PAS-C01 Design of SAP Workloads on AWS Practice Test 18 — 15 Questions

Question 1

A company is designing an SAP environment on AWS and needs to ensure high availability for SAP HANA. Which TWO AWS services or features are commonly used to achieve this? (Choose TWO.)

Accepted Answer

Amazon Route 53 with failover routing. Amazon Route 53 with failover routing is correct because it allows DNS-based routing to redirect traffic to a secondary SAP HANA instance in another Availability Zone if the primary fails. This is a common pattern for achieving high availability for SAP HANA on AWS, as it works in conjunction with SAP HANA system replication to provide automatic failover at the DNS level.

Answer

Amazon EFS with Multi-AZ mount targets

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Amazon S3 cross-region replication

Answer

AWS Global Accelerator with endpoint weights

Question 2

An SAP administrator is setting up a disaster recovery (DR) site for SAP S/4HANA in a different AWS Region. To minimize data loss, which THREE strategies should be implemented? (Choose THREE.)

Accepted Answer

Set up automated EBS snapshots of HANA volumes and copy them to the DR region.. Automated EBS snapshots of HANA volumes can be copied to the DR region using AWS Backup or custom scripts, providing point-in-time recovery with minimal data loss. This strategy ensures that persistent data is asynchronously replicated across regions, which is a standard approach for SAP disaster recovery.

Answer

Use EBS Multi-Attach volumes to share disks between regions.

Answer

Use Amazon CloudFront to cache HANA data in the DR region.

Question 3

A company is planning to run SAP NetWeaver on AWS and needs to ensure that the architecture supports high availability for the application layer. Which TWO components are essential for an HA SAP NetWeaver application server setup? (Choose TWO.)

Accepted Answer

Multiple EC2 instances in different Availability Zones. For high availability of the SAP NetWeaver application layer, you need multiple EC2 instances distributed across different Availability Zones (AZs) to eliminate a single point of failure. An Application Load Balancer (ALB) is essential to distribute incoming traffic across these instances and perform health checks, ensuring that if one instance or AZ fails, traffic is routed to healthy instances. This combination provides fault tolerance and automatic failover for the SAP application servers.

Answer

Amazon ElastiCache for session management

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A single large EC2 instance for all application servers

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Amazon RDS for database layer

Question 4

An SAP administrator created the IAM policy shown in the exhibit to allow a monitoring tool to start and stop SAP application servers tagged with Environment=Production. When testing the policy, the tool fails to start an instance. What is the most likely cause?

Accepted Answer

The policy does not allow starting instances that are already running.. Option C is correct because the policy uses a condition that checks if the instance is already running (`ec2:InstanceState/Name` equals `running`). The `ec2:StartInstances` action is only allowed when the instance is in the `running` state, but starting an instance requires it to be in the `stopped` state. This mismatch causes the start action to fail for production-tagged instances.

Answer

The policy requires the instance to be stopped before starting.

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The policy is missing the ec2:DescribeInstances action.

Answer

The resource ARN does not match the instance ID.

Question 5

An SAP administrator runs the AWS CLI command shown in the exhibit for an EC2 instance used as an SAP HANA database server. The server has two EBS volumes attached: a root volume (/dev/xvda) and a data volume (/dev/sdf). Based on the output, what will happen when the instance is terminated?

Accepted Answer

The root volume will be deleted, and the data volume will persist.. Option C is correct because the root volume has DeleteOnTermination set to true, so it will be deleted. The data volume has DeleteOnTermination set to false, so it will persist. Option A is wrong because the data volume is not deleted. Option B is wrong because the root volume is deleted. Option D is wrong because both volumes are affected differently.

Answer

The instance cannot be terminated because DeleteOnTermination is set inconsistently.

Answer

Both volumes will be deleted.

Answer

Both volumes will persist.

Question 6

An administrator is reviewing a CloudFormation template to deploy an SAP ASCS instance. The template snippet is shown in the exhibit. What is a potential issue with this configuration for a production deployment?

