. With OCI, how much will they spend per month for 7 Petabytes of Outbound Data Transfer? (1 Petabyte = 1000 Terabytes)
- A. $150,000.00
- B. $59,415.00
- C. $0.00 (free with OCI)
- D. $59,500.00
Answer: D
Explanation:
$59,415.00 is the amount that Company XYZ will spend per month for 7 Petabytes of Outbound Data Transfer in North America with OCI. This is calculated by multiplying 7 Petabytes by 1000 Terabytes (to convert Petabytes to Terabytes), then multiplying by $0.0085 USD (the cost per Gigabyte Outbound Data Transfer in North America), then dividing by 1000 (to convert Gigabytes to Terabytes). The formula is:
(7 * 1000 * 0.0085) / 1000 = $59,415.00
NEW QUESTION # 35
You are responsible for deploying an application on Oracle Cloud Infrastructure (OCI). The application is memory intensive and performs poorly if enough memory is not available. You have created an instance pool of Linux compute instances in OCI to host the application and defined Autoscaling Configuration for the instance pool.
What should you do to ensure that the instance pool autoscales to prevent poor application performance?
- A. Install OCI SDK on all compute instances and create a script that triggers the autoscaling event if there is high memory usage.
- B. Install the monitoring agent on all compute instances, which triggers the autoscaling group.
- C. Configure the autoscaling policy to monitor CPU usage and scale up the number of instances when it
- D. Configure the autoscaling policy to monitor memory usage and scale up the number of instances when it meets the threshold.
Answer: D
Explanation:
meets the threshold
NEW QUESTION # 36
In which TWO ways does Cloud Guard help improve the overall security posture for your tenancy?
- A. Helps detect misconfigured resources, such as publicly accessible Object Storage buckets, instances, and restricted ports on security lists.
- B. Monitors unauthorized or suspicious user activity.
- C. Allows you to centrally manage encryption keys.
- D. Prevents you from creating misconfigurations on your resources in Oracle Cloud Infrastructure (OCI).
- E. Masks sensitive data and monitors security controls on your Oracle databases.
Answer: A,B
Explanation:
Monitors unauthorized or suspicious user activity, prevents you from creating misconfigurations on your resources in OCI, and helps detect misconfigured resources, such as publicly accessible Object Storage buckets, instances, and restricted ports on security lists. The explanation is that Cloud Guard is a service that helps you improve the security posture of your tenancy by providing visibility into your cloud resources, identifying security misconfigurations and threats, and taking corrective actions to remediate them. Cloud Guard monitors user activity and resource configurations using data collectors and detectors, evaluates them against predefined or custom rules, generates problems and recommendations based on severity levels, and executes responders to fix the issues automatically or manually.
NEW QUESTION # 37
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 14 days.
- B. The instance is either reboot-migrated or rebuilt in place for you.
- C. The instance will get terminated.
- D. You will receive another notification to reboot within the next 7 days.
Answer: B
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 # 38
You created a virtual cloud network (VCN) with three private subnets. Two of the subnets contain applicationservers and the third subnet contains a DB System. The application requires a shared file system, therefore youhave provisioned one using the file storage service (FSS).
You have also created the corresponding mount target in one of the application subnets. The VCN security listsare properly configured so that the application servers can access FSS. The securityteam changed the settings forthe DB System to have read-only access to the file system. However when they testit, they are unable to accessFSS.
How would you allow access to FSS?
- A. Create an instance principal for the DB System. Write an Identity andAccess Management (IAM) policythat allows the instance principal read-only access to the file storage service.
- B. Change the ingress rules corresponding to the DB System subnet to be stateful.
- C. Create an NFS export option that allows READ_ONLY access where the source is the CIDR range of the DBSystem subnet.
- D. Modify the security list associated with the subnet where the mount target resides. Change the ingressrules corresponding to the DB System subnet to be stateless.
- E. Modify the security list associated with the subnet where the mount target resides.
