Online Access Free 642-874 Practice Test

Which STP enhancement can be configured on Layer 2 ports between distribution layer switches?

• A.LoopGuard
• B.PortFast
• C.UplinkFast
• D.RootGuard

What three benefits exist when utilizing Cisco Nexus technology for implementing a unified fabric design? (Choose three.)

• A.increased bandwidth
• B.reduced cabling
• C.consolidated switching
• D.enhanced redundancy
• E.improved convergence
• F.fewer adapters

Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? (Choose two.)

• A.Use the lowest Ethernet interface IP address as the router I
• B.Use totally stub areas to stop type 3 LSAs.
• C.Use NSSA areas from the core down.
• D.Manipulate the reference bandwidth.
• E.Never use passive interfaces.

Which option is the preferred and most versatile model to deploy IPv6 in existing IPv4 environments?

• A.service block
• B.hybrid
• C.processes
• D.dual stack

When a router has to make a rate transition from LAN to WAN, what type of congestion needs should be considered in the network design?

• A.TX-queue saturation
• B.RX-queue starvation
• C.TX-queue starvation
• D.RX-queue saturation
• E.TX-queue deferred
• F.RX-queue deferred