最新の2024年06月試験AWS-Security-Specialty問題集で合格させる認証試験合格させます [Q141-Q162]

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最新の2024年06月試験AWS-Security-Specialty問題集で合格させる認証試験合格させます

最新でリアルなAmazon AWS-Security-Specialty試験問題集解答があります


Amazon SCS-C01認定は、クラウドベースのソリューションを保護する専門家の能力を実証しているため、IT業界で非常に評価されています。この認定は、キャリアを次のレベルに引き上げ、AWSセキュリティの専門家になりたいセキュリティの専門家に最適です。この認定には、AWSセキュリティの準備と実践的な経験が必要ですが、新しいキャリアの機会とより高い給与につながる可能性があるため、努力する価値があります。

 

質問 # 141
A company's on-premises data center forwards DNS logs to a third-party security incident events management (SIEM) solution that alerts on suspicious behavior.
The company wants to introduce a similar capability to its AWS accounts that includes automatic remediation.
The company expects to double in size within the next few months.
Which solution meets the company's current and future logging requirements?

  • A. Enable Amazon GuardDuty and AWS Security Hub in all Regions and all accounts. Designate a master security account to receive all alerts from the child accounts. Create an AWS Organizations SCP that denies access to certain API calls that are on an ignore list.
  • B. Ingest all AWS CloudTrail logs, VPC Flow Logs, and DNS logs into a single Amazon S3 bucket in a designated security account. Use the current on-premises SIEM to monitor the logs and send a notification to an Amazon SNS topic to alert the security team of remediation steps.
  • C. Ingest all AWS CloudTrail logs, VPC Flow Logs, and DNS logs into a single Amazon S3 bucket in a designated security account. Launch an Amazon EC2 instance and install the current SIEM to monitor the logs and send a notification to an Amazon SNS topic to alert the security team of remediation steps.
  • D. Enable Amazon GuardDuty and AWS Security Hub in all Regions and all accounts. Designate a master security account to receive all alerts from the child accounts. Set up specific rules within Amazon EventBridge to trigger an AWS Lambda function for remediation steps.

正解:A


質問 # 142
Your company uses IAM to host its resources. They have the following requirements
1) Record all API calls and Transitions
2) Help in understanding what resources are there in the account
3) Facility to allow auditing credentials and logins Which services would suffice the above requirements Please select:

  • A. CloudTrail. IAM Credential Reports, IAM SNS
  • B. CloudTrail, IAM Config, IAM Credential Reports
  • C. IAM SQS, IAM Credential Reports, CloudTrail
  • D. IAM Inspector, CloudTrail, IAM Credential Reports

正解:B

解説:
Explanation
You can use IAM CloudTrail to get a history of IAM API calls and related events for your account. This history includes calls made with the IAM Management Console, IAM Command Line Interface, IAM SDKs, and other IAM services.
Options A,B and D are invalid because you need to ensure that you use the services of CloudTrail, IAM Config, IAM Credential Reports For more information on Cloudtrail, please visit the below URL:
http://docs.IAM.amazon.com/IAMcloudtrail/latest/userguide/cloudtrail-user-guide.html IAM Config is a service that enables you to assess, audit and evaluate the configurations of your IAM resources. Config continuously monitors and records your IAM resource configurations and allows you to automate the evaluation of recorded configurations against desired configurations. With Config, you can review changes in configurations and relationships between IAM resources, dive into detailed resource configuration histories, and determine your overall compliance against the configurations specified in your internal guidelines. This enables you to simplify compliance auditing, security analysis, char management and operational troubleshooting.
For more information on the config service, please visit the below URL
https://IAM.amazon.com/config/
You can generate and download a credential report that lists all users in your account and the status of their various credentials, including passwords, access keys, and MFA devices. You can get a credential report from the IAM Management Console, the IAM SDKs and Command Line Tools, or the IAM API.
For more information on Credentials Report, please visit the below URL:
http://docs.IAM.amazon.com/IAM/latest/UserGuide/id
credentials_getting-report.html
The correct answer is: CloudTrail, IAM Config, IAM Credential Reports Submit your Feedback/Queries to our Experts


質問 # 143
You have a vendor that needs access to an IAM resource. You create an IAM user account. You want to restrict access to the resource using a policy for just that user over a brief period. Which of the following would be an ideal policy to use?
Please select:

  • A. An Inline Policy
  • B. A bucket ACL
  • C. An IAM Managed Policy
  • D. A Bucket Policy

正解:A

解説:
The IAM Documentation gives an example on such a case
Inline policies are useful if you want to maintain a strict one-to-one relationship between a policy and the principal entity that if s applied to. For example, you want to be sure that the permissions in a policy are not inadvertently assigned to a principal entity other than the one they're intended for. When you use an inline policy, the permissions in the policy cannot be inadvertently attached to the wrong principal entity. In addition, when you use the IAM Management Console to delete that principal entit the policies embedded in the principal entity are deleted as well. That's because they are part of the principal entity.
Option A is invalid because IAM Managed Polices are ok for a group of users, but for individual users, inline policies are better.
Option C and D are invalid because they are specifically meant for access to S3 buckets For more information on policies, please visit the following URL:
https://docs.IAM.amazon.com/IAM/latest/UserGuide/access managed-vs-inline The correct answer is: An Inline Policy Submit your Feedback/Queries to our Experts


質問 # 144
A Developer who is following AWS best practices for secure code development requires an application to encrypt sensitive data to be stored at rest, locally in the application, using AWS KMS. What is the simplest and MOST secure way to decrypt this data when required?

  • A. Request KMS to provide the stored unencrypted data key and then use the retrieved data key to decrypt the data.
  • B. Use the Encrypt API to store an encrypted version of the data key with another customer managed key.
    Decrypt the data key and use it to decrypt the data when required.
  • C. Store the encrypted data key alongside the encrypted data. Use the Decrypt API to retrieve the data key to decrypt the data when required.
  • D. Keep the plaintext data key stored in Amazon DynamoDB protected with IAM policies. Query DynamoDB to retrieve the data key to decrypt the data

正解:C


質問 # 145
You want to launch an EC2 Instance with your own key pair in AWS. How can you achieve this? Choose 3 answers from the options given below.
Please select:

  • A. Import the private key into EC2
  • B. Use a third party tool to create the Key pair
  • C. Import the public key into EC2
  • D. Create a new key pair using the AWS CLI

正解:B、C、D

解説:
Explanation
This is given in the AWS Documentation Creating a Key Pair
You can use Amazon EC2 to create your key pair. For more information, see Creating a Key Pair Using Amazon EC2.
Alternatively, you could use a third-party tool and then import the public key to Amazon EC2. For more information, see Importing Your Own Public Key to Amazon EC2.
Option B is Correct, because you can use the AWS CLI to create a new key pair 1
https://docs.aws.amazon.com/cli/latest/userguide/cli-ec2-keypairs.html
Option D is invalid because the public key needs to be stored in the EC2 Instance For more information on EC2 Key pairs, please visit the below URL:
* https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs
The correct answers are: Use a third party tool to create the Key pair. Create a new key pair using the AWS CLI, Import the public key into EC2 Submit your Feedback/Queries to our Experts


質問 # 146
Your company has defined privileged users for their AWS Account. These users are administrators for key resources defined in the company. There is now a mandate to enhance the security authentication for these users. How can this be accomplished?
Please select:

  • A. Enable versioning for these user accounts
  • B. Enable MFA for these user accounts
  • C. Enable accidental deletion for these user accounts
  • D. Disable root access for the users

正解:B

解説:
The AWS Documentation mentions the following as a best practices for 1AM users. For extra security, enable multi-factor authentication (MFA) for privileged 1AM users (users who are allowed access to sensitive resources or APIs). With MFA, users have a device that generates unique authentication code (a one-time password, or OTP). Users must provide both their normal credentials (like their user name and password) and the OTP. The MFA device can either be a special piece of hardware, or it can be a virtual device (for example, it can run in an app on a smartphone).
Option B,C and D are invalid because no such security options are available in AWS For more information on 1AM best practices, please visit the below URL https://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html The correct answer is: Enable MFA for these user accounts Submit your Feedback/Queries to our Experts


質問 # 147
A company has multiple production AWS accounts. Each account has AWS CloudTrail configured to log to a single Amazon S3 bucket in a central account. Two of the production accounts have trails that are not logging anything to the S3 bucket.
Which steps should be taken to troubleshoot the issue? (Choose three.)