Answer: C
Explanation:
Explanation
Creating an NFS export option that allows READ_ONLY access where the source is the CIDR range of the DB System subnet is the correct answer. This is because NFS export options are used to control the level of access that clients have to file systems. By creating an NFS export option with READ_ONLY access for the DB System subnet, you can allow the DB System to read data from the file system, but not write or modify it.
The other options are not correct, as they do not address the requirement of read-only access for the DB System. References: [NFS Export Options]
NEW QUESTION # 39
You are part of an organization with thousands of users accessing Oracle Cloud Infrastructure (OCI). An unknownuser action was executed resulting in configuration errors. You are tasked to quickly identify the details of allusers who were active in the last six hours along with any REST API calls that were executed.
Which OCI service would you use?
- A. Logging
- B. Notifications
- C. Audit
- D. Service Connectors
- E. Notifications
Answer: C
Explanation:
Explanation
Audit is the OCI service that would help identify the details of all users who were active in the last six hours along with any REST API calls that were executed. Audit is a service that records all API calls and other actions taken by or on behalf of users in OCI. It can be used to track user activity, monitor compliance, and troubleshoot issues. The other options are not suitable for this task. References: [Audit]
NEW QUESTION # 40
Your DevOps team needs to interconnect the on-premises network to the Oracle Cloud Infrastructure(OCI)resources, such as a managed database that resides in a private subnet. Theyindicate that they have a lowbudget and their bandwidth requirements are minimal, so you decide that a site-to-site VPN is the best option.
They provide you with their router public IP address. You need to create an object in OCI that represents thisrouter. Which object would you create?
- A. Bastion Host
- B. Internet Gateway
- C. Virtual Network Interface Card (vNIC)
- D. IPSec Tunnel
- E. Customer Premises Equipment (CPE)
- F. Dynamic Routing Gateway (DRG)
Answer: E
Explanation:
Explanation
Customer Premises Equipment (CPE). The explanation is that CPE is an object in OCI that represents your on-premises router or VPN device that connects to your VCN via a site-to-site VPN. A site-to-site VPN is a secure and encrypted connection between your on-premises network and your VCN over the public internet.
To set up a site-to-site VPN, you need to create a CPE object with your router's public IP address and other information, such as vendor and platform. You also need to create a Dynamic Routing Gateway (DRG) object in your VCN andattach it to your VCN. Then, you need to create an IPSec connection between your CPE and DRG, which will create two redundant VPN tunnels for high availability.
NEW QUESTION # 41
Which TWO are key benefits of setting up Site-to-Site VPN on Oracle Cloud Infrastructure (OCI)?
- A. When setting up Site-to-Site VPN, customers can configure it to use static or dynamic routing (BGP).
- B. When setting up Site-to-Site VPN, OCI provisions redundant VPN tunnels.
- C. When setting up Site-to-Site VPN, it creates a private connection that provides consistent network experience.
- D. When setting up Site-to-Site VPN, customers can expect bandwidth above 2 Gbps.
Answer: A,B
Explanation:
Explanation
When setting up Site-to-Site VPN, customers can configure it to use static or dynamic routing (BGP). When setting up Site-to-Site VPN, OCI provisions redundant VPN tunnels. The explanation is that Site-to-Site VPN is a secure and encrypted connection between your on-premises network and your Virtual Cloud Network (VCN) in OCI over the public internet. When setting up Site-to-Site VPN, you can choose to use static routing or dynamic routing (Border Gateway Protocol or BGP) to exchange routes between your network and OCI.
OCI also provisions two redundant VPN tunnels for each Site-to-Site VPN connection to provide high availability and failover.
NEW QUESTION # 42
Which is NOT a valid Oracle Cloud Infrastructure (OCI) Virtual Cloud Network (VCN) approach?
- A. Ensure VCN CIDR prefix overlaps with other VCNs in your tenancy or with your organizations private IP network ranges.
- B. Use OCI tags to tag VCN resources so that all resources follow organizational tagging/naming conventions.
- C. Ensure not all IP addresses are allocated at once within a VCN or subnet; instead reserve some IP addresses for future use.
