CCNP-BSCN(2)
添加时间: 2007-9-6 0:38:52 作者: Cisco考试认证 阅读次数:67 来源: http://www.d9soft.com
a. Saves IPX network address space
b. IP has more advanced routing protocols
c. Reduced SAP traffic
d. IP tunnels allow two IPX hosts to communicate over the public Internet
e. IP tunnels can overcome IPX scalability issues
51. What command will display all configured OSPF timers?
52. What command will confirm which interfaces are in what OSPF Areas and view all known adjacencies?
53. Using route summarization, which two of these networks fall into the 174.69.16.0/20 range?
a. 174.69.33.0/24
b. 174.69.31.0/24
c. 174.69.17.0/24
d. 174.69.32.0/24
54. What command will view EIGRP adjacencies?
55. Which of these are default BGP communities?
a. no-export
b. classless
c. Internet
d. no-advertised
56. Which of these are valid ways to route information sent from an AS into the BGP table?
a. Route Maps
b. Redistribution from an existing IGP
c. Network command
d. Redistribution from Static Route to Null 0
57. Which of these are the well-known Optional BGP Path Attributes?
a. Local preference
b. MED
c. Next-hop
d. Community
58. What command will list all OSPF ABR’s in the autonomous system?
59. Routers A, B, and C are running IBGP. Router B is connected via Serial 0, to router A, and connected via Serial 1 to router C. Router A advertises the route 200.1.1.0 to router B. By default what does router B do with this route?
a. Adds it to the BGP topology table
b. Adds it to the routing table
c. Advertises it to router A
d. Ignores the route
60. What command will reset all BGP TCP connections and all BGP sessions?
61. What command will enable route redistribution form IGRP AS #5 into OSPF using External metric type 1?
62. What command will determine what OSPF area all interfaces are in?
63. Which Administrative Distances listed below are correct?
a. BGP=20
b. Static Route=1
c. External EIGRO=170
d. EIGRP=120
e. Summary EIGRP=5
64. Which routing protocol features provide solutions to the problems associated with very large routing tables?
a. Filtering
b. Data Compression
c. Route summarization
d. Incremental updates
65. Variable Length Subnet Masking provides what benefit?
a. Eases the configuration of route distribution
b. Eliminates the problem of ‘black holes’ in the routing table
c. Provides a more efficient use of address space when subnetting
d. Provides full RIP v1 backwards compatibility
66. During OSPF convergence, at what state might the slave router request an LSU?
a. Full
b. Loading
c. Init
d. Exstart
67. What is the router command to diagnose and display the entire route, including delays, given the path to a destination?
a. routepath
b. routetrace
c. pathtrace
d. traceroute
68. You have built an EIGRP network. All routers within this network are using the same EIGRP AS number. You chose to add a static route on router Zaphoid. What will be the default administrative distance of this static route?
a. 255
b. 5
c. 1
d. 90
69. What command will view all EIGRP adjacency information?
70. What is a BGP community?
a. Routers that have different AS numbers
b. Routers that have the same AS number
c. A Cisco proprietary feature that optimizes routing updates
d. Group of destination which share some common property
71. Given the range of IP routes 192.168.8.0 through 192.168.15.255 for OSPF Area 1, assuming you are in the correct router-mode, what command will summarize all routes as a single route on the Autonomous System Boundary Router?
72. Before a rollout, you are trying to configure and deploy a large number of older OSPF routers in your enterprise lab environment. However, your batch file for configuring the routers is not working correctly. Which of these could be the cause of the problem?
a. The wildcard masks are incorrectly configured as subnet masks
b. The keyword ‘area’ should be removed from the second line
c. OSPF has been configured on a network for area 87
d. The keyword ‘area’ is missing from both ‘network’ statements
73. Which of these are effective ways to eliminate sub-optimal paths when configuring route redistribution?
a. Decrease the Administrative Distance of the sub-optimal path
b. Use route filtering on the sub-optimal path
c. Increase the Metric (or cost) of the sub-optimal path
d. Increase the Administrative Distance of the sub-optimal path
74. Which of these are the 2 most common BGP commands use to configure a Route Reflector?
a. bgp cluster-id [cluster-id]
b. neighbor [ip-address] route-reflector-host
c. route-reflect enable
d. neighbor [ip-address] route-reflector-client
75. Assuming your clients do not support subnet-zero, how many of your class C addresses are wasted by using the subnet mask of 255.255.255.192 and not using VLSM?
