Latest [Dec 05, 2021] SOA-C01 Exam with Accurate AWS Certified SysOps Administrator - Associate PDF Questions
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What is the duration, language, and format of Amazon SOA-C01: AWS Certified SysOps Administrator-Associate Exam
- Number of Questions: 65
- Language of Exam: English, Japanese, Korean.
- Passing score: 72%
- No negative marking for wrong answers
- Type of Questions: Multiple choice (MCQs), multiple answers
- Duration of Exam: 130 minutes
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NEW QUESTION 31
After a network change, application servers cannot connect to the corresponding Amazon RDS MySQL database.
What should the SysOps Administrator analyze?
- A. Amazon RDS MySQL error logs
- B. VPC Flow Logs
- C. Amazon CloudFront logs
- D. Elastic Load Balancing logs
Answer: B
Explanation:
Reference
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_Troubleshooting.html
NEW QUESTION 32
A Development team has an application stack consisting of many OS dependencies and language runtime dependencies. When deploying the application to production, the most important factor is how quickly the instance is operational.
What deployment methodology should be used to update the running environments to meet the requirement?
- A. Use fully baked AMIs ("golden images") created after each successful build, creating a new Auto Scaling group, and blue/green deployments with rollbacks.
- B. Use AWS OpsWorks scripts to execute on reboot of each instance to install all known dependencies, then re-attach the instances to the load balancer.
- C. Use user-data scripts to configure the instance correctly on boot by installing all dependencies when needed.
- D. Use an AWS Lambda function to only update the application locally on each instance, then re-attach it to the load balancer when the process complete.
Answer: A
NEW QUESTION 33
A user has created a subnet with VPC and launched an EC2 instance in that subnet with only default settings.
Which of the below mentioned options is ready to use on the EC2 instance as soon as it is launched?
- A. Internet gateway
- B. Private IP
- C. Public IP
- D. Elastic IP
Answer: B
Explanation:
Explanation
A Virtual Private Cloud (VPC is a virtual network dedicated to a user's AWS account. A subnet is a range of IP addresses in the VPC. The user can launch the AWS resources into a subnet. There are two supported platforms into which a user can launch instances: EC2-Classic and EC2-VPC. When the user launches an instance which is not a part of the non-default subnet, it will only have a private IP assigned to it. The instances part of a subnet can communicate with each other but cannot communicate over the internet or to the AWS services, such as RDS / S3.
NEW QUESTION 34
A SysOps Administrator has implemented a VPC network design with the following requirements
* Two Availability Zones (AZs) - Two private subnets
* Two public subnets
* One internet gateway
* One NAT gateway
What would potentially cause applications in the VPC to fail during an AZ outage?
- A. The default VPC route table, because it can be associated with a single AZ only
- B. A single internet gateway, because it is not redundant across both AZs.
- C. A single virtual private gateway, because it can be associated with a single AZ only.
- D. A single NAT gateway, because it is not redundant across both AZs
Answer: B
NEW QUESTION 35
A placement group in Amazon EC2 can
- A. reduce network latency and increase network throughput
- B. logically name and tag different tiers of the system (DB, application, business logic etc).
- C. isolate any instance-type physically so that groups access local resources.
- D. place high memory instances in one logical group.
Answer: A
Explanation:
Explanation
A placement group is a logical grouping of instances within a single Availability Zone. Placement groups are recommended for applications that benefit from low network latency, high network throughput, or both. To provide the lowest latency, and the highest packet-per-second network performance for your placement group, choose an instance type that supports enhanced networking.
References:
NEW QUESTION 36
A SySOps Administrator has created a new Amazon S3 bucket named mybucket for the Operations team. Members of the team are part of an IAM group to which the following IAM policy has been assigned.
Which of the following actions will be allowed on the bucket? (Select TWO.)
- A. Delete the bucket
- B. Get the bucket's region.
- C. Delete an object.
- D. List all the buckets in the account.
- E. Download an object
Answer: C,E
NEW QUESTION 37
A user is sending the data to CloudWatch using the CloudWatch API. The user is sending data 90 minutes in the future. What will CloudWatch do in this case?
- A. CloudWatch will accept the data
- B. It is not possible to send the data manually to CloudWatch
- C. It is not possible to send data of the future
- D. The user cannot send data for more than 60 minutes in the future
Answer: A
Explanation:
Explanation
With Amazon CloudWatch, each metric data point must be marked with a time stamp. The user can send the data using CLI but the time has to be in the UTC format. If the user does not provide the time, CloudWatch will take the data received time in the UTC time zone. The time stamp sent by the user can be up to two weeks in the past and up to two hours into the future.
NEW QUESTION 38
A SysOps Administrator needs to create a replica of a company's existing AWS infrastructure in a new AWS account. Currently, an AWS Service Catalog portfolio is used to create and manage resources.
What is the MOST efficient way to accomplish this?
- A. Manually create an AWS Service Catalog portfolio in the new AWS account that duplicates the original portfolio.
- B. Run an AWS Lambda function to create a new AWS Service Catalog portfolio based on the output of the DescribePortfolio API operation.
- C. Share the AWS Service Catalog portfolio with the other AWS accounts and import the portfolio into the other AWS accounts.
- D. Create an AWS CloudFormation template to use the AWS Service Catalog portfolio in the new AWS account.
Answer: C
NEW QUESTION 39
A user is launching an EC2 instance in the US East region. Which of the below mentioned options is recommended by AWS with respect to the selection of the availability zone?
