Cisco 642-874 Online Practice Questions and Exam Preparation

Cisco 642-874 Online Questions & Answers

• Question 91:

  Which VRF component ensures control plane separation between the different Layer 3 VPNs?

  A. FIB
  B. routing protocol instance
  C. RIB
  D. a subset of the router interfaces
  B. routing protocol instance

• Question 92:

  DRAG DROP

  Select and Place:

  

  

• Question 93:

  A network team must provide a redundant secure connection between two entities using OSPF. The primary connection will be an Ethernet Private Line and the secondary connection will be a site-to-site VPN. What needs to be configured in order to support routing requirements for over the VPN connection?

  A. GRE Tunnel
  B. HTTPS
  C. Root Certificate
  D. AAA Server
  A. GRE Tunnel

• Question 94:

  Which three options are features of IP SLAs? (Choose three.)

  A. enables verification of service guarantees
  B. dynamically adjusts QoS parameters
  C. validates network performance and metrics
  D. initiates failover for saturated links
  E. proactively identifies network related issues
  A. enables verification of service guarantees
  C. validates network performance and metrics
  E. proactively identifies network related issues

• Question 95:

  When is a first-hop redundancy protocol needed in the distribution layer?

  A. when the design implements Layer 2 between the access and distribution blocks
  B. when multiple vendor devices need to be supported
  C. when preempt tuning of the default gateway is needed
  D. when a robust method of backing up the default gateway is needed
  E. when the design implements Layer 2 between the access switch and the distribution blocks
  A. when the design implements Layer 2 between the access and distribution blocks

• Question 96:

  Which feature set enables the full OSPF routing process when using a Cisco Catalyst 3750X Switch?

  A. LAN base
  B. IP base
  C. IP services
  D. enterprise access
  C. IP services

• Question 97:

  Which two key components are related to one firewall per ISP design option for e-commerce? (Choose two.)

  A. It is a common approach to single-homing.
  B. This approach is commonly used in large sites.
  C. Any failure on an edge router results in a loss of session.
  D. It has one NAT to two ISP-assigned blocks.
  E. It is difficult to set up and administer.
  C. Any failure on an edge router results in a loss of session.
  D. It has one NAT to two ISP-assigned blocks.

• Question 98:

  A company uses BGP to connect with the ISP on the enterprise network and wants to improve performance due to the increasing number of iBGP peers. Which two design solutions address the iBGP full mesh requirement? (Choose two.)

  A. route reflectors
  B. confederations
  C. AS path prepending
  D. communities
  E. conditional advertising
  A. route reflectors
  B. confederations

• Question 99:

  Which option does the FabricPath technology use to create loop-free Layer 2 networks?

  A. STP
  B. TTL
  C. fabric tags
  D. FSTP
  B. TTL

• Question 100:

  Refer to the exhibit.

  

  The Cisco Nexus 1000V in the VMware vSphere solution effectively creates an additional access layer in the virtualized data center network; which of the following 1000V characteristics can the designer take advantage of?

  A. Offloads the STP requirement from the external Access layer switches
  B. If upstream access switches do not support vPC or VSS the dual-homed ESX host traffic can still be distributed using virtual port channel host mode using subgroups automatically discovered through CDP
  C. Allows transit traffic to be forwarded through the ESX host between VMNICs
  D. Can be divided into multiple virtual device contexts for service integration, enhanced security, administrative boundaries, and flexibility of deployment
  B. If upstream access switches do not support vPC or VSS the dual-homed ESX host traffic can still be distributed using virtual port channel host mode using subgroups automatically discovered through CDP