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Oracle 1Z0-1072-22認定試験では、クラウドインフラストラクチャ、セキュリティ、ネットワーク、コンピューティング、ストレージ、データベースなど、OCIに関連する幅広いトピックをカバーしています。この試験は、OCIのコアサービスに対する候補者の理解と、ビジネス要件を満たすソリューションを設計および展開する能力をテストするように設計されています。この試験は60の複数選択の質問で構成されており、候補者はそれを完了するために105分を与えられます。
Oracle 1z0-1072-22認定試験は、Oracle Cloud Platform上でクラウドインフラストラクチャを設計、展開、管理する知識とスキルを検証したいプロフェッショナルを対象としています。この試験は、コンピューティング、ストレージ、ネットワーキング、セキュリティ、自動化、データベースサービスなど、クラウドコンピューティングのさまざまな側面についての個人の熟練度を評価することに焦点を当てています。認定試験は、理論的な知識と実践的な知識の両方をカバーするように設計されており、候補者がOracle Cloud Infrastructureについて確固たる理解を持っていることを保証します。
質問 # 70
Which two are true for Oracle Cloud Infrastructure DNS? (Choose two.)
- A. It supports other cloud providers such as AWS and Azure.
- B. It can function only as a primary DNS.
- C. It does not provide DDoS protection.
- D. It supports segregation of traffic by using the private pool.
正解：A、D
解説：
Reference: B - Support for Oracle Cloud Infrastructure, other Cloud provider endpoints (AWS, Azure) and private assets, including Cloud, CDNs and Data Centers C - Customers may purchase Oracle Cloud Infrastructure Private Pool and Vanity Nameserver to have their Domain Names and Zones under a private IP pool with dedicated nameservers to segregate from those of other customers in order to reduce the risk of external issues affecting their websites.
https://www.oracle.com/cloud/networking/dns-faq.html
質問 # 71
Which are the TWO tools you would use for Logical migration?
- A. Data Pump
- B. Data Guard
- C. RMAN
- D. GoldenGate
正解：A、D
質問 # 72
Which two statements are true about data guard service on DB Systems in Oracle Cloud Infrastructure (OCI)?
(Choose two.)
- A. Data guard configuration on the OCI is limited to one standby database per primary database
- B. Data guard implementation requires two DB Systems, one containing the primary database and one containing the standby database
- C. Data guard implementation requires two DB Systems, one running the primary database on a virtual machine and the standby database running on bare metal
- D. Data guard configuration on the OCI is limited to a virtual machine only
正解：A、B
質問 # 73
You work for a health insurance company that stores a large number of patient health records in an Oracle Cloud Infrastructure (OCI) Object Storage bucket named "HealthRecords".
Each record needs to be securely stored for a period of 5 years for regulatory compliance purposes and cannot be modified, overwritten or deleted during this time period.
What can you do to meet this requirement?
- A. Enable versioning on the HealthRecords bucket.
- B. Create an OCI Object Storage Lifecycle Policies rule to archive objects in the HealthRecords bucket for five years.
- C. Enable encryption on the HealthRecords bucket using your own vault master encryption keys.
- D. Create an OCI Object Storage time-bound Retention Rule on the HealthRecords bucket for five years.
Enable Retention Rule Lock on this bucket.
正解：D
解説：
Reference:https://docs.cloud.oracle.com/en-us/iaas/Content/Object/Tasks/usingretentionrules.htm
質問 # 74
When creating a subnet, one or more placeholder security lists are often associated with the subnet. Why?
- A. Each operator needs its own security list.
- B. Each network endpoint or instance in the subnet needs its own security list.
- C. Each protocol needs its own security list.
- D. It is not possible to add or remove security lists after a subnet is created.
正解：B
質問 # 75
Which two resources are availability domain constructs? (Choose two.)
- A. Object Storage
- B. VCN
- C. Groups
- D. Block Volume
- E. Compute Instance
正解：D、E
質問 # 76
What does Terraform use to create, manage, and manipulate infrastructure resources?
- A. resources
- B. provider
- C. provisioner
- D. instances
正解：B
解説：
Explanation
The Oracle Cloud Infrastructure provider is used to interact with the many resources supported by the Oracle Cloud Infrastructure. The provider needs to be configured with credentials for the Oracle Cloud Infrastructure account.
質問 # 77
Which two statements define the types of DNS resolvers that exist? (Choose two.)
