102. Which of the following are the well-known Mandatory BGP Path Attributes?a. AS-pathb. Originc. Communityd. Next-hop
103. What command will change the default OSPF External type so OSPF will add up and consider all of the internal costs in the OSPF path?
104. Which of the following is true of OSPF ABR?a. ABR’s are always in more than one areab. At least one interface is in Area 0c. It redistributes routing information with routers in other areasd. All interfaces are in the same Area
105. Given the IP routes 192.168.8.0 through 192.168.15.255 for OSPF Area 1, what command will summarize all networks as a single CIDR netblock on the ABR?
106. What types of routes can an OSPF totally stubby ABR send into the stubby area?
107. Which of the following commands are necessary to create a Route Map?a. Matchb. Setc. seedd. route-mape. metric
108. What OSPF command will consolidate External routes on an ASBR?
109. What is the default administrative distance for an EIGRP external route?a. 90b. 100c. 120d. 170
110. Which of these commands is used for BGP route summarization?a. areab. auto-summaryc. aggregate-summaryd. aggregate-address
111. What is the procedure for setting up automatic redistribution between IGRP and EIGRP?a. Set both processes to the same AS numberb. IGRP and EIGRP are automatically redistributed by defaultc. Configure the EIGRP ABR to use the special area 0d. Configure both processes for metric-type 1
112. You are in a UNIX area that requires RIP to be sent on the local network segments, but the customer wants to continue using their existing and fully functional OSPF network. For efficiency, you do not want to send RIP over certain interfaces connected to the backbone. Which of the following must be done to meet the objectives?a. Use the ‘redistribute ’ command to receive OSPF and send out RIPb. Use the ‘redistribute ’ command to receive OSPF and send out RIPc. Use the ‘passive interface ’ command to stop RIP on certain interfacesd. Use the ‘passive-interface ’ command to stop RIP on certain interfaces
113. On low-speed NBMA media, what is the default EIGRP hello interval (in seconds)?a. 0b. 30c. 60d. 120
114. What databases are maintained by OSPF routers?a. LSAb. Adjacenciesc. NLSPd. Routinge. Topology
115. In order for OSPF to form an adjacency with its newly discovered neighbor, which configuration parameters must match?a. Encryption (tunnel mode)b. Stub Area Flagc. Authentication (type and password)d. Hello (and dead/timeout) intervalse. Area ID
116. Which of the following are private address ranges that are not routed on the public Internet?a. 192.168.0.0b. 10.0.0.0c. 168.192.0.0d. 127.0.0.0e. 172.16.0.0
117. What command views the status of all OSPF virtual links?
118. What command on the ABR will make OSPF area 6 a Totally Stubby Area?
119. Which of the following best describes Type 1 OSPF LSA?a. Router link entry/record that shows in the routing table as ‘O’b. Autonomous System External type-1 which appears in the routing table as ‘E1’c. Summary link entry that shows in the routing table as ‘IA’d. Network link entry that shows in the routing table as ‘O’
120. What command will configure the EIGRP process to use a maximum 75% of all available bandwidth on Serial 0 for Autonomous System 1?
121. BGP peers are also known as______?a. Neighborsb. Route-Mapsc. Summariesd. MED’s
122. What command will ensure that BGP routes are not advertised out your current interface?
123. What are some route redistribution features that you may want to enable to reduce the odds of your network’s routing protocol using less than optimal paths?a. Route mapsb. Passive interfacec. Default gatewayd. Helper addre sse. Distribute-lists
