2023年最新の1z0-1085-22試験問題集で最近更新された152問題
Oracle 1z0-1085-22リアル2023年最新のブレーン問題集で模擬試験問題集
Oracle 1z0-1085-22試験は、クラウドインフラストラクチャの概念とOracle Cloud Infrastructure（OCI）サービスに関する知識とスキルを検証したい個人を対象として設計されています。この試験は、OCIに新しく取り組んでいるプロフェッショナルを対象としており、クラウドインフラストラクチャ技術の強固な基盤を構築したい場合に適しています。この試験は、クラウドの概念、OCIのコアサービス、セキュリティとコンプライアンス、価格設定と請求、トラブルシューティングなど、幅広いトピックをカバーしています。
質問 # 79
A customer wants a dedicated connection with minimal network latency from their on-premises data center to Oracle Cloud Infrastructure (OCI).
Which service should they choose?
- A. OCI FastConnact
- B. Virtual Cloud Network Remote Peering
- C. Public internet
- D. IPSec Virtual Private Network (VPN)
正解：A
解説：
Oracle Cloud Infrastructure FastConnect provides an easy way to create a dedicated, private connection between your data center and Oracle Cloud Infrastructure. FastConnect provides higher-bandwidth options, and a more reliable and consistent networking experience compared to internet-based connections.
質問 # 80
Which Oracle Cloud Infrastructure (OCI) capability allows you to set up alerts to notify you if a budget forecast exceeds or spending surpasses a certain amount?
- A. Events
- B. Budget
- C. Cost Analysis
- D. Monitoring
正解：B
質問 # 81
Which security service is offered by Oracle Cloud Infrastructure?
- A. Managed Active Directory
- B. Key Management
- C. Certificate Management System
- D. Managed Intrusion Detection
正解：B
解説：
Oracle Cloud Infrastructure Key Management is a managed service that enables you to encrypt your data using keys that you control.
質問 # 82
What is the frequency of OCI usage report generation?
- A. Monthly
- B. Annually
- C. Daily
- D. Weekly
正解：C
解説：
A usage report is a comma-separated value (CSV) file that can be used to get a detailed breakdown of resources in Oracle Cloud Infrastructure for audit or invoice reconciliation.
The usage report is automatically generated daily, and is stored in an Oracle-owned Object Storage bucket. It contains one row per each Oracle Cloud Infrastructure resource (such as instance, Object Storage bucket, VNIC) per hour along with consumption information, metadata, and tags. Usage reports generally contain 24 hours of usage data, although occasionally a usage report may contain late-arriving data that is older than 24 hours.
Usage reports are retained for one year.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Billing/Concepts/billingoverview.htm
https://docs.cloud.oracle.com/en-us/iaas/Content/Billing/Concepts/usagereportsoverview.htm
質問 # 83
Which Oracle Cloud Infrastructure compute shapes does not incur instance billing in a STOPPED state?
- A. Standard
- B. GPU
- C. HPC
- D. Dense I/O
正解：A
解説：
A shape is a template that determines the number of CPUs, amount of memory, and other resources that are allocated to an instance.
Standard shapes don't incur costs in a STOPPED state.
質問 # 84
Which pricing model is NOT supported by Oracle Cloud Infrastructure?
- A. Universal Credits - Monthly Flex
- B. Reserved Infrastructure
- C. Pay-as-you-go
- D. Bring your own license
正解：B
解説：
The available purchase models are:
Pay As You Go (PAYG): Billed in arrears based on consumption. Recommended for organizations who are trying new services, rapid prototyping, or for elastic scaling.
Monthly Flex: Billed in advance with a 12-month minimum. Use monthly or forfeit that month's credits. Recommended for customers with predictable production workloads or large long-running applications, such as HR, payroll, analytics, and more. Monthly Flex maximizes cost reduction with predictable monthly spend, similar to your monthly phone plan. Delivers faster time to market by offering customers the choice of using any IaaS and PaaS services.
Oracle's current PaaS offering is "license-included PaaS." It includes:
* Compute and compute support
* Automation
* License entitlement and license support
Bring your own license
BYOL stands for "bring your own license." Previously, you could bring your own licenses to Oracle IaaS, but to get the benefits of PaaS automation, you couldn't leverage existing licenses. This has been changed. We're offering Oracle BYOL to PaaS, enabling our customers to leverage their investment in existing on-premises licenses in their journey to the cloud.
Oracle BYOL to PaaS includes:
* Compute and compute support
* Automation
* Customers bring their on-premises license entitlement and get license support via their existing on-premises support contract.
