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NEW QUESTION # 33
You are using a custom application with third-party APIs to manage the application and data hosted in an Oracle Cloud Infrastructure (OCI) tenancy. Although your third-party APIs do not support OCI's signature-based authentication, you want them to communicate with OCI resources. Which authentication option should you use to ensure this?
- A. OCI Username and Password
- B. SSH Key Pair with 2048-bit algorithm
- C. Auth Tokens
- D. API Signing Key
Answer: C
Explanation:
Auth Tokens is the authentication option that you should use to ensure that your custom application with third-party APIs can communicate with OCI resources. Auth Tokens are tokens that can be used as an alternative to passwords when making API calls to OCI services. Auth Tokens can be generated and revoked by users in the OCI Console or CLI, and can be used with any API client that supports basic authentication. The other options are not suitable for this scenario, as they either require OCI's signature-based authentication or are not applicable for API calls. Reference: [Auth Tokens]
NEW QUESTION # 34
As your company's cloud architect, you have been invited by the CEO to join his staff meeting. They want your input on interconnecting Oracle Cloud Infrastructure (OCI) to another cloud provider in London, with some specific requirements:
* They want resources in the other cloud provider to leverage OCI Autonomous Data Warehouse ML capabilities.
* The connection between OCI and the other cloud provider should be provisioned as quickly as possible.
* The connection should offer high bandwidth and predictable performance.
Which other cloud provider should you recommend to interconnect with OCI and meet the above requirements?
- A. Google Cloud
- B. OCI
- C. Amazon Web Services
- D. Alibaba Cloud
- E. IBM Cloud
- F. Digital Ocean
- G. Microsoft Azure
Answer: G
Explanation:
The explanation is that Microsoft Azure is one of the cloud providers that has an interconnect location with OCI in London. This means that you can use OCI FastConnect to establish a private and dedicated connection between OCI and Azure in London, with high bandwidth and predictable performance. This connection can also enable you to leverage OCI Autonomous Data Warehouse ML capabilities from Azure resources, as you can access OCI services across regions using private IP addresses. The interconnect location can be provisioned quickly using the OCI and Azure consoles or APIs.
NEW QUESTION # 35
Which TWO statements are TRUE about Private IP addresses in Oracle Cloud Infrastructure (OCI)?
- A. A private IP can have an optional public IP assigned to it if it resides in a public subnet.
- B. By default, the primary VNIC of an instance in a subnet has one primary private IP address.
- C. Each VNIC can only have one private IP address.
- D. By default, the primary VNIC of an instance in a subnet has one primary private IP address and one secondary private IP address.
Answer: A,B
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 # 36
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 expect bandwidth above 2 Gbps.
- B. When setting up Site-to-Site VPN, customers can configure it to use static or dynamic routing (BGP).
- C. When setting up Site-to-Site VPN, OCI provisions redundant VPN tunnels.
- D. When setting up Site-to-Site VPN, it creates a private connection that provides consistent network experience.
Answer: B,C
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 # 37
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. Preemptible instances
- B. On-demand instances
- C. Burstable instances
- D. Spot instances
Answer: A
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 # 38
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 are processed after they are uploaded. The process is fast but not immediate. It creates samples and sends them to storage outside of the instances. Which type of instance is ideal for a process like this; short lived and one that keeps the cost low?
- A. Preemptible instances
- B. On-demand instances
- C. Burstable instances
- D. Spot instances
Answer: A
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 # 39
In which TWO ways does Cloud Guard help improve the overall security posture for your tenancy?
- A. Monitors unauthorized or suspicious user activity.
- B. Masks sensitive data and monitors security controls on your Oracle databases.
- C. Prevents you from creating misconfigurations on your resources in Oracle Cloud Infrastructure (OCI).
- D. Allows you to centrally manage encryption keys.
- E. Helps detect misconfigured resources, such as publicly accessible Object Storage buckets, instances, and restricted ports on security lists.
Answer: A,E
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 # 40
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 expect bandwidth above 2 Gbps.
- B. When setting up Site-to-Site VPN, customers can configure it to use static or dynamic routing (BGP).
- C. When setting up Site-to-Site VPN, OCI provisions redundant VPN tunnels.
- D. When setting up Site-to-Site VPN, it creates a private connection that provides consistent network experience.
