[2022年最新] 最高の試験1Z0-1085-20問題集は無料サイトの資料を試そう
無料Oracle Cloud Solutions Infrastructure 1Z0-1085-20オフィシャル認証ガイドPDFをダウンロード
Oracle 1Z0-1085-20 認定試験の出題範囲：
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質問 45
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. Infrastructure as a Service (IaaS)
- B. Anything as a Service (XaaS)
- C. Software as a Service (SaaS)
- D. Platform as a Service (PaaS)
正解: C
質問 46
Which Oracle Cloud Infrastructure (OCI) service can send you an alert when you might exceed your spending threshold?
- A. Streaming
- B. Monitoring
- C. Budgets
- D. Events
正解: C
解説:
Explanation
Budgets can be used to set thresholds for your Oracle Cloud Infrastructure spending. You can set alerts on your budget to let you know when you might exceed your budget, and you can view all of your budgets and spending from one single place in the Oracle Cloud Infrastructure console.
質問 47
Which offers the lowest pricing for storage (per GB)?
- A. Oracle Cloud Infrastructure Object Storage (standard tier)
- B. Oracle Cloud Infrastructure File Storage
- C. Oracle Cloud Infrastructure Block Volume
- D. Oracle Cloud Infrastructure Archive Storage
正解: D
解説:
Explanation
Oracle Cloud Infrastructure Archive Storage is the lowest pricing for storage (per GB)
質問 48
A customer wants to use Oracle Cloud Infrastructure (OCI) for storing application backups which can be stored based on business needs.
Which OCI storage service can be used to meet the requirement?
- A. File Storage
- B. Archive Storage
- C. Object Storage (standard)
- D. Block Volume
正解: C
解説:
Explanation
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.
1) 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.
2) 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. For more information, see Overview of Archive Storage.
The Oracle Cloud Infrastructure Object Storage service is an internet-scale, high-performance storage platform that offers reliable and cost-efficient data durability. The Object Storage service can store an unlimited amount of unstructured data of any content type, including analytic data and rich content, like images and videos.
With Object Storage, you can safely and securely store or retrieve data directly from the internet or from within the cloud platform. Object Storage offers multiple management interfaces that let you easily manage storage at scale. The elasticity of the platform lets you start small and scale seamlessly, without experiencing any degradation in performance or service reliability.
Object Storage is a regional service and is not tied to any specific compute instance. You can access data from anywhere inside or outside the context of the Oracle Cloud Infrastructure, as long you have internet connectivity and can access one of the Object Storage endpoints. Authorization and resource limits are discussed later in this topic.
Object Storage also supports private access from Oracle Cloud Infrastructure resources in a VCN through a service gateway. A service gateway allows connectivity to the Object Storage public endpoints from private IP addresses in private subnets. For example, you can back up DB systems to an Object Storage bucket over the Oracle Cloud Infrastructure backbone instead of over the internet. You can optionally use IAM policies to control which VCNs or ranges of IP addresses can access Object Storage. See Access to Oracle Services:
Service Gateway for details.
Object Storage is Always Free eligible. For more information about Always Free resources, including additional capabilities and limitations, see Oracle Cloud Infrastructure Free Tier.
The following list summarizes some of the ways that you can use Object Storage.
質問 49
According to Shared security model, which two are a customer's responsibilities in Oracle Cloud Infrastructure (OCI)?
- A. Object Storage data durability
- B. Virtual Machine hypervisor
- C. Physical security of OCI data center facilities
- D. Customer data
- E. Local NVMe data persistence
正解: A,D
質問 50
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. OCT File Storage
- B. OCI Block Volume
- C. OCI Object Storage
- D. Oracle Functions
- E. OCI Storage Gateway
正解: C
解説:
Explanation/Reference: https://docs.cloud.oracle.com/en-us/iaas/pdf/gsg/OCI_Getting_Started.pdf
質問 51
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. Archive Storage
- C. Object Storage (standard)
- D. Block Volume
正解: C
解説:
Explanation
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.
質問 52
A company has developed an eCommerce web application In Oracle Cloud Infrastructure.
What should they do to ensure that the application has the highest level of resilience?
- A. Deploy the application across multiple Regions and Availability Domains.
- B. Deploy the application across multiple Availability Domains and Fault Domains.
- C. Deploy the application across multiple Availability Domains and subnet.
