AWS Certified SAP on AWS Specialty (PAS-C01)

The AWS Certified SAP on AWS Specialty (PAS-C01) were last updated on today.

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Topic 1 - Exam A

Question #1 Topic 1

A company hosts an SAP HANA database on an Amazon EC2 instance in the us-east-1 Region. The company needs to implement a disaster recovery (DR) site in the us-west-1 Region. The company needs a cost-optimized solution that offers a guaranteed capacity reservation, an RPO of less than 30 minutes, and an RTO of less than 30 minutes. Which solution will meet these requirements?

A Deploy a single EC2 instance to support the secondary database in us-west-1 with additional storage. Use this secondary database instance to support QA and production. Configure the primary SAP HANA database in us-east-1 to constantly replicate the data to the secondary SAP HANA database in us-west-1 by using SAP HANA system replication with preload off. During DR, shut down the QA SAP HANA instance and restart the production services at the secondary site.
B Deploy a secondary staging server on an EC2 instance in us-west-1. Use CloudEndure Disaster Recovery to replicate changes at the database level from us-east-1 to the secondary staging server on an ongoing basis. During DR, initiate cutover, increase the size of the secondary EC2 instance to match the primary EC2 instance, and start the secondary EC2 instance.
C Set up the primary SAP HANA database in us-east-1 to constantly replicate the data to a secondary SAP HANA database in us-west-1 by using SAP HANA system replication with preload on. Keep the secondary SAP HANA instance as a hot standby that is ready to take over in case of failure.
D Create an SAP HANA database AMI by using Amazon Elastic Block Store (Amazon EBS) snapshots. Replicate the database and log backup files from a primary Amazon S3 bucket in us-east-1 to a secondary S3 bucket in us-west-1. During DR, launch the EC2 instance in us-west-1 based on AMIs that are replicated. Update host information. Download database and log backups from the secondary S3 bucket. Perform a point-in-time recovery.

Suggested Answer: C
NOTE: Solution C meets all of the requirements as it constantly replicates the data to a secondary SAP HANA database in us-west-1 with a guaranteed capacity reservation. The secondary SAP HANA instance is kept as a hot standby, ensuring an RPO and RTO of less than 30 minutes.

Question #2 Topic 1

A global enterprise is running SAP ERP Central Component (SAP ECC) workloads on Oracle in an on-premises environment. The enterprise plans to migrate to SAP S/4HANA on AWS. The enterprise recently acquired two other companies. One of the acquired companies is running SAP ECC on Oracle as its ERP system. The other acquired company is running an ERP system that is not from SAP. The enterprise wants to consolidate the three ERP systems into one ERP system on SAP S/4HANA on AWS. Not all the data from the acquired companies needs to be migrated to the final ERP system. The enterprise needs to complete this migration with a solution that minimizes cost and maximizes operational efficiency. Which solution will meet these requirements?

A Perform a lift-and-shift migration of all the systems to AWS. Migrate the ERP system that is not from SAP to SAP ECC. Convert all three systems to SAP S/4HANA by using SAP Software Update Manager (SUM) Database Migration Option (DMO). Consolidate all three SAP S/4HANA systems into a final SAP S/4HANA system. Decommission the other systems.
B Perform a lift-and-shift migration of all the systems to AWS. Migrate the enterprise's initial system to SAP HANA, and then perform a conversion to SAP S/4HANA. Consolidate the two systems from the acquired companies with this SAP S/4HANA system by using the Selective Data Transition approach with SAP Data Management and Landscape Transformation (DMLT).
C Use SAP Software Update Manager (SUM) Database Migration Option (DMO) with System Move to re-architect the enterprise’s initial system to SAP S/4HANA and to change the platform to AWS. Consolidate the two systems from the acquired companies with this SAP S/4HANA system by using the Selective Data Transition approach with SAP Data Management and Landscape Transformation (DMLT).
D Use SAP Software Update Manager (SUM) Database Migration Option (DMO) with System Move to re-architect all the systems to SAP S/4HANA and to change the platform to AWS. Consolidate all three SAP S/4HANA systems into a final SAP S/4HANA system. Decommission the other systems.

Suggested Answer: C
NOTE: This solution is the most cost-effective and efficient because it re-architects the enterprise's initial system to SAP S/4HANA on AWS, avoiding the cost of migrating that system twice. It also uses the Selective Data Transition approach with SAP Data Management and Landscape Transformation (DMLT) to consolidate the two acquired systems, minimizing the amount of data that needs to be migrated and reducing the overall cost of the migration.

Question #3 Topic 1

A company wants to run SAP HANA on AWS in the eu-central-1 Region. The company must make the SAP HANA system highly available by using SAP HANA system replication. In addition, the company must create a disaster recovery (DR) solution that uses SAP HANA system replication in the eu-west-1 Region. As prerequisites, the company has confirmed that Inter-AZ latency is less than 1 ms and that Inter-Region latency is greater than 1 ms. Which solutions will meet these requirements? (Choose two.)