- D. Private subnets should ideally have individual route tables to control the flow of traffic within and outside of VCN.
Answer: A
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 # 43
Company XYZ is spending $300,000.00 USD per month in egress fees for 7 Petabytes that they consume for Outbound Data Transfer in North America with their current cloud provider. The company is seeking to lower that expense considerably without reducing consumption. You propose migration to OCI because the Gigabyte Outbound Data Transfer in North America costs just $0.0085 USD per month. With OCI, how much will they spend per month for 7 Petabytes of Outbound Data Transfer? (1 Petabyte = 1000 Terabytes)
- A. $150,000.00
- B. $59,500.00
- C. $59,415.00
- D. $0.00 (free with OCI)
Answer: C
Explanation:
Explanation
$59,415.00 is the amount that Company XYZ will spend per month for 7 Petabytes of Outbound Data Transfer in North America with OCI. This is calculated by multiplying 7 Petabytes by 1000 Terabytes (to convert Petabytes to Terabytes), then multiplying by $0.0085 USD (the cost per Gigabyte Outbound Data Transfer in North America), then dividing by 1000 (to convert Gigabytes to Terabytes). The formula is:
(7 * 1000 * 0.0085) / 1000 = $59,415.00
NEW QUESTION # 44
You are a system administrator of your company and you are managing a complex environment consisting of compute instances running Oracle Linux on Oracle Cloud Infrastructure (OCI). It's your task to apply all the latest kernel security updates to all instances.
Which OCI service will allow you to complete this task?
- A. OCI Cloud Guard to monitor and install the security updates
- B. OCI Streaming service
- C. OCI Registry
- D. OS Management service
- E. OCI Security Zones to achieve automatic security updates
Answer: D
Explanation:
OS Management service is the OCI service that will allow you to complete this task. OS Management service is a service that helps users automate patching and package management for Oracle Linux and Windows instances in OCI. It can also help users monitor and manage system configuration and compliance across their instances. The other options are not suitable for this task, as they do not provide the functionality of OS Management service. Reference: [OS Management Service]
NEW QUESTION # 45
You want to distribute DNS traffic to different endpoints based on the location of the end user. Which Traffic Management Steering Policy would you use?
- A. Geolocation
- B. IP Prefix
- C. Failover
- D. Load Balancer
Answer: A
Explanation:
The explanation is that geolocation is a type of Traffic Management Steering Policy that allows you to distribute DNS traffic to different endpoints based on the location of the end user. Geolocation steering policies use geolocation data from third-party providers to map end user IP addresses to geographic regions. You can create rules that specify which endpoints to serve for each region or country, or use a default endpoint for unspecified regions.
NEW QUESTION # 46
In which two ways can Oracle Security Zones assist with the cloud security shared responsibility model?
- A. Add or move a standard compartment to a highly secured security zone compartment.
- B. Allow access to an unsecured compartment, which is moved from a standard compartment.
- C. Encrypt storage resources with a customer-managed key.
- D. Deny public access to Oracle Cloud Infrastructure resources, such as databases and object storage buckets.
Answer: C,D
Explanation:
Explanation
Oracle Security Zones is a service that helps you enforce best practices and prevent misconfigurations on your OCI resources by applying predefined policies and controls. Some of the benefits of using Security Zones are:
Encrypt storage resources with a customer-managed key: Security Zones require that all storage resources, such as block volumes, boot volumes, file systems, and object storage buckets, are encrypted with a customer-managed key from Vault. This ensures that you have full control over the encryption and decryption of your data at rest.
Deny public access to OCI resources, such as databases and object storage buckets: Security Zones prevent you from creating or updating OCI resources that have public access enabled, such as databases and object storage buckets that are accessible from the internet. This reduces the risk of unauthorized access or data leakage.
NEW QUESTION # 47
In which two ways can Oracle Security Zones assist with the cloud security shared responsibility model?
- A. Add or move a standard compartment to a highly secured security zone compartment.
- B. Allow access to an unsecured compartment, which is moved from a standard compartment.
- C. Encrypt storage resources with a customer-managed key.
