1. Designing for Cisco Internetwork Solutions (DESGN) - Retired - 640-863-s

7/21/2019 1. Designing for Cisco Internetwork Solutions (DESGN) - Retired - 640-863-s

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CISCO 640-863

Designing for Cisco Internetwork Solutions

90 Q&A


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Q: 1 Refer to the exhibit. Which statement accurately represents the

characteristics of the core layer in this design?

A. QoS should be performed only in the core.B. Load balancing should never be implemented or used in the core.

C. Access lists should be used in the core to perform packet manipulation.D. It is acceptable to use a partial mesh in the core if it is connected to each device by multiple paths.E. Policy-based traffic control is implemented in the core to enable prioritization, ensuring the best

performance for all time-critical applications.

Answer: D

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Q: 2 Which statement accurately describes one difference between a small office

and medium office topology?

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

B. Medium offices commonly use integrated route and switching platforms.C. Medium offices use integrated 10/100/1000 interfaces as Layer 2 trunks.D. Medium offices use external access switches to support LAN connectivity.

Answer: D

Q: 3 Which three factors best justify WAN link redundancy between

geographically dispersed sites? (Choose three.)

A. important traffic flows

B. lack of speed

C. high link utilization

D. uncertain reliabilityE. excessive packet transmission rate

F. high expense of transmitting data

Answer: A, B, D

Q: 4 Refer to the exhibit. Which two statements describe why Model A is the

recommended design for routing between Building Distribution switches and Campus Core switches?

(Choose two.)

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E. analog modem

Answer: A

Q: 6 Which two of these represent a best practice implementation of a Split MACLWAPP deployment in a Cisco Unified Wireless Network? (Choose two.)

A. Each wireless client authentication type maps to a shared SSID which in turn maps to a common shared

VLAN.

B. Each wireless client authentication type maps to a unique SSID which in turn maps to a unique VLAN.

C. Each wireless client authentication type maps to a unique SSID which in turn maps to a common sharedVLAN.

D. 802.1Q trunking extends from the wired infrastructure to the access point for translation into SSID(s).

E. 802.1Q trunking extends from the wired infrastructure to a wireless LAN controller for translation into

SSID(s).F. 802.1Q trunking extends from the wired infrastructure to a wireless LAN controller. Then the 802.1Q

packet is encapsulated in LWAPP and sent to the access point for transmission over the SSID(s).

Answer: B, E

Q: 7 Which two statements represent advantages that the top-down network

design process has over the bottom-up network design process? (Choose two.)

A. is able to provide the big picture

B. utilizes previous experience

C. takes less time to design a networkD. identifies appropriate technologies first

E. provides a design for current and future development

Answer: A, E

Q: 8 Which two of these are required for wireless client mobility deployment

when using a Cisco Unified Wireless Network? (Choose two.)

A. assigned master controller

B. matching mobility group name

C. matching RF group nameD. matching RF power

E. matching security

F. matching RF channel


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Answer: B, E

Q: 9 Which two VoIP characteristics are affected most by codec choice? (Choose

two.)

A. voice quality

B. silent packet handlingC. voice packet header size

D. bandwidth required for voice calls

Answer: A, D

Q: 10 Which H.323 protocol controls call setup between endpoints?

A. H.225

B. H.245

C. RAS

D. RTCP

Answer: B

Q: 11 A company is designing a worldwide IPv6 network with duplicated file

servers at multiple locations. Each file server contains identical reference information. Which IPv6

address type would be used to allow each end station to send a request to the nearest file server using thesame destination address, regardless of the location of that end station?

A. unicast

B. anycast

C. multicast

D. broadcast

Answer: B

Q: 12 Given a VoIP network with these attributes:

Codec: G.728

Bit rate: 16 Kbps

WAN Bandwidth: 256 Kbps


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Packet Header: 6 bytes

Payload: 40 bytes

CRTP: Yes

How many calls can be made?

A. 7 calls

B. 8 calls

C. 13 callsD. 14 calls

Answer: C

Q: 13 The topology map in the draft design document should cover which two

layers of the OSI model? (Choose two.)

A. physical

B. data link

C. network

D. transportE. session

F. application

Answer: A, C

Q: 14 Which two techniques can reduce voice packet transfer delay across a link

of less than 512 kbps? (Choose two.)

A. deploy LFI

B. increase queue depth

C. increase link bandwidth

D. extend the trust boundaryE. deploy software compression

Answer: A, C

Q: 15 Your company's Cisco routers are operating with EIGRP. You need to join

networks with an acquisition's heterogeneous routers at 3 sites, operating with EIGRP and OSPF. Which

describes the best practice for routing protocol deployment?


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A. apply OSPF throughout both networks

B. apply one-way redistribution exclusively at each locationC. apply two-way redistribution exclusively at each location

D. apply two-way redistribution at each location with a route filter at only one location

E. apply two-way redistribution at each location with a route filter at each locationF. apply EIGRP with the same autonomous system throughout both networks

Answer: E

Q: 16 A Cisco security mechanism has the following attributes:

it is a sensor appliance

it searches for potential attacks by capturing and analyzing traffic

it is a "purpose-built device"

it is installed passivelyit introduces no delay or overhead

Which Cisco security mechanism is this?

A. IKE

B. PIX

C. HIPS

D. NIDS

E. HMAC

Answer: D

Q: 17 You are designing a small branch office that requires these attributes:

support for 60 users

the growth capacity to add another 15 users soon

redundant access

higher bandwidth between the Layer 2 switch and routing to the WAN

Which branch office topology or technology must be used?

A. two-tier

B. loop-freeC. three-tier

D. EtherChannel

E. integrated routing and switching

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Answer: D

Q: 18 Which two of these best describe the implementation of a WAN Backup

design over the Internet? (Choose two.)

A. a best-effort method

B. requires no ISP coordination or involvementC. bandwidth guaranteed based on interface configuration

D. designed as an alternative to a failed WAN connection

E. implemented with a point-to-point logical link using a Layer 2 tunnel

Answer: A, D

Q: 19 Given a VoIP network with these attributes:

Codec: G.711

WAN bandwidth: 768Kbps

Packet Header: 6 bytes

Payload: 160 bytesCRTP: No

How many calls can be made?

A. 7 calls

B. 8 callsC. 9 calls

D. 11 calls

E. 13 calls

Answer: C

Q: 20 RST Corporation is planning to upgrade its current network. The chief

technology officer has supplied a topology diagram and an IP addressing scheme of the current network

during an interview.

RST has been growing at about twenty percent per year. It has been difficult to maintain customer

support at a satisfactory level. Therefore, the RST board has met with and directed the chief technologyofficer to look into network improvements.

Which two items are most relevant in documenting RST's business requirements? (Choose two.)


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A. projected growth estimates

B. network performance requirements

C. existing network topologies

D. improved customer support requirementsE. the IP addresses assigned by the ISP

Answer: A, D

Q: 21 The Cisco Data Center Network Architecture comprises which two Cisco

SONA layers? (Choose two.)

A. Interactive Services

B. Business ApplicationsC. Network Infrastructure

D. Collaboration Applications

E. WAN/Internet

Answer: A, C

Q: 22 Drop


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Documents

1. Designing for Cisco Internetwork Solutions (DESGN) - Retired - 640-863-s