Answer: B,C
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 # 41
Which THREE capabilities are available with the Oracle Cloud Infrastructure (OCI) DNS service?
- A. Creating and managing Identity Access Management (IAM) policies
- B. Creating and managing zones
- C. Creating and managing WAF rules
- D. Viewing all zones
- E. Creating and managing records
- F. Creating and managing security lists
Answer: B,D,E
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 # 42
Which statement is TRUE about delegating an existing domain to the OracleCloud Infrastructure (OCI) DNS service?
- A. All domains can be retrieved to OCI DNS via DYN.
- B. Domains can be delegated to OCI DNS via FastConnect partners.
- C. Domains can be delegated to OCI DNS from the OCI Marketplace.
- D. Domains can be self-delegated to OCI DNS from its own service portal.
- E. Domains can be delegated to OCI DNS from the Domain Registrar's self-service portal.
Answer: E
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 # 43
Which TWO statements are NOTcorrect regarding the Oracle Cloud Infrastructure (OCI) burstable instances?
- A. If the instance's average CPU utilization over the past 24 hours is below thebaseline, the system allows itto burst above the baseline.
- B. Burstable instances are designed for scenarios where an instance is not typically idle and has high CPUutilization.
- C. Burstable instances cost less than regular instances with the same total OCPU count.
- D. Baseline utilization is a fraction of each CPU core, either 25% or 75%.
- E. Burstable instances are charged according to the baseline OCPU.
Answer: B,D
Explanation:
Explanation
The explanation is that burstable instances are VM instances that have a baseline utilization of either 12% or 50% of each CPU core, not 25% or 75%. Burstable instances are designed for scenarios where an instance is typically idle or has low CPU utilization but occasionally needs to burst above the baseline to handle spikes in demand. Burstable instances cost less than regular instances with the same total OCPU count but charge extra for bursting above the baseline OCPU.
NEW QUESTION # 44
As a network architect you have deployed a public subnet on your Virtual Cloud Network (VCN) with this security list:
You have also created a network security group (NSG) as shown in the table here, and assigned it to your bastion host:
You have confirmed that routing is correct but when you SSH to the VM from your home over the Internet youare unable to connect.
What could be the problem?
- A. Public subnet does not have a route rule to the Internet Gateway.
- B. SSH traffic is not allowed in the security list nor on the NSG from the Internet.
- C. Internet traffic should be allowed only on the NSG.
- D. User will be able to SSH to the VM from the Internet as SSH is open on the NSG.
Answer: B
Explanation:
Explanation
SSH traffic is not allowed in the security list nor on the NSG from the Internet is the correct answer. This is because the security list only allows ingress traffic from 10.0.0.24 on port 22, and the NSG only allows ingress traffic from 10.0.0.0/16 on port 22. Neither of them allows ingress traffic from 0.0.0.0/0 (the Internet) on port
22, which is required for SSH access. The other options are not correct, as they do not explain why SSH access is not possible. References: [Security Lists], [Network Security Groups]
NEW QUESTION # 45
Which Oracle Cloud Infrastructure (OCI) Identity and Access Management (IAM) policy is invalid?
- A. Allow group A-Admins to manage all-resources in compartment Project-A
- B. Allow group A-Developers to create volumes in compartment Project-A
- C. Allow dynamic-group FrontEnd to manage instance-family in compartment Project-A
- D. Allow any-user to inspect users in tenancy
Answer: B
Explanation:
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. References: [IAM Policies], [Verbs]
NEW QUESTION # 46
Which statement accurately describes the key features and benefits of OCI Confidential Computing?
- A. It optimizes network performance and reduces latency through advancedrouting algorithms and cachingmechanisms.
- B. It enables users to securely store and retrieve data by using distributed file systems, ensuring high availability and fault tolerance.
- C. It encrypts and isolates in-use data and the applications processing that data, thereby preventing unauthorized access or modification.
- D. It provides automatic scalability and load balancing capabilities, which allow seamless integration withother cloud providers.
Answer: C
Explanation:
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. References: [Confidential Computing]
NEW QUESTION # 47
As your company's cloud architect, you have been invited by the CEO to join hisstaff meeting. They want yourinput on interconnecting Oracle Cloud Infrastructure (OCI) to another cloudprovider in London, with some specific requirements:
* They want resources in the other cloud provider to leverage OCI Autonomous Data Warehouse ML capabilities.
