最新2024年01月18日リアルな1z0-1085-22試験問題集解答で有効な1z0-1085-22問題集PDF
Oracle 1z0-1085-22試験問題集でPDF問題とテストエンジン
Oracle 1z0-1085-22 認定試験は、Oracle Cloud Infrastructure (OCI) 2022 の知識とスキルを検証したい個人向けに設計されています。この認定試験は、クラウドに新しい人や OCI サービス、アーキテクチャ、展開の基礎を学びたい人を対象としています。試験では、受験者がコンピュート、ストレージ、ネットワーキングを含む OCI サービスとリソースを扱う能力をテストします。
Oracle 1z0-1085-22試験に合格するためには、候補者はクラウドコンピューティングの概念やOCIサービスについての堅実な理解、OCIに関する実践的な経験が必要です。この試験では、OCIサービスやそのユースケースを特定し、価格設定と請求モデルを理解し、一般的なOCIの問題をトラブルシューティングする能力を示す必要があります。この認定資格は、クラウドインフラストラクチャでのキャリアを追求したい個人や、Oracle Cloud Infrastructureの知識とスキルを向上させたい個人に最適です。この認定を取得することは、候補者がクラウドテクノロジーにおける継続的な学習と職業的発展に取り組んでいることを示しています。
質問 # 91
What is the frequency of OCI usage report generation?
- A. Monthly
- B. Daily
- C. Weekly
- D. Annually
正解:B
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 # 92
Which of the following services can you control access to via IAM?
- A. All services including IAM
- B. DB systems
- C. Compute Instances
- D. Networking components
正解:A
解説:
Oracle Cloud Infrastructure Identity and Access Management (IAM) lets you control who has access to your cloud resources. You can control what type of access a group of users have and to which specific resources. This section gives you an overview of IAM components and an example scenario to help you understand how they work together.
質問 # 93
Which Oracle Cloud Infrastructure (OCI) service allows you to automate provisioning of Infrastructure resources using Terraform?
- A. Resource Manager
- B. Events
- C. Compute
- D. Oracle Functions
正解:D
質問 # 94
You run 5 Oracle Cloud Infrastructure (OCI) Virtual Machine instances on an OCI dedicated virtual host. How will this deployment be billed?
- A. All 5 instances will be billed on the basis of the number of OCPUs
- B. The dedicated virtual machine host all 5 instances, and the boot volume of each instance will be billed
- C. The dedicated virtual machine host and the boot volumes of each instance will be billed
- D. Only the dedicated virtual machine host will be billed
正解:C
解説:
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
質問 # 95
You have backup data that needs to be stored for at least six months. This data is not supposed to be accessed frequently, but needs to be available immediately when needed. You also want to reduce your storage costs.
Which Oracle Cloud Infrastructure (OCI) Object Storage tier can be used to meet these requirements?
- A. Standard tier
- B. Archive tier
- C. Auto-Tiering
- D. Infrequent access tier
正解:B
質問 # 96
You have an extremely high performance database workload that requires atleast 105 IOPS/GB and 100,000 IOPS per volume.
Which Oracle Cloud Infrastructure (OCI) Block Volume performance level can be used to meet this requirement?
- A. Lower cost
- B. Higher Performance
- C. Balanced
- D. Ultra High Performance
正解:D
質問 # 97
Which statement is NOT valid regarding the Oracle Cloud Infrastructure (OCI) Block Volume service?
- A. You can increase the size of a block volume.
- B. You can expand an existing block volume in place with online resizing.
- C. You can decrease the size of a blockvolume.
- D. You can clone an existing block volume to a new, larger volume.
正解:C
質問 # 98
Which TWO statements correctly describe the Oracle Cloud Infrastructure (OCI) Accelerated Data Science (ADS) SDK?
(Choose all correct answers)
- A. It is a Python library that makes common tasks faster, easier, and less error prone.
- B. It is a JavaScript library that makes common tasks faster, easier, and less error prone.
- C. It is included as part of the Data Science service.
- D. It is a PHP library that makes common tasks faster, easier, and less error prone.
