CiscoCCNP-BSCN(3)
添加时间: 2007-9-3 22:00:00 作者: Cisco认证考试 阅读次数:50 来源: http://www.d9soft.com
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%
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