CMS专题
单选题By default， all VLANs will belong to which MST instance when using Multiple STP？ （）AMST00BMST01Cthe last MST instance configuredDnone
题目
MST00
MST01
the last MST instance configured
none
参考答案和解析
相似问题和答案
第1题：
A.no VLANs
B.all VLANs
C.only VLANs 1 - 64
D.only the VLANs that are specified when creating the trunk
第2题：
Which three items are configured in MST configuration submode？ （）
- A、 Region name
- B、 Configuration revision number
- C、 VLAN instance map
- D、 IST STP BPDU hello timer
- E、 CST instance map
- F、 PVST+ instance map
正确答案:A,B,C
第3题：
A new trunk has been configured on a switch in the Ezonexam LAN. By default, which VLANs are allowed over this trunk link?
A. No VLANs
B. Only the VLANs that are specified when creating the trunk
C. Only VLANs 1-64
D. All VLANs
E. All VLAN's except VLAN 1
F. None of the above
D
第4题：
Refer to Topic TestKing.com in iPAD document.What happens to the network when TestKingX is reconnected and a trunk exists between the two switches?（）
- A、All VLANs except the default VLAN will be removed from all switches.
- B、All existing switches will have the students, admin, faculty, Servers, Management,Production, and no-where VLANs.
- C、The VLANs Servers, Management, Production, and no-where will replace the VLANs on SwX.
- D、The VLANs Servers, Management, Production, and no-where will be removed from existing switches.
正确答案:D
第5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6题：
Which statement is most correct regarding vNICs and VLANs?（）
- A、only the default vlan has traffic that is tagged
- B、All vNICs have to be associated with one or more VLANs except for the default vlan
- C、vlan must be configured before configuring them into a vNIC
- D、Tagging is done by the operating system NIC if the flag is set to tag traffic
正确答案:C
第7题：
You have configured voice VLANs on Catalyst switch R1. Which two statements are true about the operation of voice VLANs on this device？ （）
- A、 When the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port.
- B、 Enabling voice VLANs enables the switch to create multiple queues for traffic that is entering a port.
- C、 When voice VLANs are configured on a trunk link， UplinkFast must also be enabled.
- D、 Voice VLANs are configured to enable the switch to forward frames marked with the proper CoS values over separate physical links.
- E、 Enabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.
正确答案:A,E
第8题：
A. All VLANs except the default VLAN will be removed from all switches.
B. All existing switches will have the students, admin, faculty, Servers, Management,Production, and no-where VLANs.
C. The VLANs Servers, Management, Production, and no-where will replace the VLANs on SwX.
D. The VLANs Servers, Management, Production, and no-where will be removed from existing switches.
第9题：
Which spanning tree mode will allow you to put multiple vlans into one instance？
正确答案:MST
第10题：
By default， all VLANs will belong to which MST instance when using Multiple STP？ （）
- A、 MST00
- B、 MST01
- C、 the last MST instance configured
- D、 none
正确答案:A