Cisco 642-998 Online Practice Questions and Exam Preparation

Cisco 642-998 Online Questions & Answers

• Question 21:

  In virtual machine mobility architectures, which technical issue is LISP implemented to resolve?

  A. data center VLAN extension
  B. flooding of unknown unicast traffic across the WAN
  C. multicast limitations in the WAN
  D. suboptimal traffic flow between data centers
  D. suboptimal traffic flow between data centers

• Question 22:

  You are evaluating the use of a VMware virtual switch or a Cisco Nexus 1000V Series distributed virtual switch. Which two options describe benefits of using the Cisco Nexus 1000V Series distributed virtual switch? (Choose two.)

  A. provides unified network management and operations
  B. allows policies to be applied to individual virtual machines
  C. lowers the power consumption of the Cisco UCS servers
  D. reduces the deployment time of the virtual machine
  E. provides a graphical interface to configure virtual machine policies
  A. provides unified network management and operations
  B. allows policies to be applied to individual virtual machines

• Question 23:

  Which statement about the Cisco Adapter FEX feature on the Cisco Nexus 5000 Series Switches is true?

  A. Cisco Adapter FEX is a software feature that can be configured on any Cisco Network Assistant as long as the Nexus 5000 is running a version of code that supports Adapter FEX.
  B. Packets on each channel are tagged with an 801.Q header that has a specific source VIF.
  C. Cisco Adapter FEX can be thought of as a way to divide a single physical link into multiple virtual links or channels.
  D. When using a dual-homed NIC on the server, active/standby is not supported. Only active/active is supported.
  C. Cisco Adapter FEX can be thought of as a way to divide a single physical link into multiple virtual links or channels.

• Question 24:

  DRAG DROP

  Select and Place:

  

  

• Question 25:

  The client's data center manager has requested the physical weights of the equipment in your Cisco UCS design along with the power and cooling requirements. Where in cisco.com can you find this information?

  A. the product datasheets
  B. the Cisco UCS power calculator
  C. the Cisco UCS GUI Configuration Guide
  D. the Cisco UCS Hardware Installation Guide
  E. the Hardware and Software Interoperability Matrix Utility Tool
  B. the Cisco UCS power calculator

• Question 26:

  Which statement about FCoE is true?

  A. FCoE is not supported on any Nexus 2000 Series Fabric Extenders.
  B. Not a single FCoE VLAN can map to multiple VSANs.
  C. Inter-switch FCoE links can be configured to carry multiple VSANs.
  D. FCoE does not support NPV/NPIV mode.
  C. Inter-switch FCoE links can be configured to carry multiple VSANs.

• Question 27:

  Which additional functionality does NetFlow provide?

  A. device configuration management
  B. enhanced network anomaly and security detection
  C. drop anomaly IP
  D. disable Cisco Discovery Protocol per interface
  B. enhanced network anomaly and security detection

• Question 28:

  Which statement about Cisco UCS Pass-Through Switching is true?

  A. Cisco UCS PTS requires a license.
  B. Cisco UCS PTS requires that VMDirectPath is enabled.
  C. Inter-VM traffic is sent through the hypervisor switch.
  D. Cisco UCS PTS allows the management of the virtual network and configuration of virtual ports to be handled within UCS Manager.
  D. Cisco UCS PTS allows the management of the virtual network and configuration of virtual ports to be handled within UCS Manager.

• Question 29:

  Which two methods are valid to configure VLANs on a Cisco UCS cluster? (Choose two.)

  A. globally per Cisco UCS cluster
  B. by using Cisco UCS Fabric Interconnect
  C. by using VTP
  D. by using CFS
  E. by using vPC domain configuration
  A. globally per Cisco UCS cluster
  B. by using Cisco UCS Fabric Interconnect

• Question 30:

  Which technology has the benefit of significant reduction in cabling at the access layer?

  A. FCoE
  B. DCBX C. FIP
  D. distributed FCF
  E. 802.1Qbb
  A. FCoE