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最新的JN0-343题库下载!

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考试代号:JN0-343
认证名称:Juniper Networks Certified Internet Specialist (JNCIS-ENT)
版本号:V8.02
考题数量:129道
更新日期:2010-10-14
1. On an edge router, you want to create a default route with a next hop to an external connection. The route should be available only when you are receiving routes from the external provider.
Which type of route would you configure on your device to accomplish this objective?
A. an aggregate route
B. a generated route
C. a primary contributing route
D. a static route
Answer: B

2. Which configuration command would you use to add an IPv6 static route to your Junos device?
A. set routing-options static route 0::/0 next-hop fec0:0:2003::2
B. set routing-options static route inet6 0::/0 next-hop fec0:0:2003::2
C. set routing-options static route ipv6 0::/0 next-hop fec0:0:2003::2
D. set routing-options rib inet6.0 static route 0::/0 next-hop fec0:0:2003::2
Answer: D

3. You configured an aggregate route of 192.168.8.0/21 and committed the updated configuration. Using an operational show command, you notice that the newly configured route is not present in the output.
What would explain this behavior?
A. The next hop is not resolvable.
B. The next hop is not reachable.
C. There are no active contributing routes.
D. An aggregate route will not show up in the local table; it will be shared only with BGP neighbors.
Answer: C

4. You want several different subnets within your enterprise network to be reachable from outside the enterprise network. Your edge router must share a single route advertisement about these subnets with external devices. If one of the subnets is unavailable, your edge router should drop any traffic destined to that subnet.
Which type of route, configured on the edge device with default behavior, accomplishes these objectives?
A. an aggregate route
B. a generated route
C. a primary contributing route
D. an OSPF route
Answer: A

5. You run the operational-mode command show ospf neighbor and notice that an expected OSPF neighbor on a broadcast link is not detected.
Which three issues cause this behavior? (Choose three.)
A. A problem exists with the physical link or Data Link Layer connectivity.
B. The router IDs on the two devices do not match.
C. The IP subnet mask does not match on each end of the link.
D. The area type does not match on each end of the link.
E. The AS number on the two devices do not match.
Answer: ACD

6. You execute the operational-mode command show ospf neighbor and notice that one neighbor relationship remains in the exStart state.
What causes this behavior?
A. The area IDs do not match on each end of the link.
B. The authentication parameters do not match on each end of the link.
C. The dead interval does not match on each end of the link.
D. The MTU does not match on each end of the link.
Answer: D
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