* As customers leverage their existing on-premises license entitlement, they can move to the cloud at a lower cost.
Reference:
https://www.oracle.com/in/cloud/bring-your-own-license/faq/universal-credit-pricing.html OCI doesn't offer Reserved instances.
Enterprise users and technology vendors alike require cost predictability to plan their budgets and run their business. The cost for running applications, databases, and large workloads in the cloud can be extremely difficult to forecast leading to unforeseen expenses. Not with Oracle Cloud. Oracle has simple rate structures that eliminate the cost surprises associated with hard-to-estimate usage elements like data egress and storage performance. Oracle also charges the same rates for all regions, so going global on Oracle Cloud means no hidden cost variances. Thus, Oracle's cloud will provide you with industry leading price-performance and tremendous business value.
質問 # 85
Which statement about Oracle Cloud Infrastructure (OCI) shared security model is true?
- A. You are responsible for securing the hypervisor within OCI Compute service.
- B. You are responsible for securing all data that you place in OCI
- C. You are responsible for managing security controls within the physical OCI network.
- D. You are not responsible for any aspect of security in OCI.
正解：B
解説：
Oracle Cloud Infrastructure offers best-in-class security technology and operational processes to secure its enterprise cloud services. However, for you to securely run your workloads in Oracle Cloud Infrastructure, you must be aware of your security and compliance responsibilities. By design, Oracle provides security of cloud infrastructure and operations (cloud operator access controls, infrastructure security patching, and so on), and you are responsible for securely configuring your cloud resources. Security in the cloud is a shared responsibility between you and Oracle.
In a shared, multi-tenant compute environment, Oracle is responsible for the security of the underlying cloud infrastructure (such as data-center facilities, and hardware and software systems) and you are responsible for securing your workloads and configuring your services (such as compute, network, storage, and database) securely.
In a fully isolated, single-tenant, bare metal server with no Oracle software on it, your responsibility increases as you bring the entire software stack (operating systems and above) on which you deploy your applications. In this environment, you are responsible for securing your workloads, and configuring your services (compute, network, storage, database) securely, and ensuring that the software components that you run on the bare metal servers are configured, deployed, and managed securely.
More specifically, your and Oracle's responsibilities can be divided into the following areas:
Identity and Access Management (IAM): As with all Oracle cloud services, you should protect your cloud access credentials and set up individual user accounts. You are responsible for managing and reviewing access for your own employee accounts and for all activities that occur under your tenancy. Oracle is responsible for providing effective IAM services such as identity management, authentication, authorization, and auditing.
Workload Security: You are responsible for protecting and securing the operating system and application layers of your compute instances from attacks and compromises. This protection includes patching applications and operating systems, operating system configuration, and protection against malware and network attacks. Oracle is responsible for providing secure images that are hardened and have the latest patches. Also, Oracle makes it simple for you to bring the same third-party security solutions that you use today.
Data Classification and Compliance: You are responsible for correctly classifying and labeling your data and meeting any compliance obligations. Also, you are responsible for auditing your solutions to ensure that they meet your compliance obligations.
Host Infrastructure Security: You are responsible for securely configuring and managing your compute (virtual hosts, containers), storage (object, local storage, block volumes), and platform (database configuration) services. Oracle has a shared responsibility with you to ensure that the service is optimally configured and secured. This responsibility includes hypervisor security and the configuration of the permissions and network access controls required to ensure that hosts can communicate correctly and that devices are able to attach or mount the correct storage devices.
Network Security: You are responsible for securely configuring network elements such as virtual networking, load balancing, DNS, and gateways. Oracle is responsible for providing a secure network infrastructure.
Client and Endpoint Protection: Your enterprise uses various hardware and software systems, such as mobile devices and browsers, to access your cloud resources. You are responsible for securing all clients and endpoints that you allow to access Oracle Cloud Infrastructure services.
Physical Security: Oracle is responsible for protecting the global infrastructure that runs all of the services offered in Oracle Cloud Infrastructure. This infrastructure consists of the hardware, software, networking, and facilities that run Oracle Cloud Infrastructure services.
Reference:
https://www.oracle.com/a/ocom/docs/oracle-cloud-infrastructure-security-architecture.pdf
質問 # 86
Which statement is true for an oracle cloud Infrastructure (OCI) compute instance?
