AWS-SysOps Practice Test

AWS-SysOps Practice Test practice questions, page 34 of 38, with answer review and explanations.

Question 166

A user has created a VPC with public and private subnets using the VPC wizard. The user has not launched any instance manually and is trying to delete the VPC. What will happen in this scenario?

  1. It will not allow to delete the VPC as it has subnets with route tables
  2. It will not allow to delete the VPC since it has a running route instance
  3. It will terminate the VPC along with all the instances launched by the wizard
  4. It will not allow to delete the VPC since it has a running NAT instance

Question 167

An organization is measuring the latency of an application every minute and storing data inside a file in the JSON format. The organization wants to send all latency data to AWS CloudWatch. How can the organization achieve this?

  1. The user has to parse the file before uploading data to CloudWatch
  2. It is not possible to upload the custom data to CloudWatch
  3. The user can supply the file as an input to the CloudWatch command
  4. The user can use the CloudWatch Import command to import data from the file to CloudWatch

Question 168

A user has launched an EBS backed instance with EC2-Classic. The user stops and starts the instance. Which of the below mentioned statements is not true with respect to the stop/start action?

  1. The instance gets new private and public IP addresses
  2. The volume is preserved
  3. The Elastic IP remains associated with the instance
  4. The instance may run on a new host computer

Question 169

A user has launched an RDS postgreSQL DB with AWS. The user did not specify the maintenance window during creation. The user has configured RDS to update the DB instance type from micro to large. If the user wants to have it during the maintenance window, what will AWS do?

  1. AWS will not allow to update the DB until the maintenance window is configured
  2. AWS will select the default maintenance window if the user has not provided it
  3. AWS will ask the user to specify the maintenance window during the update
  4. It is not possible to change the DB size from micro to large with RDS

Question 170

A user has created a subnet in VPC and launched an EC2 instance within it. The user has not selected the option to assign the IP address while launching the instance. The user has 3 elastic IPs and is trying to assign one of the Elastic IPs to the VPC instance from the console. The console does not show any instance in the IP assignment screen. What is a possible reason that the instance is unavailable in the assigned IP console?

  1. The IP address may be attached to one of the instances
  2. The IP address belongs to a different zone than the subnet zone
  3. The user has not created an internet gateway
  4. The IP addresses belong to EC2 Classic; so they cannot be assigned to VPC