EMC E20-018 Online Practice Questions and Exam Preparation

EMC E20-018 Online Questions & Answers

• Question 81:

  You are meeting with the CIO to discuss your VDC design. They question the amount of capital that is being invested in iSCSI adapters. They state that, because of the number of adapters required, it is more cost-effective to purchase 10 Gigabit Ethernet NICs and use the integrated hypervisor software stack.

  What effect will this have on the hypervisors?

  A. Increased CPU load
  B. Increased amount of I/O
  C. Decreased amount of I/O
  D. Decreased CPU load
  A. Increased CPU load

• Question 82:

  Why is existing SAN performance a key consideration when implementing an in-band virtualization component for block storage virtualization?

  A. Host connections fan in to virtualization components
  B. Storage connections fan in to virtualization components
  C. Virtual devices are cache-only devices
  D. Metadata and control are in the data path
  D. Metadata and control are in the data path

• Question 83:

  An organization seeks to solve a business problem by licensing software from a supplier. The supplier contract stipulates that the software will only be supported if it runs on server platforms also provided by that supplier. What is this an example of?

  A. A virtual appliance
  B. A legacy application
  C. Enterprise Application Integration
  D. Vendor lock-in
  D. Vendor lock-in

• Question 84:

  What is the primary mechanism used to secure data between data centers?

  A. IPSec
  B. SSL
  C. TLS
  D. FC-SP
  A. IPSec

• Question 85:

  Which is a valid method for modifying an application environment to support more clients and increased data throughput?

  A. Migrate the application from NL SAS to SAS storage
  B. Migrate the application from SSD to SAS storage
  C. Vertically scale by adding more nodes to support the application
  D. Horizontally scale by increasing system resources on the same number of nodes
  A. Migrate the application from NL SAS to SAS storage

• Question 86:

  A small company has two data centers located 30 km apart. You have been asked to design a VDC in each of the two data centers, using stretched VLANs and native Fibre Channel extension to interconnect the environments. After inquiring with the local service providers, you find that only two strands of dark fiber are available.

  Which distance networking technology is the most appropriate?

  A. CWDM
  B. DWDM
  C. Dark Fiber
  D. MPLS
  A. CWDM

• Question 87:

  When surveying an existing application environment to free up resources, which type of systems should be initially identified?

  A. Systems that can be combined, replaced, or obsoleted
  B. Systems whose data can be comingled
  C. Systems that have minimal GRC or security requirements
  D. Systems that can be migrated easily to a virtual environment
  A. Systems that can be combined, replaced, or obsoleted

• Question 88:

  A company has asked you to develop a framework for assuring trust in the VDC. An assessment methodology is to be part of the framework. Where should you look first for assessment criteria and methodologies?

  A. Company mandate documents
  B. International standards bodies
  C. Internal IT department
  D. Industry best practices
  B. International standards bodies

• Question 89:

  You need to survey an existing application environment to free up resources. Which type of systems should you initially identify?

  A. Those that can be combined, replaced, or obsoleted
  B. Those whose data can be comingled
  C. Those that have minimal GRC or security requirements
  D. Those that can be migrated easily to a virtual environment
  A. Those that can be combined, replaced, or obsoleted

• Question 90:

  Which two capacity management objectives often conflict with each other?

  A. Manageability and redundancy
  B. Availability and security
  C. Compliance and efficiency
  D. Efficiency and availability
  D. Efficiency and availability