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AWS SysOps Administrator Associate Certification Exam Dumps

 

Question #91

A user has created a VPC with CIDR 20.0.0.0/24. The user has created a public subnet with CIDR
20.0.0.0/25. The user is trying to create the private subnet with CIDR 20.0.0.128/25. Which of the below mentioned statements is true in this scenario?

  • A. It will not allow the user to create the private subnet due to a CIDR overlap
  • B. It will allow the user to create a private subnet with CIDR as 20.0.0.128/25
  • C. This statement is wrong as AWS does not allow CIDR 20.0.0.0/25
  • D. It will not allow the user to create a private subnet due to a wrong CIDR range

Correct Answer: B
When the user creates a subnet in VPC, he specifies the CIDR block for the subnet. The CIDR block of a subnet can be the same as the CIDR block for the VPC (for a single subnet in the VPC., or a subset (to enable multiple subnets. If the user creates more than one subnet in a VPC, the CIDR blocks of the subnets must not overlap. Thus, in this case the user has created a VPC with the CIDR block 20.0.0.0/24, which supports 256
IP addresses (20.0.0.0 to 20.0.0.255. The user can break this CIDR block into two subnets, each supporting
128 IP addresses. One subnet uses the CIDR block 20.0.0.0/25 (for addresses 20.0.0.0 – 20.0.0.127. and the other uses the CIDR block 20.0.0.128/25 (for addresses 20.0.0.128 – 20.0.0.255.

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Question #92

A user has created an S3 bucket which is not publicly accessible. The bucket is having thirty objects which are also private. If the user wants to make the objects public, how can he configure this with minimal efforts?

  • A. The user should select all objects from the console and apply a single policy to mark them public
  • B. The user can write a program which programmatically makes all objects public using S3 SDK
  • C. Set the AWS bucket policy which marks all objects as public
  • D. Make the bucket ACL as public so it will also mark all objects as public

Correct Answer: C
A system admin can grant permission of the S3 objects or buckets to any user or make the objects public using the bucket policy and user policy. Both use the JSON-based access policy language. Generally, if the user is defining the ACL on the bucket, the objects in the bucket do not inherit it and vice a versa. The bucket policy can be defined at the bucket level which allows the objects as well as the bucket to be public with a single policy applied to that bucket.

Question #93

A sys admin is maintaining an application on AWS. The application is installed on EC2 and user has configured ELB and Auto Scaling. Considering future load increase, the user is planning to launch new servers proactively so that they get registered with ELB. How can the user add these instances with Auto Scaling?

  • A. Increase the desired capacity of the Auto Scaling group
  • B. Increase the maximum limit of the Auto Scaling group
  • C. Launch an instance manually and register it with ELB on the fly
  • D. Decrease the minimum limit of the Auto Scaling group
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Correct Answer: A
A user can increase the desired capacity of the Auto Scaling group and Auto Scaling will launch a new instance as per the new capacity. The newly launched instances will be registered with ELB if Auto Scaling group is configured with ELB. If the user decreases the minimum size the instances will be removed from Auto
Scaling. Increasing the maximum size will not add instances but only set the maximum instance cap.

Question #94

An organization, which has the AWS account ID as 999988887777, has created 50 IAM users. All the users are added to the same group cloudacademy. If the organization has enabled that each IAM user can login with the AWS console, which AWS login URL will the IAM users use?

  • A. https:// 999988887777.signin.aws.amazon.com/console/
  • B. https:// signin.aws.amazon.com/cloudacademy/
  • C. https:// cloudacademy.signin.aws.amazon.com/999988887777/console/
  • D. https:// 999988887777.aws.amazon.com/ cloudacademy/

Correct Answer: A
AWS Identity and Access Management is a web service which allows organizations to manage users and user permissions for various AWS services. Once the organization has created the IAM users, they will have a separate AWS console URL to login to the AWS console. The console login URL for the IAM user will be https:// AWS_Account_ID.signin.aws.amazon.com/console/. It uses only the AWS account ID and does not depend on the group or user ID.

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Question #95

A user has setup connection draining with ELB to allow in-flight requests to continue while the instance is being deregistered through Auto Scaling. If the user has not specified the draining time, how long will ELB allow inflight requests traffic to continue?

  • A. 600 seconds
  • B. 3600 seconds
  • C. 300 seconds
  • D. 0 seconds

Correct Answer: C
The Elastic Load Balancer connection draining feature causes the load balancer to stop sending new requests to the back-end instances when the instances are deregistering or become unhealthy, while ensuring that inflight requests continue to be served. The user can specify a maximum time (3600 seconds. for the load balancer to keep the connections alive before reporting the instance as deregistered. If the user does not specify the maximum timeout period, by default, the load balancer will close the connections to the deregistering instance after 300 seconds.

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