Routers R1, R2, R3, and R4 connect to the same 10.10.10.0/24 LAN- based subnet. OSPF is fully working in the subnet. Later, R5, whose OSPF priority is higher than the other four routers, joins the subnet.Which of the following are true about the OSPF data

题目

Routers R1, R2, R3, and R4 connect to the same 10.10.10.0/24 LAN- based subnet. OSPF is fully working in the subnet. Later, R5, whose OSPF priority is higher than the other four routers, joins the subnet.Which of the following are true about the OSPF database exchange process over this subnet at this point?（）

A. R5 will send its DD, LSR, and LSU packets to the 224.0.0.5 all - DR - routers multicast address.

B. R5 will send its DD, LSR, and LSU pack ets to the 224.0.0.6 all - DR - routers multicast address.

C. The DR will inform R5 about LSAs by sending its DD, LSR, and LSU packets to the 224.0.0.6 all- SPF - routers multicast address.

D. The DR will inform R5 about LSAs by sending its DD, LSR, and LSU pa ckets to the 224.0.0.5 all- SPF - routers multicast address.

相似考题

1.电桥相邻两臂称为相邻臂(如R1与R2，R3与R4)，相对两臂成为相对臂(如R1与R4，R2与R3)。当满足()时，电桥处于平衡状态。

2.在电阻应变仪的全桥电路中,R1、R2、R3、和R4按顺时针排列,当()时,即可起到温度补偿的作用。A、R1和R2为测量工作应变片，R3和R4为温度补偿应变片B、R1和R3为测量工作应变片，R2和R4为温度补偿应变片C、R1和R4为测量工作应变片，R2和R3为温度补偿应变片D、R2和R3为测量工作应变片，R1和R4为温度补偿应变片

3.Refer to the exhibit and the partial configuration on router R2. On router R4 all RIP routes are redistributed into the OSPF domain. A second redistribu tion is configured on router R2 using a route map. Based on the configuration on router R2, which EIGRP external routes will be present in the routing table of R1?（）A. the routes originating from the RIP routing domainB. the routes originating from the OSPF stub areaC. all OSPF inter and intra - area routesD. all routes originating from RIP and OSPF routing domains

4.有一直流电桥电路如下图,其电桥的平衡条件是()。A、R1²R2=R3²R4B、R1²R3=R2²R4C、R1²R4=R2²R3

参考答案和解析
参考答案：B, D
更多“Routers R1, R2, R3, and R4 connect to the same 10.10.10.0／24 LAN－ based subnet. OSPF is fu ”相关问题

  • 第1题：

    Given the network diagram, which routers currently make up the IS － IS backbone?()

    A. R3,R4,R6

    B. R2,R3,R6,R7

    C. R1 through R8

    D. R3,R4,R5,R6

    E. R2,R3,R4,R6,R7


    参考答案：E

  • 第2题：

    Refer to the exhibit. Routers R1 and R2 have been configured to operate with OSPF. Routers R1 and R3 have been configured to operate with RIP. After configuring the redistribution between OSPF a nd RIP on R1, no OSPF routes are distributed into RIP. What should be done to correct this problem? （）

    A. The redistribution command should be reentered with the match route - type parameter included.

    B. The redistribution command should be reentered wit h the route - map map - tag parameter included.

    C. The redistribution command should be reentered with the metric metric - value parameter included.

    D. Routes will first need to be distributed into another protocol, and then into RIP.


    参考答案：C

  • 第3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4题：

    R1(AS1)－－－－－－R2(AS2)－－－－－R3(AS2)－－－－R4(AS2),R1在AS1,R2,R3,R4在AS2,R1和R2建EBGP,R2和R3IBGP,R3和R4IBGP,产生BGP路由从R1传给R2,问这条路有会不会在R4上出现,如果不会,怎么解决.