  • A. Confirm in the CloudTrail Console that each trail is active and healthy.
  • B. Open the global CloudTrail configuration in the master account, and verify that the storage location is set to the correct S3 bucket.
  • C. Verify that the log file prefix is set to the name of the S3 bucket where the logs should go.
  • D. Confirm in the CloudTrail Console that the S3 bucket name is set correctly.
  • E. Verify that the S3 bucket policy allows access for CloudTrail from the production AWS account IDs.
  • F. Create a new CloudTrail configuration in the account, and configure it to log to the account's S3 bucket.

正解:C、D、E


質問 # 148
You want to get a list of vulnerabilities for an EC2 Instance as per the guidelines set by the Center of Internet Security. How can you go about doing this?
Please select:

  • A. UseAWSMacie
  • B. Enable AWS Guard Duty for the Instance
  • C. Use AWS Trusted Advisor
  • D. Use AWS inspector

正解:D

解説:
The AWS Inspector service can inspect EC2 Instances based on specific Rules. One of the rules packages is based on the guidelines set by the Center of Internet Security
Center for Internet security (CIS) Benchmarks
The CIS Security Benchmarks program provides well-defined, un-biased and consensus-based industry best practices to help organizations assess and improve their security. Amazon Web Services is a CIS Security Benchmarks Member company and the list of Amazon Inspector certifications can be viewed nere.
Option A is invalid because this can be used to protect an instance but not give the list of vulnerabilities
Options B and D are invalid because these services cannot give a list of vulnerabilities For more information on the guidelines, please visit the below URL:
* https://docs.aws.amazon.com/inspector/latest/userguide/inspector_cis.html The correct answer is: Use AWS Inspector
Submit your Feedback/Queries to our Experts


質問 # 149
Your development team has started using AWS resources for development purposes. The AWS account has just been created. Your IT Security team is worried about possible leakage of AWS keys. What is the first level of measure that should be taken to protect the AWS account.
Please select:

  • A. Create 1AM Groups
  • B. Create 1AM Roles
  • C. Restrict access using 1AM policies
  • D. Delete the AWS keys for the root account

正解:D

解説:
The first level or measure that should be taken is to delete the keys for the 1AM root user When you log into your account and go to your Security Access dashboard, this is the first step that can be seen

Option B and C are wrong because creation of 1AM groups and roles will not change the impact of leakage of AWS root access keys Option D is wrong because the first key aspect is to protect the access keys for the root account For more information on best practises for Security Access keys, please visit the below URL:
https://docs.aws.amazon.com/eeneral/latest/gr/aws-access-keys-best-practices.html The correct answer is: Delete the AWS keys for the root account Submit your Feedback/Queries to our Experts


質問 # 150
A Security Engineer for a large company is managing a data processing application used by 1,500 subsidiary companies. The parent and subsidiary companies all use AWS. The application uses TCP port 443 and runs on Amazon EC2 behind a Network Load Balancer (NLB). For compliance reasons, the application should only be accessible to the subsidiaries and should not be available on the public internet. To meet the compliance requirements for restricted access, the Engineer has received the public and private CIDR block ranges for each subsidiary What solution should the Engineer use to implement the appropriate access restrictions for the application?

  • A. Create an AWS PrivateLink endpoint service in the parent company account attached to the NLB.
    Create an AWS security group for the instances to allow access on TCP port 443 from the AWS PrivateLink endpoint. Use AWS PrivateLink interface endpoints in the 1,500 subsidiary AWS accounts to connect to the data processing application.
  • B. Create a NACL to allow access on TCP port 443 from the 1;500 subsidiary CIDR block ranges.
    Associate the NACL to both the NLB and EC2 instances
  • C. Create an AWS security group to allow access on TCP port 443 from the 1,500 subsidiary CIDR block ranges. Associate the security group to the NLB. Create a second security group for EC2 instances with access on TCP port 443 from the NLB security group.
  • D. Create an AWS security group to allow access on TCP port 443 from the 1,500 subsidiary CIDR block ranges. Associate the security group with EC2 instances.

