参考答案和解析
参考答案:A
更多“Which command enables RSTP on aswitch?() ”相关问题
  • 第1题:

    Which command enables RSTP on a switch?()

    A. spanning-tree mode rapid-pvst

    B. spanning-tree uplinkfast

    C. spanning-tree backbonefast

    D. spanning-tree mode mst


    参考答案:A

  • 第2题:

    Which command enables RSTP on aswitch?()

    • A、spanning-tree mode rapid-pvst
    • B、spanning-tree uplinkfast
    • C、spanning-tree backbonefast
    • D、spanning-tree mode mst

    正确答案:A

  • 第3题:

    In a Cisco SDN, every element in the network acts as a point of defense. Which two best describethe features of Cisco SDN? ()

    • A、 enables automated threat response
    • B、 enables noncompliant device access
    • C、 enables endpoint posture enforcement
    • D、 enables third-party client and server protocols

    正确答案:A,C

  • 第4题:

    The Company network utilizes the Multiple-instance Spanning Tree protocol in its switched LAN.   Which three statements about the MST protocol (IEEE 802.1S) are true? ()

    • A、 To verify the MST configuration, the show pending command can be used in MST configuration  mode.
    • B、 When RSTP and MSTP are configured; UplinkFast and BackboneFast must also be enabled.
    • C、 All switches in the same MST region must have the same VLAN-to-instance mapping, but  different configuration revision numbers.
    • D、 All switches in an MST region, except distribution layer switches, should have their priority  lowered from the default value 32768.
    • E、 An MST region is a group of MST switches that appear as a single virtual bridge to adjacent  CST and MST regions.
    • F、 Enabling MST with the "spanning-tree modemst" global configuration command also enables  RSTP.

    正确答案:A,E,F

  • 第5题:

    Which command enables IPv6 forwarding on a cisco router?()

    • A、ipv6 host
    • B、ipv6 unicast-routing
    • C、ipv6 local
    • D、ipv6 neighbor

    正确答案:B

  • 第6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7题:

    Which configuration command enables the router for SNMP?()

    • A、snmp-client
    • B、snmp-server
    • C、snmp-clientenable
    • D、snmp-serverenable

    正确答案:B

  • 第8题:

    单选题
    On switch R1 you issue the "udld enable" global command.  What does this command accomplish? ()
    A

     Enables all fiber-optic LAN ports for Unidirectional LINK Detection (UDLD)

    B

     Enables all copper media LAN ports Unidirectional Link Detection (UDLD)

    C

     Overrides the default UDLS setting for all ports

    D

     Globally enables all ports on the device for Unidirectional Link Detection (UDLS)

    E

     None of the other alternatives apply


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    You need to set the default gateway of one of your TestKing switches. Which command will set the default gateway to 192.168.12.1 on a Cisco switch?()
    A

    Switch(config)# ip default-network 192.168.12.1

    B

    Switch(config)#ip route-default 192.168.12.1

    C

    Switch(config)# ip default-gateway 192.168.12.1

    D

    Swicth(config)# ip route 192.168.12.1 0.0.0.0


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    A port in a redundant topology is currently in the blocking state and is not receiving BPDUs. To ensure that this port does not erroneously transition to the forwarding state,  which command should be configured to satisfy the requirement?()
    A

    Switch(config)#spanning-tree loopguard default

    B

    Switch(config-if)#spanning-tree bdpufilter

    C

    Switch(config)#udld aggressive

    D

    Switch(config-if)#spanning-tree bpduguard


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    Which command enables RSTP on aswitch?()
    A

    spanning-tree mode rapid-pvst

    B

    spanning-tree uplinkfast

    C

    spanning-tree backbonefast

    D

    spanning-tree mode mst


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Which command enables RSTP on a switch?()
    A

    spanning-tree mode rapid-pvst

    B

    spanning-tree uplinkfast

    C

    spanning-tree backbonefast

    D

    spanning-tree mode mst


    正确答案: A
    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:

    What are three results of issuing the switchport host command? ()

    • A、enables PortFast
    • B、disables trunking
    • C、disables Cisco Discovery Protocol
    • D、enables port security
    • E、enables loopguard
    • F、disables EtherChannel

    正确答案:A,B,F

  • 第15题:

    When you are logged into aswitch,which prompt indicates that you are inprivileged mode?()

    • A、%
    • B、@
    • C、>
    • D、$
    • E、#

    正确答案:E

  • 第16题:

    On switch R1 you issue the "udld enable" global command.  What does this command accomplish? ()

    • A、 Enables all fiber-optic LAN ports for Unidirectional LINK Detection (UDLD)
    • B、 Enables all copper media LAN ports Unidirectional Link Detection (UDLD)
    • C、 Overrides the default UDLS setting for all ports
    • D、 Globally enables all ports on the device for Unidirectional Link Detection (UDLS)
    • E、 None of the other alternatives apply

    正确答案:A

  • 第17题:

    Which command enables RSTP on a switch?()

    • A、spanning-tree mode rapid-pvst
    • B、spanning-tree uplinkfast
    • C、spanning-tree backbonefast
    • D、spanning-tree mode mst

    正确答案:A

  • 第18题:

    Which command enables new devices that are connected to the scsi5 adapter without performing a full scan of the system?()

    • A、cfgmgr -f scsi5
    • B、cfgmgr -i scsi5
    • C、cfgmgr -t scsi5
    • D、cfgmgr -l scsi5

    正确答案:D

  • 第19题:

    Identify four uses of the Oracle Scheduler.()

    • A、 enables Oracle database to schedule which processes execute on which processors in a multiple CPU environment
    • B、 enables Oracle database to do patches according to a DBA-defined schedule
    • C、 enables you to schedule the execution of jobs based on time
    • D、 enables you to execute jobs in a clustered environment
    • E、 enables you to periodically execute operating systemscript files located on the same server as the database
    • F、 enables you to create a job that makes use of saved programs and schedules
    • G、 enables you to automate the management of the jobs that are created using the DBMS_JOB package

    正确答案:C,D,E,F

  • 第20题:

    单选题
    Which Cisco IOS command globally enables port-based authentication on a switch? ()
    A

    aaa port-auth enable

    B

    radius port-control enable

    C

    dot1x system-auth-control

    D

    switchport aaa-control enable


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    Which command enables OSPF for IPv6?()
    A

    router ospf ipv6 process - id

    B

    ipv6 ospf process - id

    C

    router ospf process - id

    D

    ipv6 router ospf process - id


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    Which command enables a user to exit the vi editor, overwriting the existing file without prompting for confirmation?()
    A

    :w

    B

    :qw

    C

    :x!

    D

    :we!


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Which CLI command enables the DHCP External Server function on an E-series router?()
    A

    service dhcp-external

    B

    set dhcp external server

    C

    set dhcp-external server

    D

    dhcp external server


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    Which command enables IPv6 forwarding on a cisco router?()
    A

    ipv6 host

    B

    ipv6 unicast-routing

    C

    ipv6 local

    D

    ipv6 neighbor


    正确答案: D
    解析: 暂无解析