- A. Compute instance cannot leverage auto scaling feature
- B. Compute instance does not use a boot volume
- C. Compute instance always get a private IP address
- D. Compute instance always get a public IP address
正解：C
解説：
When you create an instance, the instance is automatically attached to a virtual network interface card (VNIC) in the cloud network's subnet and given a private IP address from the subnet's CIDR. You can let the IP address be automatically assigned, or you can specify a particular address of your choice. The private IP address lets instances within the cloud network communicate with each other.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Compute/Tasks/launchinginstance.htm Instances use IP addresses for communication. Each instance has at least one private IP address and optionally one or more public IP addresses. A private IP address enables the instance to communicate with other instances inside the VCN, or with hosts in your on-premises network (via an IPSec VPN or Oracle Cloud Infrastructure FastConnect). A public IP address enables the instance to communicate with hosts on the internet.
質問 # 87
You have a mission-critical application which requires to be globally available at all times.
Which deployment strategy should you adopt?
- A. Use multiple Fault Domains In each Availability Domain in each Region.
- B. Use multiple Fault Domains in any Availability Domain in multiple Regions.
- C. Use multiple Fault Domains In one Region.
- D. Use multiple Availability Domains In one Region.
正解：A
解説：
Oracle Cloud Infrastructure is hosted in regions and availability domains. A region is a localized geographic area, and an availability domain is one or more data centers located within a region. A region is composed of one or more availability domains.
Regions are independent of other regions and can be separated by vast distances-across countries or even continents.
Availability domains are isolated from each other, fault tolerant, and very unlikely to fail simultaneously. Because availability domains do not share infrastructure such as power or cooling, or the internal availability domain network, a failure at one availability domain within a region is unlikely to impact the availability of the others within the same region.
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.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/General/Concepts/regions.htm
質問 # 88
Which Oracle Cloud Infrastructure (OCI) service allows you to automate provisioning of Infrastructure resources using Terraform?
- A. Events
- B. Oracle Functions
- C. Compute
- D. Resource Manager
正解：B
質問 # 89
What does compute instance horizonal scaling mean?
- A. backing up data to object storage
- B. adding additional compute instances
- C. stopping/starting the instance
- D. changing compute instance size
正解：B
解説：
Cloud Horizontal Scaling refers to provisioning additional servers to meet your needs, often splitting workloads between servers to limit the number of requests any individual server is getting. In a cloud-based environment, this would mean adding additional instances instead of moving to a larger instance size.
Cloud Vertical Scaling refers to adding more CPU or memory to an existing server, or replacing one server with a more powerful server.
Reference:
https://cloudcheckr.com/cloud-cost-management/cloud-vs-data-center-what-is-scalability-in-cloud-computing/ Horizontal scaling means that you scale by adding more machines into your pool of resources whereas Vertical scaling means that you scale by adding more power (CPU, RAM) to an existing machine.
An easy way to remember this is to think of a machine on a server rack, we add more machines across the horizontal direction and add more resources to a machine in the vertical direction.
With horizontal-scaling it is often easier to scale dynamically by adding more machines into the existing pool - Vertical-scaling is often limited to the capacity of a single machine, scaling beyond that capacity often involves downtime and comes with an upper limit.
質問 # 90
Which Oracle cloud infrastructure capability can be used to protect against power failures within an availability Domain?
- A. Top of Rack Switch
- B. Data Plane
- C. Services Cells
- D. Fault Domains
正解：D
解説：
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
質問 # 91
Which feature allows you to group and logically isolate your Oracle Cloud Infrastructure (OCI) resources?
- A. Compartments
- B. Identity and Access Management Groups
- C. Tenancy
- D. Availability Domains
正解：A
解説：
It is collection of related resources. Compartments are a fundamental component of Oracle Cloud Infrastructure for organizing and isolating your cloud resources. You use them to clearly separate resources for the purposes of measuring usage and billing, access (through the use of IAM Service policies), and isolation (separating the resources for one project or business unit from another). A common approach is to create a compartment for each major part of your organization. For more information, see Overview of the IAM Service and also Setting Up Your Tenancy.
To place a resource in a compartment, simply specify the compartment ID in the "Create" request object when initially creating the resource. For example, to launch an instance into a particular compartment, specify that compartment's OCID in the LaunchInstance request. You can't move an existing resource from one compartment to another.
To use any of the API operations, you must be authorized in an IAM policy. If you're not authorized, talk to an administrator. If you're an administrator who needs to write policies to give users access, see Getting Started with Policies.
質問 # 92
Which TWO Oracle Cloud Infrastructure (OCI) Virtual Cloud Network (VCN) firewall features can be used for controlling traffic?
(Choose all correct answers}
- A. Security Lists
- B. Network Security Groups
- C. VCN Flow Logs
- D. Network visualizer
- E. VNIC Metrics
正解：A、B
質問 # 93
Which TWO statements correctly describe Oracle Cloud Infrastructure (OCI) Service Level Agreements (SLAs)? (Choose all correct answers)
- A. Financially backed commitment to provide a minimum level of service to customers.
