Download New Updated (Spring 2015) Cisco 640-864 Actual Tests 81-90

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QUESTION 81

A network design includes private addressing, but there is also a need for two or three network devices to each be assigned a unique public address so they can be accessed from the Internet. Which technique will satisfy this requirement?

 

A.      Static NAT

B.      VPN tunneling

C.      Dynamic NAT

D.      DHCP

 

Correct Answer: A

 

 

QUESTION 82

A Cisco security mechanism has the following attributes:

 

Ÿ   it is a sensor appliance

Ÿ   it searches for potential attacks by capturing and analyzing traffic it is a “purpose-built device”

Ÿ   it is installed passively

Ÿ   it introduces no delay or overhead

 

Which Cisco security mechanism is this?

 

A.      NIDS

B.      PIX

C.      IKE

D.      HIPS

E.       HMAC

 

Correct Answer: A

 

 

QUESTION 83

Which two routing protocols operate over NBMA point-to-multipoint networks without the use of point-to-point subinterfaces? (Choose two.)

 

A.      OSPF

B.      EIGRP

C.      RIPv2

D.      RIPv1

E.       IGRP

F.       IS-IS

 

Correct Answer: AB

 

 

QUESTION 84

Which three types of WAN topologies can be deployed in the Cisco Enterprise Architecture Enterprise Edge WAN module? (Choose three.)

 

A.      ring

B.      full mesh

C.      partial mesh

D.      collapsed core

E.       star

F.       core

G.      edge

 

Correct Answer: BCE

 

 

QUESTION 85

Which statement accurately describes one difference between a small office and medium office topology?

 

A.      Medium offices commonly use integrated route and switching platforms.

B.      Medium offices use integrated 10/100/1000 interfaces as Layer 2 trunks.

C.      Medium offices use external access switches to support LAN connectivity.

D.      Small offices commonly use Rapid PVST+ for Layer 3 deployments.

 

Correct Answer: C

 

 

QUESTION 86

A customer has the following Enterprise Campus design requirements:

 

Ÿ   at least 10 Gbps of bandwidth

Ÿ   network runs of up to 40km

Ÿ   no concern for transmission medium cost

 

Which transmission medium should you recommend to this customer?

 

A.      unshielded twisted pair

B.      shielded twisted pair

C.      single-mode fiber

D.      wireless

E.       multimode fiber

 

Correct Answer: C

 

 

QUESTION 87

You design a network with the following network addresses:

 

Ÿ   192.168.168.0

Ÿ   192.168.169.0

Ÿ   192.168.170.0

Ÿ   192.168.171.0

Ÿ   192.168.172.0

Ÿ   192.168.173.0

Ÿ   192.168.174.0

Ÿ   192.168.175.0

 

Which route address is the best summary of these network addresses?

 

A.        192.168.0.0/16

B.        192.168.168.0/21

C.        192.168.0.0/24

D.        192.168.171.128/3

E.         192.168.175.0/3

F.         None of the above

 

Correct Answer: B

 

 

 

 

QUESTION 88

Which two of the following statements represent a preferred wireless LWAPP implementation? (Choose two.)

 

A.        verify open ports for:

Layer 2 LWAPP on ethertype OxBBBB

Layer 3 LWAPP on UDP 12222 and UDP 12223

B.        use of Layer 3 LWAPP is preferred over Layer 2 LWAPP

C.        use of Layer 2 LWAPP is preferred over Layer 3 LWAPP

D.        verify open ports for:

Layer 2 LWAPP on ethertype OxBABA

Layer 3 LWAPP on UDP 12222 and TCP 12223

E.         verify open ports for:

Layer 2 LWAPP on ethertype OxABAB

Layer 3 LWAPP on TCP 12222 and TCP 12223

 

Correct Answer: AB

 

 

QUESTION 89

Which two capabilities of NetFlow accounting assist designers with network planning? (Choose two.)

 

A.      the monitoring of processor time on network devices

B.      the calculation of packet and byte counts of network traffic

C.      the decoding and analyzing of packets

D.      the presentation of a time-based view of application usage on the network

E.       the monitoring of user network utilization

 

Correct Answer: BE

 

 

QUESTION 90

What is the benefit of deploying a gatekeeper in an H.323 IP telephony network?

 

A.      provides spatial redundancy through the use of HSRP

B.      provides load balancing via GUP when alternate gatekeepers are deployed

C.      reduces configuration complexity by centralizing the dial plan

D.      increases redundancy by allowing each gateway to maintain a copy of the dial plan

 

Correct Answer: C

 

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