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VCAP-DCV Design 2024
3V0-21.23
VMware vSphere 8.x Advanced Design Questions and Answers

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Questions # 21:

What is an example of an availability design quality?

Options:

A vSphere cluster is configured to support an N + 1 level of redundancy.

A vSphere cluster is configured to support a maximum tolerated downtime of one hour.

A vSphere cluster is configured to stage patches on ESXi hosts before applying them.

A vSphere cluster is configured to use a dedicated network adapter for vMotion traffic.

Answer

Explanation

Availability design quality refers to the capacity of a system or infrastructure to remain operational, minimizing downtime, and ensuring continuous service delivery, especially in the event of a failure. The concept of N + 1 redundancy ensures that if one component fails (such as a host or a power supply), there is always an additional, spare component available to take over the workload, maintaining the system's availability.

N + 1 redundancy in a vSphere cluster means that the cluster has enough resources to tolerate the failure of one host without affecting the availability of the workloads. This setup provides high availability and resilience in the event of a host failure.

Questions # 22:

Following a review of security requirements, an architect has confirmed the following requirements:

REQ001- A clustered firewall solution must be placed at the perimeter of the hosting platform, and all ingress and egress network traffic will route via this device.

REQ002- A distributed firewall solution must secure traffic for all virtualized workloads.

REQ003- All virtualized workload, hypervisor, firewall and any management component system events must be monitored by security administrators.

REQ004- The hosting platforms security information and event management (SIEM) system must be scalable to 20,000 events per second.

REQ005- The hosting platforms storage must be configured with data-at-rest encryption.

REQ006- The hosting platform limits access to authorized users.

Which three requirements would be classified as technical (formerly non-functional) requirements? (Choose three.)

Options:

A clustered firewall solution must be placed at the perimeter of the hosting platform, and all ingress and egress network traffic will route via this device.

A distributed firewall solution must secure traffic for all virtualized workloads.

The hosting platforms security information and event management (SIEM) system must be scalable to 20,000 events per second.

The hosting platforms storage must be configured with data-at-rest encryption.

The hosting platform limits access to authorized users.

All virtualized workload, hypervisor, firewall and any management component system events must be monitored by security administrators.

Answer

C, D, F

Questions # 23:

An architect will be updating an existing vSphere data center design.

The following information has been provided:

The new design must carry over existing VLANs for workloads.

The networking for storage must not share the data path with workload traffic.

The new design must be able to add additional VLANS.

The new design must reduce management overhead.

The new replacement servers have two 100 GB network cards.

Which design will meet the requirements for existing workload networks and allow scaling of additional networks?

Options:

One vSphere standard switch (VSS) configurationWorkload and storage traffic on separate uplinks

Two vSphere distributed switches (VDS)Each VDS uses one uplink as active and the other uplink as passiveExisting and new workload traffic on one VDS and storage traffic on the other VDS

One vSphere distributed switch (VDS) configurationThe VDS uses aggregated uplinksWorkload and storage traffic on the aggregated uplinks

Answer

Explanation

The customer's requirements include the following:

Carry over existing VLANs for workloads: This can be easily achieved with a vSphere distributed switch (VDS), as it supports the configuration of VLANs and ensures that they can be applied to multiple ESXi hosts across the data center.

Networking for storage must not share the data path with workload traffic: By using aggregated uplinks in the VDS configuration, the architect can easily separate workload traffic and storage traffic by using different uplinks or VLANs. Aggregated uplinks ensure that there is sufficient bandwidth for both workloads and storage, while keeping them logically separated in terms of traffic management.

Add additional VLANs: A VDS supports the dynamic addition of VLANs. New VLANs can be added and managed centrally, reducing the complexity and management overhead when scaling the network.

Reduce management overhead: The use of a single VDS significantly reduces management complexity compared to managing multiple vSphere standard switches (VSS). With VDS, network configuration and management are centralized and simplified across all ESXi hosts.

Given that the new replacement servers have two 100 GB network cards, the aggregated uplinks in a VDS configuration will provide the required network capacity while ensuring that traffic is properly segmented and scalable.

Questions # 24:

An architect is designing a new vSphere solution. The customer has provided the following information to describe how the solution will be used:

The solution will host development workloads

Administrators will utilize snapshots frequently, with snapshots sometimes retained for extended periods of time

Some of the workloads are sensitive to latency on the I/O of the storage

Storage for the workloads will be provided by a physical array

The physical array does not include a storage provider

All workloads must be hosted on the solution, there are no other vSphere environments available for use

Which design decision should the architect make to meet the needs of the customer?

Options:

Use a storage array which supports VMware vSphere APIs: Array Integration (VAAI) to configure VMFS datastores for the workloads

On workloads which will use snapshots, set the latency-sensitivity=high advanced setting

Use a storage array which supports vSphere Storage APIs - Storage Awareness (VASA) to configure Virtual Volumes (vVols) datastores for the workloads

On workloads which are sensitive to latency, set the latency-sensitivity=high advanced setting

Answer

Questions # 25:

An architect is tasked with designing a new workload domain in an existing VMware Cloud Foundation environment. The customer requirement is to physically separate the NSX host overlay network traffic from other management networks flows.

Which design decision should the architect make to meet this requirement?

Options:

Deploy the new workload domain with NSX Federation.

Deploy the new workload domain using multiple physical adapters.

Deploy the new workload domain using SDDC Manager.

Deploy the new workload domain using API.

Answer

Explanation

To physically separate the NSX host overlay network traffic from other management network flows, the architect should use multiple physical adapters. This approach allows for the segmentation of different types of network traffic by assigning them to separate physical adapters, ensuring that the overlay network traffic used by NSX does not interfere with management traffic. This helps in maintaining optimal performance and security by isolating these network types at the physical level.

Questions # 26:

An architect is reviewing the information provided by a customer for a new vSphere solution design. The customer has stated that some of the virtual machines (VMs) that will be hosted on the new solution handle credit card information from their users as part of an online payment application, and that some of the information will need to be stored temporarily to allow transactions to be completed. Therefore, the solution must be designed to be able to mask or hash the stored information as they will need to show compliance against common industry standards that contain references to the requirements for handling sensitive information.

Which design quality is being requested by the customer?

Options:

Manageability

Performance

Security

Recoverability

Answer

Explanation

The customer is requesting that the solution meet security requirements, specifically around handling sensitive information (such as credit card data). The need to mask or hash stored information for compliance with industry standards (e.g., PCI-DSS) is a security-focused design requirement. This ensures that sensitive data is protected and compliant with regulations, making security the primary design quality being requested.

Questions # 27:

An architect is tasked with designing the implementation of the VMware Validated Solutions in an existing VMware Cloud Foundation environment that includes:

Intelligent Operations Management

Intelligent Logging and Analytics

Which two design elements must the architect include in the design to be able to accomplish the deployment of these two solutions? (Choose two.)