- A. The user can never select the availability zone while launching an instance
- B. Always select the AZ while launching an instance
- C. Do not select the AZ; instead let AWS select the AZ
- D. Always select the US-East-1-a zone for HA
Answer: C
Explanation:
Explanation
When launching an instance with EC2, AWS recommends not to select the availability zone (AZ). AWS specifies that the default Availability Zone should be accepted. This is because it enables AWS to select the best Availability Zone based on the system health and available capacity. If the user launches additional instances, only then an Availability Zone should be specified. This is to specify the same or different AZ from the running instances.
NEW QUESTION 40
An organization has applied the below mentioned policy on an IAM group which has selected the IAM users.
What entitlements do the IAM users avail with this policy?
- A. The policy is for the group. Thus, the IAM user cannot have any entitlement to this
- B. If this policy is applied to the EC2 resource, the users of the group will have full access to the EC2 Resources
- C. The policy is not created correctly. It will throw an error for wrong resource name
- D. It allows full access to all AWS services for the IAM users who are a part of this group
Answer: D
Explanation:
Explanation
AWS Identity and Access Management is a web service which allows organizations to manage users and user permissions for various AWS services. The IAM group allows the organization to specify permissions for a collection of users. With the below mentioned policy, it will allow the group full access (Admin to all AWS services).
NEW QUESTION 41
Malicious traffic is reaching company web servers. A SysOps Administrator is tasked with blocking this traffic. The malicious traffic is distributed over many IP addresses and represents much higher traffic than is typically seen from legitimate users.
How should the Administrator protect the web servers?
- A. Place web servers behind AWS WAF and establish the rate limit to create a blacklist.
- B. Set the network access control list for the web servers' subnet and add deny entries.
- C. Use Amazon CloudFront to cache all pages and remove the traffic from the web servers.
- D. Create a security group for the web servers and add deny rules for malicious sources.
Answer: A
NEW QUESTION 42
Which services allow the customer to retain run administrative privileges or the underlying EC2 instances?
(Choose two.)
- A. Amazon Elastic Cache
- B. Amazon Relational Database Service
- C. Amazon Elastic Map Reduce
- D. AWS Elastic Beanstalk
- E. Elastic Load Balancing
Answer: C,D
NEW QUESTION 43
A user has configured CloudWatch monitoring on an EBS backed EC2 instance. If the user has not attached any additional device, which of the below mentioned metrics will always show a 0 value?
- A. NetworkIn
- B. CPUUtilization
- C. DiskReadBytes
- D. NetworkOut
Answer: C
Explanation:
Explanation
CloudWatch is used to monitor AWS as the well custom services. For EC2 when the user is monitoring the EC2 instances, it will capture the 7 Instance level and 3 system check parameters for the EC2 instance. Since this is an EBS backed instance, it will not have ephermal storage attached to it. Out of the 7 EC2 metrics, the 4 metrics DiskReadOps, DiskWriteOps, DiskReadBytes and DiskWriteBytes are disk related data and available only when there is ephermal storage attached to an instance. For an EBS backed instance without any additional device, this data will be 0.
NEW QUESTION 44
Security groups in Amazon VPC ______.
- A. control both inbound and outbound traffic
- B. control incoming traffic only
- C. control outgoing traffic only
- D. control neither incoming nor outgoing traffic
Answer: A
Explanation:
Explanation
Security Groups in VPC allow you to specify rules for both outgoing and incoming traffic.
References:
NEW QUESTION 45
How can an EBS volume that is currently attached to an EC2 instance be migrated from one Availability Zone to another?
- A. Detach the volume and attach it to another EC2 instance in the other AZ.
- B. Create a snapshot of the volume, and create a new volume from the snapshot in the other AZ.
- C. Detach the volume, then use the ec2-migrate-volume command to move it to another AZ.
- D. Simply create a new volume in the other AZ and specify the original volume as the source.
Answer: B
Explanation:
Explanation
These snapshots can be used to create multiple new EBS volumes, expand the size of a volume, or move volumes across Availability Zone
NEW QUESTION 46
Which of the following is an incorrect statement about Amazon CloudWatch?
- A. You gain system-wide visibility into resource utilization, application performance, and operational health.
- B. You can control and monitor all Security Groups and their related rules.
- C. You can use CloudWatch to collect and track metrics, which are the variables you want to measure for your resources and applications.
- D. You can set CloudWatch alarms to send notifications or automatically make changes to the resources you are monitoring, based on rules that you define.
Answer: B
Explanation:
Explanation
Amazon CloudWatch monitors your Amazon Web Services (AWS) resources and the applications you run on AWS in real-time.
You can use CloudWatch to collect and track metrics, which are the variables you want to measure for your resources and applications. CloudWatch alarms send notifications or automatically make changes to the resources you are monitoring based on rules that you define. For example, you can monitor the CPU usage and disk reads and writes of your Amazon Elastic Compute Cloud (Amazon EC2) instances and then use this data to determine whether you should launch additional instances to handle increased load. You can also use this data to stop under-used instances to save money. In addition to monitoring the built-in metrics that come with AWS, you can monitor your own custom metrics. With CloudWatch, you gain system-wide visibility into resource utilization, application performance, and operational health.
References:
NEW QUESTION 47
A user has a refrigerator plant. The user is measuring the temperature of the plant every 15 minutes. If the user wants to send the data to CloudWatch to view the data visually, which of the below mentioned statements is true with respect to the information given above?
- A. The user cannot upload data to CloudWatch since it is not an AWS service metric
- B. The user will upload data from the AWS console
- C. The user needs to use AWS CLI or API to upload the data
- D. The user can use the AWS Import Export facility to import data to CloudWatch
Answer: C
Explanation:
Explanation
AWS CloudWatch supports the custom metrics. The user can always capture the custom data and upload the data to CloudWatch using CLI or APIs. While sending the data the user has to include the metric name, namespace and timezone as part of the request.
NEW QUESTION 48
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