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It-Passportsはあなたの１００パーセントの合格率を保証します。例外がないです。いまIt-Passportsを選んで、あなたが始めたいトレーニングを選んで、しかも次のテストに受かったら、最も良いソース及び市場適合性と信頼性を得ることができます。It-PassportsのAmazonのSOA-C03問題集と解答はSOA-C03認定試験に一番向いているソフトです。
質問 # 12
A CloudOps engineer has created a VPC that contains a public subnet and a private subnet. Amazon EC2 instances that were launched in the private subnet cannot access the internet. The default network ACL is active on all subnets in the VPC, and all security groups allow outbound traffic.
Which solution will provide the EC2 instances in the private subnet with access to the internet?
正解：B
解説：
According to the AWS Cloud Operations and Networking documentation, instances in a private subnet do not have a direct route to the internet gateway and thus require a NAT gateway for outbound internet access.
The correct configuration is to create a NAT gateway in the public subnet, associate an Elastic IP address, and then update the private subnet's route table to send all 0.0.0.0/0 traffic to the NAT gateway. This enables instances in the private subnet to initiate outbound connections while keeping inbound traffic blocked for security.
Placing the NAT gateway inside the private subnet (Options C or D) prevents connectivity because it would not have a route to the internet gateway. Configuring routes from the public subnet to the NAT gateway (Option B) does not serve private subnet traffic.
Hence, Option A follows AWS best practices for enabling secure, managed, outbound-only internet access from private resources.
質問 # 13
A company runs a business application on more than 300 Linux-based instances. Each instance has the AWS Systems Manager Agent (SSM Agent) installed. The company expects the number of instances to grow in the future. All business application instances have the same user-defined tag.
A CloudOps engineer wants to run a command on all the business application instances to download and install a package from a private repository. To avoid overwhelming the repository, the CloudOps engineer wants to ensure that no more than 30 downloads occur at one time.
Which solution will meet this requirement in the MOST operationally efficient way?
正解：C
解説：
Comprehensive Explanation (250-350 words):
AWS Systems Manager Run Command includes a built-in rate control feature that allows administrators to control the maximum number of concurrent executions across target instances. This directly addresses the requirement to limit downloads to 30 at a time without custom orchestration or additional services.
By targeting instances using tags, the solution automatically scales as new instances are added, which aligns with future growth expectations. Rate control ensures controlled concurrency and protects the private repository from overload.
Option A is manual and does not scale operationally. Option B introduces unnecessary complexity with Lambda and concurrency management that does not map cleanly to instance execution concurrency. Option D significantly increases architectural complexity without added value.
Run Command with rate control is the simplest, most native, and most scalable solution.
質問 # 14
A company hosts a database on an Amazon RDS Multi-AZ DB instance. The database is not encrypted. The company's new security policy requires all AWS resources to be encrypted at rest and in transit. What should a CloudOps engineer do to encrypt the database?
正解：B
解説：
Amazon RDS encryption at rest cannot be enabled directly on an existing unencrypted DB instance. AWS guidance states that encryption for an RDS DB instance is enabled when the DB instance is created, not after creation. To convert an unencrypted RDS database to encrypted, the CloudOps engineer must take a snapshot, copy the snapshot while enabling encryption with an AWS KMS key, and then restore a new DB instance from the encrypted snapshot. Restoring from a snapshot creates a new DB instance; it does not overwrite the existing DB instance.
Option C is invalid because Multi- AZ standby replicas cannot be independently encrypted and promoted for this purpose. Therefore, creating an encrypted snapshot copy and restoring it as a new DB instance is correct.
質問 # 15
A development team is setting up an Amazon EventBridge rule to look for Amazon Macie findings that have a severity score of 1 and a count of 2.
The development team receives the following event:
Which EventBridge event pattern will find the events that have a severity score of 1 and a count of 2?
正解：B
解説：
Amazon EventBridge event patterns must mirror the structure of the incoming event. The severity.score value is nested under detail.severity, while count is directly under detail. Specifying score as [1] and count as [2] causes EventBridge to match events only when both conditions are satisfied.
質問 # 16
A financial services company stores customer images in an Amazon S3 bucket in the us-east-1 Region. To comply with regulations, the company must ensure that all existing objects are replicated to an S3 bucket in a second AWS Region. If an object replication fails, the company must be able to retry replication for the object.
What solution will meet these requirements?
正解：A
解説：
Per the AWS Cloud Operations and S3 Data Management documentation, Cross-Region Replication (CRR) automatically replicates new objects between S3 buckets across Regions. However, CRR alone does not retroactively replicate existing objects created before replication configuration. To include such objects, AWS introduced S3 Batch Replication.
S3 Batch Replication scans the source bucket and replicates all existing objects that were not copied previously. Additionally, it can retry failed replication tasks automatically, ensuring regulatory compliance for complete dataset replication.
S3 Replication Time Control (S3 RTC) guarantees predictable replication times for new objects only-it does not cover previously stored data. S3 Lifecycle rules (Option D) move or transition objects between storage classes or buckets, but not in a replication context.
Therefore, the correct solution is to use S3 Cross-Region Replication (CRR) combined with S3 Batch Replication to ensure all current and future data is synchronized across Regions with retry capability.
質問 # 17
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IT職員のあなたは毎月毎月のあまり少ない給料を持っていますが、暇の時間でひたすら楽しむんでいいですか。Amazon SOA-C03試験認定書はIT職員野給料増加と仕事の昇進にとって、大切なものです。それで、我々社の無料のAmazon SOA-C03デモを参考して、あなたに相応しい問題集を入手します。暇の時間を利用して勉強します。努力すれば報われますなので、Amazon SOA-C03資格認定を取得して自分の生活状況を改善できます。
SOA-C03問題集: https://www.it-passports.com/SOA-C03.html