正解:A


質問 # 151
Your current setup in AWS consists of the following architecture. 2 public subnets, one subnet which has the web servers accessed by users across the internet and the other subnet for the database server. Which of the following changes to the architecture would add a better security boundary to the resources hosted in your setup
Please select:

  • A. Consider creating a private subnet and adding a NAT instance to that subnet
  • B. Consider moving the web server to a private subnet
  • C. Consider moving both the web and database server to a private subnet
  • D. Consider moving the database server to a private subnet

正解:D

解説:
The ideal setup is to ensure that the web server is hosted in the public subnet so that it can be accessed by users on the internet. The database server can be hosted in the private subnet.
The below diagram from the AWS Documentation shows how this can be setup

Option A and C are invalid because if you move the web server to a private subnet, then it cannot be accessed by users Option D is invalid because NAT instances should be present in the public subnet
For more information on public and private subnets in AWS, please visit the following url
.com/AmazonVPC/latest/UserGuide/VPC Scenario2.
The correct answer is: Consider moving the database server to a private subnet Submit your Feedback/Queries to our Experts


質問 # 152
Your CTO thinks your AWS account was hacked. What is the only way to know for certain if there was unauthorized access and what they did, assuming your hackers are very sophisticated AWS engineers and doing everything they can to cover their tracks?
Please select:

  • A. Use AWS Config Timeline forensics.
  • B. Use AWS Config SNS Subscriptions and process events in real time.
  • C. Use CloudTrail backed up to AWS S3 and Glacier.
  • D. Use CloudTrail Log File Integrity Validation.

正解:D

解説:
The AWS Documentation mentions the following
To determine whether a log file was modified, deleted, or unchanged after CloudTrail delivered it you can use CloudTrail log file integrity validation. This feature is built using industry standard algorithms: SHA-256 for hashing and SHA-256 with RSA for digital signing. This makes it computationally infeasible to modify, delete or forge CloudTrail log files without detection. You can use the AWS CLI to validate the files in the location where CloudTrail delivered them Validated log files are invaluable in security and forensic investigations. For example, a validated log file enables you to assert positively that the log file itself has not changed, or that particular user credentials performed specific API activity. The CloudTrail log file integrity validation process also lets you know if a log file has been deleted or changed, or assert positively that no log files were delivered to your account during a given period of time.
Options B.C and D is invalid because you need to check for log File Integrity Validation for cloudtrail logs For more information on Cloudtrail log file validation, please visit the below URL:
http://docs.aws.amazon.com/awscloudtrail/latest/userguide/cloudtrail-log-file-validation-intro.html The correct answer is: Use CloudTrail Log File Integrity Validation.
omit your Feedback/Queries to our Expert


質問 # 153
Which approach will generate automated security alerts should too many unauthorized AWS API requests be identified?

  • A. Create an Amazon CloudWatch metric filter that looks for API call error codes and then implement an alarm based on that metric's rate.
  • B. Use the Amazon Personal Health Dashboard to monitor the account's use of AWS services, and raise an alert if service error rates increase.
  • C. Configure AWS CloudTrail to stream event data to Amazon Kinesis. Configure an AWS Lambda function on the stream to alarm when the threshold has been exceeded.
  • D. Run an Amazon Athena SQL query against CloudTrail log files. Use Amazon QuickSight to create an operational dashboard.

正解:C


質問 # 154
Your company has a hybrid environment, with on-premise servers and servers hosted in the IAM cloud. They are planning to use the Systems Manager for patching servers. Which of the following is a pre-requisite for this to work; Please select:

  • A. Ensure that an IAM User is created
  • B. Ensure that an IAM Group is created for the on-premise servers
  • C. Ensure that an IAM service role is created
  • D. Ensure that the on-premise servers are running on Hyper-V.

正解:C

解説:
Explanation
You need to ensure that an IAM service role is created for allowing the on-premise servers to communicate with the IAM Systems Manager.
Option A is incorrect since it is not necessary that servers should only be running Hyper-V Options C and D are incorrect since it is not necessary that IAM users and groups are created For more information on the Systems Manager role please refer to the below URL:
com/systems-rnanaeer/latest/usereuide/sysman-!
The correct answer is: Ensure that an IAM service role is created
Submit your Feedback/Queries to our Experts


質問 # 155
You have an instance setup in a test environment in IAM. You installed the required application and the promoted the server to a production environment. Your IT Security team has advised that there maybe traffic flowing in from an unknown IP address to port 22. How can this be mitigated immediately?
Please select:

