21certify.com Cisco: Designing for Cisco® Internetwork Solutions (DESGN®) 640-861 Version 6.0 Jun. 17th, 2003 640-861 2 21certify.com Study Tips This product will provide you questions and answers along with detailed explanations carefully compiled and written by our experts. Try to understand the concepts behind the questions instead of cramming the questions. Go through the entire document at least twice so that you make sure that you are not missing anything. Latest Version We are constantly reviewing our products. New material is added and old material is revised. Free updates are available for 365 days after the purchase. You should check the products page on the www.21certify.com web site for an update 3-4 days before the scheduled exam date. Important Note: Please Read Carefully This 21certify Exam has been carefully written and compiled by 21certify Exams experts. It is designed to help you learn the concepts behind the questions rather than be a strict memorization tool. 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Efficient use of router resources. B. Increased security due to known routes. C. A single path into and out of a network. D. Route calculations made by network administrators. Answer: A, B Q.2 Before any changes are made to a customer network the current network must be documented. What should be included in this documentation? (Choose all that apply) A. Addressing schemes B. Concerns about the network C. Protocol analysis D. Network topology Answer: A, B, D Q.3 Routing protocols are characterized by which of the following features? (Choose all that apply) A. Operation at only the lowest layer of the OSI model. B. Upper-layer protocols existing in a given protocol suite. C. Operation at the Session layer of the OSI model. D. Responsibility for path determination and traffic switching. Answer: D Q.4 Which of the following are components included in the Cisco SAFE architecture? (Choose three) 640-861 4 21certify.com A. Multicast Router B. Enterprise Edge C. Dynamic VLANs D. Enterprise Campus E. SP Edge Answer: B, D, E Q.5 An SNMP-managed network consists of which principal components? (Choose all that apply) A. Firewalls B. Agents C. Network-management systems D. Managed devices Answer: B, C, D Q.6 What is the third step in building a prototype network? A. Determine how much of the network structure must be built to prove that the design meets the customers goals. B. Gain an understanding of what your competition intends to propose. C. Review extracted new customer requirements. D. Develop a testplan. E. Purchase and configure equipment. F. Practice demonstrations Answer: B Q.7 A newly hired sales representative is trying to decide upon a WAN solution that will allow her to communicate with the corporate office located over 500 miles from her home. She most be able to access the company web server and send e-mail with attachments throughout her entire 8-hour workday. Which of the following would be the most cost effective for her to use? A. ISDN B. Satellite C. Leased Line D. DSL 640-861 5 21certify.com E. ARM Answer: D Q.8 A multi-layer LAN switches data outside of the source network based on information stored in which location? A. RIP tables B. OSPF tables C. Bridging tables D. Route processors Answer: D Q.9 A small state college is planning to improve the security of their campus network, in particular the dorm network. Which information provided by the college is most relevant to the new design? A. User policy B. Number of users C. Applications permitted D. Speed of the network Answer: A Q.10 Which two Cisco router services perform network traffic analysis to assist in documenting a customer’s existing network? (Choose two) A. NetFlow B. CDP C. MRTG D. NetMon E. SNMP MIB compiler Answer: A, B Q.11 Which statement about developing a network design implementation plan is true? 640-861 6 21certify.com A. The implementation of a design must be overseen by the designer to ensure success. B. Implementation steps described in detail can be performed by a less-experienced engineer. C. Fallback steps can be reduced if a detailed pilot completes successfully. D. Many implementation steps can be performed simultaneously. Answer: B Q.12 You need to show proof of concept for a proposed new campus network that utilizes Layer 3 switching. The production network is business critical and no network disruptions are tolerated. Which approach should be used for this test? A. Pilot network B. Prototype network C. Live network D. Verification design Answer: B Q.13 You are helping a customer design some enhancements to her network for scalability and availability. You discover that all routers on her network are Cisco but many of her switches come from different vendors and are owned by the departments where they are located. She has an outsourcing