102. Which of the following are the well-known Mandatory BGP Path Attributes?
a. AS-path
b. Origin
c. Community
d. 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 area
b. At least one interface is in Area 0
c. It redistributes routing information with routers in other areas
d. 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. Match
b. Set
c. seed
d. route-map
e. 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. 90
b. 100
c. 120
d. 170
110. Which of these commands is used for BGP route summarization?
a. area
b. auto-summary
c. aggregate-summary
d. aggregate-address
111. What is the procedure for setting up automatic redistribution between IGRP and EIGRP?
a. Set both processes to the same AS number
b. IGRP and EIGRP are automatically redistributed by default
c. Configure the EIGRP ABR to use the special area 0
d. 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 RIP
b. Use the ‘redistribute <#>’ command to receive OSPF and send out RIP
c. Use the ‘passive interface ’ command to stop RIP on certain interfaces
d. 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. 0
b. 30
c. 60
d. 120
114. What databases are maintained by OSPF routers?
a. LSA
b. Adjacencies
c. NLSP
d. Routing
e. 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 Flag
c. Authentication (type and password)
d. Hello (and dead/timeout) intervals
e. Area ID
116. Which of the following are private address ranges that are not routed on the public Internet?
a. 192.168.0.0
b. 10.0.0.0
c. 168.192.0.0
d. 127.0.0.0
e. 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. Neighbors
b. Route-Maps
c. Summaries
d. 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 maps
b. Passive interface
c. Default gateway
d. Helper addre
ss
e. 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 command
b. When a Match is made, the Route Map will change the route with the set command
c. Route Maps use the Match command, similar to statements in an access-list
d. Route Maps are numbered
126. 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 64
b. bandwidth 192
c. bandwidth 256
d. bandwidth 128
127. Which of these protocols are routable?
a. IPX
b. APPLETALK
c. IP
d. LAT
e. NETBEUI
128. Which of these commands would allow BGP to advertise routes that it does not have a path to?
a. no synchronization
b. no auto-summary
c. aggregate-address
d. suppress-map
129. Why are RIP v1 updates not compatible with VLSM?
a. Version 1 does not have a DSAP/SSAP field in its header
b. Version 1 is fully compatible with VLSM
c. Version 1 does not have a subnet field in its update packet
d. 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 routing
b. EIGRP has less overhead on the router’s memory than RIP
c. EIGRP supports route summarization
d. 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 each
b. 8 subnets with 8094 hosts each
c. 8 subnets with 16,384 hosts each
d. 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. Exchange
b. Loading
c. 2-way
d. 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 service
b. They do not support load sharing
c. The do not support source-based transit provider selection
d. 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 other
b. Routers are running EBGP when two BGP speaking routers are in the same AS
c. They should be directly connected
d. 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-way
b. init
c. Loading
d. 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 101.17.82.0 255.255.255.0
