多选题Which two of these statements regarding RSTP are correct? ()ARSTP cannot operate with PVST+.BRSTP defines new port roles.CRSTP defines no new port states.DRSTP is a proprietary implementation of IEEE 802.1D STP.ERSTP is compatible with the original IEE

题目
多选题
Which two of these statements regarding RSTP are correct? ()
A

RSTP cannot operate with PVST+.

B

RSTP defines new port roles.

C

RSTP defines no new port states.

D

RSTP is a proprietary implementation of IEEE 802.1D STP.

E

RSTP is compatible with the original IEEE 802.1D STP.


相似考题
更多“多选题Which two of these statements regarding RSTP are correct? ()ARSTP cannot operate with PVST+.BRSTP defines new port roles.CRSTP defines no new port states.DRSTP is a proprietary implementation of IEEE 802.1D STP.ERSTP is compatible with the original IEE”相关问题
  • 第1题:

    Flex Links are a pair of a Layer 2 interfaces (switchports or port channels), where one interface is configured to act as a backup to the other. Which two statements are correct regarding Flex Links?()

    A. An interface can only belong to single Flex Links.

    B. An interface can belong to multiple Flex Links.

    C. Flex Links operate only over single pairs of links.

    D. Flex Links automatically disable STP so no BPDUs are propagated.


    参考答案:C, D

  • 第2题:

    avoid Layer 2 loops. Which two of the following are most probably the reasons for that preference?()

    • A、Information about port roles is sent to all switches.
    • B、RSTPs that are based on Cisco products require no additional configuration.
    • C、Features such as UplinkFast and BackboneFast are compatible with RSTP.
    • D、An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.

    正确答案:B,D

  • 第3题:

    Which two statements regarding system logging on a Juniper enterprise router are correct?()

    • A、The system log has a proprietary format.
    • B、System logs must be sent to a remote device.
    • C、New system logs can be created and archived.
    • D、Most software processes create their own logs.

    正确答案:C,D

  • 第4题:

    Which two states are the port states when RSTP has converged?()

    • A、blocking
    • B、learning
    • C、discarding
    • D、forwarding
    • E、listening

    正确答案:C,D

  • 第5题:

    Which two statements are true regarding views?()

    • A、A subquery that defines a view cannot include the GROUP BY clause 
    • B、A view that is created with the subquery having the DISTINCT keyword can be updated 
    • C、A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated 
    • D、A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table

    正确答案:C,D

  • 第6题:

    多选题
    Which three statements about RSTP are true?()
    A

    RSTP significantly reduces topology reconverging time after a link failure.

    B

    RSTP expends the STP port roles by adding the alternate and backup roles.

    C

    RSTP port atates are blocking,discarding,learing,or forwarding.

    D

    RSTP also uses the STP proprsal-agreement sequence.

    E

    RSTP use the same timer-baseed process as STP on point-to-point links.

    F

    RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.


    正确答案: F,D
    解析: 暂无解析

  • 第7题:

    多选题
    Flex Links are a pair of a Layer 2 interfaces (switchports or port channels), where one interface is configured to act as a backup to the other. Which two statements are correct regarding Flex Links?()
    A

    An interface can only belong to single Flex Links.

    B

    An interface can belong to multiple Flex Links.

    C

    Flex Links operate only over single pairs of links.

    D

    Flex Links automatically disable STP so no BPDUs are propagated.


    正确答案: B,C
    解析: 暂无解析

  • 第8题:

    多选题
    With the following CLI command output performed on an LNS: show l2tp session L2TP session 1/to-Denver/2 is up Which two statements are correct? ()(Choose two.)
    A

    This command was done on the LNS

    B

    This command was done on the LAC

    C

    The 1 defines the destination number

    D

    The 1 defines the session number


    正确答案: A,B
    解析: 暂无解析

  • 第9题:

    多选题
    avoid Layer 2 loops. Which two of the following are most probably the reasons for that preference?()
    A

    Information about port roles is sent to all switches.

    B

    RSTPs that are based on Cisco products require no additional configuration.

    C

    Features such as UplinkFast and BackboneFast are compatible with RSTP.

    D

    An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.


    正确答案: C,A
    解析: 暂无解析

  • 第10题:

    多选题
    Which two statements regarding system logging on a Juniper enterprise router are correct?()
    A

    The system log has a proprietary format.

    B

    System logs must be sent to a remote device.

    C

    New system logs can be created and archived.

    D

    Most software processes create their own logs.


