5V0-11-21 Cloud on AWS Master Specialist Practice Questions
Prepare for 5V0-11-21 with more than an answer.
- Exam fee
- $250 USD
- Level
- Master Specialist
- Valid for
- 2 years
Domains covered on the exam 7
- VMware Cloud on AWS Architectures and Technologies15%
- Integrating Other VMware Products with the SDDC15%
- Planning and Designing20%
- Deploying and Configuring25%
- Performance-tuning and Optimization10%
- Administrative and Operational Tasks25%
- Troubleshooting and Repairing10%
- 1
A company has two VMware Cloud on AWS SDDCs in the same AWS region and wants to enable high-speed, low-latency communication between them without traffic leaving the AWS backbone. They also want to connect a native AWS VPC containing analytics tools to both SDDCs. Which VMware Cloud on AWS feature should be used to create this network topology?
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Correct answer: C
VMware Transit Connect is designed for this exact use case. It leverages a VMware-managed AWS Transit Gateway to create a hub-and-spoke topology. By adding both SDDCs and the native AWS VPC to an SDDC Group, all members can communicate with each other over the high-bandwidth, low-latency AWS backbone without complex peering or VPN configurations.
- 2
Case Study:
'Innovate Corp', a software development company, utilizes VMware Cloud on AWS for its CI/CD pipeline. They have a 4-host i3.metal cluster. Recently, developers reported that application build times have significantly increased. A vRealize Operations Cloud analysis reveals sustained high CPU ready time and memory contention across the cluster, especially when multiple build jobs run concurrently. The current Elastic DRS policy is set to 'Optimize for Lowest Cost'.
The operations team needs to resolve the performance issue while still being mindful of costs. The performance degradation is impacting development velocity, and a solution is needed urgently. The team has observed that performance is acceptable when fewer than three build jobs are active, but severely degrades with four or more.
What is the most appropriate immediate action to resolve the performance degradation?
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Correct answer: B
The 'Optimize for Lowest Cost' policy allows high resource utilization before scaling out, which is causing the contention. Changing the policy to 'Optimize for Best Performance' will lower the utilization thresholds for scale-out. This will cause Elastic DRS to automatically add a new host much sooner when contention begins, resolving the performance issue while still leveraging the platform's automation to scale back down when the load decreases.
- 3
A customer is using Amazon FSx for NetApp ONTAP to provide NFS datastores to their VMware Cloud on AWS SDDC. Which two statements accurately describe the networking requirements and characteristics of this integration? (Select TWO)
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Correct answer: A, B
For optimal performance and low latency, the FSx for ONTAP file system must reside in the same AZ as the ESXi hosts that will mount the datastores. This ensures traffic does not have to cross AZ boundaries, which would add latency.
Communication between the ESXi hosts and the FSx for ONTAP endpoints occurs over the connected VPC's network. Therefore, an AWS Security Group must be created and applied to the FSx endpoints that explicitly allows inbound NFS traffic (TCP/UDP port 2049) from the source CIDR of the SDDC.
- 4
An administrator is creating a content library in their VMware Cloud on AWS SDDC. They want to ensure that VM templates stored in this library are automatically synchronized with their on-premises data center's content library. What type of content library must be created in the SDDC?
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Correct answer: C
To achieve this, the on-premises content library should be 'Published'. Then, in the VMware Cloud on AWS SDDC, the administrator must create a 'Subscribed' content library that points to the URL of the on-premises published library. This will automatically synchronize the content from on-premises to the cloud.
- 5
A new SDDC has been deployed, and the administrator needs to create the first logical network for application workloads. Which component within the VMC Console or vSphere Client is used to perform this action?
flowchart TD A[Administrator] --> B{VMC Console}; B --> C[Networking & Security Tab]; C --> D[Segments]; D --> E[Add Segment]; E --> F((New Logical Network));Show answer details
Correct answer: B
The 'Networking & Security' tab in the VMware Cloud Console provides the interface to the underlying NSX Manager for the SDDC. From here, an administrator can create and manage network segments, configure firewall rules, VPNs, and other networking constructs.
- 6
A financial services firm is migrating a legacy monolithic application to VMware Cloud on AWS. The application has high inter-VM latency sensitivity. During the planning phase, the architect needs to ensure that specific VMs within the application tier remain on the same physical host to minimize network latency. Which vSphere feature should be configured in the SDDC to achieve this requirement?
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Correct answer: C
A VM-VM affinity rule (also known as an intra-VM affinity rule) instructs DRS to keep the specified virtual machines together on the same ESXi host. This is the correct solution to minimize network latency between these VMs by ensuring they use the virtual switch on a single host for communication.
- 7
A retail company is using vRealize Network Insight Cloud to analyze traffic flows before migrating their e-commerce platform to VMware Cloud on AWS. The goal is to create a micro-segmentation strategy. After a week of data collection, the security team needs to identify all traffic flows to and from the production database servers that are using unencrypted protocols. Which feature within vRealize Network Insight Cloud is best suited for this specific task?
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Correct answer: C
Flow Analytics allows for powerful, plain-language search queries to filter and analyze network flows. The security team can construct a query such as 'flows where destination VM is 'db-server' and protocol is not 'HTTPS' or 'SSH'' to precisely identify unencrypted traffic, which is essential for defining micro-segmentation rules.
- 8
During a routine audit, an administrator discovers that several development VMs in a VMware Cloud on AWS SDDC have been configured with a storage policy providing RAID-6 (Erasure Coding), which is consuming more capacity than necessary for a non-production environment. The administrator needs to create and apply a new, more space-efficient storage policy for these VMs. Which TWO settings would be appropriate for a space-efficient policy in a multi-host cluster? (Select TWO)
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Correct answer: A, B
Setting Failures to tolerate (FTT) to 1 provides protection against a single host or disk failure, which is typically sufficient for development environments. It requires less capacity than FTT=2.
For FTT=1, RAID-1 (Mirroring) is a valid and common choice. It consumes 2x the space of the VM data but is generally more performant for writes than RAID-5. In the context of VMC, RAID-1 is the standard for FTT=1.
- 9
A university is designing a VMware Cloud on AWS solution for a new virtual computer lab. The primary requirement is to minimize costs, as usage will be highly variable, with peaks during final exams and very low usage during summer break. The solution must automatically scale the cluster size based on memory utilization to avoid paying for idle hosts. Which Elastic DRS policy should be configured?
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Correct answer: B
The 'Optimize for Lowest Cost' policy is designed specifically for this use case. It allows cluster utilization to run at higher levels before scaling out and scales in more aggressively when resources are freed up. It makes scaling decisions based on CPU, memory, and storage utilization to maintain the smallest possible cluster that can support the workload, thereby minimizing cost.
- 10
True or False: When using VMware HCX Replication Assisted vMotion (RAV), a complete switchover to the destination site can be scheduled for a future maintenance window, minimizing the downtime required during the final cutover.
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Correct answer: A
This statement is true. RAV combines the benefits of bulk migration (parallel replication) and vMotion (zero downtime switchover). The data is replicated in the background, and the final delta synchronization and switchover, which is a vMotion operation, can be scheduled to occur at a specific time. This minimizes the performance impact and downtime during the cutover window.