b. network 101.17.82.0 255.255.255.0 area 2
c. network 101.17.82.0 0.0.0.255 area2
d. 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 20
b. OSPF received route for 172.16.1.0/28 with administrative distance 110
c. Default static route for 0.0.0.0/0 with administrative distance 1
d. 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 updates
b. Stop sending periodic DV updates
c. Continue to listen to DV updates
d. 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. 1
b. 10
c. 100
d. 1000
146. Which of the following are true of EIGRP?
a. It supports IP, IPX, and AppleTalk
b. It maintains backwards IGRP compatibility by sending out periodic updates
c. It maintains one routing table per supported routed protocol
d. It replicates the routing table of its neighbors
e. 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 1
b. Type 2
c. Type 3
d. 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. 2
b. 4
c. 8
d. 16
151. What is the major shortcoming of using default IBGP full-mesh configurations?
a. The MED will be ignored
b. Compatibility problems
c. Route maps become mandatory
d. It does not scale
152. Which of these routing protocols support both VLSM and CIDR?
a. RIP1
b. EIGRP
c. OSPF
d. RIP2
153. Which of the following are true of Policy-Based Routing?
a. It is enabled by default
b. It is implemented with Route Maps
c. It does not permit for load balancing
d. 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 environment
b. Neighbors must be manually configured if network type is NBMA
c. OSPF NBMA only functions in an all Area 0 environment
d. 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 Circuits
b. Route Summarization
c. Bandwidth Aggregation
d. 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/TCP
b. Connection-oriented/UDP
c. Connection-less/TCP
d. Connection-less/UDP
159. What are the major causes of IP network congestion?
a. Client/Server keepalives
b. User applications
c. DNS requests
d. Routing protocol updates
e. 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 neighbor
b. debug ip packet dump
c. show ip route redistribution
d. show ip protocol
163. Which route types are passed by an OSPF ABR into a Stubby Area?
a. Generate Type 3-4
b. Generate Type 5
c. Generate Type 1-2
d. Generate 0.0.0.0
164. Which of these commands is not recommended for OSPF Multipoint NBMA configuration?
a. route-map
b. access-class
c. bandwidth
d. 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 route
c. A route has vanished and DUAL has crashed the router
d. A route has vanished
166. Which of the following are benefits of Route Reflectors?
a. Migration is easy because normal IBGP neighbors are compatible
b. Redundancy is maintained through fully-meshing multiple route reflectors
c. Decreases the amount of time required to detect a routing loop
d. Eliminates IBGP full-mesh issues
167. Which of the following is true of OSPF ASBR?
a. It redistributes routing information with routers in other areas
b. All interfaces are in the same Area
c. At least one interface is in Area 0
d. 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 each
b. 16 subnets with 8 hosts each
c. 14 subnets with 14 hosts each
d. 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 Path
b. Route Table
c. BGP Path
d. 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 limit
b. OSPF sends immediate link state changes
c. OSPF uses a metric that can take bandwidth into consideration
d. OSPF supports VLSM and Route Summarization
e. 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 only
b. Unicasts on nonbroadcast networks
c. Statically defined neighbors
d. Multicasts on broadcast networks
Answer Key:
1. A
2. B,C,D
3. B
4. A,B,C,D
5. A,D
6. sh ip ospf data
7. C
8. A,B
9. B,C
10. sh ip route eigrp
11. D
12. show ip protocols
13. A
14. B
15. B
16. area {area-id} virtual-link {router-id}
17. D
18. no auto-sum
19. A
20. C
21. C
22. B,C
23. Zaphoid(config-router)#metric maximum-hops 200
24. B,C
25. C
26. D
27. Ip summary-address eigrp 3 192.231.0.0 255.255.0.0
28. A,C,D,E
29. aggregate-address 10.1.4.0 255.255.252.0 summary-only
30. A
31. D
32. area 9 stub no-summary
33. area 9 stub
34. D
35. C
36. A
37. B,D
38. C
39. show ip interface
40. A
41. default-info originate al
42. C
43. B
44. B,D
45. A
46. A,C
47. A
48. C
49. A,B,D
50. B,D,E
51. show ip ospf
52. sh ip ospf int
53. B,C
54. show ip eigrp nei
55. A,C,D
56. B,C,D
57. A,B,D
58. sh ip ospf border-routers
59. A,B
60. clear ip bgp
61. redist igrp 5 metric-type 1
62. show ip ospf interface
63. A,B,C,E
64. C,D
65. B
66. B
67. D
68. C
69. sh ip eigrp nei
70. D
71. Summary-address 192.168.8.0 255.255.248.0
72. A,B,D
73. C,D
74. A
75. C
76. summary-address {address} {mask}
77. C
78. A,B,C
79. A
80. B
81. area virtual link
82. bandwidth 1000
83. A,B
84. D
85. C
86. D
87. Area 1 range 192.231.0.0 255.255.0.0
88. D
89. show ip bgp paths
90. C,D,E
91. ip route 0.0.0.0 0.0.0.0
92. D
93. C
94. sh ip ospf 76
95. D
96. D
97. D
98. 2
99. B
100. D
101. ip policy route-map jeffrey
102. A,B,D
103. Zaphoid(config-router)#redistribute rip 1 metric-type 1
104. A
105. Area 1 range 192.168.8.0 255.255.248.0
106. Default 0.0.0.0
107. A,B,D
108. summary-address {address} {mask}
109. D
110. D
111. A
112. D
113. C
114. B,D,E
115. B,C,D
116. A,B,D,E
117. sh ip ospf virtual-1
118. area 6 stub no-sum
119. A
120. interface serial 0
bandwidth 64
router eigrp 1
ip bandwidth-percent eigrp 1 75
121. A
122. shutdown (executed on interface e0)
123. A,B,E
124. Summary-address 192.232.0.0 255.255.0.0
125. A
126. B
127. A,B,C
128. A
129. C
130. A,C,D
131. D
132. D
133. interface tunnel 0
134. B
135. B
136. Cost
137. D
138. Router ospf 6
139. no synchronization
140. C
141. neighbor [ip-address] route-reflector-client
142. Show ip ospf
143. D
144. B,C,D
145. C
146. A,C,D,E
147. show ip eigrp topology all
148. B
149. show ip ospf nei det
150. C
151. D
152. B,C,D
153. B,D
154. B,D
155. show ip route eigrp
156. A
157. show ip ospf neighbor
158. A
159. B,C,D,E
160. ‘ip ospf network broadcast’ and ‘neighbor [ip address]’
161. network 10.1.0.0 mask 255.255.0.0
162. A,D
163. A
164. D
165. B,C
166. A,B,D
167. A
168. C
169. sh ip eigrp top all
170. B,D
171. D
172. show ip ospf border-router
173. E
174. show ip ospf neighbor
175. C
