Fravo.com Certification Made Easy MCSE, CCNA, CCNP, OCP, CIW, JAVA, Sun Solaris, Checkpoint World No1 Cert Guides info@Fravo.com Designing Cisco Network Services Architecture Exam 642-871 Edition 1.0 © Copyrights 1998-2005 Fravo Technologies All Rights Reserved 642-871 Congratulations!! You have purchased a Fravo Technologies Study Guide This study guide is a complete collection of questions and answers that have been developed by our professional & certified team You must study the contents of this guide properly in order to prepare for the actual certification test The average time that we would suggest you for studying this study guide is approximately 15 to 20 hours and you will surely pass your exam We guarantee it! GOOD LUCK! DISCLAIMER This study guide and/or material is not sponsored by, endorsed by or affiliated with Microsoft, Cisco, Oracle, Citrix, CIW, CheckPoint, Novell, Sun/Solaris, CWNA, LPI, ISC, etc All trademarks are properties of their respective owners Guarantee If you use this study guide correctly and still fail the exam, send a scanned copy of your official score notice at: info@fravo.com We will gladly refund the cost of this study guide or give you an exchange of study guide of your choice of the same or lesser value This material is protected by copyright law and international treaties Unauthorized reproduction or distribution of this material, or any portion thereof, may result in severe civil and criminal penalties, and will be prosecuted to the maximum extent possible under law © Copyrights 1998-2005 Fravo Technologies All Rights Reserved http://www.fravo.com http://www fravo.com 642-871 Note 1: Answers to the unanswered questions will be provided shortly Note 2: Section A contains 73 questions Section B contains 263 questions The total number of questions is 336 Section A QUESTION Which step would you last in the Enterprise Campus Design Methodology? A Design the physical network B Select the routing protocols C Determine the data and application requirements D Design the edge distribution module E Select an IP addressing strategy and numbering scheme Answer: QUESTION Where would you locate the device for the Management Module and Server Farm? A In the Administration building B In the Engineering building C In the Information-processing building D In all buildings Answer: QUESTION What is the definition of a fault tolerant device? A A backup path exists for every link between the client and the server B Key components can be replaced within the device without turning off power C A backup device exists for every device between the client and the server D Devices can be replaced in the network without interrupting the network operation E The device provides redundant backup within the device for each of its key components Answer: QUESTION What is the first step in the Enterprise Edge design methodology? A Select a service provider B Select a Layer technology C Select a Layer technology D Characterize applications Answer: QUESTION Which three components would you expect to find in the VPN/Remote Access module?(Choose three) A PSTN B Access server C ISDN D IDS E Firewall Answer: http://www fravo.com 642-871 QUESTION Which requirement for an Enterprise Campus network is associated with the increasing amountof users, data, and applications that the network must expand to support? A Functionality B Performance C Scalability D Manageability Answer: QUESTION Exhibit: What is the VPN topology shown in the graphic? A Full-mesh VPN B Hub-and-spoke VPN C Hierarchical VPN D Private WAN Answer: QUESTION Which three modules of the Enterprise Network model will you include in your design? (Choosethree) A The Campus Core module B The Edge Distribution module C The Management Module D The Corporate Internet module E The Server Farm module F The building Distribution module Answer: QUESTION Contoso is a small company that has a campus consisting of three buildings that are 150 feet apart The buildings are connected with single-mode fiber using fast Ethernet Access to the network is provided by 10 Mbps hubs with 100 Mbps Ethernet uplinks over multi-mode mode fiber to a switch within each building.There are over 200 users connected to the hubs by Category wiring Management has asked for a new network design that considers scalability, performance, availability, manageability, and security Because Contoso is a small company, cost is a major factor.What wiring infrastructure recommendations would you include in your network design? A Install Category 5e copper to the desktop from the wiring closets B Install multi-mode fiber to the desktop from the wiring closets C Replace the multi-mode fiber within the buildings with single-mode fiberD Maintain the current wiring structure Answer: QUESTION 10 Which high availability design relies more on networks than devices? A Clustering B Fault tolerance C Redundant topology D Parallel processing http://www fravo.com 642-871 E Tripe modular redundancy Answer: QUESTION 11 What is the recommended maximum number of clients that an individual