- D. Deny public access to Oracle Cloud Infrastructure resources, such as databases and object storage buckets.
Answer: C,D
Explanation:
Oracle Security Zones is a service that helps you enforce best practices and prevent misconfigurations on your OCI resources by applying predefined policies and controls. Some of the benefits of using Security Zones are:
Encrypt storage resources with a customer-managed key: Security Zones require that all storage resources, such as block volumes, boot volumes, file systems, and object storage buckets, are encrypted with a customer-managed key from Vault. This ensures that you have full control over the encryption and decryption of your data at rest.
Deny public access to OCI resources, such as databases and object storage buckets: Security Zones prevent you from creating or updating OCI resources that have public access enabled, such as databases and object storage buckets that are accessible from the internet. This reduces the risk of unauthorized access or data leakage.
NEW QUESTION # 48
Which statement is TRUE about delegating an existing domain to the OracleCloud Infrastructure (OCI) DNS service?
- A. Domains can be delegated to OCI DNS from the Domain Registrar's self-service portal.
- B. Domains can be delegated to OCI DNS from the OCI Marketplace.
- C. Domains can be self-delegated to OCI DNS from its own service portal.
- D. Domains can be delegated to OCI DNS via FastConnect partners.
- E. All domains can be retrieved to OCI DNS via DYN.
Answer: A
Explanation:
Explanation
Domains can be delegated to OCI DNS from the Domain Registrar's self-service portal. The explanation is that delegating a domain to OCI DNS means that you are transferring the authority to resolve DNS queries for your domain from your current DNS provider to OCI DNS. To delegate a domain to OCI DNS, you need to create a zone in OCI DNS that matches your domain name and add any records that you want to serve from OCI DNS. Then, you need to update the name servers for your domain at your Domain Registrar's self-service portal with the name servers provided by OCI DNS. This will point your domain to OCI DNS and allow it to resolve DNS queries for your domain.
NEW QUESTION # 49
Which of the following statements is true about cloning a volume in the Oracle Cloud Infrastructure (OCI) Block Volume service?
- A. You can clone a volume to another region.
- B. You can change the block volume size when cloning a volume.
- C. Creating a clone takes longer than creating a backup of a volume.
- D. You need to detach a volume before cloning it.
Answer: B
Explanation:
You can change the block volume size when cloning a volume. The explanation is that cloning a volume is a way of creating an exact copy of an existing volume without creating a backup first. Cloning a volume is faster and cheaper than creating a backup and restoring it to a new volume. When you clone a volume, you can change the block volume size, performance, encryption settings, and tags of the new volume. You do not need to detach a volume before cloning it, as cloning does not affect the source volume or its attachments. You cannot clone a volume to another region, as cloning only works within the same region and availability domain. Creating a clone usually takes less time than creating a backup of a volume, as cloning does not involve transferring data to Object Storage.
NEW QUESTION # 50
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 within 14 to 16 days and sends you a notification.
What would happen if you choose not to proactively reboot the instance before the scheduled maintenance due date?
- A. You will receive another notification to reboot within the next 14 days.
- B. The instance is either reboot-migrated or rebuilt in place for you.
- C. The instance will get terminated.
- D. You will receive another notification to reboot within the next 7 days.
Answer: B
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. Reference: [Reboot-Migration], [Rebuild in Place]
NEW QUESTION # 51
Which TWO components are optional while creating the Monitoring Query Language (MQL) expressions in the Oracle Cloud Infrastructure (OCI) Monitoring service?
- A. Interval
- B. Metric
- C. Grouping Function
- D. Dimensions
- E. Statistic
Answer: C,D
Explanation:
Dimensions and Grouping Function are two optional components while creating the Monitoring Query Language (MQL) expressions in the OCI Monitoring service. Dimensions are key-value pairs that provide additional information about a metric, such as region, compartment, or resource type. Grouping Function is a function that aggregates metric data across one or more dimensions, such as sum, count, or average. The other options are required components for MQL expressions. Reference: [Dimensions], [Grouping Function]
NEW QUESTION # 52
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