1z0-1085-23 Questions - Truly Beneficial For Your Oracle Exam (Updated 187 Questions)
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Oracle 1z0-1085-23 Exam Syllabus Topics:
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NEW QUESTION # 20
You run 5 Oracle Cloud Infrastructure (OCI) Virtual Machine instances on an OCI dedicated virtual host. How will this deployment be billed?
- A. The dedicated virtual machine host all 5 instances, and the boot volume of each instance will be billed
- B. Only the dedicated virtual machine host will be billed
- C. All 5 instances will be billed on the basis of the number of OCPUs
- D. The dedicated virtual machine host and the boot volumes of each instance will be billed
Answer: D
Explanation:
You must create a dedicated virtual machine host before you can place any instances on it. When creating the dedicated virtual machine host, you select an availability domain and fault domain to launch it in. All the VM instances that you place on the host will subsequently be created in this availability domain and fault domain. You also select a compartment when you create the dedicated virtual machine host, but you can move the host to a new compartment later without impacting any of the instances placed on it. You can also create the instances in a different compartment than the dedicated virtual machine host, or move them to difference compartments after they have been launched.
You are billed for the dedicated virtual machine host as soon as you create it, but you are not billed for any of the individual VM instances you place on it. You will still be billed for image licensing costs if they apply to the image you are using for the VM instances.
Read more: https://docs.cloud.oracle.com/en-us/iaas/Content/Compute/Concepts/dedicatedvmhosts.htm
NEW QUESTION # 21
Which OCI storage service does not provide encryption for data at rest?
- A. Local NVMe
- B. Object Storage
- C. File Storage
- D. Block Volume
Answer: A
Explanation:
NVMe stands for non-volatile memory express. It is a storage protocol created to fasten the transfer of data between enterprise and client systems and solid-state drives (SSDs) over a computer's high-speed Peripheral Component Interconnect Express bus. The characteristics are:
1) Local NVMe is NVMe SSD-based temporary storage.
2) It is the locally-attached NVMe devices to the OCI compute instance
3) It is used very high storage performance requirements, lots of throughput, lots of IOPS, local storage and when you don't want to go out on network
4) Oracle does not protect in any way through RAID, or snapshots, or backup out of the box and data is not encrypted at rest.
NEW QUESTION # 22
Which statement is NOT true about compartments in Oracle Cloud infrastructure?
- A. Compartments are global resource.
- B. Compartments can be nested to create a hierarchy.
- C. Components provide a way to store and manage encryption keys and secrets.
- D. Identity and Access Management (IAM) policies can be written to grant access to resources in specific compartments.
Answer: C
Explanation:
Compartments do not provide a way to store and manage encryption keys and secrets in Oracle Cloud Infrastructure. Compartments are logical containers that help users organize and isolate their cloud resources. Compartments can be nested to create a hierarchy that reflects the structure of an organization or project. To store and manage encryption keys and secrets, users can use the Oracle Cloud Infrastructure Vault service, which is a fully managed service that provides centralized management of encryption keys, secrets, and certificates.
NEW QUESTION # 23
Which is a key benefit using Infrastructure Autonomous Oracle Cloud Database?
- A. Free migration from any cloud provider
- B. Unlimited storage capacity
- C. Support for all database technologies
- D. Reduce database management overhead
Answer: D
Explanation:
A key benefit of using Oracle Cloud Infrastructure Autonomous Database is that it reduces database management overhead by automating tasks such as provisioning, patching, tuning, backup, recovery, and scaling. This allows customers to focus on their core business rather than database administration6
NEW QUESTION # 24
What is the primary goal of the Oracle Cloud infrastructure shared security model?
- A. To make Oracle solely responsible for all aspects of security
- B. To reduce the customer's responsibility for security
- C. To ensure a comprehensive security posture by dividing security responsibilities between Oracle and the customer
Answer: C
Explanation:
To make the customer solely responsible for all aspects of security
Explanation:
The primary goal of the Oracle Cloud Infrastructure shared security model is to ensure a comprehensive security posture by dividing security responsibilities between Oracle and the customer. Security in the cloud is a shared responsibility between you and Oracle. Whereas Oracle ensures the security of cloud infrastructure and operations, your organization must define its own security guidelines. The shared security model helps you understand which security tasks are handled by Oracle and which tasks you must perform3.