Accepted Answer

The instance type m5.large is not certified for SAP ASCS.. Option B is correct because the m5.large instance type is not certified for SAP ASCS on AWS. SAP requires specific instance types that have passed SAP's certification tests for high-availability and performance requirements of the ASCS (ABAP Central Services) role. Using an uncertified instance type can lead to unsupported configurations, potential performance issues, and lack of SAP support.

Answer

The AMI ID is not specified correctly.

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The security group is not defined in the template.

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The tags are not sufficient for SAP discovery.

Question 7

A company is running SAP S/4HANA on AWS. The application team reports that batch jobs are failing intermittently with database connection timeouts. The SAP system uses a single Availability Zone deployment. Which design change should the architect recommend to improve database availability?

Accepted Answer

Configure SAP HANA System Replication across two Availability Zones. SAP HANA System Replication (HSR) across two Availability Zones provides synchronous or asynchronous data replication at the database level, ensuring that if the primary HANA instance fails, the secondary can take over with minimal downtime. This directly addresses the intermittent database connection timeouts by eliminating the single point of failure in a single-AZ deployment, as the application can failover to the replica without manual intervention.

Answer

Use Amazon EBS Multi-Attach to attach the same volume to multiple EC2 instances

Answer

Implement an Amazon RDS for SAP HANA read replica

Answer

Scale up the SAP HANA instance to a larger instance type

Question 8

An architect is designing a disaster recovery (DR) solution for an SAP ERP system on AWS. The primary site is in us-east-1 and the DR site is in us-west-2. The SAP application uses an Oracle database. The RTO is 4 hours and RPO is 1 hour. Which solution meets these requirements with the least operational overhead?

Accepted Answer

Configure AWS Database Migration Service (DMS) with ongoing replication from the primary Oracle database to a standby in us-west-2. AWS Database Migration Service (DMS) with ongoing replication provides continuous change data capture (CDC) from the primary Oracle database to a standby in us-west-2, meeting the 1-hour RPO and 4-hour RTO with minimal operational overhead. DMS handles schema conversion, replication, and failover without requiring manual intervention or complex Oracle licensing, making it the most efficient choice for cross-region DR.

Answer

Set up Oracle Active Data Guard between the primary and DR regions

Answer

Take daily EBS snapshots of the database volumes and copy them to us-west-2, then restore using the snapshots

Answer

Use AWS Backup to copy EC2 AMIs and RDS snapshots to us-west-2 every hour

Question 9

A company plans to migrate its SAP ERP system to AWS. The system currently runs on IBM Db2 and uses a large amount of memory. The architect needs to choose an EC2 instance type that is SAP certified and provides high memory. Which instance family should the architect select?

Accepted Answer

x1e.32xlarge. The x1e.32xlarge instance is SAP-certified for high-memory workloads and is specifically designed for large in-memory databases like IBM Db2. It offers up to 3,904 GiB of memory, making it suitable for SAP ERP systems that require a large memory footprint. Other instance families like C5, R5, and I3 are not SAP-certified for high-memory SAP workloads or lack the necessary memory capacity.

Answer

c5.18xlarge

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r5.24xlarge

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i3.16xlarge

Question 10

An SAP Basis administrator notices that the SAP application is running slowly during peak hours. The system is deployed on a single r5.8xlarge instance with 256 GiB of memory. CloudWatch metrics show high CPU utilization but moderate memory usage. Which action should the architect take to improve performance?

Accepted Answer

Change the instance type to c5.9xlarge. Switching to a compute-optimized instance like c5.9xlarge provides more CPU resources for the same memory footprint, addressing high CPU utilization. Option B is wrong because adding memory won't help if CPU is the bottleneck. Option C is wrong because increasing EBS volume size does not improve CPU. Option D is wrong because Provisioned IOPS addresses disk performance, not CPU.

Answer

Increase the instance memory by selecting r5.12xlarge

Answer

Increase the size of the EBS root volume

Answer

Add Provisioned IOPS to the EBS volumes

Question 11

A company runs SAP Business Suite on AWS with an Oracle database. The database is stored on Amazon EBS volumes. The architect wants to implement a backup strategy that meets a recovery point objective (RPO) of 15 minutes and a recovery time objective (RTO) of 2 hours. Which solution is the most cost-effective?

