Cisco 642-998 Online Practice Questions and Exam Preparation

Cisco 642-998 Online Questions & Answers

• Question 141:

  Which two actions must be performed when you configure Cisco VN-Link in hardware? (Choose two.)

  A. Create a distributed virtual switch in Cisco UCS Manager.
  B. Add an ESX host to the distributed virtual switch in Cisco UCS Manager.
  C. Create a port profile and profile clients in Cisco UCS Manager.
  D. Create a standard switch on an ESXi host and map the network adapters to the switch.
  E. Create a distributed virtual switch under the datacenter folder in VMware vCenter.
  A. Create a distributed virtual switch in Cisco UCS Manager.
  C. Create a port profile and profile clients in Cisco UCS Manager.

• Question 142:

  Which two tools are included in Cisco Prime DCNM for SAN? (Choose two.)

  A. Device Discovery
  B. Cisco Traffic Analyzer
  C. Cisco DCNM-LAN server
  D. Cisco DCNM-SAN Client
  E. Cisco Security Manager
  B. Cisco Traffic Analyzer
  D. Cisco DCNM-SAN Client

• Question 143:

  Which two options are reasons to use IP routing to segment a data center instead of Layer 2 routing? (Choose two.)

  A. Spanning Tree Protocol
  B. simplify design
  C. broadcast flooding
  D. ease of routing protocol configuration
  E. cost
  A. Spanning Tree Protocol
  C. broadcast flooding

• Question 144:

  Which two statements about OTV are true? (Choose two.)

  A. OTV join interfaces must be physical interfaces.
  B. OTV supports authentication of hello messages and control plane PDUs.
  C. Multicast support in the transport network is a strict requirement to establish OTV adjacencies.
  D. All OTV overlay interfaces must use the same join interface.
  E. OTV forwards and processes spanning-tree BPDUs between sites to ensure a loop-free topology.
  F. OTV propagates MAC address reachability information via the underlying IS-IS control-plane.
  B. OTV supports authentication of hello messages and control plane PDUs.
  F. OTV propagates MAC address reachability information via the underlying IS-IS control-plane.

• Question 145:

  Which option is a characteristic of the data center aggregation layer?

  A. segments groups of applications and isolates problems
  B. provides access for IP multicast applications
  C. offers QoS services, such as the classification and marking of traffic
  D. is a high-speed backbone of the data center
  A. segments groups of applications and isolates problems

• Question 146:

  Which two features are provided by Cisco Prime NAM? (Choose two.)

  A. configuration management of Cisco Nexus and Cisco MDS series devices
  B. comprehensive analysis of deployed software versions and recommendations for upgrades
  C. detailed insight into overlay networks and virtual machine deployments
  D. centralized management of hypervisors such as Microsoft Hyper-V and VMware ESXi
  E. detailed flow- and packet-based traffic analysis for network administrators
  F. basic tools for troubleshooting and managing external storage systems
  C. detailed insight into overlay networks and virtual machine deployments
  E. detailed flow- and packet-based traffic analysis for network administrators

• Question 147:

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

  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
  A. no packet manipulation
  D. scalable routing protocols

• Question 148:

  Which feature of Cisco Prime NAM for Cisco Nexus 1010 Virtual Services Appliance provides multifaceted insight into network behavior?

  A. packet debug
  B. troubleshoot performance
  C. traffic analysis
  D. API management
  C. traffic analysis

• Question 149:

  Which Cisco management tool provides centralized device and security policy management for Cisco VSG for Cisco Nexus 1000V Series Switches?

  A. Cisco UCS Manager
  B. Cisco NAM
  C. Cisco VNMC
  D. Cisco DCNM
  C. Cisco VNMC

• Question 150:

  Which data center interconnect technology must you use to provide a Layer 2 extension over a Layer 3 cloud?

  A. Cisco FabricPath
  B. OTV
  C. LISP
  D. vPC
  E. vPC+
  B. OTV