Get all latest (August) Cisco 642-998 Actual Test 21-30

Ensurepass

 

QUESTION 21

When multicast traffic is a required design element, why is the Cisco UCS 6248UP a better choice than the Cisco UCS 6140XP?

 

A.

Cisco UCS 6140XP does not allow multicast traffic propagation.

B.

Cisco UCS 6140XP does not support IGMP snooping on uplink interfaces.

C.

Cisco UCS 6248UP employs separate unicast and multicast egress queues.

D.

Cisco UCS 6248UP supports PIM dense mode rendezvous points.

E.

Cisco UCS 6248UP supports dynamic queue mapping of IGMP v3 requests.

 

Correct Answer: C

 

 

QUESTION 22

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

 

Correct Answer: CD

 

 

QUESTION 23

What is your recommendation to a customer interested in slowing power consumption in the data center? (Choose two.)

 

A.

Consolidate servers through virtualization.

B.

Convert servers from 220v to 110v.

C.

Implement Cisco Unified Fabric.

D.

Convert from AC to DC power distribution.

E.

Stop using redundant power supplies.

 

Correct Answer: AC

 

 

QUESTION 24

Which three items represent data center virtualization technologies? (Choose three.)

 

A.

VDC

B.

VSAN

C.

LUN

D.

L2 firewall

E.

GLBP

F.

ECMP

 

Correct Answer: ABC

 

 

 

QUESTION 25

What technology is necessary to support vPC+?

 

A.

MPLS

B.

OTV

C.

FabricPath

D.

vCenter

E.

RPVST

F.

MST

 

Correct Answer: C

 

 

QUESTION 26

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

 

Correct Answer: D

 

 

QUESTION 27

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

 

Correct Answer: DF

 

 

QUESTION 28

What allows for STP to be disabled yet support a loop-free topology even on link or switch failure?

 

A.

LACP

B.

OTV

C.

vPC

D.

vPC+

E.

FabricPath

 

Correct Answer: E

 

 

QUESTION 29

Which three options are examples of NHRP? (Choose three.)

 

A.

OSPF

B.

HSRP

C.

VRRP

D.

GLBP

E.

OCSP

F.

EIGRP

G.

MPLS

 

Correct Answer: BCD

 

 

QUESTION 30

Your customer has a PCI requirement to protect with a firewall access layer servers that process Visa transactions. Which Cisco Firewall Services Module deployment topology will have the least impact on existing IP addressing?

 

A.

Transparent

B.

One-Arm

C.

Routed

D.

Inline

E.

Clustered

 

Correct Answer: A

 

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