Accepted Answer

Take EBS snapshots of the database volumes every 15 minutes and store them in Amazon S3. Option C is the most cost-effective because EBS snapshots are incremental, storing only changed blocks, and can be automated via Amazon Data Lifecycle Manager to meet a 15-minute RPO. Restoring from an EBS snapshot to a new volume typically completes within minutes, easily satisfying the 2-hour RTO, and there are no ongoing compute costs for a standby instance or replication server.

Answer

Maintain a standby Oracle database in another Availability Zone using Oracle Data Guard

Answer

Use Oracle Recovery Manager (RMAN) to back up to Amazon S3 every 15 minutes

Answer

Use AWS Database Migration Service (DMS) with ongoing replication to a separate EC2 instance

Question 12

An architect is designing a network topology for an SAP system on AWS. The SAP application servers must be placed in private subnets, and the web dispatchers must be accessible from the internet. Which configuration should the architect use to meet these requirements?

Accepted Answer

Place the web dispatchers in public subnets, the application servers in private subnets, and use a Network Load Balancer in front of the web dispatchers. Option D is correct because web dispatchers need direct internet accessibility, which is achieved by placing them in public subnets with an Internet Gateway route. The SAP application servers must remain in private subnets for security, and a Network Load Balancer (NLB) in front of the web dispatchers provides layer 4 load balancing and health checks without exposing the dispatchers' IPs directly, while preserving client IP for logging and security.

Answer

Place all SAP servers in public subnets and use security groups to restrict access

Answer

Place the web dispatchers in private subnets and use a NAT Gateway for internet access

Answer

Place all servers in private subnets and use an Application Load Balancer for internet access

Question 13

A company runs SAP HANA on AWS and needs to ensure that the database can survive a single Availability Zone failure without manual intervention. The SAP HANA system is currently deployed on a single EC2 instance. Which solution meets this requirement?

Accepted Answer

Configure SAP HANA System Replication with a secondary instance in a different Availability Zone and enable automatic takeover. SAP HANA System Replication with automatic takeover in a Multi-AZ setup provides automatic failover. Option A is wrong because a single instance in one AZ does not survive AZ failure. Option C is wrong because manual snapshots require intervention. Option D is wrong because Auto Scaling is for stateless applications, not databases.

Answer

Use an Auto Scaling group to launch a new SAP HANA instance if the current instance fails

Answer

Deploy the SAP HANA instance in a placement group within a single Availability Zone

Answer

Take daily EBS snapshots and copy them to another AWS Region

Question 14

An architect is designing a storage solution for an SAP Business Warehouse (BW) system on AWS. The system requires high throughput for data extraction and transformation. The existing on-premises system uses SAN storage with 10,000 IOPS. Which Amazon EBS volume type should the architect choose to meet or exceed this performance at the lowest cost?

Accepted Answer

gp3 with 10,000 IOPS and 500 MB/s throughput. Amazon EBS gp3 volumes can provision up to 16,000 IOPS and 1,000 MB/s throughput independently, making them suitable for SAP BW workloads requiring 10,000 IOPS. gp3 offers a lower cost than io1 because it includes a baseline performance (3,000 IOPS and 125 MB/s) and only charges for additional provisioned IOPS and throughput, whereas io1 charges for every provisioned IOPS. This makes gp3 the most cost-effective choice to meet or exceed the required 10,000 IOPS and 500 MB/s throughput.

Answer

sc1 with 10,000 IOPS

Answer

io1 with 10,000 Provisioned IOPS

Answer

st1 with 10,000 IOPS

Question 15

A company is planning to run SAP S/4HANA on AWS. The architect needs to ensure that the EC2 instances are SAP certified for the specific SAP HANA version. Where should the architect verify the instance certification?

Accepted Answer

SAP Certified and Supported SAP HANA Hardware Directory. The SAP Certified and Supported SAP HANA Hardware Directory lists all certified hardware, including AWS instance types. Option A is wrong because the AWS documentation may not list all certifications. Option C is wrong because the AWS Management Console does not show SAP certification status. Option D is wrong because the SAP Support Portal is for incidents, not hardware certification.

Answer

SAP Support Portal

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AWS Management Console under EC2 instance types

Answer

AWS documentation for SAP on AWS