- A. An Internet resolver allows instances to use the host names that are published on the Internet.
- B. A VCN resolver allows instances to use the host names of the hosts in your on-prem network that are connected to your VCN by an IPSec VPN connection.
- C. A VCN resolver allows instances to use host names to communicate with instances on other VCNs in your tenancy.
- D. A custom resolver allows instances to use the host names of the hosts in your on-prem network that are connected to your VCN by an IPSec VPN connection.
正解：A、D
解説：
https://docs.cloud.oracle.com/iaas/Content/Network/Concepts/dns.htm
This is an Oracle-provided option that includes two parts: Internet Resolver: Lets instances resolve hostnames that are publicly published on the internet. The instances do not need to have internet access by way of either an internet gateway or a connection to your on-premises network (such as an IPSec VPN connection through a DRG ). VCN Resolver: Lets instances resolve hostnames (which you can assign) of other instances in the same VCN. For more information, see About the DNS Domains and Hostnames. By default, new VCNs you create use the Internet and VCN Resolver. If you're using the Networking API, this choice refers to the VcnLocalPlusInternet enum in the DhcpDnsOption object.
The Internet and VCN Resolver does not let instances resolve the hostnames of hosts in your on-premises network connected to your VCN by IPSec VPN connection or FastConnect. Use your own custom DNS resolver to enable that.
https://docs.cloud.oracle.com/iaas/Content/Network/Concepts/dns.htm?Highlight=DNS%20resolver#About
質問 # 78
Which is a customer's responsibility on an Oracle Cloud Infrastructure database?
- A. installing the operating system (OS), Grid Infrastructure, and database software
- B. patching the database and OS
- C. creating an ASM diskgroup for data file or temp file storage
- D. creating the first default database on the DBCS server
正解：B
解説：
On autonomous there's no patching needed. But on the regular DB Cloud services you need to patch the DB and the OS. During the creation on the OCDB the first DB is created automatically Oracle automatically takes care of Operating system Installation/Configuration, Grid Infrastructure, ASM diskgroup Creation/Configuration , and database software Installation and first database on the DB System. that's all when Creating DB Systems. and then the customer responsible to apply the patches to the database and OS
質問 # 79
Which three are default Virtual Cloud Network (VCN) components? (Choose three.)
- A. Route Table
- B. Internet Gateway
- C. Dynamic Routing Gateway
- D. DHCP options
- E. Security List
正解：A、D、E
解説：
Reference:
(1) => Populated by Default (0) => Not Populated by Default
Resources ========== Subnets (0) Route Tables (1) Internet Gateways (0) Dynamic Routing Gateways (0) Network Security Groups (0) Security Lists (1) DHCP Options (1) Local Peering Gateways (0) NAT Gateways (0) Service Gateways (0)
質問 # 80
You have hired a new employee to run reports from the Autonomous Data Warehouse (ADW) and are not confident in their SQL writing ability.
Into which consumer group will you assign this individual to minimize the impact of their code?
- A. Medium
- B. Highest
- C. Lowest
- D. Low
- E. High
正解：D
解説：
in ADW, The tnsnames.ora file provided with the credentials zip file contains three database service names identifiable as high, medium, and low. The predefined service names provide different levels of performance and concurrency for Autonomous Data Warehouse.
high: The High database service provides the highest level of resources to each SQL statement resulting in the highest performance, but supports the fewest number of concurrent SQL statements. Any SQL statement in this service can use all the CPU and IO resources in your database. The number of concurrent SQL statements that can be run in this service is 3, this number is independent of the number of OCPUs in your database.
medium: The Medium database service provides a lower level of resources to each SQL statement potentially resulting a lower level of performance, but supports more concurrent SQL statements. Any SQL statement in this service can use multiple CPU and IO resources in your database. The number of concurrent SQL statements that can be run in this service depends on the number of OCPUs in your database.
low: The Low database service provides the least level of resources to each SQL statement, but supports the most number of concurrent SQL statements. Any SQL statement in this service can use a single CPU and multiple IO resources in your database. The number of concurrent SQL statements that can be run in this service can be up to 300 times the number of OCPUs.
The predefined service names provide different levels of performance and concurrency for Autonomous DB Choose whichever database service offers the best balance of performance and concurrency.
Use the low database service name. to minimize the impact of their SQLs to by low consumer group
質問 # 81
Which of the following statement is true regarding Oracle Cloud Infrastructure Object Storage Pre-Authenticated Requests?