- B. financially backed commitment to provide a maximum level of service to customers.
- C. Defined as a number of nines for a week and a percentage credit.
- D. Defined as a number of eights for a month and a percentage credit.
- E. Defined as a number of eights for a week and a percentage credit.
- F. Defined as a number of nines for a month and a percentage credit.
正解：A、F
質問 # 94
Which feature is not component of Oracle cloud Infrastructure identity and Access management service?
- A. federation
- B. Network Security Group
- C. Policies
- D. User Credential
正解：B
解説：
Components of IAM
RESOURCE
The cloud objects that your company's employees create and use when interacting with Oracle Cloud Infrastructure. For example: compute instances, block storage volumes, virtual cloud networks (VCNs), subnets, route tables, etc.
USER
An individual employee or system that needs to manage or use your company's Oracle Cloud Infrastructure resources. Users might need to launch instances, manage remote disks, work with your virtual cloud network, etc. End users of your application are not typically IAM users. Users have one or more IAM credentials (see User Credentials).
GROUP
A collection of users who all need the same type of access to a particular set of resources or compartment.
DYNAMIC GROUP
A special type of group that contains resources (such as compute instances) that match rules that you define (thus the membership can change dynamically as matching resources are created or deleted). These instances act as "principal" actors and can make API calls to services according to policies that you write for the dynamic group.
NETWORK SOURCE
A group of IP addresses that are allowed to access resources in your tenancy. The IP addresses can be public IP addresses or IP addresses from a VCN within your tenancy. After you create the network source, you use policy to restrict access to only requests that originate from the IPs in the network source.
COMPARTMENT
A collection of related resources. Compartments are a fundamental component of Oracle Cloud Infrastructure for organizing and isolating your cloud resources. You use them to clearly separate resources for the purposes of measuring usage and billing, access (through the use of policies), and isolation (separating the resources for one project or business unit from another). A common approach is to create a compartment for each major part of your organization. For more information, see Setting Up Your Tenancy.
TENANCY
The root compartment that contains all of your organization's Oracle Cloud Infrastructure resources. Oracle automatically creates your company's tenancy for you. Directly within the tenancy are your IAM entities (users, groups, compartments, and some policies; you can also put policies into compartments inside the tenancy). You place the other types of cloud resources (e.g., instances, virtual networks, block storage volumes, etc.) inside the compartments that you create.
POLICY
A document that specifies who can access which resources, and how. Access is granted at the group and compartment level, which means you can write a policy that gives a group a specific type of access within a specific compartment, or to the tenancy itself. If you give a group access to the tenancy, the group automatically gets the same type of access to all the compartments inside the tenancy. For more information, see Example Scenario and How Policies Work. The word "policy" is used by people in different ways: to mean an individual statement written in the policy language; to mean a collection of statements in a single, named "policy" document (which has an Oracle Cloud ID (OCID) assigned to it); and to mean the overall body of policies your organization uses to control access to resources.
HOME REGION
The region where your IAM resources reside. All IAM resources are global and available across all regions, but the master set of definitions reside in a single region, the home region. You must make changes to your IAM resources in your home region. The changes will be automatically propagated to all regions. For more information, see Managing Regions.
FEDERATION
A relationship that an administrator configures between an identity provider and a service provider. When you federate Oracle Cloud Infrastructure with an identity provider, you manage users and groups in the identity provider. You manage authorization in Oracle Cloud Infrastructure's IAM service. Oracle Cloud Infrastructure tenancies are federated with Oracle Identity Cloud Service by default.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Identity/Concepts/overview.htm
質問 # 95
Which Oracle Cloud Infrastructure (OCl) service is NOT available as part of Oracle Cloud Free Tier?
- A. Exadata DB Systems
- B. Compute
- C. Monitoring
- D. Autonomous Data Warehouse
正解：A
質問 # 96
A customer wants to deploy a customized e commerce Web application using multiple virtual machines, block storage, databases, load balancer and web application firewall.
What cloud model can be used to host this application?
- A. Platform as a Service (PaaS)
- B. Infrastructure as a Service (IaaS)
- C. Anything as a Service (XaaS)
- D. Software as a Service (SaaS)
正解：B
解説：
https://www.oracle.com/cloud/what-is-iaas/
What Is IaaS?
Infrastructure as a service (IaaS) is a type of cloud service model in which computing resources are hosted in the cloud. Businesses can use the IaaS model to shift some or all of their use of on-premises or colocated data center infrastructure to the cloud, where it is owned and managed by a cloud provider. These infrastructure elements can include compute, network, and storage hardware as well as other components and software.
