单选题Click the Exhibit button. In the exhibit, what is the purpose of this OSPF configuration?（）AThe router sends the file debugOSPF (containing hellos sent and LSA updates) to the syslog server.BThe router traces both OSPF hellos sent and LSA updates, and

题目
单选题
Click the Exhibit button. In the exhibit, what is the purpose of this OSPF configuration?（）
A

The router sends the file debugOSPF (containing hellos sent and LSA updates) to the syslog server.

B

The router traces both OSPF hellos sent and LSA updates, and stores the results in the debugOSPFfile.

C

The router traces both OSPF hellos sent and LSA updates, and sends the results to the syslog process with the debugOSPF facility.

D

The router traces all OSPF operations, stores the results in the debugOSPF file, and marks both hellos sent and LSAupdates in the file with a special flag.

相似考题

1.Click the Exhibit button.In the exhibit, what is the purpose of this OSPF configuration?()A. The router sends the file debugOSPF (containing hellos sent and LSA updates) to the syslog server.B. The router traces both OSPF hellos sent and LSA updates, and stores the results in the debugOSPFfile.C. The router traces both OSPF hellos sent and LSA updates, and sends the results to the syslog process with the debugOSPF facility.D. The router traces all OSPF operations, stores the results in the debugOSPF file, and marks both hellos sent and LSAupdates in the file with a special flag.

2.A network planning diagram shows a large internetwork with many routers. The configurations show that OSPF has been enabled on all interfaces, I P addresses correctly configured, and OSPF workinG.For which of the following cases would you expect a router to create and flood a Type 2 LSA?（）A. When OSPF is enabled on a LAN interface, and the router is the only router connected to the subnet.B. When OSPF is enabled on a point - to -point serial link, and that router has both the higher router ID and higher interface IP address on the link.C. When OSPF is enabled on a Frame Relay point - to - point subinterface, has the lower RID and lower subinterfa ce IP address, and otherwise uses default OSPF configuration on the interface.D. When OSPF is enabled on a working LAN interface on a router, and the router has been elected BDR.E. None of the other answers is correct.

3.Refer to the exhibit. OSPF is configured on all routers in the network. Area 5 is configured as an NSSA areA. The RIPv2 routes are redistributed into the OSPF domain on router R5. What two types of LSAs will be originated by router R5?（）A. type 1 Router LSAB. type 2 Network LSAC. type 3 Network Summary LSAD. type 4 ASBR Summary LSAE. type 5 AS External LSAF. type 7 NSSA External LSA

4.What are two examples of RE exception traffic?()A. BGP updates that travel through the local router and are destined for a remote router.B. OSPF hello packets that are sent from a remote router and are destined for the local router.C. Telnet traffic that is sent from a remote host and is destined for the local router.D. Telnet traffic that travels through the local router and is destined for a remote end host.

更多“单选题Click the Exhibit button. In the exhibit, what is the purpose of this OSPF configuration?（）A The router sends the file debugOSPF (containing hellos sent and LSA updates) to the syslog server.B The router traces both OSPF hellos sent and LSA updates, ”相关问题

  • 第1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2题：

    Refer to the exhibit. You have completed an OSPF implementation, and you are verifying OSPF operation. You notice that router A and router B are stuck in the two - way state. From the show ip ospf interface command output, what is the cause of this issue?（）

    A. All OSPF implementations must have at le ast one interface in area 0.

    B. You are attempting to run in the broadcast mode over an NBMA interface.

    C. Both routers are configured to function as a BDR; therefore, there is no DR router.

    D. Someone has changed the OSPF router ID; therefore you must clear the OSPF process.

    E. The OSPF priority is set to 0 on both routers; therefore neither can become the DR.


    参考答案：E

  • 第3题：

    Refer to the exhibit. Which statement is true about the configuration? ()

    A. RTA will not establish an OSPF adjacency w ith RTB

    B. RTA will send OSPF hello packets, but will not send OSPF updates

    C. RTA will not accept OSPF hello packets from RTB

    D. RTA will send OSPF updates, but will not establish an adjacency with RTB


    参考答案：A

  • 第4题：

    Refer to the exhibit. Routers R1 and R2 are running EIGRP and have converged. On the basis of the information that is presented, which statement is true? ()

    A. Both outgoing and incoming routing updates on R1 will be permitted because the d istribute - list 20 out Serial0/0 command cannot be used with association with the outgoing interface.

