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Question 176
A user has a weighing plant. The user measures the weight of some goods every 5 minutes and sends data to AWS CloudWatch for monitoring and tracking.
Which of the below mentioned parameters is mandatory for the user to include in the request list?
- A: Value
- B: Namespace
- C: Metric Name
- D: Time zone
Question 177
An organization has configured Auto Scaling for hosting their application. The system admin wants to understand the Auto Scaling health check process. If the instance is unhealthy, Auto Scaling launches an instance and terminates the unhealthy instance. What is the order execution?
- A: Auto Scaling launches a new instance first and then terminates the unhealthy instance
- B: Auto Scaling performs the launch and terminate processes in a random order
- C: Auto Scaling launches and terminates the instances simultaneously
- D: Auto Scaling terminates the instance first and then launches a new instance
Question 178
A user is trying to connect to a running EC2 instance using SSH. However, the user gets an Unprotected Private Key File error. Which of the below mentioned options can be a possible reason for rejection?
- A: The private key file has the wrong file permission
- B: The ppk file used for SSH is read only
- C: The public key file has the wrong permission
- D: The user has provided the wrong user name for the OS login
Question 179
You are designing a system that has a Bastion host. This component needs to be highly available without human intervention.
Which of the following approaches would you select?
- A: Run the bastion on two instances one in each AZ
- B: Run the bastion on an active Instance in one AZ and have an AMI ready to boot up in the event of failure
- C: Configure the bastion instance in an Auto Scaling group. Specify the Auto Scaling group to include multiple AZs but have a min-size of 1 and max-size of 1
- D: Configure an ELB in front of the bastion instance
Question 180
A user has provisioned 2000 IOPS to the EBS volume. The application hosted on that EBS is experiencing less IOPS than provisioned. Which of the below mentioned options does not affect the IOPS of the volume?
- A: The application does not have enough IO for the volume
- B: The instance is EBS optimized
- C: The EC2 instance has 10 Gigabit Network connectivity
- D: The volume size is too large
Question 181
A storage admin wants to encrypt all the objects stored in S3 using server side encryption. The user does not want to use the AES 256 encryption key provided by
S3. How can the user achieve this?
- A: The admin should upload his secret key to the AWS console and let S3 decrypt the objects
- B: The admin should use CLI or API to upload the encryption key to the S3 bucket. When making a call to the S3 API mention the encryption key URL in each request
- C: S3 does not support client supplied encryption keys for server side encryption
- D: The admin should send the keys and encryption algorithm with each API call
Question 182
A user is trying to create a PIOPS EBS volume with 8 GB size and 200 IOPS. Will AWS create the volume?
- A: Yes, since the ratio between EBS and IOPS is less than 30
- B: No, since the PIOPS and EBS size ratio is less than 30
- C: No, the EBS size is less than 10 GB
- D: Yes, since PIOPS is higher than 100
Question 183
A user has scheduled the maintenance window of an RDS DB on Monday at 3 AM. Which of the below mentioned events may force to take the DB instance offline during the maintenance window?
- A: Enabling Read Replica
- B: Making the DB Multi AZ
- C: DB password change
- D: Security patching
Question 184
An organization has launched 5 instances: 2 for production and 3 for testing. The organization wants that one particular group of IAM users should only access the test instances and not the production ones. How can the organization set that as a part of the policy?
- A: Launch the test and production instances in separate regions and allow region wise access to the group
- B: Define the IAM policy which allows access based on the instance ID
- C: Create an IAM policy with a condition which allows access to only small instances
- D: Define the tags on the test and production servers and add a condition to the IAM policy which allows access to specific tags
Question 185
A user has configured Auto Scaling with the minimum capacity as 2 and the desired capacity as 2. The user is trying to terminate one of the existing instance with the command:
What will Auto Scaling do in this scenario?
- A: Terminates the instance and does not launch a new instance
- B: Terminates the instance and updates the desired capacity to 1
- C: Terminates the instance and updates the desired capacity and minimum size to 1
- D: Throws an error
Question 186
A user is collecting 1000 records per second. The user wants to send the data to CloudWatch using the custom namespace. Which of the below mentioned options is recommended for this activity?
- A: Aggregate the data with statistics, such as Min, max, Average, Sum and Sample data and send the data to CloudWatch
- B: Send all the data values to CloudWatch in a single command by separating them with a comma. CloudWatch will parse automatically
- C: Create one csv file of all the data and send a single file to CloudWatch
- D: It is not possible to send all the data in one call. Thus, it should be sent one by one. CloudWatch will aggregate the data automatically
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