124. What command will summarize external OSPF routes on an ASBR for 192.232.0.0/16?
125. Which of the following are untrue of Route Maps?a. When a Match is made, the Route Map can change the route with the map-tag commandb. When a Match is made, the Route Map will change the route with the set commandc. Route Maps use the Match command, similar to statements in an access-listd. Route Maps are numbered126. Your hub and spoke environment requires tuning. Your HQ site route has a single physical interface. This single physical interface has three VC’s configured: Two 64k VC’s and One 128k VC. Assuming you are in the NBMA multipoint environment, what is the recommended method for computing the value of the bandwidth command?a. bandwidth 64b. bandwidth 192c. bandwidth 256d. bandwidth 128
127. Which of these protocols are routable?a. IPXb. APPLETALKc. IPd. LATe. NETBEUI
128. Which of these commands would allow BGP to advertise routes that it does not have a path to?a. no synchronizationb. no auto-summaryc. aggregate-addressd. suppress-map
129. Why are RIP v1 updates not compatible with VLSM?a. Version 1 does not have a DSAP/SSAP field in its headerb. Version 1 is fully compatible with VLSMc. Version 1 does not have a subnet field in its update packetd. Version 1 is limited to 15 hops, while Version 2 is limited to 30
130. Which of the following are advantages of using EIGRP instead of RIP?a. EIGRP supports hierarchical routingb. EIGRP has less overhead on the router’s memory than RIPc. EIGRP supports route summarizationd. EIGRP supports classless routing
131. How many subnetworks and hosts per subnet are available in the network 151.17.18.0 with subnet mask 255.255.192.0?a. 4 subnets with 32,382 hosts eachb. 8 subnets with 8094 hosts eachc. 8 subnets with 16,384 hosts eachd. 2 subnets with 16,382 hosts each
132. During the final stages of OSPF convergence, when can the OSPF router begin to send user data?a. Exchangeb. Loadingc. 2-wayd. Full
133. What command should be used to create a tunnel interface?
134. Which of the following is true of Route-Maps?a. They do not support Quality of serviceb. They do not support load sharingc. The do not support source-based transit provider selectiond. The do not permit Load Sharing
135. Which of the following is untrue regarding routers running external BGP?a. They must form a TCP port 179 connection with each otherb. Routers are running EBGP when two BGP speaking routers are in the same ASc. They should be directly connectedd. Routers are running EBGP when two BGP speaking routers are in different AS’s
136. What distance computation is used by OSPF, and not EIGRP?
137. After the DR and BDR have been elected and master/slave adjacencies are established, OSPF routers use what method for network discover?a. 2-wayb. initc. Loadingd. Exchange
138. What command will enable OSPF on the router with a process ID of 6?
139. What command will allow BGP to advertise routes before learning them from IGP
140. Which of these OSPF statement uses access-list style inverted wildcard masks?a. area 2 range 101.17.82.0 255.255.255.0b. network 101.17.82.0 255.255.255.0 area 2c. network 101.17.82.0 0.0.0.255 area2d. area 2 range 101.17.82.0 0.0.0.255
141. IBGP by default requires full mesh. What command will allow IBGP to overcome this limitation?
142. What command can be used to determine which OSPF Areas are configured on the router you are examining?
143. A packet is destined for 172.16.1.1. Which of the following routes will be selected as the best path?a. BGP received route for 172.16.1.0/16 with administrative distance 20b. OSPF received route for 172.16.1.0/28 with administrative distance 110c. Default static route for 0.0.0.0/0 with administrative distance 1d. RIP received rout for 172.16.1.0/30 with administrative distance 120
144. Which of the following are effects of the passive-interface command?a. Continue sending periodic DV updatesb. Stop sending periodic DV updatesc. Continue to listen to DV updatesd. Prohibit Link State routing protocols from forming adjacencies
145. Your serial interface is connected to a 1000kbps CIR frame relay connection. You configure the interface with the appropriate bandwidth command. What would be the OSPF calculated cost of this interface?a. 1b. 10c. 100d. 1000
146. Which of the following are true of EIGRP?a. It supports IP, IPX, and AppleTalkb. It maintains backwards IGRP compatibility by sending out periodic updatesc. It maintains one routing table per supported routed protocold. It replicates the routing table of its neighborse. It only sends out updates when it detects a network routing change
147. What command will determine if your router has any feasible successors if EIGRP cannot determine the best path for a packet?
