显示标签为“VCAP5-DCD”的博文。显示所有博文
显示标签为“VCAP5-DCD”的博文。显示所有博文

2014年7月14日星期一

VMware VCAP5-DCD VCP511, de formation et d'essai

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Code d'Examen: VCAP5-DCD
Nom d'Examen: VMware (VMware Certified Advanced Professional 5 - Data Center Design (VCAP5-DCD))
Questions et réponses: 278 Q&As

Code d'Examen: VCP511
Nom d'Examen: VMware (VMware Certified Professional on vSphere 5 (Private Beta))
Questions et réponses: 288 Q&As

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NO.1 Which of the following is an advantage of a scaled-out architecture?
A. Fewer larger hosts means less hardware.
B. Larger servers come with more bells and whistles, like completely redundant hardware.
C. Smaller hosts translate to less time needed to recover using HA.
D. Larger servers are cheaper.
Answer: C

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Explanation:
In a scaled-out architecture, the cluster is configured with many smaller hosts rather than fewer
large hosts. Because of this, when an ESXi host crashes in a scaled-out cluster, you lose a smaller
percentage of your cluster, which translates to fewer virtual machines crashing, which translates to
faster recovery times.

NO.2 A best practice can change over time.
A. True
B. False
Answer: A

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Explanation:
A best practice is based on experience with delivering a solution. A new product will have limited
best-practice information except for vendor- or vendor-partner-based recommendations. The longer
a technology is used in a community, the more potential success; therefore, best practices can
change over time. Chapter 6, Validation, Thoughts, and Processes

NO.3 The vCenter database is powered off ungracefully, along with a three cluster nodes in a
separate cluster. Will the failed existing ESXi host nodes restart correctly using Auto Deploy?
A. Yes
B. No
Answer: A

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Explanation:
Auto Deploy enables an untrained IT professional to increase capacity while ensuring quality and
consistency within a cluster. However, there is a dependency on the vCenter server and Auto Deploy
server roles at different times. In this case, the ESXi hosts have already booted successfully. This
means that all subsequent reboots will be controlled using configuration from the Auto Deploy
server, not vCenter. If the vCenter database is impacted, the ESXi hosts will automatically restore.
Even in the event of no vCenter availability, hosts will use the last-known copy of a distributed
switch or the configured vSphere switch. Chapter X, Putting it all together

NO.4 Which VMware tools driver is the balloon driver?
A. VMMEMCTL
B. VSS
C. VLance
D. None of the above
Answer: A

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Explanation:
VMMEMCTL is the balloon driver. It is installed on any virtual machine that has VMware tools
installed.

NO.5 A software vendor-provided best practice should be adhered to ___________. (Choose two)
A. where possible, respecting other project requirements
B. at all times because the vendor wrote and designed the software
C. in the absence of other requirements as a guide to configuration
Answer: A,C

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Explanation:
A best practice is based on experience with delivering a solution. A new product will have limited
best-practice information except for vendor- or vendor-partner-based recommendations. The longer
a technology is used in a community, the more potential success; therefore, best practices may
change over time. Chapter 6, Validation, Thoughts, and Processes

NO.6 Which of the following factors should influence the decision of whether to virtualize an
application? (Choose three)
A. Whether it is supported on a virtualization platform
B. Licensing costs in a virtualization platform
C. Compliance considerations (such as inability to share infrastructure due to regulations)
D. Whether the software is custom and has not be widely virtualized in the field
Answer: A,B,C

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Explanation:
Good design should meet the project requirements and consider the properties of assumed
platform design. Protecting data requires that a system be available and manageable, that it have
good performance, and that it be easy to recover and be secure.

NO.7 Storage tiering involves ______________.
A. priority locations to migrate virtual machines
B. grouping storage to be used first
C. categorizing storage by the size of the LUNs
D. categorizing storage based on performance to meet SLAs
Answer: D

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Explanation:
Storage tiering categorizes LUNs by the performance they can provide to enable architects to place
workloads on the appropriate storage tiers to ensure that the workloads are within the SLA
standards.

NO.8 You are working on a virtual guest design for the deployment of a critical business application.
The software vendor has provided you with some projected workloads.
One of the project requirements is to ensure that business application performance is guaranteed.
Which of the following would be the best approach for guest configuration?
A. Configure the virtual guest with a reservation, as specified, as the minimum requirement for the
application to run.
B. Configure the virtual guest with a reservation, as specified, as the projected initial workload
requirement.
Answer: B

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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.

