单选题Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）A the router with the lowest priorityB the router with the highest priorityC the router with the highest S

题目
单选题
Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）
A

the router with the lowest priority

B

the router with the highest priority

C

the router with the highest System ID

D

the router with the highest IP address

相似考题

1.Which of the following correctly describe the various functions and virtues of a router? (Select all valid answer choices)A. Packet switchingB. Collision prevention on a LAN segment.C. Packet filteringD. Broadcast domain enlargementE. Broadcast forwardingF. Internetwork communicationG. None of the above

2.There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A‘s DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80.Which statement is true?（）A. Router A remains the DIS and generates a new pseudonode LSP for that LANB. Router A remains the DIS and NO new pseudonode LSP is generated for that LANC. Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router AD. Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A

3.Which OSPF router will advertise a Type 2 network LSA for a broadcast network segment?()A.AB.BC.CD.D

4.A multicast router may receive thousands of multicast(71)every day for different groups. If a router has no knowledge about the membership status of the(72), it must broadcast all of these packets. This creates a lot of traffic and consumes(73). A better solution is to keep a list of groups in the network for which there is at least one loyal member.(74)helps the multicast router create and update this list. For each group, there is one router that has the duty of distributing the(75)packets destined for that group. This means that if there are three multicast routers connected to a network, their lists of groupids are mutually exclusive. A host or multicast router can have membership in a group.A．packetsB．errorsC．reportsD．alarms

参考答案和解析
正确答案： B
解析： 暂无解析
更多“单选题Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）A the router with the lowest priorityB the router with the highest priorityC the router with the highest S”相关问题

  • 第1题：

    Three IS－IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?()

    A. the router with the lowest priority

    B. the router with the highest priority

    C. the router with the highest System ID

    D. the router with the highest IP address


    参考答案：B

  • 第2题：

    Which of the following devices separates a LAN segment into two collision domains, without affecting the broadcast domain?()

    A.Firewall

    B.Bridge

    C.Repeater

    D.Router


    参考答案：B

  • 第3题：

    In the IS-IS Designated Intermediate System （DIS） election process， which criteria is used for DIS selection？（）

    • A、highest router ID first， then highest priority
    • B、highest MAC address first， then highest priority
    • C、highest router ID first， then highest MAC address
    • D、highest priority first， then highest router ID
    • E、highest priority first， then highest MAC address

    正确答案:E

  • 第4题：

    Which of the following commands on the wireless interface of a cisco 3845 integrated services router allows the ssid to broadcast？（）

    • A、router （config-ssid）# guest-mode
    • B、router （config-ssid）# advertise
    • C、router （config-ssid）# enable
    • D、router （config-ssid）# broadcast

    正确答案:A

  • 第5题：

    Router R1 and R2 are both configured for HSRP.  Which two statements about the HSRP priorities  of these two routers are true？（）

    • A、 To assign the HSRP router priority in a standby group， the standby group-number priority  priority-value global configuration command must be used.
    • B、 The default priority of a router is zero （0）.
    • C、 The no standby priority command assigns a priority of 100 to the router.
    • D、 Assuming that preempting has also been configured， the router with the lowest priority in an  HSRP group would become the active router.
    • E、 When two routers in an HSRP standby group are configured with identical priorities， the router  with the highest configured IP address will become the active router.

    正确答案:C,E

  • 第6题：

    Which of the following correctly describe the various functions and virtues of a router?（）

    • A、Packet switching
    • B、Collision prevention on a LAN segment.
    • C、Packet filtering
    • D、Broadcast domain enlargement
    • E、Broadcast forwarding
    • F、Internetwork communication

    正确答案:A,C,F

  • 第7题：

    If all OSPF routers on a broadcast network have the same OSPF priority， what parameter is used to determine the new BDR at the time of a DR failure？（）

    • A、 area ID
    • B、 router ID
    • C、 loopback address
    • D、 IP address of interface on broadcast network

    正确答案:B

  • 第8题：

    There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）

    • A、No routers are adjacent with each other.
    • B、Only Router A and Router B are adjacent at Level 1.
    • C、Only Router A and Router B are adjacent at Level 2.
    • D、All three routers are adjacent with each other at Level 1.