148. Which OSPF external metric type is not additive (ie, only includes the ASBR in the cost calculation)?a. Type 1b. Type 2c. Type 3d. Type 4
149. What command will view information about OSPF DR’s, BDR’s, and Neighbors?
150. Your routing tables are getting very large and you need to configure route summarization. How many Class C Internet addresses can you summarize with a /20 CIDR block?a. 2b. 4c. 8d. 16151. What is the major shortcoming of using default IBGP full-mesh configurations?a. The MED will be ignoredb. Compatibility problemsc. Route maps become mandatoryd. It does not scale
152. Which of these routing protocols support both VLSM and CIDR?a. RIP1b. EIGRPc. OSPFd. RIP2
153. Which of the following are true of Policy-Based Routing?a. It is enabled by defaultb. It is implemented with Route Mapsc. It does not permit for load balancingd. It permits source-based packet redirection
154. OSPF has which of the following restrictions specified in an NBMA environment?a. OSPF NBMA requires a Full Mesh environmentb. Neighbors must be manually configured if network type is NBMAc. OSPF NBMA only functions in an all Area 0 environmentd. Hellos will not be sent to 224.0.0.5
155. What command will view the EIGRP routing table?
156. What built in OSPF feature is similar in concept to Spoofing?a. Demand Circuitsb. Route Summarizationc. Bandwidth Aggregationd. DDR
157. What command will determine if an OSPF router has been elected the DR?
158. Is BGP connection-oriented or connection-less, and what protocol transport does it use?a. Connection-oriented/TCPb. Connection-oriented/UDPc. Connection-less/TCPd. Connection-less/UDP
159. What are the major causes of IP network congestion?a. Client/Server keepalivesb. User applicationsc. DNS requestsd. Routing protocol updatese. Encapsulated protocol transport
160. You configure frame relay between two routers. You are able to ping and telnet across this link. You then enable OSPF on both of these routers. Upon executing the command ‘show ip ospf neighbors’, you notice that the routers have not become neighbors. What commands will solve this problem?
161. What command will allow BGP to advertise the 10.1.0.0/16 IGP route that is already in the routing table?
162. You believe there are Route Redistribution problems in your network. Which of the following commands will help diagnose the specific problem?a. show ip eigrp neighborb. debug ip packet dumpc. show ip route redistributiond. show ip protocol
163. Which route types are passed by an OSPF ABR into a Stubby Area?a. Generate Type 3-4b. Generate Type 5c. Generate Type 1-2d. Generate 0.0.0.0
164. Which of these commands is not recommended for OSPF Multipoint NBMA configuration?a. route-mapb. access-classc. bandwidthd. neighbor
165. What is indicated when an EIGRP route gets stuck in the Active state?a. A route has vanished and DUAL is busy recomputing the next feasible successor b. A route has vanished and the EIGRP neighbor has timed out to a status inquiry for the involved routec. A route has vanished and DUAL has crashed the routerd. A route has vanished
166. Which of the following are benefits of Route Reflectors?a. Migration is easy because normal IBGP neighbors are compatibleb. Redundancy is maintained through fully-meshing multiple route reflectorsc. Decreases the amount of time required to detect a routing loopd. Eliminates IBGP full-mesh issues
167. Which of the following is true of OSPF ASBR?a. It redistributes routing information with routers in other areasb. All interfaces are in the same Areac. At least one interface is in Area 0d. ASBR’s are always in more than one area
168. How many subnetworks and hosts per subnet are available in the network 193.17.18.0 with subnet mask 255.255.255.240?a. 14 subnets with 8 hosts eachb. 16 subnets with 8 hosts eachc. 14 subnets with 14 hosts eachd. 8 subnets with 16 hosts each
169. What command will display the entire EIGRP topology database?
170. BGP speaking routers have which of the following tables in memory at the same time?a. Route Pathb. Route Tablec. BGP Pathd. BGP Table
171. Which of the following is true of Type 2 OSPF LSA?a. It is a summary link entry and shows in routing tables as ‘IA’ b. It is a router link entry and shows in routing tables as ‘O’c. It is an Autonomous System External type-1 and shows in routing tables as ‘E1’d. It is a network link entry and shows in routing tables as ‘O’ for OSPF