wireless access pointshould support? A Between and B Between 10 and 30 C Between 32 and 48 D Between 64 and 96 Answer: QUESTION 12 To keep complexity of VLAN design to a minimum, you would choose which of thefollowing? A Use campus wide VLANs B Use building distribution level VLANs C Use per-switch VLANs at the access layer D Use VLANs in the campus backbone Answer: QUESTION 13 When using Cisco equipment, what model is used if you are connecting PBX systems that usenonstandard signaling? A Translate model B Transport model C Cross over model D Trans -cross model Answer: QUESTION 14 What are two business concerns increasing the need for remote access? (Choose two) A The increased cost of office space B The ability to provide a more flexible work environment C The need for authentication D The need for a method to charge back department cost Answer: QUESTION 15 Which recommendations would you make based on the provided parameters? (Choose two) A Use existing copper wiring to the desktop B Use existing copper wiring between buildings C Use single mode fiber to the desktop D Use multi-mode fiver to the desktop E Use single mode fiber between buildings F Use multi-mode fiver between buildings Answer: http://www fravo.com 642-871 QUESTION 16 Which four components are part of the Enterprise Edge functional area in the EnterpriseComposite Network Model? (Choose four) A Internet connectivity B Management module C VPN/Remote access D WAN module E Server farm Answer: QUESTION 17 What are two advantages of designing a high availability network based on a redundantnetwork topology? (Choose two) A The cost of the network is reduced B Network availability can be guaranteed C Redundant topologies are easier to manage and troubleshoot D The traffic load can be shared between primary and secondary paths E The probability of problems with the physical environment interrupting service is reduced Answer: QUESTION 18 What are two considerations in planning for high availability? (Choose two) A Company size B Hardware costs C Cost of downtime D Performance requirements Answer: QUESTION 19 What four functions does Web Cache Communication Protocol (WCCP) incorporate? (Choosefour) A Load balancing B Scalability C Remote management D Fault tolerance E Network address translation F Service assurance Answer: QUESTION 20 Which three objectives meet the requirements for the Server Farm module? (Choose three) A Provide remote dial-up access B Provide up to 10 Gbps of outbound capacity C Provide scalability with switches and server load balancing D Provide availability with overall network design E Provide high switch port density Answer: QUESTION 21 What are two considerations to using IP Multicast delivery? (Choose two) http://www fravo.com 642-871 A No congestion avoidance B Not for bandwidth intensive applications C No guaranteed delivery mechanism D Source sends multiple data streams out each interface E Ordered delivery of packets Answer: QUESTION 22 Contoso wants you to design and implement a new Server Farm module with high availability and performance.Which three technologies would you implement at the Server Farm Distribution layer? (Choose three) A Mid-range switches B Server load balancing C Redundant firewalls D Redundant switching and links with no single paths or points of failure E Caching systems where appropriate Answer: QUESTION 23 What helps maximize throughput in a wireless LAN? (Choose two) A Minimize broadcast B Enable IPSec C Increase size of roaming domains D Use static WEP E Filter multicast traffic Answer: QUESTION 24 What are the two basic approaches for high-availability design? (Choose two) A Redundant Topologies B Fault Tolerant Devices C Public bandwidth sharing D Extremely high MTTR E Extremely low MTBF Answer: QUESTION 25 What does the Cisco IP phone set the CoS/ToS value for voice packets to? A B C D Answer: QUESTION 26 Which component of high availability architecture includes a good software version controland device configuration control? A Network design B Operational best practices C Device-level hardware reliability http://www fravo.com 642-871 D Fault management and diagnosis Answer: QUESTION 27 What is a primary tool to provide perimeter security to a network? A VPN B L2TP C Kerberos D Content filter Answer: QUESTION 28 What are two possible advantages of designing a high availability network based on aredundant network topology? (Choose two) A The cost of the network is reduced B Quality of service can be guaranteed C Redundant topologies are easier to configure D The secondary path can automatically take over for the primary path E Individual network device fault tolerance is less critical Answer: QUESTION 29 Which two characteristics drive the choice of a Layer technology for WAN, remote, orInternet access at the Enterprise Edge? (Choose two) A Services offered by the provider B Layer technology C Layer media D Transportability E Loss Answer: QUESTION 30 The list on the left contains characteristic and applications that are consistent with either theSAN or NAS storage network model Drag each option to the appropriate box Answer: QUESTION 31 Which ATM service class is appropriate for traffic that cannot tolerate delay or loss? A Available Bit Rate (ABR) B Unspecified Bit Rate (UBR) C Real Time Variable Bit Rate (rt-VBR) D Constant Bit Rate (CBR) E Non-Real Time Bit Rate (nrt-VBR) Answer: QUESTION 32 Which three application characteristics are important to the Enterprise Edge design process?