Cisco 642-998 Online Practice Questions and Exam Preparation

Cisco 642-998 Online Questions & Answers

• Question 161:

  Which two terms relate to the capability of a physical NIC to present virtual NICs to the operating system or hypervisor? (Choose two.)

  A. VM-FEX
  B. NPIV
  C. Adapter-FEX
  D. NIV
  E. host vPC
  F. NIC teaming
  C. Adapter-FEX
  D. NIV

• Question 162:

  You plan to implement a new data center solution that will use an IGP. Which routing protocol must you use in a large full-mesh network that requires fast convergence and scalability?

  A. LDP
  B. BGP
  C. RIP
  D. EIGRP
  E. IS-IS
  E. IS-IS

• Question 163:

  Which performance characteristic is least likely to require being addressed in the data center solution requirements?

  A. server virtualization
  B. desktop virtualization
  C. distributed computing
  D. private cloud
  E. power efficiency
  E. power efficiency

• Question 164:

  Which four options about a Cisco Nexus 1000 Series Switch are true? (Choose four.)

  A. number of VLANs for Layer 2 connectivity between VSM and VEM: 2
  B. VMware vSphere Enterprise Plus Version 4.1 or later; supports VMware vSphere 5.5
  C. VMware Distributed Resource Scheduler
  D. VMware vShield Zones
  E. maximum 1048 active VLANs
  F. maximum 2048 port profiles
  G. minimum 1048 active VLA
  H. minimum 2048 port profiles
  B. VMware vSphere Enterprise Plus Version 4.1 or later; supports VMware vSphere 5.5
  C. VMware Distributed Resource Scheduler
  D. VMware vShield Zones
  F. maximum 2048 port profiles

• Question 165:

  Which two devices require a connection to an external switch for East-West switching? (Choose two.)

  A. Cisco Nexus 3548
  B. Cisco UCS 6248UP
  C. Cisco UCS 2208XP
  D. Cisco Nexus 2232PP
  E. Cisco UCS 6296UP
  C. Cisco UCS 2208XP
  D. Cisco Nexus 2232PP

• Question 166:

  What represents a feature to secure OSPF routing exchanges?

  A. OSPF peer authentication
  B. OSPF route authentication
  C. OSPF process authentication
  D. OSPF database exchange authentication
  A. OSPF peer authentication

• Question 167:

  What is the primary function of NetFlow?

  A. NetFlow requires changes to the packet and provides statistics based on these packet flows.
  B. NetFlow identifies packet flows for both ingress and egress IP packets and provides statistics based on these packet flows.
  C. NetFlow does not use flows to provide statistics for accounting.
  D. NetFlow does not use flows to provide statistics for network monitoring.
  B. NetFlow identifies packet flows for both ingress and egress IP packets and provides statistics based on these packet flows.

• Question 168:

  Which two options represent an access layer solution to virtual machine network virtualization that the network team manages just like other devices in the data center? (Choose two.)

  A. Cisco Nexus 1010
  B. VSM
  C. VEM
  D. host vPC
  E. MPIO
  A. Cisco Nexus 1010
  C. VEM

• Question 169:

  Which statement about Cisco VM-FEX technology is true?

  A. VM-FEX collapses virtual and physical networking infrastructure into a single infrastructure that is fully aware of the virtual machine locations and networking policies.
  B. VM-FEX requires a Cisco VIC CNA and supports only static vNICs and single-OS deployments.
  C. VIC CNAs provide software-based switching of traffic to and from virtual machine interfaces.
  D. VM-FEX eliminates the need for VMware integration and virtual machine management performed through the VMware vCenter.
  E. The Cisco VICs supports up to 1024 dynamic virtual adapters and interfaces.
  A. VM-FEX collapses virtual and physical networking infrastructure into a single infrastructure that is fully aware of the virtual machine locations and networking policies.

• Question 170:

  Which three characteristics are associated with the aggregation layer of a Cisco Data Center Unified Fabric network? (Choose three.)

  A. no packet manipulation
  B. QoS ?policing
  C. voice, data, and wireless convergence
  D. scalable routing protocols
  E. provides default gateway redundancy
  F. QoS ?classification and queuing
  G. routing manipulation and filtering
  H. aggregates end users
  B. QoS ?policing
  E. provides default gateway redundancy
  G. routing manipulation and filtering