思科认证考试
four switches， which one will be root switch.（no pic）.
题目
four switches， which one will be root switch.（no pic）.
参考答案和解析
相似问题和答案
第1题：
Which one of the following characteristics is true regarding the use of hubs and switches?
A．Hubs can have their ports be configured with VLANs
B．Using hubs is costly with regard to bandwidth availability.
C．Switches can not forward broadcasts.
D．Switches are more efficient than hubs in processing frames.
E．Switches increase the number of collision domains in the network.
解析：Explanation:Switchesincreasesthenumberofcollisionsdomainsinthenetwork.SwitchesthatareconfiguredwithVLANswillreducethesizeofthecollisiondomainsbyincreasingthenumberofcollisiondomainsinanetwork,butmakingthemsmallerthanthatofonebig,flatnetwork.IncorrectAnswers:A.SwitchesarecapableofVLANconfigurations,buthubsarenot.B.Hubsaregenerallytheleastcostlymethodpossibletoconnectmultipledevicestogetherinanetwork.C.Switchesforwardbroadcastsandmulticasts,bydefault,toallportswithinthesameVLAN.Onlyroutersblockallbroadcasttrafficbydefault.D.Switchesandhubscanbeequallyefficientinprocessingframes,intheory.Inpractice,switchesaregenerallymoreefficientastheyusuallyhavemoreCPUandmemoryallocatedtothem,andaregenerallymuchmoreexpensivethanasimplehub.
第2题：
A.Switches take less time to process frames than hubs take.
B.Switches do not forward broadcasts.
C.Hubs can filter frames.
D.Using hubs can increase the amount of bandwidth available to hosts.
E.Switches increase the number of collision domains in the network.
第3题：
Both bridges are switches are being used throughout the Ezonexam LAN. Which of the following statements are true regarding bridges and switches in this network?
(Choose 3)
A. Switches are primarily software based while bridges are hardware based.
B. Switches usually have a higher number of ports than most bridges.
C. Bridges are frequently faster than switches.
D. Bridges define broadcast domains while switches define collision domains.
E. Both bridges and switches forward Layer 2 broadcasts.
F. Both bridges and switches make forwarding decisions based on Layer 2 addresses.
B,E,F
第4题：
Which protocol provides a method of sharing VLAN configuration information between switches?（）
- A、VTP
- B、STP
- C、ISL
- D、802.1Q
- E、VLSM
正确答案:A
第5题：
Which one of the following characteristics is true regarding the use of hubs and switches?（）
- A、Hubs can have their ports be configured with VLANs
- B、Using hubs is costly with regard to bandwidth availability.
- C、Switches can not forward broadcasts.
- D、Switches are more efficient than hubs in processing frames.
- E、Switches increase the number of collision domains in the network.
正确答案:E
第6题：
A. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link
B. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link
C. to two core switches from redundant distribution switches connected with a Layer 2 link
D. to two core switches from redundant distribution switches connected with a Layer 3 link
E. to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
第7题：
To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）
- A、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link
- B、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link
- C、 to two core switches from redundant distribution switches connected with Layer 2 link
- D、 to two core switches from redundant distribution switches connected with Layer 3 link
- E、 to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
正确答案:D
第8题：
A. Four drives with RAID 0
B. Four drives with RAID 3
C. Four drives with RAID 5
D. Four drives with RAID 10
第9题：
Which of the following statements are true regarding bridges and switches?（）
- A、Switches are primarily software based while bridges are hardware based.
- B、Both bridges and switches forward Layer 2 broadcasts.
- C、Bridges are frequently faster than switches.
- D、Switches have a higher number of ports than most bridges.
- E、Bridges define broadcast domains while switches define collision domains.
- F、Both bridges and switches make forwarding decisions based on Layer 2 addresses.
正确答案:B,D,F
第10题：
When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements?（）
- A、Bridges are faster than switches because they have fewer ports.
- B、A switch is a multiport bridge,
- C、Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
- D、A bridge will forward a broadcast but a switch will not.
- E、Bridges and switches increase the size of a collision domain.
- F、None of the above statements are true.
正确答案:B,C