(Choose three) A Data content http://www fravo.com 642-871 B Bandwidth usage C Database size D Delay sensitivity E Loss tolerance Answer: QUESTION 33 Scalability is provided in the server farm module by which of the following strategies? A Up to 10 Gbps of bandwidth at the access level B Redundant servers at the access level C Modular block design at the access level D High port densities at the access level Answer: QUESTION 34 Users of a site-to-site VPN are reporting performance problems The VPN connection employsIPSec and GRE and traverses several Ethernet segments The VPN packets are being fragmented as theytraverse the links What would be two methods to overcome this problem? (Choose two) A Employ path MTU discovery B Set the MTU higher than 1500 bytes C Turn off pre-fragmentation for IPSec D Set the MTU value to 1400 bytes Answer: QUESTION 35 What can be done to limit area coverage of a wireless access point to provide added security? A Lower Mbps data rates B Increases Mbps data rates C Group access point frequency channels D Enable multicasting Answer: QUESTION 36 When dealing with transparent caching, where should the Content Engines be placed? A Close to the servers B Close to the end users C At the Internet edge D In front of web server farms Answer: QUESTION 37 In which four environments would OSPF be a viable choice for a routing protocol? (Choosefour) A Authentication is required B Load balancing between multiple routes is required C Fast convergence is necessary D External routes are not a concern http://www fravo.com 642-871 E NBMA connections exist F The network is non-hierarchical Answer: QUESTION 38 Note: The following questions relate to the scenario below: Contoso is manufacturer and importer of fasteners, including nuts and bolts The main campus is composed ofthree buildings that are less than 200 meters apart All campus wiring is Category 5e copper Network accessand distribution devices are currently 100 Mbps hubs, and the core is a 100 Mbps Layer-2 switch Developmentof the network has taken place over the past eight years in a series of steps that involved minimal planning, withthe exception of the WAN links, which have been recentlyredesigned The current network is characterized by slow response and frequent outages The engineering department uses a database server located in the engineering building This server processes heavy local trafficthat keeps the local network at 70% of bandwidth Accounting uses commercial package for general ledger,accounts payable, and accounts receivable; these packages are located on a server in the administrationbuilding This server processes heavy local traffic and light traffic from other buildings All other servers arelocated in the information-processing center All employee use e-mail located on one server in the information-processing center There is a web server that is available for public use and an internal web server that is available to employees for company news items and for human resource applications, such as an internal jobs-available database The external web server is in a new Corporate Internet module.The internal network traffic is expected to grow at 10% per year for the next five years The IT manager of Contoso has asked you to design an up-to-date, high-performance, scalable, secure, manageable, and reliable campus network to meet the strategic goals of Contoso Finances are limited, so the design needs to meet requirements but with minimum cost QUESTION 39 Redundancy requirements of the WAN from the branch office to a regional office depend onwhich two chara cteristics? (Choose two) A Routing requirements B Critical importance of the site and the number of users C Impact if the site is an aggregation point D Impact of the site is offline or unavailable Answer: QUESTION 40 Which protocol can be used to provide WLAN redundancy and low downtime? A EAP B SNMP C WEP D HSRP Answer: QUESTION 41 Which codec is recommended for higher quality voice over a data network? A G.711 B G.723 C G.726 D G.728 E G.729 http://www fravo.com 642-871 A The time to detect carrier loss on a serial link B The time to detect beaconing on an Ethernet segment C The time it takes for routers to send triggered updates D Internet work diameter Answer: B QUESTION 152 If the network security policy includes a firewall router, the router should be configured to: A Reject packets from the outside that contains the companies internal addresses in the destination address field B Reject packets from the outside that contain the companies internal addresses in the source address field C Allow virtual terminal port