  • A. Change the Instance type for the instance
  • B. Shutdown the instance
  • C. Remove the rule for incoming traffic on port 22 for the Security Group
  • D. Change the AMI for the instance

正解:C

解説:
Explanation
In the test environment the security groups might have been opened to all IP addresses for testing purpose.
Always to ensure to remove this rule once all testing is completed.
Option A, C and D are all invalid because this would affect the application running on the server. The easiest way is just to remove the rule for access on port 22.
For more information on authorizing access to an instance, please visit the below URL:
https://docs.IAM.amazon.com/IAMEC2/latest/UserGuide/authorizing-access-to-an-instance.htmll The correct answer is: Remove the rule for incoming traffic on port 22 for the Security Group Submit your Feedback/Queries to our Experts


質問 # 156
Your team is experimenting with the API gateway service for an application. There is a need to implement a custom module which can be used for authentication/authorization for calls made to the API gateway. How can this be achieved?
Please select:

  • A. Use the gateway authorizer
  • B. Use a Lambda authorizer
  • C. Use the request parameters for authorization
  • D. Use CORS on the API gateway

正解:B

解説:
Explanation
The AWS Documentation mentions the following
An Amazon API Gateway Lambda authorizer (formerly known as a custom authorize?) is a Lambda function that you provide to control access to your API methods. A Lambda authorizer uses bearer token authentication strategies, such as OAuth or SAML. It can also use information described by headers, paths, query strings, stage variables, or context variables request parameters.
Options A,C and D are invalid because these cannot be used if you need a custom authentication/authorization for calls made to the API gateway For more information on using the API gateway Lambda authorizer please visit the URL:
https://docs.aws.amazon.com/apisateway/latest/developerguide/apieateway-use-lambda-authorizer.htmll The correct answer is: Use a Lambda authorizer Submit your Feedback/Queries to our Experts


質問 # 157
A company has a requirement to create a DynamoDB table. The company's software architect has provided the following CLI command for the DynamoDB table

Which of the following has been taken of from a security perspective from the above command?
Please select:

  • A. The right throughput has been specified from a security perspective
  • B. Since the ID is hashed, it ensures security of the underlying table.
  • C. The above command ensures data encryption at rest for the Customer table
  • D. The above command ensures data encryption in transit for the Customer table

正解:C

解説:
Explanation
The above command with the "-sse-specification Enabled=true" parameter ensures that the data for the DynamoDB table is encrypted at rest.
Options A,C and D are all invalid because this command is specifically used to ensure data encryption at rest For more information on DynamoDB encryption, please visit the URL:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/encryption.tutorial.html
The correct answer is: The above command ensures data encryption at rest for the Customer table


質問 # 158
When managing permissions for the API gateway, what can be used to ensure that the right level of permissions are given to developers, IT admins and users? These permissions should be easily managed.
Please select:

  • A. Use the IAM Config tool to manage the permissions for the different users
  • B. Use the secure token service to manage the permissions for the different users
  • C. Use IAM Access Keys to create sets of keys for the different types of users.
  • D. Use IAM Policies to create different policies for the different types of users.

正解:D

解説:
Explanation
The IAM Documentation mentions the following
You control access to Amazon API Gateway with IAM permissions by controlling access to the following two API Gateway component processes:
* To create, deploy, and manage an API in API Gateway, you must grant the API developer permissions to perform the required actions supported by the API management component of API Gateway.
* To call a deployed API or to refresh the API caching, you must grant the API caller permissions to perform required IAM actions supported by the API execution component of API Gateway.
Option A, C and D are invalid because these cannot be used to control access to IAM services. This needs to be done via policies. For more information on permissions with the API gateway, please visit the following URL:
https://docs.IAM.amazon.com/apisateway/latest/developerguide/permissions.html The correct answer is: Use IAM Policies to create different policies for the different types of users. Submit your Feedback/Queries to our Experts


質問 # 159
You currently operate a web application In the AWS US-East region. The application runs on an auto-scaled layer of EC2 instances and an RDS Multi-AZ database. Your IT security compliance officer has tasked you to develop a reliable and durable logging solution to track changes made to your EC2.IAM and RDS resources. The solution must ensure the integrity and confidentiality of your log dat a. Which of these solutions would you recommend?
Please select:

  • A. Create three new CloudTrail trails with three new S3 buckets to store the logs one for the AWS Management console, one for AWS SDKs and one for command line tools. Use IAM roles and S3 bucket policies on the S3 buckets that store your logs.
  • B. Create a new CloudTrail trail with one new S3 bucket to store the logs and with the global services option selected. Use IAM roles S3 bucket policies and Mufti Factor Authentication (MFA) Delete on the S3 bucket that stores your logs.
  • C. Create a new CloudTrail trail with an existing S3 bucket to store the logs and with the global services option selected. Use S3 ACLsand Multi Factor Authentication (MFA) Delete on the S3 bucket that stores your logs.
  • D. Create a new CloudTrail with one new S3 bucket to store the logs. Configure SNS to send log file delivery notifications to your management system. Use IAM roles and S3 bucket policies on the S3 bucket that stores your logs.

正解:D

解説:
AWS Identity and Access Management (IAM) is integrated with AWS CloudTrail, a service that logs AWS events made by or on behalf of your AWS account. CloudTrail logs authenticated AWS API calls and also AWS sign-in events, and collects this event information in files that are delivered to Amazon S3 buckets. You need to ensure that all services are included. Hence option B is partially correct.
Option B is invalid because you need to ensure that global services is select Option C is invalid because you should use bucket policies Option D is invalid because you should ideally just create one S3 bucket For more information on Cloudtrail, please visit the below URL:
http://docs.aws.amazon.com/IAM/latest/UserGuide/cloudtrail-inteeration.html The correct answer is: Create a new CloudTrail trail with one new S3 bucket to store the logs and with the global services o selected. Use IAM roles S3 bucket policies and Mulrj Factor Authentication (MFA) Delete on the S3 bucket that stores your l(


質問 # 160
What are the MOST secure ways to protect the IAM account root user of a recently opened IAM account? (Choose two.)

  • A. Do not create access keys for the IAM account root user; instead, create IAM IAM users
  • B. Enable multi-factor authentication for the IAM IAM users with the AdministratorAccess managed policy attached to them
  • C. Use IAM KMS to encrypt all IAM account root user and IAM IAM access keys and set automatic rotation to 30 days
  • D. Enable multi-factor authentication for the IAM account root user
  • E. Use the IAM account root user access keys instead of the IAM Management Console

正解:A、D


質問 # 161
You are designing a custom IAM policy that would allow uses to list buckets in S3 only if they are MFA authenticated. Which of the following would best match this requirement?

  • A. Option
  • B. Option
  • C. Option
  • D. Option

正解:B

解説:
Explanation
The Condition clause can be used to ensure users can only work with resources if they are MFA authenticated.
Option B and C are wrong since the aws:MultiFactorAuthPresent clause should be marked as true. Here you are saying that onl if the user has been MFA activated, that means it is true, then allow access.
Option D is invalid because the "boor clause is missing in the evaluation for the condition clause.
Boolean conditions let you construct Condition elements that restrict access based on comparing a key to
"true" or "false."
Here in this scenario the boot attribute in the condition element will return a value True for option A which will ensure that access is allowed on S3 resources.
For more information on an example on such a policy, please visit the following URL:


質問 # 162
......


Amazon AWS-Security Specialty(AWS Certified Security-Specialty)認定試験は、Amazon Web Services(AWS)プラットフォームで組織のインフラストラクチャを確保する責任がある専門家向けに設計されています。この認定試験は、安全でスケーラブルなAWSソリューションの設計と実装における候補者の知識とスキルを検証します。この試験では、アイデンティティとアクセス管理、ネットワークセキュリティ、データ暗号化、監視とロギング、インシデント対応、コンプライアンスなど、幅広いセキュリティトピックをカバーしています。


AWS認定セキュリティ - Specialty試験は、AWSテクノロジーを扱う少なくとも2年間の経験を持つITセキュリティで少なくとも5年の経験がある専門家に推奨されます。また、候補者は、AWSコアサービス、セキュリティの概念、コンプライアンス要件を確実に理解することが期待されています。この認定は、クラウドセキュリティでのキャリアを促進しようとする専門家にとっても理想的であり、潜在的な雇用主やクライアントに専門知識を示しています。

 

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