- E. It is an additional cost to the Data Science service.
正解:A、C
質問 # 99
What does compute instance vertical scaling mean?
- A. Changing to a large or smaller shape
- B. Enabling Disaster recovery
- C. Providing Fault tolerance
- D. Adding additional compute instances
正解:A
解説:
Changing the Shape of an Instance (Horizontal Scaling)
You can change the shape of a virtual machine (VM) instance without having to rebuild your instances or redeploy your applications. This lets you scale up your Compute resources for increased performance, or scale down to reduce cost.
Autoscaling (vertical scaling)
Autoscaling lets you automatically adjust the number of Compute instances in an instance pool based on performance metrics such as CPU utilization. This helps you provide consistent performance for your end users during periods of high demand, and helps you reduce your costs during periods of low demand.
As load increases, instances are automatically provisioned: the instance pool scales out. As load decreases, instances are automatically removed: the instance pool scales in.
https://docs.cloud.oracle.com/en-us/iaas/Content/Compute/Tasks/resizinginstances.htm
質問 # 100
You are required to host several files in a location that can be publicly accessible from anywhere in the world. Which Oracle Cloud Infrastructure (OCI) service should you use?
- A. OCI Storage Gateway
- B. Oracle Functions
- C. OCI Block Volume
- D. OCI File Storage
- E. OCI Object Storage
正解:E
質問 # 101
Which THREE are benefits of Oracle Cloud VMware Solution?
- A. Runs the certified VMware product stack in the cloud.
- B. Customers can choose their own data center hardware.
- C. Provides full administrative control to customers.
- D. VMware workloads are refactored for migration.
- E. Customers can leverage the same set of tools and processes used on-premises.
正解:A、C、E
質問 # 102
Which should you use to distribute Incoming traffic between a set of web servers?
- A. Internet Gateway
- B. Autoscallng
- C. Dynamic Routing Gateway
- D. Load Balances
正解:D
解説:
The Oracle Cloud Infrastructure Load Balancing service provides automated traffic distribution from one entry point to multiple servers reachable from your virtual cloud network (VCN). The service offers a load balancer with your choice of a public or private IP address, and provisioned bandwidth.
A load balancer improves resource utilization, facilitates scaling, and helps ensure high availability. You can configure multiple load balancing policies and application-specific health checks to ensure that the load balancer directs traffic only to healthy instances. The load balancer can reduce your maintenance window by draining traffic from an unhealthy application server before you remove it from service for maintenance.
HOW LOAD BALANCING WORKS:
The Load Balancing service enables you to create a public or private load balancer within your VCN. A public load balancer has a public IP address that is accessible from the internet. A private load balancer has an IP address from the hosting subnet, which is visible only within your VCN. You can configure multiple listeners for an IP address to load balance transport Layer 4 and Layer 7 (TCP and HTTP) traffic. Both public and private load balancers can route data traffic to any backend server that is reachable from the VCN.
1) Public Load Balancer
To accept traffic from the internet, you create a public load balancer. The service assigns it a public IP address that serves as the entry point for incoming traffic. You can associate the public IP address with a friendly DNS name through any DNS vendor.
A public load balancer is regional in scope. If your region includes multiple availability domains, a public load balancer requires either a regional subnet (recommended) or two availability domain-specific (AD-specific) subnets, each in a separate availability domain. With a regional subnet, the Load Balancing service creates a primary load balancer and a standby load balancer, each in a different availability domain, to ensure accessibility even during an availability domain outage. If you create a load balancer in two AD-specific subnets, one subnet hosts the primary load balancer and the other hosts a standby load balancer. If the primary load balancer fails, the public IP address switches to the secondary load balancer. The service treats the two load balancers as equivalent and you cannot specify which one is "primary".
Whether you use regional or AD-specific subnets, each load balancer requires one private IP address from its host subnet. The Load Balancing service supplies a floating public IP address to the primary load balancer. The floating public IP address does not come from your backend subnets.
