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Which two routing interface parameters are supported in OSPF

题目
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Which two routing interface parameters are supported in OSPF implementations?（）
A

retransmit - interval

B

de ad - interval

C

stub area

D

virtual link

E

NSSA area

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第1题：

Which two routing interface parameters are supported in OSPF implementations?()

A. retransmit - interval

B. de ad - interval

C. stub area

D. virtual link

E. NSSA area


参考答案：A, B

第2题：

Which of the following data structures exist on a router for the OSPF routing protocol？（）

  • A、OSPF topology table
  • B、OSPF interface table
  • C、OSPF routing information base
  • D、OSPF link-state database
  • E、OSPF adjacency table
  • F、OSPF neighbor table

正确答案:B,C,D,F

第3题：

Which two statements are true about hierarchical architecture? ()(Choose two.)

A. You can assign a logical interface to multiple zones.

B. You cannot assign a logical interface to multiple zones.

C. You can assign a logical interface to multiple routing instances.

D. You cannot assign a logical interface to multiple routing instances.


参考答案：B, D

第4题：

Which two design recommendations are most appropriate when OSPF is the data center core routing protocol？ （）

  • A、 Never use passive interfaces.
  • B、 Use NSSA areas from the core down.
  • C、 Use totally stub areas to stop type 3 LSAs.
  • D、 Use the lowest Ethernet interface IP address as the router ID.
  • E、 Tune OSPF timers to enable OSPF to achieve quicker convergence

正确答案:B,E

第5题：

A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）

  • A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the  OSPF configuration.
  • B、For the two vlans to communicate， a network statement for each subinterface needs to be  added  to the OSPF configuration.
  • C、Direct inter-vlan communication does not require OSPF
  • D、OSPF cannot be used if router-on-a-stick is configured on the router

正确答案:C

第6题：

Which two are NOT characteristics of the OSPF routing protocol?()

A. It confines network instability to a single area of network.

B. It increases the routing overhead of the network

C. It supports VLSM

D. It routes between Autonomous Systems.

E. It allows extensive control of routing updates


参考答案：B, D

第7题：

Which two statements are true about IS -IS routing?（）

  • A、Based on the default timers, OSPF d etects a failure faster than IS - IS does.
  • B、OSPF default timers permit more tuning than IS - IS does.
  • C、IS - IS is more efficient than OSPF in the use of CPU resources.
  • D、OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.
  • E、IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.

正确答案:C,E

第8题：

Which three route filtering statements are true?()

A. After the router ospf 10 and passive - interface s0/0 commands have been issued , the s0/0 interface will not send any OSPF updates, but will receive routing updates on that interface

B. When you use the passive - interface command with RIPv2, multicasts are sent out the specified interface

C. After the router rip and passive -interface s0/0 commands have been issued, the s0/0 interface will not send any RIP updates, but will receive routing updates on that interface

D. When you use the passive - interface command with EIGRP, hel lo messages are not sent out the specified interface

E. After the router eigrp 10 and passive - interface s0/0 commands have been issued, the s0/0 interface will not send any EIGRP updates, but will receive routing updates on that interface

F. When you use the passive - interface command with OSPF, hello messages are not sent out the specified interface


参考答案：C, D, F

第9题：

You are the top of hierarchy and must configure OSPF on inteface so-0/0/0 unit 100. Which two achieve this result?（）

  • A、set protocols   set ospf area 0   set interface so-0/0/0.100
  • B、set protocols ospf area 0 interface so-0/0/0.100
  • C、edit protocols ospf interface so-0/0/0.100
  • D、edit protocols ospf area 0   set interface so-0/0/0.100

正确答案:B,D

第10题：

Which two statements are true about the role of split horizon？（）

  • A、It is a function used by routing protocols to install routes into routing table
  • B、It is a function that prevents the advertising of routes over an interface that the router is usingto reach a route
  • C、Its function is to help avoid routing loops.
  • D、It is a redistribution technique used by routing protocols

正确答案:B,C

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