In the IaaS model, the cloud provider owns and operates the hardware and software and also owns or leases the data center. When you have an IaaS solution, you rent the resources like compute or storage, provision them when needed, and pay for the resources your organization consumes. For some resources such as compute, you'll pay for the resources you use. For others such as storage, you'll pay for capacity.
How Does IaaS Work?
In a typical IaaS model, a business-which can be of any size-consumes services like compute, storage, and databases from a cloud provider. The cloud provider offers those services by hosting hardware and software in the cloud. The business will no longer need to purchase and manage its own equipment, or space to host the equipment, and the cost will shift to a pay-as-you-go model. When the business needs less, it pays for less. And when it grows, it can provision additional computing resources and other technologies in minutes.
In contrast, in a traditional on-premises scenario, a business manages and maintains its own data center. The business must invest in servers, storage, software, and other technologies, and hire an IT staff or contractors to purchase, manage, and upgrade all the equipment and licenses. The data center has to be built to meet peak demand, even though sometimes workloads decline and those resources stand idle. Conversely, if the business grows quickly, the IT department might struggle to keep up.
質問 # 97
Which TWO features can be used to manage cost In an Oracle Cloud Infrastructure (OCI) tenancy?
(Choose all correct answers)
- A. Compartment Quotas
- B. Budgets
- C. Health Checks
- D. Account Controller
- E. Service Logs
正解：A、B
質問 # 98
Which Is NOT a supported target environment for deploying artifacts using the Oracle Cloud Infrastructure (OCI) DevOps service?
- A. Oracle Cloud VMware Solution
- B. Oracle Container Engine for Kubemetes (OKE) Cluster
- C. OCI Compute Instances
- D. OCI Functions
正解：C
質問 # 99
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. OCI Exadata DB Systems and OCI compute instances
- B. OCI Exadata DB Systems and Oracle Functions
- C. Oracle Exadata Cloud at customer, Storage Gateway and API Gateway
- D. Replace E-Business Suite with an Oracle SaaS application
正解：A
質問 # 100
What is NOT a primary use case for the Oracle Cloud VMware Solution?
- A. Disaster Recovery
- B. Hyper-v workloads
- C. Data Center Extension
- D. Cloud Migration
正解：B
質問 # 101
Oracle cloud Infrastructure is compliant with which three industry standards?
- A. ISO 27001:2013 certification
- B. Health Insurance Portability and Accountability Act (HIPAA)
- C. SOC 1 Type 2 and SOC 2 Type 2 attestations
- D. NERC Critical Infrastructure Protection Standards
- E. Health Care Compliance Association (HCCA)
正解：A、B、C
解説：
Here is the official list of all industry standards that OCI complies with : https://www.oracle.com/in/cloud/cloud-infrastructure-compliance/
質問 # 102
Which kind of scaling is supported by virtual machines in Oracle Cloud Infrastructure Compute service?
- A. Only scaling in
- B. Only scaling up or down
- C. Only scaling out
- D. Scaling up or down, and scaling in or out
正解：D
解説：
Horizontal scaling means that you scale by adding more machines into your pool of resources whereas Vertical scaling means that you scale by adding more power (CPU, RAM) to an existing machine.
An easy way to remember this is to think of a machine on a server rack, we add more machines across the horizontal direction and add more resources to a machine in the vertical direction.
With horizontal-scaling it is often easier to scale dynamically by adding more machines into the existing pool - Vertical-scaling is often limited to the capacity of a single machine, scaling beyond that capacity often involves downtime and comes with an upper limit.
質問 # 103
Which CANNOT be used with My Oracle Support (MOS)?
- A. Add or change a tenancy administrator
- B. Troubleshoot your resources in an Oracle Cloud Infrastructure Free Trial account
- C. Request a Service Limit increase
- D. Reset the password or unlock the account for the tenancy administrator
正解：B
解説：
Open a support service request with MOS option is available to paid accounts. Customers using only Always Free resources are not eligible for Oracle Support. Limited support is available to Free Tier accounts with Free Trial credits. After you use all of your credits or after your trial period ends (whichever comes first), you must upgrade to a paid account to access Oracle Support. If you choose not to upgrade and continue to use Always Free Services, you will not be eligible to raise a service request in My Oracle Support.
In addition to support for technical issues, use My Oracle Support if you need to:
* Reset the password or unlock the account for the tenancy administrator
* Add or change a tenancy administrator
* Request a service limit increase
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/GSG/Tasks/contactingsupport.htm
質問 # 104
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