Question

Question 1Which of the following statements is true? -In order to lease cloud-based IT resources, a

cloud consumer’s up-front investment costs must increase when compared to the up-front costs required to purchase the same IT resources as part of an on-premise environment.

-A required characteristic of on-premise environments is that they are resilient so as to provide high availability and reliability. This allows an on-premise SaaS product to be widely accessible by multiple cloud service consumers.

– When leasing IT resources provided by a public cloud, cloud consumers are required to pay only for the amount of actual usage.

None of the above

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Question 2

You need to calculate the estimated future availability of a cloud-based IT resource. You determine that only one possible event can occur for the cloud-based IT resource to become unavailable. As a result, you use the following formula to determine a percentage-based availability rating: 100 – ( ( __________________ x downtime in hours ) / __________________ ) x 100

probability event does not occur, measurement period in hours

probability event occurs, measurement period in hours

probability event occurs, uptime in hours

probability event does not occur, uptime in hours

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Question 3

When horizontally scaling, the allocation of resources is referred to as __________________ and the releasing of resources is referred to as __________________.

scaling up, scaling down

scaling down, scaling up

scaling in, scaling out

scaling out, scaling in

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Question 4

A cloud service consumer owned by Cloud Consumer A (an organization) accesses a cloud service offered by public Cloud A. Based on this, which of the following statements are true? (Select all that apply)

Cloud Consumer A has its own organizational boundary.

Cloud A has its own organizational boundary.

Cloud Consumer A extends its trust boundary to encompass the organizational boundary of Cloud A.

Cloud A extends its organizational boundary to encompass Cloud Consumer A.

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Question 5

An organization will often have existing IT resources that are already paid for and operational. The prior investment that has been made in these on-premise IT resources is referred to as:

on-going costs

integration costs

sunk costs

locked-in costs

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Question 6

An attacker gains unauthorized access to a virtual server in a public cloud. Which of the following statements about the attack can be true?

The attacker is an anonymous, non-trusted cloud service consumer.

The attacker is a cloud service consumer that resides outside of the cloud, in an on-premise environment.

The attacker is a cloud service consumer that resides in a different cloud.

All of the above.

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Question 7

Which of the following statements accurately describes the usage of the state management database mechanism?

A cloud service is participating in a long-running runtime activity and therefore temporarily writes state data to a state management database while it remains idle.

A cloud service is being accessed by a cloud service consumer. While processing the cloud service consumer’s request, the cloud service off-loads data received from the cloud service consumer onto the message layer in order to maintain failover support. As a result, the current state is maintained by the state management database mechanism.

A cloud service accesses a virtual server hosted by the same cloud. The virtual server accesses a replicated database to ensure that data from the cloud service remains synchronized with data in a central database. As a result, the current state is maintained by the state management database mechanism.

All of the above.

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Question 8

A cloud provider redundantly implements a cloud service deployment to increase its availability and reliability. Which of the following cloud mechanisms is likely to be used for this purpose?

multi-device broker

failover system

automated scaling listener

All of the above

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Question 9

Which of the following cloud mechanisms helps enable the multitenancy characteristic of clouds?

automated scaling listener

state management database

virtual server

ready-made environment

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Question 10

Measured usage represents the ability of a cloud platform to keep track of the usage of its IT resources by cloud consumers. The __________________ mechanism can be used for the collection of billing information so that the cloud provider can charge the cloud consumer only for the IT resources actually used.

resource replication

pay-per-use monitor

automated scaling listener

multi-device broker

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Question 11

Name the common types of specialized workload distribution functions that can be performed by load balancers.

synchronous distribution

content-aware distribution

workload prioritization

asymmetric distribution

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Question 12

Which of the following mechanisms is considered a specialized variation of the cloud usage monitor mechanism?

load balancer

resource replication

resource clustering

All of the above

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Question 13

The _______________ architecture results in a system that provides alternative paths to individual IT resources.

Rapid Provisioning

Resource Reservation

Multipath Resource Access

None of the above

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Question 14

The logical network perimeter mechanism can be used to control the bandwidth made available to isolated IT resources.

True

False

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Question 15

The _______________ mechanism is an infrastructure-level mechanism that represents any program capable of collecting IT resource usage data, whereas the _______________ is a specialized variation of the _______________ that is dedicated to collecting usage data for auditing purposes.

cloud usage monitor, pay-per-use monitor, cloud usage monitor

automated scaling listener, load balancer, automated scaling listener

cloud usage monitor, audit monitor, cloud usage monitor

automated scaling listener, audit monitor, automated scaling listener

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Question 16

We created a system comprised of primary and secondary storage devices, whereby the primary storage device is responsible for hosting cloud consumer data and replicating it to a secondary storage device that keeps a copy of the data and steps in to serve the cloud consumer requests in the event that the primary storage device becomes unavailable. Which architecture have we created to establish this system?

Elastic Disk Provisioning

Intra-Storage Device Vertical Tiering

Storage Workload Management

None of the above

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Question 17

Which of the following statements correctly describes the role of the pay-per-use monitor mechanism as part of the Elastic Disk Provisioning cloud architecture?

The pay-per-use monitor tracks and collects fixed-disk storage allocation data so that the cloud consumer is billed for the fixed amount of storage provisioned, not for what is consumed.

The pay-per-use monitor tracks and collects billing-related usage data as it corresponds to the actual amount of storage provisioned and consumed by the cloud consumer.

The pay-per-use monitor tracks the cloud consumer’s on-premise storage capacity, so that the cloud provider is notified of the capacity for which it can elastically provision the disks.

None of the above. The pay-per-use monitor is not associated with the Elastic Disk Provisioning architecture.

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Question 18

Which of the following statements describes the system established by the Cross-Storage Device Vertical Data Tiering architecture?

The system can horizontally scale cloud storage device workloads via the use of live LUN migration and the automated scaling listener.

The system can survive bandwidth and data processing power constraints, and it enables vertical scaling between storage devices with different capacities.

The system allows LUNs to be implemented across different disk types, so that each disk can still be identified as a single storage device, but is transparently and vertically scaled.

None of the above.

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Question 19

The Hypervisor Clustering architecture relies on the use of heartbeat messages to determine whether a given hypervisor within a cluster is active and available.

True

False

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Question 20

Which of the following statements correctly describes the Cloud Balancing architecture?

A cloud architecture in which IT resources are load-balanced across multiple clouds.

A cloud architecture in which IT resources are load-balanced within a single cloud.

A cloud architecture in which IT resources are scaled in from a cloud to an on-premise environment.

A cloud architecture in which IT resources are scaled out from an on-premise environment to a cloud.

 

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