Cisco 642-998 Online Practice Questions and Exam Preparation

Cisco 642-998 Online Questions & Answers

• Question 31:

  Which option configured on Cisco Nexus 7000 Series data center switches ensures the confidentiality of server data beginning at the ingress switch port?

  A. Host vPC+
  B. Linksec
  C. MACsec
  D. LACP
  E. IPsec
  C. MACsec

• Question 32:

  Which two views from the Device Manager in Cisco Prime Data Center Network Manager provide a graphical view of Cisco devices? (Choose two.)

  A. Device
  B. Configuration
  C. Log
  D. Ports
  E. Summary
  A. Device
  E. Summary

• Question 33:

  Which two devices operate only at OSI Layer 2? (Choose two.)

  A. Cisco Nexus 7010
  B. Cisco Nexus 5548
  C. Cisco Nexus 5596
  D. Cisco Nexus 5020
  E. Cisco Nexus 3016
  F. Cisco Nexus 2248
  D. Cisco Nexus 5020
  F. Cisco Nexus 2248

• Question 34:

  Which three options are major reasons to export NetFlow data in v9 format rather than v5? (Choose three.)

  A. IPv6 and MPLS field support
  B. well-known fixed field definitions
  C. fields for Layer 2 NetFlow
  D. Version 9 exports are template-based.
  E. Multicast flows are supported in v9 only.
  F. support for sampled NetFlow
  G. IPv4 and IPv6 flow statistics can be combined in the same export.
  H. NetFlow v9 supports more granular aging timers.
  A. IPv6 and MPLS field support
  C. fields for Layer 2 NetFlow
  D. Version 9 exports are template-based.

• Question 35:

  What is configured on an NHRP to trigger failover if an SVI goes down?

  A. BPDU
  B. weight
  C. interface priority
  D. object tracking
  E. local preference
  F. cost
  D. object tracking

• Question 36:

  Which two options are benefits of implementing Cisco FabricPath? (Choose two.)

  A. All links between FabricPath switches are active.
  B. The MAC addresses of servers are learned by all FabricPath switches.
  C. Layer 2 protocols are used for loop avoidance.
  D. MAC learning is conversation-based.
  E. Segmentation is provided at Layer 3.
  A. All links between FabricPath switches are active.
  D. MAC learning is conversation-based.

• Question 37:

  Which statement accurately describes a disjoint Layer 2 network topology in Cisco UCS infrastructure?

  A. A vNIC can communicate with only one Layer 2 domain.
  B. A VLAN can overlap across Layer 2 domains.
  C. A Cisco UCS Fabric Interconnect must be configured in switching mode.
  D. Servers can use any virtual interface card.
  A. A vNIC can communicate with only one Layer 2 domain.

• Question 38:

  Which three features in the VM-FEX software extend a Cisco Fabric Extender technology to the virtual machine? (Choose three.)

  A. The software-based switch in the hypervisor is eliminated.
  B. Each virtual machine includes a dedicated interface on the parent switch.
  C. The hardware-based switch in the hypervisor is eliminated.
  D. All virtual machine traffic is sent directly to the dedicated interface on the switch.
  E. All virtual machine traffic is sent directly to all the interfaces on the switch.
  F. Each virtual machine does not have a dedicated interface on the parent switch.
  G. The software-based switch in the hypervisor is configured.
  A. The software-based switch in the hypervisor is eliminated.
  B. Each virtual machine includes a dedicated interface on the parent switch.
  D. All virtual machine traffic is sent directly to the dedicated interface on the switch.

• Question 39:

  You have designed a Cisco UCS Solution, and each Cisco UCS 6248UP Fabric Interconnect has these connections:

  

  4 x Cisco UCS Chassis each with 4 x 10 Gb links per Fabric

  

  4 x 10 Gb Unified Port Channel to the upstream Nexus switch

  How many additional Fabric Interconnect port licenses are required?

  A. 16
  C. 20
  D. 4
  E. 40
  A. 16

• Question 40:

  Which two requirements must be satisfied to implement STP Bridge Assurance on Cisco Nexus switches? (Choose two.)

  A. CST or RSTP
  B. STP or RSTP
  C. MST or Rapid PVST+
  D. a port type of network
  E. a port type of edge
  F. a port type of normal
  C. MST or Rapid PVST+
  D. a port type of network