NEW QUESTION # 25
A customer wants a dedicated and secure connection to their on-premises data center from their Oracle Cloud Infrastructure (OCI) resources.
Which TWO OCI services can be used?
(Choose all correct answers)
- A. NAT Gateway
- B. Remote Peering connection
- C. Internet Gateway
- D. FastConnect
- E. Site-to-Site VPN
Answer: B,C
NEW QUESTION # 26
What type of load balancing policy is supported by Oracle Cloud Infrastructure Load Balancer?
- A. Random
- B. Weight Least Connection
- C. Weighted Most Connection Random
- D. Round Robin
Answer: D
Explanation:
Round robin is a type of load balancing policy supported by Oracle Cloud Infrastructure Load Balancer. Round robin distributes incoming traffic evenly across all healthy backend servers in a backend set. Round robin ensures that each server receives an equal number of requests over time.
NEW QUESTION # 27
___________________ is a fully-managed, scalable, and highly available service that you can use to deploy your containerized applications to the cloud.
- A. Oracle Cloud Infrastructure Container Engine for Docker
- B. Oracle Cloud Infrastructure Container Engine for Containerization
- C. Oracle Cloud Infrastructure Container Engine for Deployment
- D. Oracle Cloud Infrastructure Container Engine for Kubernetes
Answer: D
Explanation:
Oracle Cloud Infrastructure Container Engine for Kubernetes is a fully-managed, scalable, and highly available service that you can use to deploy your containerized applications to the cloud. Use Container Engine for Kubernetes (sometimes abbreviated to just OKE) when your development team wants to reliably build, deploy, and manage cloud-native applications. You specify the compute resources that your applications require, and Container Engine for Kubernetes provisions them on Oracle Cloud Infrastructure in an existing OCI tenancy.
You can access Container Engine for Kubernetes to define and create Kubernetes clusters using the Console and the REST API. You can access the clusters you create using the Kubernetes command line (kubectl), the Kubernetes Dashboard, and the Kubernetes API.
Container Engine for Kubernetes is integrated with Oracle Cloud Infrastructure Identity and Access Management (IAM), which provides easy authentication with native Oracle Cloud Infrastructure identity functionality.
NEW QUESTION # 28
Which Oracle Cloud Infrastructure (OCI) database solution will be most economical for a customer looking to have the elasticity of the cloud with minimal administration and maintenance effort for their DBA team?
- A. OCI Virtual Machine DB Systems
- B. OCI Autonomous Database
- C. OCI Bare Metal DB Systems
- D. OCI Exadata DB Systems.
Answer: D
Explanation:
Exadata DB systems allow you to leverage the power of Exadata within the Oracle Cloud Infrastructure. An Exadata DB system consists of a base system, quarter rack, half rack, or full rack of compute nodes and storage servers, tied together by a high-speed, low-latency InfiniBand network and intelligent Exadata software. You can configure automatic backups, optimize for different workloads, and scale up the system to meet increased demands.
Oracle now offers the Zero Downtime Migration service, a quick and easy way to move on-premises Oracle Databases and Oracle Cloud Infrastructure Classic databases to Oracle Cloud Infrastructure. You can migrate databases to the following types of Oracle Cloud Infrastructure systems: Exadata, Exadata Cloud@Customer, bare metal, and virtual machine.
Zero Downtime Migration leverages Oracle Active Data Guard to create a standby instance of your database in an Oracle Cloud Infrastructure system. You switch over only when you are ready, and your source database remains available as a standby. Use the Zero Downtime Migration service to migrate databases individually or at the fleet level. See Move to Oracle Cloud Using Zero Downtime Migration for more information.
NEW QUESTION # 29
Which is NOT required to register and log support requests in My Oracle Support (MOS)?
- A. Your resource OCID (Oracle Cloud Identifier)
- B. Your account password
- C. Your Customer Support Identifier (CSl)
- D. Your tenancy OCID (Oracle Cloud Identifier)
Answer: A
Explanation:
You can open a support service request with Oracle Support
To create a service request:
Go to My Oracle Support and sign in.