    No，R4willnothavetheroute.
    Therearethreewaystoresolvethisproblem：
    Firstone：full-meshed
    Secondone：Route-reflector

  • 第5题：

    普通投资者风险承受能力等级应与产品或服务风险等级的匹配，下列符合规定标准的是（ ）。

    A.C1类投资者可购买或接受R1、R2、R3、R4、R5风险等级的产品或服务
    B.C3类投资者可购买或接受R1、R2、R3、R4风险等级的产品或服务
    C.C5类投资者可购买或接受R1、R2、R3、R4、R5风险等级的产品或服务
    D.C2类投资者可购买或接受R1、R2、R3风险等级的产品或服务

    答案：C
    解析：
    《期货经营机构投资者适当性管理实施指引（试行）》第二十四条普通投资者风险承受能力等级与产品或服务风险等级的匹配，应当按照以下标准确定：（一）C1类投资者（含风险承受能力最低类别）可购买或接受R1风险等级的产品或服务；
    （二）C2类投资者可购买或接受R1、R2风险等级的产品或服务；
    （三）C3类投资者可购买或接受R1、R2、R3风险等级的产品或服务；
    （四）C4类投资者可购买或接受R1、R2、R3、R4风险等级的产品或服务；
    （五）C5类投资者可购买或接受R1、R2、R3、R4、R5风险等级的产品或服务。
    风险承受能力最低类别的投资者只可购买或接受R1风险等级的产品或服务。专业投资者可购买或接受所有风险等级的产品或服务。

  • 第6题：

    Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）

    • A、Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.
    • B、R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.
    • C、R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.
    • D、All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.

    正确答案:A

  • 第7题：

    已知4个电阻R1=R2=10Ω，R3=R4=20Ω，并联，求总电阻？


    正确答案: 总电阻约为3.33Ω。

  • 第8题：

    Ten routers, R1 through R10, connect in a partial mesh over Frame Relay. For the mesh, R1 and R2 have PVCs connected to all other routers, but Routers R3 through R10 act as branch routers, with only two PVCs - one to R1 and one to R2. The routers u se IP subnet 10.1.1.0/24, with addresses 10.1.1.1, 10.1.1.2, and so on, through 10.1.1.10, respectively. The routers all use Inverse ARP to learn Frame Relay mapping information. All routers use a multipoint subinterface with network type point - tomultip oint nonbroadcast. A co - worker's implementation plan lists lots of configuration commands related to this design. The design states that all hosts should be able to ping all other hosts. Which commands are required for proper functioning of OSPF in this case?（）

    • A、frame - relay map commands on R3 - R10 referencing the other routers in this group
    • B、Nine OSPF neighbor commands on each router
    • C、Nine OSPF neighbor commands on R1 and R2, with only two such commands on R3 - R10
    • D、R1 and R2 with ip ospf prio rity 1 commands to ensure they become DR and BDR
    • E、R3 - R10 with ip ospf priority 0 commands to ensure they do not become DR or BDR

    正确答案:A,C

  • 第9题：

    Routers R1, R2, R3, and R4 connect to the same 10.10.10.0/24 LAN- based subnet. OSPF is fully working in the subnet. Later, R5, whose OSPF priority is higher than the other four routers, joins the subnet. Which of the following are true about the OSPF database exchange process over this subnet at this point?（）

    • A、R5 will send its DD, LSR, and LSU packets to the 224.0.0.5 all - DR - routers multicast address.
    • B、R5 will send its DD, LSR, and LSU pack ets to the 224.0.0.6 all - DR - routers multicast address.
    • C、The DR will inform R5 about LSAs by sending its DD, LSR, and LSU packets to the 224.0.0.6 all- SPF - routers multicast address.
    • D、The DR will inform R5 about LSAs by sending its DD, LSR, and LSU pa ckets to the 224.0.0.5 all- SPF - routers multicast address.

    正确答案:B,D

  • 第10题：

    在一电路中，共有4个用电器，已知用电器的电阻R1、R2、R3、R4都为9Ω，将R1、R2和R3并联，再与R4串联组成串并联电路，求该电路的总电阻值？


    正确答案: 由并联电路可得
    R并=R1*R2*R3/（R1*R3+R3*R2+R1*R2）=9*9*9/243=3（Ω）
    由串联电路可得
    R总=R并+R4=3+9=12（Ω）
    该电路的总电阻值为12（Ω）。

  • 第11题：

    单选题
    Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）
    A

    Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.