- A. Pre-authenticated requests don't have an expiration
- B. Changing the bucket visibility does not change existing pre-authenticated requests
- C. It is not possible to create pre-authenticated requests for the buckets, but only for the objects
- D. It Is not possible to create pre-authenticated requests for "archive" storage tier
正解：B
解説：
Explanation
Pre-authenticated requests provide a way to let users access a bucket or an object without having their own credentials, as long as the request creator has permissions to access those objects. For example, you can create a request that lets an operations support user upload backups to a bucket without owning API keys. Or,you can create a request that lets a business partner update shared data in a bucket without owning API keys.
When you create a pre-authenticated request, a unique URL is generated. Anyone you provide this URL to can access the Object Storage resourcesidentified in the preauthenticated request, using standard HTTP tools like curl and wget.
Understand the following scope and constraints regarding pre-authenticated requests:
Users can't list bucket contents.
You can create an unlimited number of pre-authenticated requests.
There is no time limit to the expiration date that you can set.
You can't edit a pre-authenticated request. If you want to change user access options in response to changing requirements, you must create a new preauthenticated request.
The target and actions for a pre-authenticated request are based on the creator's permissions. The request is not, however, bound to the creator's account login credentials. If the creator's login credentials change, a pre-authenticated request is not affected.
You cannot delete a bucket that has a pre-authenticated request associated with that bucket or with an object in that bucket.
Understand the following scope and constraints regarding public access:
Changing the type of access is bi-directional.You can change a bucket's access from public to private or from private to public.
Changing the type of access doesn't affect existing pre-authenticated requests. Existing pre-authenticated requests still work.
質問 # 82
Which two statements define the types of DNS resolvers that exist? (Choose two.)
- A. A VCN resolverallows instances to use host names to communicate with instances on other VCNs in your tenancy.
- B. An Internet resolver allows instances to use the host names that are published on the Internet.
- C. A VCN resolver allows instances to use the host names of the hosts in your on-prem network that are connected to your VCN by an IPSec VPN connection.
- D. A custom resolver allows instances to use the host names of the hosts in your on-prem network that are connected to your VCN by an IPSec VPN connection.
正解：B、D
解説：
Explanation
https://docs.cloud.oracle.com/iaas/Content/Network/Concepts/dns.htm
This is an Oracle-provided option that includes two parts:Internet Resolver: Lets instances resolve hostnames that are publicly published on theinternet. The instances do not need to have internet access by way of either an internet gateway or a connection to your on-premises network (such as an IPSec VPN connection through a DRG ).VCN Resolver: Lets instances resolve hostnames (which you can assign) of other instances in the same VCN. For more information, see About the DNS Domains and Hostnames.By default, new VCNs you create use the Internet and VCN Resolver. If you're using the Networking API, this choice refers to the VcnLocalPlusInternet enum in the DhcpDnsOption object.
The Internet and VCN Resolver does not let instances resolve the hostnames of hosts in your on-premises network connected to your VCN by IPSec VPN connection or FastConnect. Use your own custom DNS resolver to enable that.
https://docs.cloud.oracle.com/iaas/Content/Network/Concepts/dns.htm?Highlight=DNS%20resolver#About
質問 # 83
Which storage service is used on OCI for a Data Transfer Service job?
- A. A File System service instance
- B. An object bucket
- C. An instance with enough storage to accommodate the job
- D. Block Volume
正解：B
解説：
https://docs.cloud.oracle.com/en-us/iaas/Content/DataTransfer/Concepts/overview.htm
質問 # 84
Which two options are available within the service console of Autonomous Transaction Processing?
- A. Monitor the health of the database server including CPU, memory and query performance
- B. Fine tune a long running query using optimizer hints
- C. Perform a manual backup of the ATP database
- D. Configure resource management rules and reset the admin password
正解：A、D
解説：
質問 # 85
You have the following compartment structure in your tenancy. Rootcompartment->Training->Training-subl
->Training-sub2 You create a policy in the root compartment to allow the default admin for the account (Administrators) to manage block volumes in compartment Training-sub2. What policy would you write to meet this requirement?
