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Exam Code: 642-871 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: CCDP Designing Cisco network Service Architectures (ARCH)
Certification Provider: Cisco
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2016 Apr 642-871 Study Guide Questions:

Q46. A security analysis at The Potomac Canal Company recommends installing an IDS appliance and a firewall appliance. These appliances should connect directly into a Layer 3 switch. A load balancer and SSL termination have also been recommended.Potomac's management have expressed concern over the cost. You suggest using integrated blades. What is one advantage and one disadvantage of your design proposal? (Choose two.)

A. Since integrated blades are rarely used in high-availability failover scenarios, this creates a support issue.

B. This configuration can inhibit failover in high-availability scenarios without a high degree of management.

C. The data center would need several devices to achieve its goal.

D. Increased usage of standalone devices is cost-effective.

E. Putting all security devices in a single chassis provides a single point of failure.

F. Using integrated blades would only require two devices.

Answer: EF


Q47. Which four QoS design requirements are the closest to Cisco recommendations for VoIP traffic?

(Choose four).

A. 150 bps (+ Layer 2 overhead) of guaranteed bandwidth for voice control traffic per call

B. less than 1 percent of packet loss

C. serialization delay of 100 ms to 150 ms

D. less than 30 ms of jitter

E. fixed 64 kbps of guaranteed priority bandwidth per call

F. one-way latency of 150 ms to 200 ms

Answer: A,BDF


Q48. When is the site-to-site remote access model appropriate? (Choose one.)

A. for a group of users in the same vicinity sharing a connection

B. for multiple ISDN connections

C. for modem concentrated dial-up connections

D. for use by mobile users

Answer: A


Q49. Which three routing protocols can minimize the number of routes advertised in the network?

(Choose three)

A. RIPv2

B. IGRP

C. BGP

D. EIGRP

E. OSPF

Answer: ADE


Q50. CORRECT TEXT

Look at the picture.



642-871 sample question

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Q51. What four functions does Web Cache Communication Protocol (WCCP) incorporate? (Choose four.)

A. load balancing

B. scalability

C. service assurance

D. network address translation

E. remote management

F. fault tolerance

Answer: ABCF


Q52. Which two statements are correct in regards to the Content Distribution Manager? (Choose two.)

A. It is used to cache selected content from origin servers and delivers specific content to requesting users.

B. It enables organizations to deliver live broadcasts to desktops and meeting rooms.

C. It is used to load balance and direct traffic to the appropriate CE.

D. It is utilized in content networking for streaming media.

E. It is utilized in content networking for e-commerce.

F. It allows configurable bandwidth and distribution settings so content will not interfere with other network traffic.

Answer: DF


Q53. Which two statements are correct in regards to the Content Distribution Manager? (Choose two.)

A. It is utilized in content networking for e-commerce.

B. It allows configurable bandwidth and distribution settings so content will not interfere with other network traffic.

C. It is used to cache selected content from origin servers and delivers specific content to requesting users.

D. It is utilized in content networking for streaming media.

E. It enables organizations to deliver live broadcasts to desktops and meeting rooms.

F. It is used to load balance and direct traffic to the appropriate CE.

Answer: BD


Q54. What are two design guidelines for VoIP networks? (Choose two.)

A. Managed bandwidth is strongly recommended for voice control traffic.

B. Delay should be no more than 10 ms.

C. Jitter should be less then 40 ms.

D. Loss should be no more than 1 percent.

E. One-way latency should be no more than 50 ms.

Answer: AD


Q55. Which two are benefits of implementing QoS in Enterprise Networks? (Choose two.)

A. It decreases propagation delay.

B. It provides predictable response times.

C. It supports dedicated bandwidth per application.

D. It prevents the need to increase bandwidth when adding applications.

Answer: BC


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Q56. A company is using a multi-site centralized call processing model. Which feature ensures that the remote site IP phones will still have limited functionality given a WAN outage?

A. SCCP

B. Call Admission Control

C. SRST

D. MGCP

E. TAPI

Answer: C


Q57. To securely transport EIGRP traffic, a network administrator will build VPNs between sites. What is the best method to accomplish the transport of EIGRP traffic?

A. GRE with IPSec in transport mode

B. IPSec in tunnel mode

C. IPSec in transport mode

D. GRE with IPSec in tunnel mode

Answer: A


Q58. Scalability is provided in the server farm module by which of the following design strategies?

A. high port densities at the access level

B. redundant servers at the access level

C. up to 10 Gbps of bandwidth at the access level

D. modular block design at the access level

Answer: D


Q59. HOTSPOT

Look at the picture.


Answer: 



Q60. A multinational company has Internet gateways in multiple countries and an internal IP WAN. They are designing an IP addressing scheme.Which are the three most important issues that need to be considered? (Choose three.)

A. Which locations will provide redundant links to the Internet?

B. How many locations are in the network and what is their size?

C. How will VLANs be deployed for the customer?

D. Is hierarchy needed within the IP addressing plan?

E. What types of IP addresses are required, private, public, or both?

Answer: BDE