- D. Deploy the application across multiple Virtual Cloud Networks.
正解: A
解説:
Explanation
For highest level of resilience you can deploy the application between regions and distribute on availability domain and fault domains.
質問 53
Which Oracle Cloud Infrastructure service leverages Terraform to configure infrastructure as code?
- A. Resource Manager
- B. Oracle Functions
- C. Events
- D. Compartment Explorer
正解: A
質問 54
You have an application that requires a shared file system. Which of the following services would you use?
- A. Archive Storage
- B. Object Storage
- C. File Storage
- D. Block Volume
正解: C
解説:
ExplanationOracle Cloud Infrastructure File Storage service provides a durable, scalable, secure, enterprise-grade network file system. You can connect to a File Storage service file system from any bare metal, virtual machine, or container instance in your Virtual Cloud Network (VCN). You can also access a file system from outside the VCN using Oracle Cloud Infrastructure FastConnect and Internet Protocol security (IPSec) virtual private network (VPN).
Large Compute clusters of thousands of instances can use the File Storage service for high-performance shared storage. Storage provisioning is fully managed and automatic as your use scales from a single byte to exabytes without upfront provisioning.
The File Storage service supports the Network File System version 3.0 (NFSv3) protocol. The service supports the Network Lock Manager (NLM) protocol for file locking functionality.
Oracle Cloud Infrastructure File Storage employs 5-way replicated storage, located in different fault domains, to provide redundancy for resilient data protection. Data is protected with erasure encoding.
The File Storage service uses the "eventual overwrite" method of data eradication. Files are created in the file system with a unique encryption key. When you delete a single file, its associated encryption key is eradicated, making the file inaccessible. When you delete an entire file system, the file system is marked as inaccessible.
The service systematically traverses deleted files and file systems, frees all the used space, and eradicates all residual files.
Use the File Storage service when your application or workload includes big data and analytics, media processing, or content management, and you require Portable Operating System Interface (POSIX)-compliant file system access semantics and concurrently accessible storage. The File Storage service is designed to meet the needs of applications and users that need an enterprise file system across a wide range of use cases, including the following:
質問 55
Which Oracle Cloud Infrastructure compute shapes does not incur instance billing in a STOPPED state?
- A. HPC
- B. Dense I/O
- C. GPU
- D. Standard
正解: D
解説:
ExplanationA 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 56
Which service is the most effective for moving large amounts of data from your on-premises to Oracle Cloud Infrastructure (OCI)?
- A. Internet Gateway
- B. Data Safe
- C. Dynamic Routing Gateway
- D. Data Transfer appliance
正解: D
解説:
Explanation
APPLIANCE-BASED DATA TRANSFER
You send your data as files on secure, high-capacity, Oracle-supplied storage appliances to an Oracle transfer site. Operators at the Oracle transfer site upload the data into your designated Object Storage bucket in your tenancy.
This solution supports data transfer when you are migrating a large volume of data and when using disks is not a practical alternative. You do not need to write any code or purchase any hardware. Oracle supplies the transfer appliance and software required to manage the transfer.
https://docs.cloud.oracle.com/en-us/iaas/Content/DataTransfer/Concepts/overview.htm
質問 57
What is Oracle's responsibility according to the Oracle Cloud Infrastructure (OCI) shared-security model?
- A. Security of data center facilities
- B. Data classification and compliance
- C. Configuring OCI services securely
- D. Securing application workloads
正解: A
解説:
Explanation
Oracle's mission is to build cloud infrastructure and platform services for your business to have effective and manageable security to run your mission-critical workloads and store your data with confidence.
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:
質問 58
Which Oracle Cloud Infrastructure service can you use to assess user security of your Oracle databases?
- A. Oracle Data Guard
- B. Audit Service
- C. Oracle Data Safe
- D. Audit Vault and Database Firewall option for Oracle Database Enterprise Edition
正解: C
解説:
Explanation
Oracle Data Safe is a fully-integrated Cloud service focused on the security of your data. It provides a complete and integrated set of features for protecting sensitive and regulated data in Oracle Cloud databases.
Features include Security Assessment, User Assessment, Data Discovery, Data Masking, and Activity Auditing.
質問 59
Which statement about 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 not responsible for any aspect of security in OCI.
- D. You are responsible for securing the hypervisor within OCI Compute service.
正解: B
質問 60
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