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E20-920 Real Exam Questions

Cloud Services Expert Exam for Cloud Architects

108 questions available · Page 1 of 11

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Question 1 Single choice

A large IT organization has committed to transition to ITaaS.

What changes would need to happen in the IT organization to adopt this model?

  1. A

    IT organization would move from a strategic business partner to a cost center view

  2. B

    All the products and services would be delivered by the lines of business (LOBs)

  3. C

    New service related roles and responsibilities would emerge to support the model

  4. D

    Business users would acquire services that meet their needs quickly only through IT

Show answer and explanation

Correct answer: C

Question 2 Single choice

An IT organization has hired you as a cloud architect to assist them in planning for cloud services. Your first goal is to help the IT organization categorize existing services against service characteristics. You have provided a table that shows common service characteristics and their attributes for considerations, benefits, and trade-offs.

The following attributes from the table have been identified:

Consideration: bundling services increases complexity
Benefit: replaceable components, improved recovery from failure Trade off: very finite capability

What characteristics correspond to the identified attributes?

  1. A

    Discoverable, Composable, and Idempotent

  2. B

    Discoverable, Reusable, and Autonomy

  3. C

    Composable, Loosely Coupled, and Autonomy

  4. D

    Idempotent, Loosely Coupled, and Reusable

Show answer and explanation

Correct answer: C

Question 3 Single choice

A line of business (LOB) has been using a public cloud and is seeking services from the internal IT department. The LOB has requested an SLA for each service.

Why would the LOB make this request?

  1. A

    Need for a clear description of services, capabilities, key performance indicators, support responsibilities and warranties

  2. B

    Need to understand what template is included with the service, the catalog entry for the service, and the associated dependencies and policies

  3. C

    Need to understand the availability, throughput, frequency, and response time capabilities for the underlying infrastructure components

  4. D

    Need for a clear description of terms and conditions for using the services of the IT cloud before actually using the services

Show answer and explanation

Correct answer: A

Question 4 Single choice

In a hypothetical future scenario, a small toy company wants to create a few small gifts for employees who have performed well throughout the year. The gifts will be different every year and will change color depending on the stock price and social media sentiment of the company. The company wants to manufacture these gifts in-house.

What emerging 3rd Platform technologies enable the desired capabilities?

  1. A

    Big data analytics, Internet of Things, and sensor networks

  2. B

    Sensor networks, big data analytics, and augmented humans

  3. C

    Internet Of Things, sensor networks, and maker machines

  4. D

    Internet of Things, maker machines, and big data analytics

Show answer and explanation

Correct answer: C

Question 5 Single choice

Chargeback models are being evaluated by a healthcare provider. Their requirements are:
-Simple to measure
-Operational costs to be amortized over a defined period
-Operational costs to be divided between all service consumers

Which chargeback model satisfies these requirements?

  1. A

    Subscription-by time

  2. B

    Pre-Pay

  3. C

    Fixed-cost

  4. D

    Pay-as-you-grow

Show answer and explanation

Correct answer: A

Question 6 Single choice

An IT organization has built cloud services and needs to decide on a chargeback model. Considering the existing budget policy in their company, the financial controllers in the lines of business (LOBs) prefer consistent usage and billing patterns. Additionally, they require that service consumption does not exceed planned usage.

Which chargeback model best fits this scenario?

  1. A

    Fixed cost and guaranteed resources with threshold limits for usage

  2. B

    Both guaranteed and variable resources allowing for overuse

  3. C

    Variable resources that allows flexibility for LOBs, with threshold limits for usage

  4. D

    Pay-as-you-use capability that allows IT to maximize utilization of resources.

Show answer and explanation

Correct answer: D

Question 7 Single choice

In the evolution of converged infrastructure, what are Turn-Key Clouds?

  1. A

    Engineered systems designed to deliver discreet components in a predictable manner with a single personality

  2. B

    Single-personality infrastructure for customers that lack the expertise in house to deploy and manage Converged Systems

  3. C

    Factory fabricated systems that offer a complete cloud with multiple personas on top of common hardware

  4. D

    Multi-persona factory fabricated systems with integrated cloud deployment models that are able to scale storage and compute independently

Show answer and explanation

Correct answer: C

Question 8 Single choice

An organization is categorizing their existing services against service characteristics to determine how ready each one might be for the catalog. Part of this effort involves looking at the following three attributes
for each service characteristic:
considerations, benefits, and tradeoffs.

What attributes correspond to the following characteristics: Loosely Coupled, Idempotent, and Service Contract?

  1. A

    Consideration: late or dynamic binding of services Benefit: development and implementation cost reduction Tradeoff: complexity grows as number of services increases

  2. B

    Consideration: late or dynamic binding of services Benefit: improves reliability and scale Tradeoff: high degree of cooperation and agreement of design standards and conventions

  3. C

    Consideration: standardized service contracts and metadata definitions Benefit: improves reliability and scale Tradeoff: complexity grows as number of services increases

  4. D

    Consideration: standardized service contracts and metadata definitions Benefit: development and implementation cost reduction Tradeoff: high degree of cooperation and agreement of design standards and conventions

Show answer and explanation

Correct answer: B

Question 9 Single choice

A company wants to deploy services in a new cloud infrastructure. A developer is helping the company design these services and realizes that the company is having trouble because of manual, legacy processes.

How can the organization address the legacy processes?

  1. A

    Hire a service manager to implement orchestration workflows

  2. B

    Establish a DevOps team and adopt agile development methods

  3. C

    Establish a Service Governance Board and change the legacy processes

  4. D

    Hire a cloud automation engineer to implement orchestration workflows

Show answer and explanation

Correct answer: C

Question 10 Single choice

In a hypothetical future scenario, a security company has deployed a large fleet of surveillance drones to observe customer facilities. Audio and visual as well as radio spectrum and infrared data are transmitted back to the security company for processing. The data is run through multiple virtual assistances and expert systems to detect and tag anomalies and potential threats in the data streams before passing team along to human security personnel.

What emerging 3 rd Platform technologies would enable the desired capabilities?

  1. A

    Big data analytics, augmented humans, and robotics

  2. B

    Robotics, machine learning, and big data analytics

  3. C

    Augmented humans, robotics, and machine learning

  4. D

    Machine learning, big data analytics, and augmented humans

Show answer and explanation

Correct answer: B