    正确答案: A,D
    解析: 暂无解析

  • 第11题:

    多选题
    Which two statements are true regarding views?()
    A

    A subquery that defines a view cannot include the GROUP BY clause

    B

    A view that is created with the subquery having the DISTINCT keyword can be updated

    C

    A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated

    D

    A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table


    正确答案: D,B
    解析: 暂无解析

  • 第12题:

    多选题
    Which three statements about RSTP aretrue?()
    A

    RSTP significantly reduces topology reconverging time after a link failure.

    B

    RSTP expends the STP port roles by adding the alternate and backup roles.

    C

    RSTP portatates are blocking,discarding,learing,orforwarding.

    D

    RSTP also uses the STP proprsal-agreement sequence.

    E

    RSTP use the same timer-baseed process as STP on point-to-point links.

    F

    RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.


    正确答案: D,E
    解析: 暂无解析

  • 第13题:

    Which two of these statements regarding RSTP are correct?()

    A. RSTP cannot operate with PVST+.

    B. RSTP defines new port roles.

    C. RSTP defines no new port states.

    D. RSTP is a proprietary implementation of IEEE 802.1D STP.

    E. RSTP is compatible with the original IEEE 802.1D STP.


    参考答案:B, E

  • 第14题:

    With the following CLI command output performed on an LNS: show l2tp session L2TP session 1/to-Denver/2 is up Which two statements are correct? ()(Choose two.)

    • A、This command was done on the LNS
    • B、This command was done on the LAC
    • C、The 1 defines the destination number
    • D、The 1 defines the session number

    正确答案:B,C

  • 第15题:

    Which two RSTP port roles include the port as part of the active topology?()

    • A、root
    • B、designated
    • C、alternate
    • D、backup
    • E、forwarding
    • F、learning

    正确答案:A,B

  • 第16题:

    Which two of these statements regarding RSTP are correct? ()

    • A、RSTP cannot operate with PVST+.
    • B、RSTP defines new port roles.
    • C、RSTP defines no new port states.
    • D、RSTP is a proprietary implementation of IEEE 802.1D STP.
    • E、RSTP is compatible with the original IEEE 802.1D STP.

    正确答案:B,E

  • 第17题:

    多选题
    Which two of these statements regarding RSTP are correct?()
    A

    RSTP cannot operate with PVST+.

    B

    RSTP defines new port roles.

    C

    RSTP defines no new port states.

    D

    RSTP is a proprietary implementation of IEEE 802.1D STP.

    E

    RSTP is compatible with the original IEEE 802.1D STP.


    正确答案: A,B
    解析: 暂无解析

  • 第18题:

    多选题
    Which two statements regarding traceroute on JUNOS devices are correct?()
    A

    Traceroute transmits ICMP echo-request packets.

    B

    Traceroute transmits UDP packets.

    C

    Traceroute receives ICMP echo-reply packets.

    D

    Traceroute receives ICMP port-unreachable packets.


    正确答案: B,C
    解析: 暂无解析

  • 第19题:

    多选题
    Which two states are the port states when RSTP has converged?()
    A

    blocking

    B

    learning

    C

    disabled

    D

    forwarding

    E

    listening


    正确答案: C,D
    解析: 暂无解析

  • 第20题:

    多选题
    Which two differentiators make RSTP the preferred protocol for preventing Layer 2 loops in aswitched network environment?() (Choose two.)
    A

    Features such as UplinkFast and BackboneFast are compatible with RSTP.

    B

    An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.

    C

    Cisco proprietary enhancements are not transparent.

    D

    Information about port roles is sent to all switches.

    E

    RSTPs that are based on Cisco products require no additional configuration.


    正确答案: D,B
    解析: 暂无解析

  • 第21题:

    多选题
    Which two statements correctly describe characteristics of the PortFast feature? ()
    A

    STP will be disabled on the port.

    B

    PortFast can also be configured on trunk ports.

    C

    PortFast is required to enable port-based BPDU guard.

    D

    PortFast is used for both STP and RSTP host ports.

    E

    PortFast is used for STP-only host ports.


    正确答案: C,A
    解析: 暂无解析

  • 第22题:

    多选题
    Which three statements about RSTP are true?()
    A

    RSTP significantly reduces topology reconverging time after a link failure.

    B

    RSTP expends the STP port roles by adding the alternate and backup roles.

    C

    RSTP port atates are blocking,discarding,learing,orforwarding.

    D

    RSTP also uses the STP proprsal-agreement sequence.

    E

    RSTP use the same timer-baseed processas STP on point-to-pointlinks.

    F

    RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.


    正确答案: D,A
    解析: 暂无解析

  • 第23题:

    多选题
    Which two RSTP port roles include the port as part of the active topology?()
    A

    root

    B

    designated

    C

    alternate

    D

    backup

    E

    forwarding

    F

    learning


    正确答案: E,D
    解析: 暂无解析