    B

    R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.

    C

    R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.

    D

    All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    在电阻应变仪的全桥电路中，R1、R2、R3和R4按顺时针排列，当（）时，即可起到温度补偿的作用。
    A

    R1和R2为测量工作应变片，R3和R4为温度补偿应变片

    B

    R1和R3为测量工作应变片，R2和R4为温度补偿应变片

    C

    R1和R4为测量工作应变片，R2和R3为温度补偿应变片

    D

    R2和R3为测量工作应变片，R1和R4为温度补偿应变片


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Refer to the exhibit. OSPF is configured on all routers in the network. On the basis of the show ip ospf n eighbor output, what prevents R1 from establishing a full adjacency with R2? ()

    A. Router R1 will only establish full adjacency with the DR and BDR on broadcast multi- access networks.

    B. Router R2 has been elected as a DR for the broadcast multiaccess network in OSPF area 1.

    C. Routers R1 and R2 are configured as stub routers for OSPF area 1 and OSPF area 2.

    D. Router R1 and R2 are configured for a virtual link between OSPF area 1 and OSPF area 2.

    E. The Hello parameters on routers R1 and R2 do not m atch.


    参考答案：A

  • 第14题：

    Refer to the exhibit. Autonomous systems 200 and 300 have EBGP sessions established with their directly connected routers in au tonomous system 100. IGP has been configured on all routers in autonomous system 100 and they successfully exchange routing updates. Traffic originated in autonomous system 200 cannot reach the destination autonomous system 300. What configuration shoul d be done on the routers in autonomous system 100 in order for the traffic coming from autonomous system 200 to be forwarded to autonomous system 300?（）

    A. IBGP session must be established between routers R1 R2 and R2 R3, and the synchronization must be turned off.

    B. IBGP speakers within autonomous 100 must be fully meshed, and the synchronization must be turned on.

    C. IBGP session must be established between routers R1 R2 and R2 R3, and the synchronization must be turned on.

    D. IBGP session mu st be established between routers R1 and R3, and the synchronization must be turned off.

    E. IBGP speakers within autonomous 100 must be fully meshed, and the synchronization must be turned off.

    F. IBGP session must be established between routers R1 and R3, and the synchronization must be turned on.


    参考答案：E

  • 第15题：

    Refer to the exhibit. EIGRP is configured with the default configuration on all routers. Auto summariz ation is enabled on routers R2 and R3, but it is disabled on router R1.Which two EIGRP routes will be seen in the routing table of router R3?（）

    A. 10.0.0.0/8

    B. 172.16.10.0/24

    C. 172.16.0.0/24

    D. 10.10.10.0/24

    E. 172.16.0.0/16

    F. 10.10.0.0/16


    参考答案：D, E

  • 第16题：

    如图D-9所示，R1=R2=R3=R4，求等效电阻R。


    答案：
    解析：
    解：图(a)的等效电路为图(b)，由图(b)可得
    R5=R1×R2／(R1+R2)+R3=(3／2)R1
    R=R5×R4／(R5+R4)=3／5R1
    答：等效电阻R为3／5R1。

  • 第17题：

    如右图所示，其中R1=5Ω，R2=10Ω，R3=8Ω，R4=3Ω，R5=6Ω，求图中A、B端等效电阻R？


    正确答案:Ra=R4//R5=R4R5/（R4+R5）=3×6/（3+6）=2ΩRb=R3+Ra=8+2=10Ω
    Rc=R2//R6=R2R6/（R2+R6）=10×10/（10+10）=5ΩRab=R1+Rc=5+5=10Ω
    A、B端的等效电阻R为10Ω

  • 第18题：

    程序段N10 R1=30 R2=32 R3=50 R4=20；N20 G00 X=R2*SIN（R1）+R4 Z=R2*COS（R1）+R3；中，只对X坐标值有影响的R参数是（）（SIEMENS系统）。

