21certify.com CISCO: Cisco® Internetwork Design (CID®) Exam 640-025 Version 6.0 Jun. 17th, 2003 640-025 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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Good studying! 21certify Exams Technical and Support Team 640-025 3 21certify.com Q.1 In a Novell environment, it is often a good idea to implement policies controlling resources access by configuring SAP filters A. On all routers. B. On access-layer routers. C. On distribution-layer routers. D. On core-layer routers. Answer: C Q.2 What does NetBIOS send to identify itself? A. Unicast. B. Multicast. C. Broadcast. D. SAP advertisement. Answer: C Q.3 Which of the following could be considered a "subarea" in the SNA hierarchy? A. Only Type 2 nodes. B. Only Type 3 nodes. C. An FEP with no peripheral devices hanging off it. D. Peripheral nodes like FEP's. Answer: C Q.4 A master domain trusts ______. A. No one. B. All other master domains. C. Only directly-connected master domains. D. All devices in the domain. Answer: A 640-025 4 21certify.com Q.5 What happens after an SNA SSCP-LU and SSCP-PU connection is made? A. An LU-LU session occurs. B. An LU-PU session occurs. C. A PU-PU session occurs. D. Nothing, because this should never occur. Answer: A Q.6 Which of the following is not an RSRB encapsulation protocol? A. PPP B. TCP C. Frame Relay D. IP FST E. Direct F. Local SRB Answer: A Q.7 Which is the remote LAN access connectivity method use for a specific purpose (ie, email)? A. Remote gateway. B. Remote control. C. Remote virtual LAN. D. Remote node. Answer: A Explanation: Incorrect answers: B: C: D: Q.8 Of the following routing functions, which has a unique purpose from the others? A. Holddown. B. Hot standby. 640-025 5 21certify.com C. Count-to-infinity. D. Poison reverse. Answer: B Q.9 In a Frame Relay network, what issue occurs due to routing protocols using split horizon? A. A full mesh topology is required, which requires a lot of configuration. B. Routers report Frame Relay errors due to routing updates not being forwarded C. Connectivity between networks is limited in a partial-mesh. D. No routing traffic is sent to peer routers. Answer: C Q.10 What is the fundamental aspect in a firewall design? A. Host security. B. Data compression. C. Company policy. D. Access to services. Answer: C Q.11 If you turn off the IGRP holddown timer, you can ______. A. Reduce the time to detect carrier loss. B. Introduce problems because of bad routes. C. Reduce the likelihood of routing loops. D. Reduce convergence time. Answer: D Q.12 When selecting an IP addressing scheme for a client with thousands of nodes you should ______. A. Use a scheme that will permit classless routing. B. Use a scheme that will permit mirroring. C. Use class C addresses. D. Use a scheme that will permit variable-length subnet masks. 640-025 6 21certify.com Answer: A Q.13 Which of the following AppleTalk designs is most scalable? A. AppleTalk Phase 3. B. AppleTalk Phase 2 implemented everywhere; enhanced IGRP used on WANs and RTMP used on LANs. C. Use AURP because with AURP only routing table updates are sent. D. Use RTMP but reduce the time between updates. Answer: B Q.14 A hierarchical mesh design for nonbroadcast multiaccess X.25 and Frame Relay ______. A. Does not use full-mesh design techniques. B. Permits full connectivity but minimizes virtual circuits. C. Lets traffic cross an X.25 network only once. D. Must be used to solve split horizon issues. Answer: B Q.15 Out-of-band call setup is accomplished in StrataCom environments by ______. A. The Intelligent Network Server (INS). B. Soft PVCs. C. FastPacket call setup protocol. D. Signaling System 7 (SS7). Answer: A Q.16 NetBIOS end stations use names to communicate with servers. Device names on the network are learned through extensive use of ______. A. ARP request. B. Static mapping. 640-025 7 21certify.com C. Data-link layer broadcasts. D. DHCP servers. Answer: C Q.17 At what layer does ZIP work? A. Application B. Network C. Transport D. Session E. Data Link Answer: D Q.18 If you have SNA clients, the mainframe, and the FEP all in the same location and only one path to the FEP, which of the following could you use? A. APPN B. Proxy Explorer C. RSRB D. DLSW Answer: B Q.19 Which of the following features would most likely be implemented on a router at the access layer in the hierarchical design model? A. Header, link, and payload compression. B. Filtering by area, network, and zone. C. Proxy services. D. Optimized wide-area transport. Answer: C 640-025 8 21certify.com Q.20 In a SNA network with RSRB, TCP encapsulation is used for LOCAL ACK to ______. A. Determine subnet scopes. B. Determine distance to gateway. C. Integrate UNIX support. D. Ensure guaranteed delivery. Answer: D Q.21 A multiport router with one LAN and several WAN connections would be used for ______. A. A small home/office with a few users. B. Very secure connections. C. Remote gateway applications only. D. Power users in hotel rooms. Answer: C Q.22 When gathering data for a new internetwork design, you should: A. Develop an understanding of business information flow. B. Develop the internetwork structure and topology. C. Pay no regard to corporate politics. D. Configure internetworking devices. Answer: A Q.23 What are the two Internetwork design goals that most often are a tradeoff? A. Designing a scalable network and maximizing network availability. B. Meeting the customer’s business requirements and maximizing network availability. C. Keeping the costs down and maximizing network availability. D. Using state-of-art solutions and maximizing network availability. Answer: D 640-025 9 21certify.com Q.24 Major network numbers are subnetted, at a fixed length, to provide: A. Greater administrative control of traffic. B. A greater number of hosts per segment. C. Better utilization of addressing space. D. An easy conversion between binary and decimal numbers. Answer: A Q.25 Which of the following items is not a consideration when selecting a routing protocol for an internetwork? A. The complexity of converting from the current routing protocol. B. The ability to support variable length subnet masking. C. The ability to support a wide variety of user