session for troubleshooting purposes D Bypass traffic filters because traffic filters impact the router's ability to rapidly forward traffic Answer: B Explanation: Per the Cisco Internet work Design version 3.0 courseware, P 7-32 in the main slide "Deny packets from outside your network that claim to have a source address inside your network" This is called spoofing QUESTION 153 Which of the following is not a rule for X.25 network design? A Use X.25 switching to provide X.25 services over an IP backbone B Use LMI signaling that is compatible with your X.25 carries C Use static routing over reliable X.25 WAN circuits D Use a hierarchical design to scale an X.25 nonbroadcast multi-access WAN Answer: B Explanation: LMI is used for Frame-Relay, not X.25 Also, you can Cisco switches to be X.25 switches if you need X.25 on your IP network, so A is correct QUESTION 154 In Novell IPX networks, split horizon can be disabled for A EIGRP B SAP C RIP Answer: A QUESTION 155 IGRP's routing metrics can be based on _ A Bandwidth which is defined as the largest B Delay which varies as the network gets larger C Smallest MTU from here to the destination D Bandwidth delay reliability and loading Answer: D QUESTION 156 When choosing encapsulation for a serial link, you should remember that A Cisco's HDLC is not compatible with other vendors' HDLC B Link access Procedure, Balanced is recommended if upper layers are handling error control C Cisco's PPP is not compatible with other vendors' PPP 44 http://www fravo.com 642-871 D Link Access Procedure, balanced is recommended for IPXWAN Answer: A QUESTION 157 When using remote control: A The remote PC takes over control of a PC attached to a LAN at the central site, which must be turned on B The remote PC takes over control of a PC attached to a LAN at the central site, which is powered on by the local modem C The remote PC takes over control of a PC attached to a LAN at the central site, which must provide a secure connection D The remote PC takes over control of a PC attached to a LAN at the central site, which then can only run a single application for the session Answer: A QUESTION 158 Unlike LANs, Frame Relay does not inherently support broadcasts What can be done in a Frame Relay network to support protocols that require broadcasts? A To stimulate a broadcast LAN, inverse ARP can be used B A nonbroadcast multi-access model can be used, which eliminates the need for broadcasts C Routers connected by a mesh of Frame Relay circuits can copy broadcast to peers D A solution to this issue has not yet been developed Answer: C QUESTION 159 For robust routing over an X.25 core network use A X.25 switching B LMI signaling C Point-to-point sub interface configuration D A generic route encapsulation (GRE) tunnel Answer: C QUESTION 160 Novell split horizon for RIP and SAP A Never needs to be disabled B Cannot be disabled C Can be disabled with NLSP D Can be disabled with Enhanced IGRP Answer: B QUESTION 161 Which protocol would you recommend to connect a Novell server to a Cisco router over a serial link? A IPX over PPP B IPXWAN over PPP C IPXWAN over HDLC D IPX over HDLC Answer: B QUESTION 162 In Novel IPX Networks, clients generate to locate servers 45 http://www fravo.com 642-871 A SAP advertisements B Unicast service requests C SAP broadcasts D Name queries Answer: C QUESTION 163 One reason to recommend DLSw instead of RSRB in an SNA Token Ring environment is that A DLSw is an industry standard B DLSw supports LLC2 termination C DLSw uses RIF pass-through so the complete end-to-end RIF is visible to a protocol analyzer D DLSw reduces LLC2 traffic on the core WAN network Answer: A QUESTION 164 The BPX uses a A Redundant 9.6-Gbps cross point switch matrix B Single 9.6-Gbps cell switching bus C Redundant 9.6-Gbps cell switching bus D Single 9.6-Gbps cross point switch matrix Answer: A QUESTION 165 All apple talk routers on a LAN network should be configured as A Hard-seed routers B Soft-seed routers C Soft-seed routers with discovery enabled D Nonseed routers Answer: D QUESTION 166 Which of the following statements best describes SNA sessions? A SNA sessions are connection oriented and implement flow control B SNA session use LLC type on Token Ring networks C SNA sessions are controlled at the Character Transport Architecture (CTA) layer D SNA sessions rely on the application layer to implement flow control Answer: A QUESTION 167 Sub interface configuration for partial-mesh X.25 networks A Is not supported by Cisco B Eliminates nonbroadcast multi-access issues related to split horizon C Uses many IP network numbers since each sub interface must map to a network D Is quite different from per-virtual-circuit routing Answer: B QUESTION 168 In a Windows Networking design, se ting how NetBIOS application traffic is carried is criticalbecause 46 http://www fravo.com 642-871 A It must be routed B It must be bridged C It can be bridged or routed D It looses sessions on low-speed WAN links Answer: B Explanations: NetBIOS application traffic cannot be routed QUESTION 