    正确答案:B

  • 第9题：

    Which two statements best describes the role of a router on a broadcast domain?（）

    • A、Routers facilitate communications within a broadcast domain.
    • B、Routers facilitate communications between broadcast domains.
    • C、Routers are used to break up broadcast domains into separate networks.
    • D、Routers are used to connect small broadcast domains and form larger more efficient broadcast domains

    正确答案:B,C

  • 第10题：

    单选题
    If all OSPF routers on a broadcast network have the same OSPF priority， what parameter is used to determine the new BDR at the time of a DR failure？（）
    A

     area ID

    B

     router ID

    C

     loopback address

    D

     IP address of interface on broadcast network


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A's DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80. Which statement is true?（）
    A

    Router A remains the DIS and generates a new pseudonode LSP for that LAN

    B

    Router A remains the DIS and NO new pseudonode LSP is generated for that LAN

    C

    Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router A

    D

    Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）
    A

    the IP address of the first Fast Ethernet interface

    B

    the IP address of the console management interface

    C

    the highest IP address among its active interfaces

    D

    the lowest IP address among its active interfaces

    E

    the priority value until a loopback interface is configured


    正确答案： A
    解析： 暂无解析

  • 第13题：

    If all OSPF routers on a broadcast network have the same OSPF priority, what parameter is used to determine the new BDR at the time of a DR failure?()

    A. area ID

    B. router ID

    C. loopback address

    D. IP address of interface on broadcast network


    参考答案：B

  • 第14题：

    What is the purpose of the OSPF router ID in a OR／BOR election?()

    A. It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point network

    B. It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF router

    C. It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access network

    D. It is used to determine which interfaces will send Hello packets to neighboring OSPF routers


    参考答案：C

  • 第15题：

    If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）

    • A、the IP address of the first Fast Ethernet interface
    • B、the IP address of the console management interface
    • C、the highest IP address among its active interfaces
    • D、the lowest IP address among its active interfaces
    • E、the priority value until a loopback interface is configured

    正确答案:C

  • 第16题：

    Which two statements regarding the IS-IS DIS election process are true？ （）

    • A、A priority of 0 will prevent a router from becoming a DIS.
    • B、If the DIS becomes unavailable the backup DIS is promoted to DIS.
    • C、Adding a router with a higher priority than the current DIS will result in the new router becoming DIS.
    • D、Separate L1 and L2 election processes are held on a brodcast network.
    • E、L1 routers on a broadcast network only establish adjacencies with the DIS.
    • F、If there is a tie based on priority，the router whose attached interface has the lowest MAC address becomes the DIS.

    正确答案:C,D

  • 第17题：

    What is the purpose of the OSPF router ID in a OR/BOR election?（）

    • A、It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point network
    • B、It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF router
    • C、It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access network
    • D、It is used to determine which interfaces will send Hello packets to neighboring OSPF routers

    正确答案:C

  • 第18题：

    Which of the following devices separates a LAN segment into two collision domains, without affecting the broadcast domain?（）

    • A、Firewall
    • B、Bridge
    • C、Repeater
    • D、Router

    正确答案:B

  • 第19题：

    Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）

    • A、the router with the lowest priority
    • B、the router with the highest priority
    • C、the router with the highest System ID
    • D、the router with the highest IP address

    正确答案:B

  • 第20题：

    There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A's DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80. Which statement is true?（）

    • A、Router A remains the DIS and generates a new pseudonode LSP for that LAN
    • B、Router A remains the DIS and NO new pseudonode LSP is generated for that LAN
    • C、Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router A
    • D、Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A

    正确答案:C

  • 第21题：

    单选题
    In the IS-IS Designated Intermediate System （DIS） election process， which criteria is used for DIS selection？（）
    A

    highest router ID first， then highest priority

    B

    highest MAC address first， then highest priority

    C

    highest router ID first， then highest MAC address

    D

    highest priority first， then highest router ID

    E

    highest priority first， then highest MAC address


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）
    A

    No routers are adjacent with each other.

    B

    Only Router A and Router B are adjacent at Level 1.

    C

    Only Router A and Router B are adjacent at Level 2.

    D

    All three routers are adjacent with each other at Level 1.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）
    A

    the router with the lowest priority

    B

    the router with the highest priority

    C

    the router with the highest System ID

    D

    the router with the highest IP address


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    What is the purpose of the OSPF router ID in a OR/BOR election?（）
    A

    It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point network

    B

    It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF router

    C

    It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access network

    D

    It is used to determine which interfaces will send Hello packets to neighboring OSPF routers


    正确答案： C
    解析： 暂无解析

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