172. What command will display a summary of all ABR’s in the entire OSPF network?
173. Which of the following are reasons why OSPF is considered superior to RIP in large networks?a. OSPF has no hop count limitb. OSPF sends immediate link state changesc. OSPF uses a metric that can take bandwidth into considerationd. OSPF supports VLSM and Route Summarizatione. All of the above
174. What command will view all OSPF adjacent routers?
175. Which of the following are valid methods BGP uses to discover neighbors?a. Broadcasts onlyb. Unicasts on nonbroadcast networksc. Statically defined neighborsd. Multicasts on broadcast networks
Answer Key:1. A2. B,C,D3. B4. A,B,C,D5. A,D6. sh ip ospf data7. C8. A,B9. B,C10. sh ip route eigrp11. D12. show ip protocols13. A14. B15. B16. area {area-id} virtual-link {router-id}17. D18. no auto-sum19. A20. C21. C22. B,C23. Zaphoid(config-router)#metric maximum-hops 20024. B,C25. C26. D27. Ip summary-address eigrp 3 192.231.0.0 255.255.0.028. A,C,D,E29. aggregate-address 10.1.4.0 255.255.252.0 summary-only30. A31. D32. area 9 stub no-summary33. area 9 stub34. D35. C36. A37. B,D38. C39. show ip interface40. A41. default-info originate al42. C43. B44. B,D45. A46. A,C47. A48. C49. A,B,D50. B,D,E51. show ip ospf52. sh ip ospf int53. B,C54. show ip eigrp nei55. A,C,D56. B,C,D57. A,B,D58. sh ip ospf border-routers59. A,B60. clear ip bgp 61. redist igrp 5 metric-type 162. show ip ospf interface63. A,B,C,E64. C,D65. B66. B67. D68. C69. sh ip eigrp nei70. D71. Summary-address 192.168.8.0 255.255.248.072. A,B,D73. C,D74. A75. C76. summary-address {address} {mask}77. C78. A,B,C79. A80. B81. area virtual link 82. bandwidth 100083. A,B84. D85. C86. D87. Area 1 range 192.231.0.0 255.255.0.088. D89. show ip bgp paths90. C,D,E91. ip route 0.0.0.0 0.0.0.0 92. D93. C94. sh ip ospf 7695. D96. D97. D98. 299. B100. D101. ip policy route-map jeffrey102. A,B,D103. Zaphoid(config-router)#redistribute rip 1 metric-type 1104. A105. Area 1 range 192.168.8.0 255.255.248.0106. Default 0.0.0.0107. A,B,D108. summary-address {address} {mask}109. D110. D111. A112. D113. C114. B,D,E115. B,C,D116. A,B,D,E117. sh ip ospf virtual-1118. area 6 stub no-sum119. A120. interface serial 0bandwidth 64router eigrp 1ip bandwidth-percent eigrp 1 75121. A122. shutdown (executed on interface e0)123. A,B,E124. Summary-address 192.232.0.0 255.255.0.0125. A126. B127. A,B,C128. A129. C130. A,C,D131. D132. D133. interface tunnel 0134. B135. B136. Cost137. D138. Router ospf 6139. no synchronization140. C141. neighbor [ip-address] route-reflector-client142. Show ip ospf143. D144. B,C,D145. C146. A,C,D,E147. show ip eigrp topology all148. B149. show ip ospf nei det150. C151. D152. B,C,D153. B,D154. B,D155. show ip route eigrp156. A157. show ip ospf neighbor158. A159. B,C,D,E160. ‘ip ospf network broadcast’ and ‘neighbor [ip address]’161. network 10.1.0.0 mask 255.255.0.0162. A,D163. A164. D165. B,C166. A,B,D167. A168. C169. sh ip eigrp top all170. B,D171. D172. show ip ospf border-router173. E174. show ip ospf neighbor175. C