169 When designing and deploying Windows-based networks, which of the following characteristics requires the most consideration? A The flat, bridged network expected by protocol designers B The large amount of broadcast traffic required by NetBIOS C The maintenance of NetBIOS session across WAN links D The logical grouping of clients and servers into domains Answer: B QUESTION 170 When designing a medium to large-scale network, encapsulating NetBIOS inside of TCP/IP (NBT) is a requirement when? A A Novell IPX stack is also configured on the end station B There are wide-area links C Session loss is concern D Bridges connect the different segments together Answer: B QUESTION 171 _ is supported by routers but not bridges A Bit-reversal of MAC addresses B Address summarization C Network management D Protocol translation Answer: B QUESTION 172 Which of the following statements about VLANs is true? A VLANs divide up broadcast domains B VLANs make security harder to handle C VLANs require IEEE 802.10 D VLANs cannot be geographically dispersed Answer: A QUESTION 173 Campus LAN problem can be put into which three categories: A Media, contention, and transport B Media, scaling, and bandwidth C Media, protocols, and transport D Media, addressing, and protocols Answer: C 47 http://www fravo.com 642-871 QUESTION 174 Tunneling Apple Talk through an IP network: A Improves Apple Talk performance B Might be necessary if policies require that only IP is allowed C Should be configured in a ring topology D Is automatic and requires no configuration Answer: B QUESTION 175 ATM LAN emulation A Lets ATM use common LAN protocols such administrator CSMA/CD B Will be required for the future ATM virtual router model C Allows LAN stations to treat the ATM virtual router model D Supports a workstation sending an LE-ARP to the LAN Emulation Configuration Server Answer: A QUESTION 176 What is a disadvantage of using LMHOSTS name resolution? Answer: A lot of manual configuration is required QUESTION 177 According to RFC 1490 for Frame Relay Answer: Both bridged and routed traffic can be carried over Frame Relay QUESTION 178 Which of the following statements is not true? Answer: For a power use, the hardware needed could be a Cisco 2500 series router with ISDN PRI interface QUESTION 179 In a Windows networking environment, a domain is distinguished from a workgroup by the A More wide-spread geographic grouping of clients and servers B Presence of greater administrative and security controls C Presence of an NT server D Use of arbitrary named for the user groups and user IDs Answer: B Explanation: The Cisco Internet work Design version 3.0 courseware, P 14-6: "Domains are a more formal entity" they are created and managed by process call a Primary Domain Controller (PDC), which runs on a Windows NT server Each domain must have at least one NT server and has administrative and security properties that workgroups not have" Now it is true that they state that an NT server is required, but we all know that a NT server can work in workgroup mode too So you could have a network with several NT servers, along with Windows 98 machines for example, all working in a workgroup But when you turn one of those NT servers into a domain controller, you have a presence of greater administrative and security controls QUESTION 180 The fundamental reason one may choose Frame Relay as the WAN architecture is Answer: To save money and reduce latency 48 http://www fravo.com 642-871 QUESTION 181 What is not a recommended transport protocol for SDLC Tunneling (STUN)? Answer: Between two Cisco routers on a serial line, use PPP QUESTION 182 Which of the following are not campus LAN technical issues? Answer: Selection of an appropriate vendor for routers Selection of a protocol such as Frame Relay, X.25 or SMDS QUESTION 183 Which of the following is true of multicast services? Answer: Multicasts routers use IGMP to determine which hosts belong to which groups QUESTION 184 In a well-designed IPX network, Answer: SAP packets are controlled at the source in the access layer, while IPX resources are controlled at the distribution layer QUESTION 185 Summarize 158.70.35.0, 158.70.36.0, 158.70.37.0 and 158.70.35.0 and give the subnet mask Answer: 158.70.35.0/21, subnet mask is 255.255.248.0 QUESTION 186 If you use Internet DNS, must be on the same server as the DNS Answer: WINS QUESTION 187 NetBIOS communicates with Answer: The NICs on PCs QUESTION 188 Turing off the IGRP hold down timer will Answer: Reduce convergence time QUESTION 189 What is the only single use of a remote gateway? Answer: To send e-mail to a remote area QUESTION 190 Which of the following is true regarding AURP? Answer: You can tunnel DDP in IP Datagrams QUESTION 191 When using redundant FEPs, Answer: You can have the same MAC address on both FEP's QUESTION 192 ATM LAN Emulation (LANE) Answer: Allows LAN stations attached via ATM to treat the ATM network like a broadcast medium QUESTION 193 What is the difference between a workgroup and a domain? (Choose two) 49 http://www fravo.com 