    B. All incoming routing updates from R2 will be suppressed, but the outgoing updates will continue to be sent.

    C. Both outgoing and incoming routing up dates on R1 will be stopped because of the passive - interface Serial0/0 configuration statement.

    D. All outgoing routing updates from router R1 to router R2 will be suppressed, but the inbound updates will continue to be received.


    参考答案：C

  • 第5题：

    Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF). Which two statements best describe the OSPF link - state routing pro tocol?（）

    • A、OSPF sends updates every 10 seconds
    • B、OSPF sends triggered updates when a network change occurs
    • C、When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it  to all OSPF devices using the 224.0.0.6 multicast address
    • D、OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization

    正确答案:B,D

  • 第6题：

    What is the requirement of Remote Triggered Black Hole （RTBH ） filtering？（）

    • A、IBGP updates exchange between trigger router and black hole router
    • B、EBGP updates exchange between trigger router and black hole router
    • C、OSPF updates exchange between trigger router and black hole router
    • D、ISIS updates exchange between trigger router and black hole router

    正确答案:A

  • 第7题：

    Cat6500（config）# router ospf 1  Cat6500（config-router）# network 0.0.0.0 255.255.255.255 area 0  Cat6500（config-router）# nsf Cat6500（config-router）#end  Refer to the exhibit. The configuration is used to enable nonstop forwarding for OSPF on a Catalyst 6500 Series  Switch with redundant supervisor engines.  The default CEF configuration is unchanged. After testing， user traffic is interrupted and NSF is not operational.  What is the most likely reason？ （）

    • A、CEF was not properly configured.
    • B、OSPF was not properly configured for graceful restart.
    • C、Stateful switchover was not correctly configured.
    • D、NSF for OSPF is only supported in area 0.

    正确答案:C

  • 第8题：

    During OSPF adjacency formation， what state is a router in when it is sending LSA header information to its neighbor？  （）

    • A、 Init
    • B、 2Way
    • C、 ExStart
    • D、 Exchange

    正确答案:D

  • 第9题：

    Which LSA is used in JUNOS software when a OSPF router restarts？（）

    • A、LSA Type 6
    • B、LSA Type 9
    • C、LSA Type 10
    • D、LSA Type 11

    正确答案:B

  • 第10题：

    单选题
    A network planning diagram shows a large internetwork with many routers. The configurations show that OSPF has been enabled on all interfaces, I P addresses correctly configured, and OSPF workinG. For which of the following cases would you expect a router to create and flood a Type 2 LSA?（）
    A

    When OSPF is enabled on a LAN interface, and the router is the only router connected to the subnet.

    B

      When OSPF is enabled on a point - to -point serial link, and that router has both the higher router ID and higher interface IP address on the link.

    C

    When OSPF is enabled on a Frame Relay point - to - point subinterface, has the lower RID and lower subinterfa ce IP address, and otherwise uses default OSPF configuration on the interface.

    D

    When OSPF is enabled on a working LAN interface on a router, and the router has been elected BDR.

    E

    None of the other answers is correct.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    What is the function of the helper router during a restart event in OSPF?（）
    A

    Sends Rapid Hellos to the restarting router.

    B

    Maintains Adjancency with restarting router.

    C

    Sends periodic DD packets to the restarting router.

    D

    Floods Type 9 LSAs to all routers indicating a restarting event.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    多选题
    What are two examples of RE exception traffic?（）
    A

    BGP updates that travel through the local router and are destined for a remote router.

    B

    OSPF hello packets that are sent from a remote router and are destined for the local router.