If you are not signed in to Oracle Cloud Support, click Switch to Cloud Support at the top of the page.
Click Create Service Request.
Select the following from the displayed menus:
Service Type: Select Oracle Cloud Infrastructure from the list.
Service Name: Select the appropriate option for your organization.
Problem Type: Select your problem type from the list.
Enter your contact information.
Enter a Description, and then enter the required fields specific to your issue. For most Oracle Cloud Infrastructure issues you need to include the OCID (Oracle Cloud Identifier) for each resource you need help with. See Locating Oracle Cloud Infrastructure IDs for instructions on locating these.
Reference:
https://www.zerowait-state.com/blog/create-sr/
NEW QUESTION # 30
What is the primary purpose of Oracle Cloud infrastructure functions?
- A. To store and manage files
- B. To execute code in response to events or HTTP requests
- C. To deploy and manage virtual machine
- D. To provide a managed database service
Answer: B
Explanation:
The primary purpose of Oracle Cloud Infrastructure Functions is to execute code in response to events or HTTP requests. Functions is a fully managed, serverless platform that allows users to deploy and run code without provisioning or managing any infrastructure. Functions can be triggered by various sources, such as object storage, streaming, API gateway, or other cloud services.
NEW QUESTION # 31
Which TWO statements correctly describe the Oracle Cloud Infrastructure (OCI) Accelerated Data Science (ADS) SDK?
(Choose all correct answers)
- A. It is included as part of the Data Science service.
- B. It is a PHP library that makes common tasks faster, easier, and less error prone.
- C. It is a JavaScript library that makes common tasks faster, easier, and less error prone.
- D. It is a Python library that makes common tasks faster, easier, and less error prone.
- E. It is an additional cost to the Data Science service.
Answer: A,D
Explanation:
The Accelerated Data Science (ADS) SDK is an Oracle-developed Python library that makes common data science tasks faster, easier, and less error prone. The ADS SDK provides tools for data ingestion, exploration, transformation, visualization, modeling, evaluation, interpretation, and deployment. The ADS SDK also integrates with other popular Python libraries such as pandas, scikit-learn, TensorFlow, PyTorch, etc.
The ADS SDK is included as part of the Data Science service at no additional cost. The Data Science service is a fully managed platform that enables data scientists to build, train, deploy, and manage machine learning models on OCI. The Data Science service provides access to notebook sessions that come pre-installed with the ADS SDK and other essential Python packages for data science workflows.
NEW QUESTION # 32
Which Oracle cloud infrastructure capability can be used to protect against power failures within an availability Domain?
- A. Top of Rack Switch
- B. Services Cells
- C. Fault Domains
- D. Data Plane
Answer: C
Explanation:
A fault domain is a grouping of hardware and infrastructure within an availability domain. Each availability domain contains three fault domains. Fault domains provide anti-affinity: they let you distribute your instances so that the instances are not on the same physical hardware within a single availability domain. A hardware failure or Compute hardware maintenance event that affects one fault domain does not affect instances in other fault domains. In addition, the physical hardware in a fault domain has independent and redundant power supplies, which prevents a failure in the power supply hardware within one fault domain from affecting other fault domains.
To control the placement of your compute instances, bare metal DB system instances, or virtual machine DB system instances, you can optionally specify the fault domain for a new instance or instance pool at launch time. If you don't specify the fault domain, the system selects one for you. Oracle Cloud Infrastructure makes a best-effort anti-affinity placement across different fault domains, while optimizing for available capacity in the availability domain. To change the fault domain for an instance, terminate it and launch a new instance in the preferred fault domain.
Use fault domains to do the following things:
Protect against unexpected hardware failures or power supply failures.
Protect against planned outages because of Compute hardware maintenance.
Reference:
https://blogs.oracle.com/cloud-infrastructure/using-availibility-domains-and-fault-domains-to-improve-application-resiliency
NEW QUESTION # 33
Which Oracle Cloud Infrastructure service can you use to assess user security of your Oracle databases?