agreement for the maintenance of the network equipment. This outsourced service vendor has implemented CiscoWorks with SAA to manage the network. What are three Service Level Management challenges that you would need to address in your design proposal? (Choose three) A. Your customer does not own the switches on the network. B. The switches and routers come from different vendors. C. She cannot utilize NetFlow on the network. D. She has no way to monitor SLA conformance. E. She does not manage the network with her own staff. Answer: A, B, E Q.14 Which solution can be deployed at the receiving end of a converged network to help smooth voice traffic that has been affected by variable delay? A. Dejitter buffers B. Higher compression C. Reduces compression D. Link fragmentation and interleaving 640-861 7 21certify.com Answer: A Q.15 What is a function of a firewall? A. Maintains separate routing information for each protocol supported on a router. B. Provides a security buffer between connected public networks and a private network. C. Provides user authentication between connected public networks and a private network. D. Reduces routing loops by preventing the flow of routing information to the source where that information was learned. Answer: B Q.16 Which three routing protocols have high speed convergence? (Choose three) A. RIPv2 B. IS-IS C. EIGRP D. BGP E. OSPF F. IGRP Answer: B, C, E Q.17 When designing IPv6 into an existing IPv4 network, which two strategies allow the two address schemes to coexist to facilitate a migration? (Choose two) A. Translate one protocol into the other. B. Encapsulate IPv6 packets into IPv4 packets. C. Bridge between the IPv6 IPv4 networks. D. Enable anycast capability in the routing protocol. Answer: A, B Q.18 Which two characteristics are affected by choice of codec when designing networks to carry IP telephony? (Choose two) 640-861 8 21certify.com A. Voice quality B. Silence packet handling C. Voice packet header size D. Bandwidth required for voice calls Answer: A, D Q.19 Encryption addresses which network security concern? A. Data integrity B. User authentication C. Data authentication D. Data confidentiality Answer: D Q.20 When designing a network that will incorporate fault management, you must incorporate components that will achieve which three goals? (Choose three) A. Incorporate intrusion detection B. Detect network error conditions C. Log network events D. Notify network administrators E. Discover network topology Answer: B, C, D Q.21 Which two inputs are required to determine the number of circuits needed from a PBX to a converged network when planning trunk capacity? (Choose two) A. Number of sites B. Busy hour traffic C. Average call duration D. Number of users per site E. Blocking probability (GoS) Answer: B, E 640-861 9 21certify.com Q.22 An Executive Summary contains all except which items? A. Benefits of the solution. B. Strategic recommendations. C. Purpose of the project D. Implementation considerations. E. Cost of the project. Answer: E Q.23 According to the Cisco SAFE Architecture, the Enterprise Campus consists of which modules? (Choose three) A. Server B. WAN C. Corporate Internet D. Building Distribution E. Core Answer: A, D, E Q.24 A company is expanding into a multinational organization and has hired a network consultant to assist them with planning a new network design. At a monthly presentation the consultant is going to recommend that the company use a routing protocol that will support a network design that cannot be structured into a hierarchy. Which routing protocol should he recommend? A. OSPF B. EIGRP C. IS-IS D. GR E. BGP Answer: E Q.25 While designing a network for a new client, the IS Manager informs you that the company is considering a hub and spoke topology with links that will be low bandwidth and rarely changing routes. Which of the following would you recommend? 640-861 10 21certify.com A. Static Routing B. Dynamic Routing C. IGRP D. RIP-2 E. AARP Answer: A Q.26 What is the third step in building a pilot network? A. Investigate the competition. B. Test the design. C. Practice the demonstration. D. Schedule and present the demonstration. E. Script a demonstration of the test results. Answer: E Q.27 To ensure that productivity remains high and the quantity of user complaints is low, network response time should be a maximum of? A. 150 milliseconds B. 50 milliseconds C. 25 milliseconds D. 100 milliseconds Answer: D Q.28 ABC Company is an auto parts distribution company. They have a single location with headquarters in one office building and three warehouses. Their customer base consists of 400 independent auto parts retailers, which connect through direct links to their network to access an ordering system. The servers and access routers connecting to the retail outlets are on a separate Ethernet VLAN in the headquarters campus. The retail outlets are complaining about poor response time when they connect to the ordering system. ABC wants you to help them plan some improvements to their network to increase the performance of their customers connections to the ordering system. What are two additional details about ABC’s existing network needed for this analysis? (Choose two) A. Router ACLs providing security to the servers. [...]