642-871 Answer: Workgroups can be any logical collection of computers Any computer can join an existing workgroup or can be used to create one QUESTION 194 To most effectively use the capabilities of each device in an MMP environment the process server should be A A separate router with a RISC based processor to offload packet reassembly from the access servers B A router that is integrated into an access servers C A separate router with a RISC based processor that does not run the Stack group Bidding Protocol (SBP) to offload packet reassembly from the access server D A LAN switch with a RISC based processor to offload packet reassembly from the access servers Answer: A QUESTION 195 The Microsoft LAN services Browser feature allows a user to locate other users and servers; this lookup feature requires that A All clients and servers register their NetBIOS name periodically B All clients and server only use NetBEUI as the transport method C All devices are on the same physical media segment D A name translation gateway be available in the network Answer: A QUESTION 196 In Windows networking with NetBIOS over TCP/IP(NBT), the broadcast method for name resolution uses Answer: LAN Services Browser QUESTION 197 In an AppleTalk design network Answer: RTMP is preferable on LANS, while EIGRP or AURP can be used on WANs QUESTION 198 Which of the following features since IOS 11.2 support private networks (as defined in RFC 1597/1918) to connect to the Internet? Answer: Network Address Translation (NAT) QUESTION 199 Which of the following is not true with respect to using EIGRP in an IPX network? Answer: Route redistribution has to be configured manually QUESTION 200 When deploying NetBIOS over IPX Answer: The most scalable method to control NetBIOS is to use filtering by name QUESTION 201 Which of the following regarding VLANs is true? Answer: Divide up broadcast domains QUESTION 202 Which of the following protocols uses both bandwidth and delay as a path metric? 50 http://www fravo.com 642-871 A IGRP B RIP C OSPF D EGP Answer: A Cisco Internet work Design, Page 187 QUESTION 203 An advantage of controlling internet work diameter is Answer: Limited broadcast forwarding QUESTION 204 Your client is using SNA via RSRB to connect to an SNA mainframe Sessions are disconnecting at the rate of a couple per hour What remedy should you recommend? Answer: Use local ACK QUESTION 205 When is a multi-protocol WAN backbone appropriate? Answer: To avoid performance problems caused by tunneling QUESTION 206 Which of the following is true of GNS queries? Answer: The router will respond to GNS queries in a round-robin method QUESTION 207 What is true of NLSP? Answer: It is recommended that you not exceed 400 routing nodes in a single NLSP area QUESTION 208 Which of the following is not a feature of AURP routing? A Tunneling through IP Internets and other network systems B Remapping of remote network numbers to resolve numbering conflicts C Sending the routing table only when a change occurs to reduce traffic on Ethernet and token ring LANs D Hop-count reduction to allow the creation of large internet works Answer: C QUESTION 209 The broadband ATM Switch used in large high capacity network is Answer: BPX QUESTION 210 When you need to provide X-25 services over an integrated IP backbone Answer: Use Cisco routers as X-25 switches QUESTION 211 Which of the following statements is true regarding transport for RSRB? A Frame Relay encapsulation results in high overhead due to protocol translation B IP encapsulation uses a TCP/IP header C Use direct encapsulation for low overhead in mesh networks D For the lowest overhead, use no encapsulation if the topology supports it 51 http://www fravo.com 642-871 Answer: D (?) QUESTION 212 Describe media contention Answer: Excessive collisions on an Ethernet segment QUESTION 213 You are using NLSP and are experiencing heavy traffic volume What can you use to resolve this problem? Answer: Decrease the number of nodes to 400 or less in each NLSP area QUESTION 214 Which of the following is true regarding the remote mode method? Answer: A user connects to the local LAN QUESTION 215 IPX routers in a flat design can have nodes Answer: 48 QUESTION 216 IGX switches use which cell switching? Answer: Redundant 1.2 Gbps cell switching bus with 8, 16, or 32 slots QUESTION 217 If you are using NetBIOS over TCP/IP(NBT), Answer: Each computer must be configured with a valid IP address QUESTION 218 The hierarchical model for internet work design A Alleviates concerns about internet work diameter B Defines the number of allowed hops in an internet work C Applies to large internet work, but not small internet works D Helps a designer implement scalable internet works Answer: D QUESTION 219 Your internet work design client specified that the selected IP routing protocol must adhere to recent industry standards and must scale to a large size Which routing protocol will you must likely recommend to your client? A RIP B IGRP C OSPF D EGP Answer: C Cisco Internet work Design, Page 183, 543 QUESTION 220 NETBIOS over TCP/IP Answer: Is a highly scalable preferred method for Windows networking Explanation: Cisco recommends NetBIOS over TCP/IP for Windows networking since it is highly scalable NetBIOS over NetBEUI is less scalable compare to NetBIOS over TCP/IP QUESTION 221 What is the purpose of IP Exchange? 