- A. Oracle Data Guard
- B. Audit Vault and Database Firewall option for Oracle Database Enterprise Edition
- C. Audit Service
- D. Oracle Data Safe
Answer: D
Explanation:
Oracle Data Safe is a unified control center for your Oracle databases which helps you understand the sensitivity of your data, evaluate risks to data, mask sensitive data, implement and monitor security controls, assess user security, monitor user activity, and address data security compliance requirements.
Whether you're using an Autonomous Database or an Oracle DB system, Oracle Data Safe delivers essential data security capabilities as a service on Oracle Cloud Infrastructure.
NEW QUESTION # 34
Which is an example of Edge Services in Oracle Cloud Infrastructure (OCI)?
- A. Object Storage
- B. Web Application Firewall
- C. Virtual Firewall
- D. Virtual Cloud Network (VCN)
Answer: B
Explanation:
Oracle Cloud Infrastructure Web Application Firewall (WAF) is a cloud-based, Payment Card Industry (PCI) compliant, global security service that protects applications from malicious and unwanted internet traffic. WAF can protect any internet facing endpoint, providing consistent rule enforcement across a customer's applications.
WAF provides you with the ability to create and manage rules for internet threats including Cross-Site Scripting (XSS), SQL Injection and other OWASP-defined vulnerabilities. Unwanted bots can be mitigated while tactically allowed desirable bots to enter. Access rules can limit based on geography or the signature of the request.
Reference:
https://blogs.oracle.com/cloud-infrastructure/innovation-in-edge-services-the-oracle-cloud-infrastructure-edge-network
NEW QUESTION # 35
Your company has deployed a business critical application in Oracle Cloud Infrastructure. What should you do to ensure that your application has the highest level of resilience and availability?
- A. Deploy the application across multiple Regions and Availability Domains
- B. Deploy the application across multiple Availability Domains and Subnets
- C. Deploy the application across multiple Virtual Cloud Networks
- D. Deploy the application across multiple Availability Domains and Fault Domains
Answer: A
Explanation:
To design a high availability architecture, three key elements should be considered- redundancy, monitoring, and failover:
1) Redundancy means that multiple components can perform the same task. The problem of a single point of failure is eliminated because redundant components can take over a task performed by a component that has failed.
2) Monitoring means checking whether or not a component is working properly.
3) Failover is the process by which a secondary component becomes primary when the primary component fails.
The best practices introduced here focus on these three key elements. Although high availability can be achieved at many different levels, including the application level and the cloud infrastructure level, here we will focus on the cloud infrastructure level.
An Oracle Cloud Infrastructure region is a localized geographic area composed of one or more availability domains, each composed of three fault domains. High availability is ensured by a redundancy of fault domains within the availability domains.
An availability domain is one or more data centers located within a region. Availability domains are isolated from each other, fault tolerant, and unlikely to fail simultaneously. Because availability domains do not share physical infrastructure, such as power or cooling, or the internal availability domain network, a failure that impacts one availability domain is unlikely to impact the availability of others.
A fault domain is a grouping of hardware and infrastructure within an availability domain. Each availability domain contains three fault domains. Fault domains let you distribute your instances so that they are not on the same physical hardware within a single availability domain. As a result, an unexpected hardware failure or a Compute hardware maintenance that affects one fault domain does not affect instances in other fault domains. You can optionally specify the fault domain for a new instance at launch time, or you can let the system select one for you.
All the availability domains in a region are connected to each other by a low-latency, high bandwidth network. This predictable, encrypted interconnection between availability domains provides the building blocks for both high availability and disaster recovery.
NEW QUESTION # 36
You want to migrate mission-critical Oracle E- Business Suite application to Oracle Cloud Infrastructure (OCI) with full control and access to the underlying infrastructure.
Which option meets this requirement?
- A. Oracle Exadata Cloud at customer, Storage Gateway and API Gateway
- B. OCI Exadata DB Systems and Oracle Functions
- C. Replace E-Business Suite with an Oracle SaaS application
- D. OCI Exadata DB Systems and OCI compute instances
Answer: D
NEW QUESTION # 37
Which service is the most effective for moving large amounts of data from your on-premises to OCI?
- A. Dynamic Routing Gateway
- B. Data Safe
- C. Data Transfer appliance
- D. Internal Gateway
Answer: C
NEW QUESTION # 38
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