* The connection between OCI and the other cloud provider should be provisioned as quickly as possible.
* The connection should offer high bandwidth and predictable performance.
Which other cloud provider should you recommend to interconnect with OCI and meet the above requirements?
- A. Google Cloud
- B. OCI
- C. Amazon Web Services
- D. Alibaba Cloud
- E. IBM Cloud
- F. Digital Ocean
- G. Microsoft Azure
Answer: G
Explanation:
Explanation
The explanation is that Microsoft Azure is one of the cloud providers that has an interconnect location with OCI in London. This means that you can use OCI FastConnect to establish a private and dedicated connection between OCI and Azure in London, with high bandwidth and predictable performance. This connection can also enable you to leverage OCI Autonomous Data Warehouse ML capabilities from Azure resources, as you can access OCI services across regions using private IP addresses. The interconnect location can be provisioned quickly using the OCI and Azure consoles or APIs.
NEW QUESTION # 48
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. IP Prefix
- B. Load Balancer
- C. Geolocation
- D. Failover
Answer: C
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 # 49
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. The instance will get terminated.
- B. You will receive another notification to reboot within the next 14 days.
- C. The instance is either reboot-migrated or rebuilt in place for you.
- D. You will receive another notification to reboot within the next 7 days.
Answer: C
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 # 50
Which TWO components are optional while creating the Monitoring Query Language (MQL) expressions in the Oracle Cloud Infrastructure (OCI) Monitoring service?
- A. Statistic
- B. Metric
- C. Interval
- D. Grouping Function
- E. Dimensions
Answer: D,E
Explanation:
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. References: [Dimensions], [Grouping Function]
NEW QUESTION # 51
Which tool provides a diagram of the implemented topology of all Virtual Cloud Networks (VCNs) in a selected region and tenancy?
- A. Traffic Analytics
- B. Network Watcher
- C. VCN Flow Logs
- 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 # 52
Which is NOT a valid Oracle Cloud Infrastructure (OCI) Virtual Cloud Network (VCN) approach?
- A. Ensure not all IP addresses are allocated at once within a VCN or subnet; instead reserve some IP addresses for future use.
- B. Private subnets should ideally have individual route tables to control the flowof traffic within and outsideof VCN.
- 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 # 53
Which THREE capabilities are available with the Oracle Cloud Infrastructure (OCI) DNS service?
- A. Creating and managing Identity Access Management (IAM) policies
- B. Creating and managing zones
- C. Creating and managing WAF rules
- D. Viewing all zones
- E. Creating and managing records
- F. Creating and managing security lists
Answer: B,D,E
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. Reference: [DNS Service], [Records], [Zones]
NEW QUESTION # 54
Which THREE protocols are supported by the Oracle Cloud Infrastructure (OCI) Network Load Balancer?
- A. BGP
- B. UDP
- C. ICMP
- D. TCP
- E. HTTP
- F. iSCSI
Answer: B,C,D
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 # 55
You are using a custom application with third-party APIs to manage the application and data hosted in an OracleCloud Infrastructure (OCI) tenancy. Although your third-party APIs do not support OCI's signature-based authentication, you want them to communicate with OCI resources. Which authentication option should you useto ensure this?
- A. OCI Username and Password
- B. SSH Key Pair with 2048-bit algorithm
- C. Auth Tokens
- D. API Signing Key
Answer: C
Explanation:
Explanation
Auth Tokens is the authentication option that you should use to ensure that your custom application with third-party APIs can communicate with OCI resources. Auth Tokens are tokens that can be used as an alternative to passwords when making API calls to OCI services. Auth Tokens can be generated and revoked by users in the OCI Console or CLI, and can be used with any API client that supports basic authentication.
The other options are not suitable for this scenario, as they either require OCI's signature-based authentication or are not applicable for API calls. References: [Auth Tokens]
NEW QUESTION # 56
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 withan initial size of 5 instancesfor 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 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. - B. Goal: A recurring weekly schedule. On all days of the week at 8.30 a.m., scale out the pool to 10 instancesfrom the initial size of 5
- C. Goal: A one-time schedule with only one scaling out event. At 8:30 a.m., on December 31, 2021, scale theinstance pool to 10 instances from 5.
- D. Goal: A recurring daily schedule. On weekday mornings at 8.30 a.m., scale out to 10 instances.
Answer: D
Explanation:
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 # 57
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