Cisco 642-998 Online Practice Questions and Exam Preparation

Cisco 642-998 Online Questions & Answers

• Question 11:

  What is one reason to choose a Cisco UCS C-Series rack-mountable server over a Cisco UCS B- Series blade server?

  A. specific application requirements, like GPU computing
  B. when power and cooling are constrained
  C. specific data requirements, like data protection (backup) and disaster recovery (multisite replication)
  D. when the environment is high-performance computing
  A. specific application requirements, like GPU computing

• Question 12:

  A customer is designing their new data center using Cisco UCS and they want to use the VM-FEX feature. Which statement about VM-FEX is true?

  A. VM-FEX is a VMware feature that allows management of the virtual network and configuration of virtual ports to be handled within Cisco UCS Manager.
  B. VM-FEX is a Cisco UCS feature that allows management of the virtual network and configuration of virtual ports, which can be handled within Cisco UCS Manager.
  C. VM-FEX requires additional licensing, which can be purchased through VMware.
  D. VM-FEX is supported only on B200 M3 blades.
  B. VM-FEX is a Cisco UCS feature that allows management of the virtual network and configuration of virtual ports, which can be handled within Cisco UCS Manager.

• Question 13:

  DRAG DROP

  Select and Place:

  

  

• Question 14:

  Which appliance port is connected to a Cisco UCS?

  A. Nexus port
  B. Fibre Channel storage
  C. Catalyst switch port
  D. NFS storage
  D. NFS storage

• Question 15:

  What represents the number of bits in an IPv6 address?

  A. 32-bit dotted hex
  B. 48-bit dotted hex
  C. 64-bit dotted hex
  D. 128-bit dotted hex
  E. 160-bit dotted hex
  D. 128-bit dotted hex

• Question 16:

  The ANSI restriction that only 239 Fibre Channel domains are allowed per SAN fabric creates challenges for the designer working on a Cisco Data Center Unified Fabric network.

  Which two approaches can the designer utilize to restrict the number of Fibre Channel domains below 239? (Choose two.)

  A. Daisy chain up to 100 core Fibre Channel switches, leaving 139 domains for the network edge.
  B. Assign a domain ID for each blade switch and top-of-rack access layer switch.
  C. Use NPV to cause a fabric or blade switch to appear as a host to the core Fibre Channel switch.
  D. Migrate to FCoE to eliminate the need for Fibre Channel domains.
  E. Utilize VSANs to allow scaling well beyond 239 domain IDs.
  C. Use NPV to cause a fabric or blade switch to appear as a host to the core Fibre Channel switch.
  E. Utilize VSANs to allow scaling well beyond 239 domain IDs.

• Question 17:

  In the Cisco UCS B-Series Blade Servers, which option is the first product that implements Cisco Adapter FEX technology?

  A. Cisco UCS P81E VIC
  B. Cisco UCS M72KR-E Emulex Converged Network Adapter
  C. Cisco UCS M61KR-I Intel Converged Network Adapter
  D. Cisco UCS M81KR Virtual Interface Card
  D. Cisco UCS M81KR Virtual Interface Card

• Question 18:

  Which two important benefits result from deploying Cisco Catalyst 4948 Switches in a top-of-rack access layer design? (Choose two.)

  A. increased fault tolerance
  B. improved server density
  C. improved power distribution
  D. simpler logical density
  E. simpler logical topology
  C. improved power distribution
  E. simpler logical topology

• Question 19:

  Which two business requirements have the most influence on the data center design? (Choose two.)

  A. reduce power consumption
  B. increase network bandwidth
  C. increase storage capacity
  D. increase cooling requirement
  E. reduce virtual machine to host ratio
  F. reduce data center footprint (floorspace)
  A. reduce power consumption
  E. reduce virtual machine to host ratio

• Question 20:

  Which FEX topology ensures deterministic bandwidth at the expense of server-link stability during FEX uplink failure?

  A. port channel
  B. static pinning
  C. virtual port channel
  D. dynamic pinning
  E. Equal-Cost Multipath
  F. RPVST
  B. static pinning