52 http://www fravo.com 642-871 Answer: To provide access to the Internet and other IP-based resources without installing an IP stack on every Novell client QUESTION 222 What is not true of APPN? Answer: It needs the mainframe for sessions between end users QUESTION 223 Choose the true statements related to the Microsoft LAN Services Browser: Answer: Clients register their names periodically by sending broadcasts Computers send broadcasts to elect a browse master QUESTION 224 If you have to select an IP address scheme for a network with thousands of networks, use Answer: A scheme that permits VLSM QUESTION 225 Which of the following statements is most correct? Answer: Split horizon cannot be disabled in IPX RIP QUESTION 226 What is true regarding Windows networking? Answer: Clients and servers share the same media in a single broadcast QUESTION 227 NetBIOS over IPX is also called Answer: NWLink QUESTION 228 Which of the following apply to broadcast and bandwidth domains? Answer: A bandwidth domain may be thought of as a domain consisting of all that is associated with a bridge/switch, whereas a broadcast domain may be thought of as a domain consisting of all that is associated with a port in a router QUESTION 229 What is the long-term goal of ATM? Answer: End-to-end connectivity with ATM and extension of LANE over WAN QUESTION 230 When using the Remote mode method Answer: The users connect to the local LAN and have the same environment as local users except for line speed QUESTION 231 The function of Distribution layer is Answer: To provide network security for access to services and restrictions of network advertisements by routing protocols including route summarization QUESTION 232 When would you use an AppleTalk Zip Reply Filter? Answer: To hide zones between different areas QUESTION 233 In SNA, a LU-LU session occurs 53 http://www fravo.com 642-871 Answer: After the SSCP -LU and SSCP-PU connections are made QUESTION 234 Both distance-vector and link-state protocols converge more quickly if there is A Load balancing B Consistent use of the Network Time Protocol C A loop-detection mechanism D Route redistribution between protocols Answer: C Explanation: Without a loop detection mechanism convergence might not be possible QUESTION 235 Define 'sub area' in SNA A A sub area may contain the FEP and should not contain any peripheral nodes attached to it B SNA defines a sub area to be a sub area node and all the peripheral nodes attached to it Answer: B Explanation: As per the Cisco Internet work Design version 3.0 courseware, P 22-9: " SNA defines a sub area to be a sub area node and all the peripheral nodes attached to it" QUESTION 236 Choose the most accurate statement regarding the decision to choose Frame Relay versus X.25 Answer: For high throughput and low latency, consider Frame Relay instead of X.25, which provides a reliable but high latency network QUESTION 237 What protocol is used by a node to join a multicast group? A CGMP B OSPF C RIP D Internet Group Management Protocol(IGMP) Answer: D QUESTION 238 One reason one would want WINS in addition to DNS is Answer: To enable NETBIOS name-to-IP address translation QUESTION 239 When examining a client's requirements for a switched campus LAN design, you probably not need to investigate? A What protocols are in use B Routing protocol convergence time C The level of broadcast activity D Who the power users are Answer: D QUESTION 240 When considering routing protocol traffic in a Frame Relay cloud, which of the following statements is most accurate? A Routing updates should consume less than 20 percent of the bandwidth B Maximize the number of peer routers that exchange routing tables to ensure reliability 54 http://www fravo.com 642-871 C Routing protocol traffic in a Frame Relay cloud is usually not an issue D The main issue is the amount of CPU usage on peer routers caused by routing protocol traffic Answer: A QUESTION 241 The multihand ATM switch used as a large site backbone node is Answer: IGX QUESTION 242 The main goal of desktop protocol design is Answer: To contain excessive broadcasts between servers and clients QUESTION 243 A remote access method that is set up to service one particular need is refereed to as A Remote gateway B Remote node C Remote control D Remote mail Answer: A QUESTION 244 What are the three features of Cisco's DNS/DHCP Manager? Answer: Synchronization of IP addresses Management of domain names Support for secondary addressing QUESTION 245 When using VLANS, to decrease traffic through the router you should which of the following? Answer: Create a VLAN by function rather than by location QUESTION 246 IP secondary subnet addressing is often used _ A When a second address is required on a