- A. Allow group Administrators to manage volume-family in compartment Training-sub2
- B. Allow group Administrators to manage volume-family in root compartment
- C. Allow group Administrators to manage volume-family in compartment Training-sub1 :Training-sub2
- D. Allow group Administrators to manage volume-family in compartmentTraining: Training-sub 1
:Training-sub2
正解：D
解説：
Explanation
a policy statement must specify the compartment for which access is being granted (or the tenancy). Where you create the policy determines who can update the policy. If you attach the policy to the compartment or its parent, you can simply specify the compartment name. If you attach the policy further up the hierarchy, you must specify the path. The format of the path iseach compartment name (or OCID) in the path, separated by a colon:
<compartment_level_1>:<compartment_level_2>: . . . <compartment_level_n> For example, assume you have a three-level compartment hierarchy, shown here:
You want to create a policy to allowNetworkAdmins to manage VCNs in CompartmentC. If you want to attach this policy to CompartmentC or to its parent, CompartmentB, write this policy statement:
Allow group NewtworkAdmins to manage virtual-network-family in compartment CompartmentC However, if you want to attach this policy to CompartmentA (so that only administrators of CompartmentA can modify it), write this policy statement that specifies the path:
Allow group NewtworkAdmins to manage virtual-network-family in
compartmentCompartmentB:CompartmentC
To attach this policy to the tenancy, write this policy statement that specifies the path from CompartmentA to CompartmentC:
Allow group NewtworkAdmins to manage virtual-network-family in compartment CompartmentA:CompartmentB:CompartmentC
質問 # 86
Which two statements are true about subnets within a VCN? (Choose two.)
- A. You canhave multiple subnets in an Availability Domain for a given VCN.
- B. Subnets can have their IP addresses overlap with other subnets in another network for a given VCN.
- C. Instances obtain their private IP and the associated security list from their subnets.
- D. Private and Public subnets cannot reside in the same Availability Domain for a given VCN.
正解：A、C
解説：
Explanation
References:https://cloud.oracle.com/en_US/bare-metal-network/vcn/faq
質問 # 87
Which two statements are true about Oracle Cloud Infrastructure (OCI) DB Systems?
- A. The database and backups are encrypted by default.
- B. Customers can manage the TDE Wallet after DB Systems is provisioned.
- C. Customers can consolidate multiple database homes on asingle virtual machine database host.
- D. Customers have no control over database patching.
正解：A、B
解説：
All databases created in Oracle Cloud Infrastructure are encrypted using transparent data encryption (TDE).
Oracle Cloud Infrastructure encrypts all managed backups in the object store. Oracle uses the Database Transparent Encryption feature by default for encrypting the backups. and the customers can manage the TDE Wallet after DB Systems are provisioned.
質問 # 88
Where are DB Systems backups stored by default?
- A. locally attached NVMe on virtual machine
- B. ASM disk group
- C. object storage on Oracle Cloud Infrastructure
- D. block volume
正解：C
質問 # 89
You have created a new compartment called Production to host some production apps. You have also created users in your tenancy and added them to a Group called "production group". Your users are still unable to access the Production compartment. How can you resolve this situation?
- A. Your users get automatic access to all compartments, so no further action is needed
- B. Write an IAM Policy for each specific user granting them access to the production compartment
- C. Every compartment you create comes with a predefined set of policies, so no further action is needed
- D. Write an IAM Policy for "production_group" granting it access to the production compartment
正解：D
解説：
When creating a compartment, you must provide a name for it (maximum 100 characters, including letters, numbers, periods, hyphens, and underscores) that is unique within its parent compartment. You must also provide a description, which is a non-unique, changeable description for the compartment, from 1 through 400 characters.
After creating a compartment, you need to write at least one policy for it, otherwise no one can access it (except administrators or users who have permissions set at the tenancy level). When creating a compartment inside another compartment, the compartment inherits access permissions from compartments higher up its hierarchy.
When you create an access policy, you need to specify which compartment to attach it to. This controls who can later modify or delete the policy. Depending on how you've designed your compartment hierarchy, you might attach it to the tenancy, a parent, or to the specific compartment itself.
質問 # 90
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Oracle 1Z0-1072-22試験を受けるには、候補者はクラウドコンピューティングの概念とOracle Cloud Infrastructure Servicesの経験を強く理解する必要があります。これには、仮想クラウドネットワーク、ブロックストレージとオブジェクトストレージ、コンピューティングインスタンス、ロードバランス、およびIDやアクセス管理などのセキュリティ機能の知識が含まれます。この認定は、Oracle Cloud Infrastructure Solutionsの専門知識を実証し、キャリアの見通しを強化したいITプロフェッショナル、ソリューションアーキテクト、および開発者に適しています。
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