CMS专题

单选题pany uses MSTP within their switched LAN.  What is the main purpose of Multiple Instance  Spanning Tree Protocol （MSTP）？（）ATo enhance Spanning Tree troubleshooting on multilayer switchesBTo reduce the total number of spanning tree instances necessary f

题目
单选题
pany uses MSTP within their switched LAN.  What is the main purpose of Multiple Instance  Spanning Tree Protocol （MSTP）？（）
A

 To enhance Spanning Tree troubleshooting on multilayer switches

B

 To reduce the total number of spanning tree instances necessary for a particular topology 

C

 To provide faster convergence when topology changes occur in a switched network

D

 To provide protection for STP when a link is unidirectional and BPDUs are being sent but not  received

E

 None of the other alternatives apply

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相似问题和答案

第1题：

what is the use of “unloader “on main air compressor ?


正确答案：The unloader on air compressor is used to reduce the high starting torqueduring starting and also provide a means of draining out the accumulating oil water .

第2题：

Which three characteristics apply to IS － IS but not to OSPF?()

A. uses a default IOS metric of 10 on each interface

B. uses an on - demand circuit to reduce the hello and LSA flooding across switched WAN li nks,such as ISDN

C. uses a DIS and a backup DIS to present the psuedo - node on the LAN

D. encapsulates PDUs directly into a data - link frame

E. uses stubby areas to improve network scalability

F. runs PRC (Partial Route Calculations) to calculate IP re achability information


参考答案：A, D, F

第3题：

What are four main components of a task?


参考答案：A task has four main components: 1) a purpose: making sure the students have a reason for undertaking the task. 2) a context: this can be real simulated or imaginary, and involves sociolinguistic issues such as the location.the participants and their relationship, the time, and other important factors.3) a process: getting the students to use learning strategies such as problem solving, reasoning, inquiringconceptualising and communicating.4) a product: there will be some of outcome, either visible (a written plan, a play, a letter, etc.) or invisible(enjoying a story, learning about another country, etc.).

第4题：

Which two statements are true about firewall filter configurations?（）

  • A、Multiple action modifiers can be included in the same term.
  • B、Only a single action modifier can be included in the same term.
  • C、The default term within a firewall filter uses the discard action.
  • D、The default term within a firewall filter uses the reject action.

正确答案:A,C

第5题：

You need to troubleshoot an issue on the switched LAN. When you issue a command "show port3/1" on a switch， you observe the Giants column has a non-zero entry. What could cause this？（）

  • A、IEEE 802.10
  • B、Misconfigured NIC
  • C、User configuration
  • D、IEEE 802.1Q
  • E、None of the other alternatives apply

正确答案:D

第6题：

Which of the following connectors uses the main board ATX connector type?()

A. Centronix

B. 20/24 pin

C. BNC

D. Molex


参考答案：B

第7题：

I think what（）me about his painting is the colours he uses.

Aappeal

Bappeal to

Cappeals

Dappeals to


D
略

第8题：

– () – For individual income tax, it is within the first 7 days.? ?

A、What is the deadline for tax declaration?

B、What do you mean by taxable services?

C、What do you think of the deadline for tax declaration?


参考答案：A

第9题：

What is the purpose of the spanning-tree algorithm in a switched LAN?（）

  • A、To provide a monitoring mechanism for networks in switched environments.
  • B、To manage VLANs across multiple switches.
  • C、To prevent switching loops in networks with redundant switched paths.
  • D、To segment a network into multiple collision domains.
  • E、To prevent routing loops in networks.

正确答案:C

第10题：

You work as a database administrator for Supportcenter.cn. One of the user sessions was terminated abnormally in the middle of a transaction. What does Oracle database do to recover it？（）

  • A、Uses undo data for roll forward
  • B、Uses Flashback Log for recovery
  • C、Uses online redo logs to roll back
  • D、Uses undo data to roll back the transaction
  • E、Uses Recovery Manager （RMAN） to roll back
  • F、Uses the System Monitor （SMON） background process to perform instance recovery

正确答案:D

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