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Free VMware VDCD510 Exam Questions (page: 11)

Page 7 of 36
PDF with 279 Questions

You are designing a VMware HA platform based on vSphere converged network hardware­ and softwarebased iSCSI storage. Which of the following is true?

  1. vSphere 5 can provide protection for workloads in this design, using datastore heartbeats and management networks.
  2. vSphere 5 datastore heartbeats may not provide additional protection in this design if a physical card containing the management and storage networks fails.

Answer(s): B

Explanation:

VMware HA will check storage heartbeats or a lock file (NFS v3) on datastores in the event that the management network is impacted. By using a CNA and slicing the 10 GB up into smaller chunks, it could be possible perspective to have a smaller number of physical NICs but with multiple logical networks defined. As a CNA can define network and storage configuration, it could be a major outage if the NIC failed, and this would remove the extra protection the network storage heartbeats provide.
Chapter 4, The Importance of vMotion, VMware HA, and Fault Tolerance



DRS and vMotion can help increase consolidation ratios.

  1. True
  2. False

Answer(s): A

Explanation:

DRS can be configured for fully automated mode and can review performance statistics on hosts. Assuming that all workloads will not have the same peak period of time, you can load balance workloads across the hosts and reuse resources in different scenarios through the working day to increase consolidation ratios. Chapter 4, The Importance of vMotion, VMware HA, and Fault Tolerance



A guest VM should be sized using . (Choose two)

  1. minimum applications specifications
  2. initial workload
  3. anticipated workloads

Answer(s): A,C

Explanation:

Allocated resources are shown in the guest operating system and are not guaranteed. The amount depends on the unreserved resources available at the time. Assuming no functionality issues, you can configure a production application to be guaranteed its projected workload, and the system should deliver. Without a reservation, there is potential for a performance impact if there is contention. Chapter 5, Virtual Machines--From the Design Perspective



You are a VMware architect designing a solution for a client with an existing site who wishes to build a disaster recovery site. The operations manager has presented some information in the kickoff meeting. The company has 1,000 VMs, and the average VM has the following specs:
18 GB memory
2 vCPU
100 GB
The company already has an existing vendor relationship with a hardware vendor and would like to keep the existing storage solution roadmap in place. The following requirements are stated:
RTO: 15 minutes RPO: 15 minutes Uptime: 99.99% The existing vendor relationship is a .

  1. risk to the project
  2. constraint
  3. vision

Answer(s): B

Explanation:

An assumption could impact your design. It is good to ensure that project team and wider business are aware of assumptions and that they are agreed and validated as part of the design consideration process.
Chapter 2, Gathering Information and Spotting the Gaps



The RTO and RPO objectives can be achieved using VMware HA.

  1. True
  2. False

Answer(s): A

Explanation:

The majority of applications do not require 100% uptime. VMware HA can be configured to restart workloads within a few seconds. The software can be configured to produce a fully automated DR and BC system. It is, however, not completely application aware and will depend on application requirements to be proved useful. From a VMware admin point of view, VMware HA is very important and worth exploring in the design process. Chapter 4, The Importance of vMotion, VMware HA, and Fault Tolerance



You are a VMware consultant working at a small managed services company. The company has won a contract with a large company, Company A, to host its test and dev platform, with the chance on annual review to host the production platform. Although you have been engaged early in the project due to business requirements, the budget for the project has already been combined with that for another DR project for another company, Company B. The thought process for this decision is that, if needed, the test systems from Company A have a lower requirement in the unlikely event of Company B having a DR event.
All the items have been bought and are to be delivered. Your role is to take the equipment provided and construct, develop, and implement a scalable working vSphere platform. The following requirements are stated:
Company A test machines must be provided with sufficient resources for BAU. Company B systems can be made available with minimum impact to Company A. For Company A, RTO is 7 days, and RPO is 1 month.
For company B, RTO is 1 hour, and RPO is 15 minutes. Using a shared infrastructure in this way is a risk to the project.

  1. True
  2. False

Answer(s): A

Explanation:

The technical design process enables the platform designer to work in a methodical way and with others with similar objectives. A risk is an object that could prevent the delivery of the project requirements.
Chapter 1, The Technical Design Process



You are a VMware consultant working at a small managed-services company that has won a contract with a large Company A to host its test and dev platform, with the chance on annual review to host its production platform. Although you have been engaged early in the project, because of business requirements, the budget for the project has already been combined with another DR project for another Company B. The thought process for this decision is that, if needed, the test systems from Company A have a lower requirement in the unlikely event of Company B having a DR event.
All the items have been bought and are to be delivered. Your role is to take the equipment provided and construct, develop, and implement a scalable working vSphere platform.
The requirements stated are:
Company A test machines must be provided with sufficient resources for BAU. Company B systems must be made available with minimum impact to Company A. The RTO for Company A is seven days, with an RPO of one month. Company B's RTO is 1 hour, and its RPO is 15 minutes. The use of a shared infrastructure used in this way is a constraint to the project.

  1. True
  2. False

Answer(s): A

Explanation:

An item from the current state analysis that would restrict or change a design choice is potentially a constraint. These factors can limit the design and in some cases prevent the realization of the project vision.



You are a VMware consultant who has been hired to take over a mismanaged VMware vSphere 5 platform estate. You are presented with the vCenter administrator password and given the following information.
1. The system has full production support from VMware.
2. The platform has been suffering from performance problems for two weeks.
3. No documentation exists.
Your role is to design and implement a platform that meets the following requirements: R001: Stable for current workloads R002: Supportable by operations staff
Which of the following discovery methods should be used?

  1. Active discovery
  2. Passive discovery

Answer(s): B

Explanation:

There are two types of discovery methods:
Active discovery can run processes which are detrimental and can impact a system, and normally requires an agent. With passive discovery, data is obtained in a non- impactful, non-intrusive manner with no agents. Data such as this normally needs more experience to obtain and interpret/present.



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