E20-020 Online Practice Questions and Answers

What is an advantage of using a brownfield infrastructure?

A. Avoids upgrades to existing infrastructures

B. Promotes staff familiarity with technology

C. Enables migration to new technologies

D. Avoids older and less efficient processes

A cloud architect has determined that the cloud management infrastructure requires an authentication and PKI environment. In addition, each tenant will require its own authentication and PKI environment. What describes these separate environments in a cloud design document?

A. Availability zones

B. Fault domains

C. Multi-tenancy

D. Trust zones

Which infrastructure does VCE Vblock represent?

A. Brownfield

B. Traditional

C. Hyper-converged

D. Converged

Which set of general criteria should the cloud architect consider when selecting a cloud management platform?

A. Multi-tenancy, API version, and cross-platform awareness

B. Hypervisor, hybrid cloud capabilities, and authentication

C. Geographic region, networked storage, and Internet access

D. Network storage, operating system drivers, and update services

An organization wants to provide backup services in the cloud. They have no backup infrastructure in place. The organization has concerns about losing data if a site disaster occurs. They want to maintain control of backup data placement because of data privacy laws. Finally, they want to maintain at least one month's worth of backups onsite.

Which backup solution will meet these requirements?

A. Local backup

B. Remote backups

C. Local backup with replication

D. Local backups with cloud gateway

An organization wants to build a pilot cloud for developers to learn and practice cloud- native application design.

The organization expects that the cloud will host many tiny instances that will use few resources. What accurately describes the optimal CPU and memory configuration?

A. High CPU core count and high memory capacity

B. High CPU core count and moderate memory capacity

C. Moderate CPU core count and moderate memory capacity

D. Moderate CPU core count and high memory capacity

After developing prototype applications in the public cloud, developers determined that they want softwaredefined network functionality. Which ability will this requirement provide for the developers?

A. Programmatically provision an IPsec VPN tunnel between the public and private clouds

B. Programmatically migrate layer-3 access from aggregate to access switches

C. Programmatically control physical core network topologies

D. Programmatically provision physical network segments and services

A cloud architect is designing a private cloud for an organization. The organization has no existing backup infrastructure. They want to offer consumers the ability to backup virtual machine instances using image-based backups.

What should the cloud architect look for when selecting a backup application for this environment?

A. Virtual machine hardware is on the backup application vendor's compatibility list

B. Hypervisor servers' hardware is on the backup application vendor's compatibility list

C. Backup application can be integrated with the selected CMP components

D. Backup application supports a cloud gateway for accessing the cloud-based virtual machines

A cloud architect has included a monitoring application in a cloud design to ensure infrastructure performance meets agreed-upon service levels. The application resides on a virtual appliance. The application vendor provides guidance for sizing the appliance.

What will be part of the sizing calculations for the virtual appliance storage?

A. Number of targetsMessage bus subscribers Data deduplication policies

B. Number of segments Number of metrics Data deduplicaiton policies

C. Number of targetsNumber of metrics Data retention policies

D. Message bus subscribers Number of users Data retention policies

An architect is designing the compute resource pools for a cloud. As part of the deliverables, the architect has included the standard specifications for the physical servers to be used. The organization has provided estimates for future growth but has concerns about whether these estimates are accurate. What should be included in the design to address these concerns?

A. A monitoring application and procedures for pool expansion

B. A chargeback application and orchestration workflows to auto-scale pools

C. A metering application and orchestration workflows to auto-scale pools

D. A configuration management application and procedures for pool expansion