server to support multihoming B To reduce traffic on a network segment C When there are not enough host addresses available for a subnet D To reduce latency for inter subnet traffic Answer: C Cisco Internet work Design, Page 110 QUESTION 247 What is not an issue related to the NMBA design? Answer: The need to forward traffic to multiple logical interfaces represented by a single interface QUESTION 248 The LMHOSTS method for name resolution Answer: Does not scale well because of the extensive manual configurations needed QUESTION 249 Cisco PIX is Answer: An address translation and firewall service QUESTION 250 In an Basic Rate ISDN (BRI), the bit rate on the line totals 55 http://www fravo.com 642-871 A 192-Kbps B 144-Kbps C 128-Kbps D Varies with traffic volume Answer: B QUESTION 251 Routing protocol updates exchanged by routers help these devices determine a destination network? A The path to reach B The status of C The location of D The transmission medium used by Answer: A Cisco Internet work Design, Page 127 QUESTION 252 Identify the value-added capabilities that a firewall system provides as part of a secure network design (Select all that apply.) A Application proxy B Anonymous FTP server C Login protection D Audit trail Answer: A, C, D Cisco Internet work Design, Page 118 QUESTION 253 When using Auto Install on a serial link, be sure that Answer: HDLC is used on the other end QUESTION 254 Which statement is true of SAP advertisements in an IPX network? Answer: SAP updates every 60 seconds with SAPS per 480 packet bytes QUESTION 255 A bandwidth domain: A Is used to isolate broadcast traffic B Is all devices associated with one port on a router C Is scalable, depending on the amount of total traffic D Is relevant for Ethernet but not Token Ring Answer: B A bandwidth domain, or a collision domain, is shared by all devices on a single switched port QUESTION 256 Enhanced IGRP route summarization A Supports summarizing only on network boundaries B Can be configured to summarize on address blocks C Is not necessary because Enhanced IGRP is a link-state protocol D Is not supported Answer: B 56 http://www fravo.com 642-871 Cisco Internet work Design, Page 193 QUESTION 257 To make better usage of a limited number of IP addresses, hosts can be allocated a temporary address by a _ server A RARP B DNS C DHCP D UDP Answer: C QUESTION 258 Using PPP protocol would insure A An open standard with built in security and multilink capability for combining BRI bearer channels in packet mode B An open standard with built in security and multilink capability for combining BRI bearer channels in circuit mode C An open standard with external security and multilink capability for combining BRI bearer channels in packet mode D An open standard with optional security and multilink capability for combining BRI bearer channels in circuit mode Answer: A Cisco Internet work Design, Page 340, 341 QUESTION 259 Which statement is true of ATM addressing? Answer: Private ATM networks use a 20 octet or 30 hex character address at the user network interface (UNI) QUESTION 260 Virtual LAN, Frame Relay does not inherently support broadcast What can be done in a Frame Relay network to support protocols that require broadcast ? A To simulate a broadcast LAN inverse ARP can be used B A nonbroadcast multi-access model can be used, which eliminates the need for broadcast C Router connected by mesh of Frame Relay circuits can copy broadcast to peers D A solution to this issue has not yet been developed Answer: C QUESTION 261 When comparing the advantages and disadvantages of a full-mesh versus a partial-mesh Frame Relay design, which of the following statements is most accurate ? A A full mesh is more expensive due to more routers B Split horizon limits connectivity in a full mesh C A partial mesh is less expensive due to fewer virtual circuits D Broadcast copying overhead is higher in a partial mesh Answer: C QUESTION 262 A good network security design is most influenced by A Computing resources B Administrative costs C Equipment availability 57 http://www fravo.com 642-871 D Organizational policy Answer: D QUESTION 263 An OSPF area has four subnets: 164.10.204.0, 164.10.205.0, 164.10.206.0, and 164.10.207.0.Using summarization, what network number and subnet mask can the area border router advertise? A network 164.10.207.0, subnet mask 255.255.252.0 58 http://www fravo.com ... 61 Which of the following IP network ranges is not reserved for private network addresses? A 10 .0. 0 .0 - 10 .255.255.255 B 17 2 .16 .0. 0 - 17 2. 31. 255.255 C 19 2 .16 8 .0. 0 - 19 2 .16 8.255.255 D 244 .0. 0 .0. .. distribution layer QUESTION 18 5 Summarize 15 8. 70. 35 .0, 15 8. 70. 36 .0, 15 8. 70. 37 .0 and 15 8. 70. 35 .0 and give the subnet mask Answer: 15 8. 70. 35 .0/ 21, subnet mask is 255.255.248 .0 QUESTION 18 6 If you use Internet... compatibility with 802 .11 b? A 802 .11 a B 802 .1q C 802 .11 g D 802 .11 p Answer: QUESTION 69 You have just completed determining the application and data requirements for a new network design.Which