a. 10%
b. 25%
c. 50%
d. 75%
76. What OSPFcommand consolidates IA (intra-area) routes on an ABR?
77. Which of the following is true of an OSPF backbone router?
a. It redistributes routing information with routers in other areas
b. All backbone routers must be in more than one area
c. At least one interface is in Area 0
d. All interfaces are in the same Area
78. Which of these OSPF statements are correct?
a. OSPF computes cost based on the interface’s bandwidth setting
b. OSPF is not limited to a hop count metric
c. OSPF uses LSA packets instead of broadcasts
d. OSPF sends the complete routing table inside of each LSA packet
79. What is a BGP speaker?
a. A router that is running the BGP process and exchanging BGP routes
b. A router running BGP with passive interfaces
c. An EIGRP router redistributing BGP
d. A router that only listens to BGP routes
80. When OSPF neighbor commands be used?
a. When Standard Ethernet media is in place
b. To command old legacy hardware prior to OS version 10.0
c. When Token-Ring is implemented
d. When FDDI is implemented
81. What command is required to connect two physically separated Area 0’s?
82. You want to increase the chance that EIGRP will select serial 0 as the best path to a given route. What command will cause EIGRP to prefer this interface?
83. Which of these statements correctly describe Type 5 OSPF LSA?
a. Autonomous System External type-2, shows in routing table as ‘E2’ for OSPF External-2
b. Autonomous System External type-1, shows in routing table as ‘E1’ for OSPF External-1
c. Network link entry, shows in routing table as ‘0’ for OSPF
d. No such entry
84. Which of the following are possible reasons that EIGRP might not make an adjacency to a neighbor router?
a. Both routers are not running DUAL
b. Hop counts do not match on both routers
c. The feasible successor is still in the Hello state
d. Update packets have not been sent
85. How does the command ‘ip bandwidth-percent eigrp’ set EIGRP maximum bandwidth allocation?
a. On a per AS basis
b. On a per packet basis
c. On a per interface basis
d. Globally for all IGRP and EIGRP AS’s on the router
86. Which of these packet types does an OSPF router use at bootup to receive information?
a. SPF
b. LCP
c. Flood
d. Hello
87. What command will summarize Area 1 internal OSPF routes on an ABR for 192.231.0.0/16?
88. Which defined OSPF LSA types are Summary?
a. Generate Type 5
b. Generate 0.0.0.0
c. Generate Type 1-2
d. Generate Type 3-4
89. Which command is used for viewing the BGP topology table?
90. Which of the following are true of RIP v1?
a. Maximum hop count is 16
b. Update interval is 90 seconds
c. Update interval is 30 seconds
d. VLSM is not supported
e. Maximum hop count is 15
91. You are configuring a very simple IP network that won’t need an advanced routing protocol like BGP. What command will create the appropriate default route?
92. Which of the following supports multiple routed protocols?
a. IP
b. OSPF
c. BGP
d. EIGRP
e. IGRP
93. The existing DR is rebooted and the BDR is thus promoted to DR. Which of the following are true?
a. Upon boot of the old DR, the newly elected DR will automatically demote itself back to BDR
b. When the old DR comes back online, it will send out an LSA to override the new DR
c. The newly elected OSPF DR will remain DR even when the old DR comes back on-line
d. Upon boot of the old DR another election will occur
94. What command will display each OSPF area that is running on the router for OSPF process-id number 76?
95. What is the BGP MED used for?
a. Setting the route maps peer ID
b. Setting IGP synchronization
c. Setting the route reflectors peer ID
d. Setting a preferred return-pathway back into the originating AS
96. You are trying to deploy a large BGP network but notice that configuring BGP for full mesh will kill your router’s RAM and CPU. What can be configured to fix the problem?
a. Route Maps
b. Route Redistribution
c. Full Mesh neighbor statements
d. Route Reflectors
97. Which OSPF external metric type is additive (ie, includes all physical hops in cost calculation)?
a. Type 2
b. Type 3
c. Type 4
d. Type 1
98. How many hosts do you get per subnet with a /30?
99. Which of the following is true regarding EIGRP feasible successors?
a. It is a backup router elected during convergence
b. It is a backup route kept in the topology database
c. It is a backup link kept in the routing table
d. It is a special DDR feature for EIGRP compatibility
100. Which of the following is true of BGP multihoming?
a. It is the routing between two BGP speakers
b. It is the enabling of BGP on more than one interface
c. It is the use of BGP route redistribution
d. It is the connection an AS to more than one ISP
101. What command will configure the router interface to do Policy-Based Routing using Route-Map ‘Jeffrey’?
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 address
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
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