E20-920 Online Practice Questions and Answers

A company that provides cloud services has operation processes in place for service delivery. The following information is desired:

Measure consumption against available resources Track usage thresholds Produce usage trending reports

What type of process would provide this information?

A. Incident Management

B. Capacity Management

C. Service Level Management

D. Availability Management

In addition to the service template, what other information do you need to create a standardized service offering?

A. Rules, policies, and constraints

B. Policies, orchestration, and rules

C. Limits, rules, and constraints

D. Constraints, rules, and orchestration

A bricks-and-mortar electronics retailer wants to increase sales by selling products through an online portal in addition stores. To achieve this, they have assembled a team of software developers to build the online portal and the selling capability.

Which cloud service model should they consider to quickly develop this solution?

A. PaaS

B. IaaS

C. SaaS

D. BaaS

A service provider is preparing to offer PaaS. One of the challenges they are facing is incorporating the cost of databases. What should you recommend as the best way to include this in the costing model?

A. Treat database licensing as a variable cost in the model

B. Treat database licensing as a fixed cost in the model

C. Treat database licensing as a hybrid cost in the model

D. Ignore database costs in the model

A company is considering transitioning to ITaaS. During an exploratory discussion, a potential stakeholder asks for clarification on the key difference(s) between traditional IT services and a cloud services.

What is the correct response?

A. A traditional IT service is often provided without accounting for direct cost or business value to the lines of business; a cloud service is packaged to provide business value to the lines of business and support direct costing through showbacks.

B. A traditional IT service views the physical network architecture as a manually-scaled system; a cloud service relies on an underlying layer of scalable network architecture.

C. A cloud service is any service that uses one of the five tenets of cloud computing; a traditional IT service uses guidelines from a more traditional computing model.

D. Both traditional IT services and cloud services are capable of driving value for the lines of business through service catalogs and degrees of automation; cloud services make use of cloud tenets and are designed to scale vertically.

An IT department is using a number of tools to automate the expansion and contraction of the cloud resource pools. Which cloud feature are they implementing?

A. Elasticity

B. Monitoring

C. Trust zones

D. Chargeback

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

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

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

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

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

The CTO of a company has engaged your services to transform the IT department to run ono pre-assembled infrastructure. As the internal team lacks experience in this field, they are searching for simple infrastructure solution which IT can place in a single cloud layer on.

Which infrastructure solution would you direct them towards?

A. Converged infrastructure blocks

B. Turn-key racks

C. Application system racks

D. Web-scale appliances

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: Reusable and Composable?

A. Consideration: service usually has to be agnostic to context Tradeoff: complexity grows as number of services increases

B. Consideration: late or dynamic binding of services Benefit: requires collaborative service design

C. Benefit: can be human readable metadata Tradeoff: improved recovery from failure

D. Benefit: improves reliability and scale TradeOff: high degree of cooperation and agreement of design standards and conventions

A company plans to offer CRM, CDN, and ERP services. According to NIST, which services categories correspond to these offerings?

A. CRM: PaaS; CDN: PaaS; ERP: IaaS

B. CRM: IaaS; CDN: IaaS; ERP: SaaS

C. CRM: IaaS; CDN: SaaS; ERP: PaaS

D. CRM: SaaS; CDN: IaaS; ERP: SaaS

The principles of Autonomy, Abstraction, Discoverability, Composability, and Reusability are all principles of what?

A. Application profiling

B. Service characteristics

C. Delivery models

D. Service inventory

An enterprise is beginning its journey to ITaaS. An assessment of their current environment has already been completed. It has been determined that a change made -- even to a small part of the infrastructure -- requires the entire monolith to be rebuilt and deployed . As a cloud architect, what would you use to redesign the monolith to resolve this issue?

A. Highly modular, component based suite of services

B. Tightly coupled, services architectural style

C. Tightly integrated, open architectural style

D. Highly modular, monolithic architectural style

In a hypothetical future scenario, a CEO wants real-time market sentiment and performance reports displayed on smart watches and neural-optical data implants of all C-level and E-level corporate employees. The CEO also wants the corporation's intelligent lighting system to change color depending on current sentiment and performance data. Currently the corporation has no real-time market reporting capability.

What emerging 3rd Platform technologies enable the desired capabilities?

A. Big data analytics, augmented humans, and Internet of Things

B. Augmented humans, Internet of Things, and sensor networks

C. Internet of Things, sensor networks, and big data analytics

D. Sensor networks, big data analytics, and augmented humans

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 standardized service contracts and metadata definitions -Benefit: development and implementation cost reduction -Tradeoff: very finite capability

What characteristics correspond to the identified attributes?

A. Loosely Coupled, Composable, and Autonomy

B. Discoverable, Reusable, and Autonomy

C. Idempotent, Composable, and Discoverable

D. Idempotent, Loosely Coupled, and Reusable

When should risk be mitigated as part of the governance process?

A. Before deploying applications in the cloud

B. During the initial planning stage

C. After user acceptance testing is completed

D. During the strategy phase of the lifecycle