AWS Certified Solutions Architect - Professional practice questions, page 31 of 41, with answer review and explanations.
Question 151
How can multiple compute resources be used on the same pipeline in AWS Data Pipeline?
You can use multiple compute resources on the same pipeline by defining multiple cluster objects in your definition file and associating the cluster to use for each activity via its runs On field.
You can use multiple compute resources on the same pipeline by defining multiple cluster definition files
You can use multiple compute resources on the same pipeline by defining multiple clusters for your activity.
You cannot use multiple compute resources on the same pipeline.
Question 152
The two policies that you attach to an IAM role are the access policy and the trust policy. The trust policy identifies who can assume the role and grants the permission in the AWS Lambda account principal by adding the _______ action.
aws:AssumeAdmin
lambda:InvokeAsync
sts:InvokeAsync
sts:AssumeRole
Question 153
The MySecureData company has five branches across the globe. They want to expand their data centers such that their web server will be in the AWS and each branch would have their own database in the local data center. Based on the user login, the company wants to connect to the data center. How can MySecureData company implement this scenario with the AWS VPC?
Create five VPCs with the public subnet for the app server and setup the VPN gateway for each VPN to connect them individually.
Use the AWS VPN CloudHub to communicate with multiple VPN connections.
Use the AWS CloudGateway to communicate with multiple VPN connections.
It is not possible to connect different data centers from a single VPC.
Question 154
One of your AWS Data Pipeline activities has failed consequently and has entered a hard failure state after retrying thrice. You want to try it again. Is it possible to increase the number of automatic retries to more than thrice?
Yes, you can increase the number of automatic retries to 6.
Yes, you can increase the number of automatic retries to indefinite number.
No, you cannot increase the number of automatic retries.
Yes, you can increase the number of automatic retries to 10.
Question 155
True or False: In Amazon ElastiCache replication groups of Redis, for performance tuning reasons, you can change the roles of the cache nodes within the replication group, with the primary and one of the replicas exchanging roles.
True, however, you get lower performance.
FALSE
TRUE
False, you must recreate the replication group to improve performance tuning.