... 21certify.com 64 0-8 61 18 A Header Length B Payload Length C Header Checksum D Traffic Class E Source Address F Version Answer: B, D, E, F Q.51 Steps for designing Network layer addressing and naming include all but the following: A Proposing a method for mapping geographical locations to router clusters B Developing a plan for configuring user station addresses C Designing a hierarchy for addressing D Designing. .. Typically implementations follow the L2-L3-L2 model in the Cisco Model Only w/o budget contraints is the L2-L3-L3 model used to provide extra features like redundancy in the Core Layer But in this case, since User A and B are in separate buildings, the L2-L3-L3 implementation is to be used What happens is that the packet will go from access -> distro -> core -> distro -> access No way to avoid that Q.83... 64 0-8 61 29 Answer: B Q.84 Match the submodules of the Enterprise Composite Network Model with the functions they would perform for a Voice Network design Answer: Building Access - IP phone power Building Distro - Concentrates wiring closets Campus Backbone - Fast packet switching Server Farm - Connections to call managers Q.85 Match the network management component with its function Answer: Agent -. .. affordable solution that will protect his system from intruders What are three technical goals of AAA Video with regard to this network design project? (Choose three) A Sell merchandise through the E-Commerce site B Real-time posting of sales C Network security measures D Hire two new network engineers E Upgrade to a high-performance LAN F Enhance service offerings Answer: B, C, E 21certify.com 64 0-8 61. .. would like to implement an inter-company workflow system for routing of electronic forms between FSI and its customers world-wide Again, security is the issue It would be wonderful if they can use the Internet for both these functions, but the new board of directors must be convinced FSI offices are in San Jose, California The project team assigned to customers has two sub-teams: the manufacturing and... in the future to video, 21certify.com 64 0-8 61 30 DVD and music sales on a worldwide level The company wants all stored to be connected to the central site through WAN links The company is upgrading the central inventory database so that sales and rentals can be posted immediately in real-time An Internet-based email and instant-messaging system will be set up for all headquarters employees and store... through a provider 35 miles away via a T1 Frame Relay 21certify.com 64 0-8 61 34 The school district needs to put phones in each classroom for compliance with the Safe-Schools initiative, but the cost is high and facilities are lacking In addition to the phones, the district would like to install video in each school for video conference and for distance learning in the high school Video partners will be... the activities in her home What IP addressing system would be most suitable for these end-systems? A Public IPv4 addresses B Private IPv4 addresses C A combination of Private and Public IPv4 addresses D Micro-IP addresses E IPv6 addresses Answer: B 21certify.com 64 0-8 61 13 Q.33 Why would you recommend classless routing protocols for a network? A Minimize convergence time B Increase security and availability... Communication is by telephone, e-mail, and even overnight package delivery 25% of FSI employees (3 8-4 0) people are housed at customer sites at any given time These field persons are in teams of approximately 8 people A Novell PC LAN on Ethernet is established for each team within the customers’ facilities with a dial-up Internet connection using Livingston router for e-mail In the San Jose office, FSI... summarization E Designing a scheme for naming servers, routers, and user stations Answer: A Q.52The routers on a network are being documented for a technical report Choose the items that should be included in his report (Choose three) A Interface error statistics B Router software revision C Router power requirements D Interface loads E Interface configurations Answer: A, B, E Q.53 Cisco Systems uses a three-layer . Cisco: Designing for Cisco® Internetwork Solutions (DESGN®) 64 0- 8 61 Version 6. 0 Jun. 17th, 200 3 64 0- 8 61 . budgeted $ 500 ,00 0 for the networking equipment and another $ 10, 000 /month for the WAN charges including a faster Internet connection. They believe that 256Kbps