    • A、R1
    • B、R2
    • C、R3
    • D、R4

    正确答案:D

  • 第19题：

    采样的5个值分别存放在R0、R1、R2、R3、R4中，求出它们的中间值，并存放在R2中。


    正确答案: 1  ORG 00H
    > 0000  7805      2  MOV R0，#5
    0002  7906      3  MOV R1，#6
    0004  7A07      4  MOV R2，#7
    0006  7B08      5  MOV R3，#8
    0008  7C09      6  MOV R4，#9
    000A  E4        7  CLR A ；
    000B  C3        8  CLR C ；
    000C  E8        9  MOV A，R0 ；
    000D  29        10  ADD A，R1 ；
    000E  2A        11  ADD A，R2 ；
    000F  2B         12  ADD A，R3
    0010  2C        13  ADD A，R4
    0011  75F005   14  MOV B，#5
    0014  84           15  DIV  AB
    0015  FA           16  MOV R2，A
    0016            17  END
    18  END

  • 第20题：

    在备份文件的子文件中，R1和R2文件包含计费数据，R3和R4文件存储系统的交换数据。在系统自动RELOAD时，加载R1和R2中的文件，加载R3（）和R4中（）的文件。


    正确答案:最新；时间较早

  • 第21题：

    Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers. Which of the following is true on R1?（）

    • A、The show ip ospf neighbors command lists two neighbors off Fa0/0.
    • B、The show ip ospf neighbors command lists four neighbors off Fa0/0.
    • C、The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.
    • D、The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.

    正确答案:B,C

  • 第22题：

    多选题
    Refer to the graphic. R1 is unable to establish an OSPF neighbor relationship with R3. What are possible reasons for this problem?（）
    A

    All of the routers need to be configured for backbone Area 1.

    B

    R1 and R2 are the DR and BDR, so OSPF will not establish neighbor adjacency with R3.

    C

    A static route has been configured from R1 to R3 and prevents the neighbor adjacency from being established.

    D

    The hello and dead interval timers are not set to the same values on R1 and R3.

    E

    EIGRP is also configured on these routers with a lower administrative distance.

    F

    R1 and R3 are configured in different areas.


    正确答案： B,F
    解析： 暂无解析

  • 第23题：

    多选题
    Ten routers, R1 through R10, connect in a partial mesh over Frame Relay. For the mesh, R1 and R2 have PVCs connected to all other routers, but Routers R3 through R10 act as branch routers, with only two PVCs - one to R1 and one to R2. The routers u se IP subnet 10.1.1.0/24, with addresses 10.1.1.1, 10.1.1.2, and so on, through 10.1.1.10, respectively. The routers all use Inverse ARP to learn Frame Relay mapping information. All routers use a multipoint subinterface with network type point - tomultip oint nonbroadcast. A co - worker's implementation plan lists lots of configuration commands related to this design. The design states that all hosts should be able to ping all other hosts. Which commands are required for proper functioning of OSPF in this case?（）
    A

    frame - relay map commands on R3 - R10 referencing the other routers in this group

    B

    Nine OSPF neighbor commands on each router

    C

    Nine OSPF neighbor commands on R1 and R2, with only two such commands on R3 - R10

    D

    R1 and R2 with ip ospf prio rity 1 commands to ensure they become DR and BDR

    E

    R3 - R10 with ip ospf priority 0 commands to ensure they do not become DR or BDR


    正确答案： A,E
    解析： 暂无解析

  • 第24题：

    多选题
    A company uses Routers R1 and R2 to connect to ISP1 and ISP2, respectively, with Routers I1 and I2 used at th e ISPs. R1 peers with I1 and R2; R2 peers with I2 and R1. R1 and R2 do not share a common subnet, relying on other routers internal to the Enterprise for IP connectivity between the two routers. Which of the following could be used to prevent potential routing loops in this design?（）
    A

    Using an iBGP mesh inside the Enterprise core

    B

    Configuring default routes in the Enterprise pointing to both R1 and R2

    C

    Redistributing BGP routes into the Enterprise IGP

    D

    Tunneling the packets for the i BGP connection between R1 and R2


    正确答案： A,C
    解析： 暂无解析

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