2014年6月2日星期一

Dernières VMware VCP-511 VCP550 VCAP5-DCD examen pratique questions et réponses

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Code d'Examen: VCP-511
Nom d'Examen: VMware (VMware Certified Professional on vSphere 5 (Private Beta))
Questions et réponses: 288 Q&As

Code d'Examen: VCP550
Nom d'Examen: VMware (VMware Certified Professional on vSphere 5)
Questions et réponses: 267 Q&As

Code d'Examen: VCAP5-DCD
Nom d'Examen: VMware (VMware Certified Advanced Professional 5 - Data Center Design (VCAP5-DCD))
Questions et réponses: 279 Q&As

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NO.1 When designing a storage platform, which of the following should be considered as part of
the overall design?
A. Capacity
B. I/O requirements of the applications to be supported
C. Disk latency tolerance
D. Growth rate
E. All of the above
Answer: E

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Explanation:
A storage platform logical design requires in-depth analysis of factors that can affect applications. In
the case of storage, aspects that relate to the physical layer-such as the amount of usable space
requiredfor services; the size, number, and speed of disks; and how fast the data is being
produced-could have asubstantial impact to the storage platform. Chapter 4, Storage Design - The
Logical & Physical Approaches

NO.2 Only a software vendor develops a standard process or configuration.
A. True
B. False
Answer: B

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Explanation:
A best practice is based on experience with delivering a solution.
A new product will have limitedbest-practice information except for vendor- or
vendor-partner-based recommendations.
The longer atechnology is used in a community, the more potential success; therefore, best
practices may berecommended by non-vendor-related people.
It is up to a designer to validate this information rather thanignore it straightaway. Chapter 6,
Validation, Thoughts, and Processes
19. A logical diagram shows vendor-specific information.
A. True
B. False
Answer: B

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Explanation:
A logical diagram shows the high-level components of a design or platform. It may
includedescriptions such as data flow and entity relationships.
However, it does not show specific vendors (such asDell or HP). Chapter 2, Creating the design
20. Which of the following vSphere cluster technologies would meet the application
requirements specified in the high-level design extract for question 2?
A. FT
B. HA
Answer: A

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Explanation:
vSphere HA would need to wait at least 10 seconds before a restart would be possible. Thiswould
not meet requirements. In the event of a restart, it could be possible to be without the application
feeddatabase for about 15 minutes. VMware FT would enable the service to be provided without
additionalredevelopment. Chapter 4, Storage Design - The Logical & Physical Approaches

NO.3 A project requirement _______________
A. must be achieved
B. can be set as aspirational but may never be achieved
Answer: A

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Explanation:
A project requirement is a specific deliverable that the business has said must be provided at
theend of a project.
It must always be achieved. Chapter 4, Storage Design - The Logical & Physical Approaches

NO.4 A(n) _____________ is an item that is taken to be true in the design phases but has not been
tested prior to execution.
A. requirement
B. constraint
C. assumption
D. risk
Answer: C

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

NO.5 Based on the information in the high-level design extract from question 2, what storage
protocol is unsuitable?
A. NFS
B. iSCSI
C. FC
Answer: A

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Explanation:
The requirements state that the application uptime requirements would not be met if using vSphere
HA alone. vSphere HA would invoke a restart of guest virtual machines after at least 10 seconds.
VMware fault tolerance would meet the uptime requirements; a failover would result in zero
downtime of theapplication. This technology can be used only with VMFS; therefore, NFS cannot be
used in this design. Chapter 4, NetWork - Logical and Physical Design to allow applications to flow

NO.6 Storage DRS is enabled by default.
A. True
B. False
Answer: B

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Explanation:
Chapter 4, Storage Design - The Logical & Physical Approaches

NO.7 You are a virtualization consultant working on a DR project. You have proposed a solution that
uses SAN replication technology to replicate production virtual machine files. This meets the cold
standby requirement.
Which of the following could be a design constraint?
A. The hardware currently being used in the datacenter is out of support.
B. The company is undecided about the choice of centralized storage to be used in the enterprise.
C. The company is at the end of year 1 of a 3-year contract for the point-to-point link between Site A
and Site
D. This link is currently 10 MB.
Answer: C

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Explanation:
An item from the current state analysis that would restrict or change a design choice is potentiallya
constraint. Such factors can limit a design and in some cases prevent the realization of a project
vision. Chapter 2, Gathering Information and Spotting the Gaps

NO.8 You are a technical consultant designing a solution for an online retail company. The project
vision is to deploy a hybrid cloud, with the internal team developing the website on internal
infrastructure and migrating production-ready applications to a hosting provider. The project is
expected to ease deployment and require less infrastructure capital expenditure-without lowering
application quality.
Which of the following is a risk to the project?
A. The solution must adhere to ISO 27001.
B. Change control of the hosting vCloud platform is not under full control of the internal business.
C. The hosting provider outsources the platform support to the platform vendor.
D. The applications to be deployed on the production hosts are not fully developed, although a beta
exists.
Answer: B

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Explanation:
The technical design process enables the platform designer to work in a methodical way and
withothers who have similar objectives. A risk is that a project item could potentially prevent the
vision or aspectsof it (requirements) from being created. Chapter 1, The Technical Design Process