If your region includes only one availability domain, the service requires just one subnet, either regional or AD-specific, to host both the primary and standby load balancers. The primary and standby load balancers each require a private IP address from the host subnet, in addition to the assigned floating public IP address. If there is an availability domain outage, the load balancer has no failover.
2) Private Load Balancer
To isolate your load balancer from the internet and simplify your security posture, you can create a private load balancer. The Load Balancing service assigns it a private IP address that serves as the entry point for incoming traffic.
When you create a private load balancer, the service requires only one subnet to host both the primary and standby load balancers. The load balancer can be regional or AD-specific, depending on the scope of the host subnet. The load balancer is accessible only from within the VCN that contains the host subnet, or as further restricted by your security rules.
The assigned floating private IP address is local to the host subnet. The primary and standby load balancers each require an extra private IP address from the host subnet.
If there is an availability domain outage, a private load balancer created in a regional subnet within a multi-AD region provides failover capability. A private load balancer created in an AD-specific subnet, or in a regional subnet within a single availability domain region, has no failover capability in response to an availability domain outage.
質問 # 103
Which THREE services integrate with Oracle Cloud Infrastructure (OCI) Key Management? (Choose all answers)
- A. File Storage
- B. identity and Access Management
- C. Block Volume
- D. Functions
- E. Object Storage
- F. Auto Scaling
正解:C、D、E
質問 # 104
Which Oracle Cloud Infrastructure (OCI) monitoring service feature uses metrics for monitoring and consists of a trigger action and notification method?
- A. Namespaces
- B. Rippers
- C. Alarms
- D. Queries
正解:C
質問 # 105
Which TWO are valid regarding the Oracle Cloud Infrastructure (OCI) Logging service?
(Choose all correct Answers)
- A. It enables you to analyze cloud resources using custom metrics.
- B. It can analyze critical diagnostic information that describes how resources are performing and being accessed.
- C. It can index, enrich, and aggregate log data from application.
- D. It enables you to monitor cloud resources using metrics and alarms.
- E. It is a centralized single pane of glass for all logs in a tenancy.
正解:B、E
質問 # 106
Which statement about the Oracle Cloud Infrastructure (OCI) shared-security model is true?
- A. You are responsible for managing security controls within the physical OCI network
- B. You are responsible for securing all data that you place in OCI
- C. You are responsible for securing the hypervisor within OCI compute service
- D. You are not responsible for any aspect of security in OCI
正解:B
解説:
Explanation
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.
The responsibilities can be divided as:
質問 # 107
Which kind of scaling is supported by virtual machines in Oracle Cloud Infrastructure Compute service?
- A. Scaling up or down, and scaling in or out
- B. Only scaling out
- C. Only scaling in
- D. Only scaling up or down
正解:A
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 # 108
Which TWO Oracle Cloud Infrastructure (OCI) Virtual Cloud Network (VCN) firewall features can be used for controlling traffic?
(Choose all correct answers}
- A. VCN Flow Logs
- B. VNIC Metrics
- C. Security Lists
- D. Network Security Groups
- E. Network visualizer
正解:C、D
質問 # 109
A customer wants to use Oracle Cloud Infrastructure (OCI) storing application backups which can be stored for months, but retrieved immediately based on business needs. Which OCI storage service can be used to meet this requirement?
- A. File Storage
- B. Block Volume
- C. Object Storage (standard)
- D. Archive Storage
正解:C
解説:
Oracle Cloud Infrastructure offers two distinct storage class tiers to address the need for both performant, frequently accessed "hot" storage, and less frequently accessed "cold" storage. Storage tiers help you maximize performance where appropriate and minimize costs where possible.
Use Object Storage for data to which you need fast, immediate, and frequent access. Data accessibility and performance justifies a higher price to store data in the Object Storage tier.
Use Archive Storage for data to which you seldom or rarely access, but that must be retained and preserved for long periods of time. The cost efficiency of the Archive Storage tier offsets the long lead time required to access the data.
Unlike Object Storage, Archive Storage data retrieval is not instantaneous.
Reference:
https://oracledbwr.com/oracle-cloud-infrastructure-object-storage-service/
質問 # 110
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