Which command enables RSTP on a switch?（）A、spanning-tree mode rapid-pvstB、spanning-tree uplinkfastC、spanning-tree backbonefastD、spanning-tree mode mst

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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

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相似问题和答案

第1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!

参考答案：C

第2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3题：

Which configuration command enables the router for SNMP?()

A.snmp-client

B.snmp-server

C.snmp-clientenable

D.snmp-serverenable

参考答案：B

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：

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6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

参考答案：D

第7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8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

参考答案：D

第9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10题：

What does the mac packet-classify command do when applied to an interface configuration？（）

A、 It enables MAC ACLs to be applied to only IP packets that enter the interface.
B、 It enables MAC ACLs to be applied to only non-IP packets that enter the interface.
C、 It enables MAC ACLs to be applied to all packets that enter the interface.
D、 It enables MAC ACLs to be used for QoS settings.

正确答案:C

Which command enables RSTP on a

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