    C

    Telnet traffic that is sent from a remote host and is destined for the local router.

    D

    Telnet traffic that travels through the local router and is destined for a remote end host.


    正确答案： A,C
    解析： 暂无解析

  • 第13题：

    When learning a new route, if a LSA received is not found in the topological database, what will an internal OSPF router do?()

    A. The sequence numbers are checked, and if the LSA is val id it is entered into the topology database.

    B. The LSA is placed in the topological database and an acknowledgement is sent to the transmitting router.

    C. The LSA is dropped and a message is sent to the transmitting router.

    D. The LSA is flooded imme diately out of all the OSPF interfaces, except the interface from which the LSA was received.


    参考答案：D

  • 第14题：

    Refer to the exhibit. On the basis of the configuration that is provided, how would the BGP updates that come from router R1 be replicated inside autonomous system 65200?()

    A. All BGP updates that are received on router R 2 will be sent to routers R3 and R4. Routers R3 and R4 will then forward those BGP updates to router R5

    B. None of the BGP updates that are received on router R2 will ever be received by router R5

    C. All BGP updates that are received on router R2 will not be sent to routers R3 and R4

    D. All BGP updates that are received on router R2 will be sent directly to router R5


    参考答案：B

  • 第15题：

    Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF).Which two statements best describe the OSPF link - state routing pro tocol?（）

    A. OSPF sends updates every 10 seconds

    B. OSPF sends triggered updates when a network change occurs

    C. When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it to all OSPF devices using the 224.0.0.6 multicast address

    D. OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization


    参考答案：B, D

  • 第16题：

    Refer to the exhibit. When running OSPF, What would cause router A not to form an adjacency with router B?()

    A.The loopback addresses are on different subnets

    B.The value of the dead timers on the router are different

    C.Route summarization is enabled on both routers

    D.The process indentifier on router A is different than the process identifier on router B


    参考答案：B

  • 第17题：

    What is the function of the helper router during a restart event in OSPF?（）

    • A、Sends Rapid Hellos to the restarting router.
    • B、Maintains Adjancency with restarting router.
    • C、Sends periodic DD packets to the restarting router.
    • D、Floods Type 9 LSAs to all routers indicating a restarting event.

    正确答案:B

  • 第18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

    正确答案:C,D,F

  • 第19题：

    下面哪部分属于OSPF LSA报文头部包含字段（）

    • A、LSA age
    • B、LSA type
    • C、Router ID
    • D、LS sequence number

    正确答案:A,B,D

  • 第20题：

    What are two examples of RE exception traffic?（）

    • A、BGP updates that travel through the local router and are destined for a remote router.
    • B、OSPF hello packets that are sent from a remote router and are destined for the local router.
    • C、Telnet traffic that is sent from a remote host and is destined for the local router.
    • D、Telnet traffic that travels through the local router and is destined for a remote end host.

    正确答案:B,C

  • 第21题：

    多选题
    Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF). Which two statements best describe the OSPF link - state routing pro tocol?（）
    A

    OSPF sends updates every 10 seconds

    B

    OSPF sends triggered updates when a network change occurs

    C

    When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it  to all OSPF devices using the 224.0.0.6 multicast address

    D

    OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization


    正确答案： C,A
    解析： 暂无解析

  • 第22题：

    单选题
    When learning a new route, if a LSA received is not found in the topological database, what will an internal OSPF router do?（）
    A

    The sequence numbers are checked, and if the LSA is val id it is entered into the topology database.

    B

    The LSA is placed in the topological database and an acknowledgement is sent to the transmitting router.

    C

    The LSA is dropped and a message is sent to the transmitting router.

    D

    The LSA is flooded imme diately out of all the OSPF interfaces, except the interface from which the LSA was received.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    Click the Exhibit button. In the exhibit, what is the priority for Router B in VRRP group 100?（）
    A

    1

    B

    100

    C

    110

    D

    255


    正确答案： A
    解析： 暂无解析

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