A Install the tier 1 primary system and the tier 2 secondary system in eu-central-1. Configure the tier 1 system in Availability Zone 1. Configure the tier 2 system in Availability Zone 2. Configure SAP HANA system replication between tier 1 and tier 2 by using ASYNC replication mode. Install the DR tier 3 secondary system in eu-west-1 by using SYNC replication mode.
B Install the tier 1 primary system and the tier 2 secondary system in eu-central-1. Configure the tier 1 system in Availability Zone 1. Configure the tier 2 system in Availability Zone 2. Configure SAP HANA system replication between tier 1 and tier 2 by using SYNC replication mode. Install the DR tier 3 secondary system in eu-west-1 by using ASYNC replication mode.
C Install the tier 1 primary system and the tier 2 secondary system in eu-central-1. Configure the tier 1 system in Availability Zone 1. Configure the tier 2 system in Availability Zone 2. Configure SAP HANA system replication between tier 1 and tier 2 by using SYNC replication mode. Install the DR tier 3 secondary system in eu-west-1. Store daily backups from tier 1 in an Amazon S3 bucket in eu-central-1. Use S3 Cross-Region Replication to copy the daily backups to eu-west-1, where they can be restored if needed.
D Install the tier 1 primary system in eu-central-1. Install the tier 2 secondary system and the DR tier 3 secondary system in eu-west-1. Configure the tier 2 system in Availability Zone 1. Configure the tier 3 system in Availability Zone 2. Configure SAP HANA system replication between all tiers by using ASYNC replication mode.
E Install the tier 1 primary system and the tier 2 secondary system in eu-central-1. Configure the tier 1 system in Availability Zone 1. Configure the tier 2 system in Availability Zone 2. Configure SAP HANA system replication between tier 1 and tier 2 by using SYNCMEM replication mode. Install the DR tier 3 secondary system in eu-west-1 by using ASYNC replication mode.

Suggested Answer: AC
NOTE: Both options A and C meet the requirements. They both have the primary and secondary systems in eu-central-1 with system replication using SYNC mode. Option A has the DR system in eu-west-1 using ASYNC replication while option C has the DR system in eu-west-1 with daily backups stored in S3 and cross-region replication enabled. Both options meet the latency requirements and provide high availability and disaster recovery.

Question #4 Topic 1

A company wants to migrate its SAP S/4HANA software from on premises to AWS in a few weeks. An SAP solutions architect plans to use AWS Launch Wizard for SAP to automate the SAP deployment on AWS. Which combination of steps must the SAP solutions architect take to use Launch Wizard to meet these requirements? (Choose two.)

A Download the SAP software files from the SAP Support Portal. Upload the SAP software files to Amazon S3. Provide the S3 bucket path as an input to Launch Wizard.
B Provide the SAP S-user ID and password as inputs to Launch Wizard to download the software automatically.
C Format the S3 file path syntax according to the Launch Wizard deployment recommendation.
D Use an AWS CloudFormation template for the automated deployment of the SAP landscape.
E Provision Amazon EC2 instances. Tag the instances to install SAP S/4HANA on them.

Suggested Answer: AD
NOTE: To use Launch Wizard for SAP to migrate SAP S/4HANA software from on premises to AWS, the SAP solutions architect needs to take the following steps: A) Download the SAP software files from the SAP Support Portal, upload them to Amazon S3, and provide the S3 bucket path as input to Launch Wizard. D) Use an AWS CloudFormation template for the automated deployment of the SAP landscape.

Question #5 Topic 1

An SAP solutions architect is leading the SAP basis team for a company. The company’s SAP landscape includes SAP HANA database instances for the following systems: sandbox, development, quality assurance test (QAT), system performance test (SPT), and production. The sandbox, development, and QAT systems are running on Amazon EC2 On-Demand Instances. The SPT and production systems are running on EC2 Reserved instances. All the EC2 instances are using Provisioned IOPS SSO (io2) Amazon Elastic Block Store (Amazon EBS) volumes. The entire development team is in the same time zone and works from 8 AM to 6 PM. The sandbox system is for research and testing that are not critical. The SPT and production systems are business critical. The company runs load-testing jobs and stress-testing jobs on the QAT systems overnight to reduce testing duration. The company wants to optimize infrastructure cost for the existing AWS resources. How can the SAP solutions architect meet these requirements with the LEAST amount of administrative effort?

A Use a Spot Fleet instead of the Reserved Instances and On-Demand Instances.
B Use Amazon EventBridge (Amazon CloudWatch Events) and Amazon CloudWatch alarms to stop the development and sandbox EC2 instances from 7 PM every night to 7 AM the next day.
C Make the SAP basis team available 24 hours a day, 7 days a week to use the AWS CLI to stop and start the development and sandbox EC2 instances manually.
D Change the EBS volume type to Throughput Optimized HDD (st1) for the /hana/data and /hana/log file systems for the production and non-production SAP HANA databases.

Suggested Answer: B
NOTE: Using Amazon EventBridge and CloudWatch alarms to stop the development and sandbox EC2 instances during non-working hours would require the least administrative effort as it can be automated and does not require manual intervention. This would help optimize infrastructure cost by reducing the usage of non-critical instances during non-working hours.