applications. D. The time for the network o converge after a topology change. Answer: C Q.26 When estimating bandwidth used by a routing protocol, which of the following questions is least relevant? A. What path metrics are supported? B. How often are routing updates transmitted? C. What data is transmitted in routing updates? D. Is snapshot routing supported? Answer: A Q.27 Variable-length subnetting: A. Permits a subnet mask that does not have the standard 32-bit length. B. Is best designed by further subnetting one regular subnet. C. Is not usually used in serial links. D. Is recommended so that you can have numerous subnet masks for a given network. Answer: D 640-025 10 21certify.com Q.28 Which factor involved in network design controls how security is implemented? A. Product availability. B. Policy. C. Bandwidth requirements. D. Performance. Answer: B Q.29 Redundant SNA front-end processors A. Must have different MAC addresses. B. Let a user’s workstation send requests to either front-end processor during an established session. C. Provide redundancy and load balancing on a connection-by-connection basis. D. Can have the same MAC address when connected to the same Token Ring network. Answer: C Q.30 When using the Internet as a remote access methods: A. Each organization has a virtual private network implemented by a tunneling protocol. B. All organizations share a single virtual private network using the layer-2 forwarding protocol. C. A virtual private network is created using IP routing protocols and a GRE tunnel. D. The user simply accesses the private corporate network through a domain name. Answer: A Q.31 In remote access designs, the four main concerns are A. Availability, cost, speed, distance. B. Cost, applications, speed, distance. C. Distance, speed, modem type, and cost. D. End-station type, cost, availability, speed. Answer: A [...]... D Q.123 Which of the following is one aspect of the Internetwork design step of developing the Internetwork structure? A Designing a name space B Monitoring network performance C Assessing costs and risks D Analyzing user requirements Answer: D Q.124 Which of the following is not a characteristic of a well-designed core layer in the hierarchical design model? A Manageability B User services support... E Audit trails Answer: B Q.77 Which of the following corporate policies is least relevant to internetworking design? A List of approved vendors B Email privacy guidelines C Distributed authority for device naming and addressing D Distribution of mission-critical operations Answer: B Q.78 You are designing an internetwork for a customer who has given you information requirements, new access requirements,... extent of the LAN emulation services provided by the router Answer: D Q.82 After implementing a new internetwork design you should A Develop the internetwork structure B Monitor network performance 21certify.com 640-025 C Analyze business and technical requirements D Configure routers Answer: B Q.83 To design a cost effective mesh network, which technology would you most likely use? A SONET B ISDN... advantage to controlling internetwork diameter? A Predictable latency B Complex topologies supported C Limited broadcast forwarding D Improved load balancing Answer: C Q.122 Which of the following is not a rule associated with the hierarchical design model? A Use a consistent number of layers throughout the internetwork B Use consistent bandwidth links within each layer of the model C Design the core for... A B C D The Cisco term arpa is equivalent to the Novell term ETHERNET_802.3 and means an Ethernet version II frame with an Ethertype and no 802.2 header The Cisco term novell-ether is equivalent to the Novell term ETHERNET_802.3 and means an 802.3 header with no 802.2 header The Cisco term sap is equivalent to the Novell term ETHERNET_802.2 and means an 802.3, 802.2, and SNAP header The Cisco term arpa... Redundancy and fault tolerance D Fast convergence time Answer: B Q.125 A typical internetwork design goal is to: A Minimize the size of an internetwork B Analyze business requirements C Maximize scalability D Maximize client/server traffic Answer: C Q.126 Which of the following approaches is not an aspect of a secure network design? A Data encryption B Access management C Data compression D Firewall devices... environments Answer: A Q.57 OSPF virtual links that connect an area to the backbone through another area: A Are a normal component of a hierarchical design B Have better performance than normal links C Simplify the design and configuration D Can be avoided in a good design Answer: D Q.58 When a router provides connectivity between two different switched subnets, configure the router to use: A B C D Broadcast... and ticks when advertising routes that were learned from IPX RIP Enhanced IGRP tracks the IPX routing metrics as external metrics IPX can learn about IP routes Answer: C Q.60 Internetwork design models: A B C D Simplify complex design problems Are described in many text books and user manuals Are static because basic technologies do not change often Include router configuration guidelines Answer: A... a Cisco router B Can be done by using Enhanced IGRP instead of IPX RIP C Cannot be done D Has no effect on network performance Answer: B Q.114 When assigning a logical address to a network segment, which layer of the OSI model is used? A Layer two B Layer three C Layer four D Layer seven Answer: B 21certify.com 640-025 32 Q.115 One of the most critical design elements in a implementing a network design. .. beaconing on an Ethernet segment C The time it takes for routers to send triggered updates D Internetwork diameter Answer: B 21certify.com 640-025 36 Q.131 A Cisco router can be configured to perform the network address translation function; this software feature is first available in which version of the Cisco IOS? A B C D 11.0 11.1 11.2 11.3 Answer: C Q.132 Which of the following rules is least relevant . 21certify.com CISCO: Cisco Internetwork Design (CID®) Exam 640-025 Version 6.0 Jun. 17th, 2003 640-025 2 21certify.com. scheduled exam date. Important Note: Please Read Carefully This 21certify Exam has been carefully written and compiled by 21certify Exams experts. It is designed