Why does RSTP have a better convergence time than 802.1D？（）A、it is newerB、it has smaller timersC、it has less overheadD、it is not timer-based

题目

Why does RSTP have a better convergence time than 802.1D？（）

  • A、it is newer
  • B、it has smaller timers
  • C、it has less overhead
  • D、it is not timer-based
相似考题

1.More than one ()the food in the canteen.A、student has complained ofB、student have complained ofC、student has complainedD、student have complained

2.—Why does the stream smell terrible? —Because large quantities of water_____.A、have pollutedB、is being pollutedC、has been pollutedD、have been polluted

3.Kill not the goose that lays the golden eggs. What does the sentence mean?A. It is better to accept something small than to reject it and hope to get more later on.B. If too many people try to do the same thing at the same time, there will be chaos.C. There must be something better after every piece of unpleasantness.D. Anyone who claims more than he has already got is very likely to get nothing atall in the future.

4."Kill not the goose that lays the golden eggs." What does the sentence mean? ()A、It is better to accept something small than to reject it and hope to get more later on.B、If too many people try to do the same thing at the same time, there will be chaos.C、Anyone who claims more than he has already got is very likely to get nothing at all in the future.D、There must be something better after every piece of unpleasantness.

参考答案和解析
正确答案:D
更多“Why does RSTP have a better convergence time than 802.1D？（）A、it is newerB、it has smaller timersC、it has less overheadD、it is not timer-based”相关问题

  • 第1题：

    听力原文： Currency options may have two kinds of value, intrinsic value and time value. If and to the extent that an option would currently be profitable to exercise, it is said to have intrinsic value. In the case of a call, if the spot price is higher than the option exercise price, the option has intrinsic value. In the case of a put, if the spot price is less than the option exercise price, the option has intrinsic value. Such options are said to bein-the-money'. If the opposite is true of either calls or puts, they have no intrinsic value and said to be out-of-the-money'.

    28. What are the two kinds of value do currency options have?

    29.When does a call option have intrinsic value?

    30.What is the option said to be if it has intrinsic value?

    (28)

    A．Intrinsic value and time value.

    B．Internal value and external value.

    C．Exchange value and time value.

    D．Real value and stated value.


    正确答案：A
    解析：录音原文提到Currency options may have two kinds of value, intrinsic value and time value.外汇期权有两种价值：内在价值和时间价值。

  • 第2题：

    Refer to the exhibit. Why has this switch not been elected the root bridge for VLAN1?()

    A.It has more than one interface that is connected to the root network segment.

    B.It is running RSTP while the elected root bridge is running 802.1d spanning tree.

    C.It has a higher MAC address than the elected root bridge.

    D.It has a higher bridge ID than the elected root bridge.


    参考答案：D

  • 第3题：

    We learn from the text that a person with heart disease has a better chance of getting well if

    A．he has a pet companion

    B．he has less stress of work

    C．he often does mental arithmetic

    D．he is taken care of by his family


    正确答案：A

  • 第4题：

    A VLCC（100，000 DWT+）with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a ______．

    A.Bigger propeller

    B.Smaller power weight ratio

    C.Smaller propeller

    D.Larger power weight ratio


    正确答案：B

  • 第5题：

    Why is it that Britain today imports more clothing than it exports?（）

    ABritish clothing is of poor quality.

    BBritain does not grow cotton.

    CMany countries with lower costs can produce clothing more cheaply than the British can.

    DBritain has a highly developed transportation system.


    C
    略

  • 第6题：

    Which of the following is true regarding the effect of EIGRP queries on the network design？（）

    • A、 EIGRP queries will be the most significant issue with respect to stability and convergence 
    • B、 EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a nexthop AD that is greater than the FD of the current successor route 
    • C、 EIGRP queries will only increase the convergence time when there are no EIGRP stubsdesigned in the network

    正确答案:C

  • 第7题：

    Which three statements are correct about the differences in IS - IS and OSPF?（）

    • A、IS - IS is more CPU - intensive than is OSPF
    • B、For greater fine tuning there are more IS - IS timers
    • C、IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAs
    • D、New additions to the protocol are easily implemented in OSPF but not with IS - IS
    • E、OSPF has more area types than does IS - IS

    正确答案:B,C,E

  • 第8题：

    单选题
    You are about to design a very fast convergence time on a service provider network. Which feature wouldyou utilize to declare a link failure within less than two seconds of the fault on a link？（）
    A

    fast convergence SFP

    B

    MTU discovery

    C

    redundancy links

    D

    keepalive

    E

    carrier delay


    正确答案： D
    解析： 暂无解析

  • 第9题：

    填空题
    Why do people like smaller cars now?Because the cost of gas has ____.

    正确答案： greatly increased
    解析：
    细节题。从听力原文中 “However, the price of gas has greatly increased in recent years”可知，此处应该填greatly increased。

  • 第10题：

    单选题
    By no means _____ to her parents.
    A

    this is the first time has she lied

    B

    this is the first time does she tell a lie

    C

    is this the first time she has lied

    D

    is this the first time she was lying


    正确答案： C
    解析：
    句意：这绝不是她第一次对父母撒谎。当有by no mean“绝不”这样的短语放在句首时，句子要倒装，所以排除A、B两项，this/it is the first time后面要用现在完成时，表示“第一次……”因此只有C项符合。

  • 第11题：

    单选题
    Why does RSTP have a better convergence time than 802.1D？（）
    A

    it is newer

    B

    it has smaller timers

    C

    it has less overhead

    D

    it is not timer-based


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following statements is TRUE?
    A

    The less education he or she has, the more regrets she or he would have.

    B

    The more education he or she has, the less regrets she or he would have.

    C

    More women than men had regrets about love and family.

    D

    The regret of action seems to last longer than that of inaction.


    正确答案： B
    解析：

  • 第13题：

    Which three statements are correct about the differences in IS － IS and OSPF?()

    A. IS - IS is more CPU - intensive than is OSPF

    B. For greater fine tuning there are more IS - IS timers

    C. IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAs

    D. New additions to the protocol are easily implemented in OSPF but not with IS - IS

    E. OSPF has more area types than does IS - IS


    参考答案：B, C, E

  • 第14题：

    Refer to the exhibit. Given the output shown from this Cisco Catalyst 2950, what is the most likely reason that interface FastEthernet 0／10 is not the root port for VLAN 2?()

    A.This switch has more than one interface connected to the root network segment in VLAN 2.

    B.This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.

    C.This switch interface has a higher path cost to the root bridge than another in the topology.

    D.This switch has a lower bridge ID for VLAN 2 than the elected designated switch.


    参考答案：C

  • 第15题：

    --Why does the Lake smell terrible?

    --Because large quantities of water .

    A. have polluted B. is being polluted C. has been polluted D. have been polluted


    正确答案：D

  • 第16题：

    The passage is mainly about__________.

    A.what has brought about less working time
    B.why employees want to make more money
    C.why employees have less leisure time
    D.what a good employee should be like

    答案：C
    解析：
    通过对全文的通读和理解，可知本文一直在围绕着为什么现在工作的人的业余时间那么少。

  • 第17题：

    Which two statements are true about 802.1s？（）

    • A、802.1s supports a reduced number of spanning-tree instances.
    • B、802.1s has better convergence times than 802.1w.
    • C、802.1s does not support load balancing over the same physical topology.
    • D、The CPU utilization for 802.1s is lower than the CPU utilization for 802.1w.

    正确答案:A,D

  • 第18题：

    You are about to design a very fast convergence time on a service provider network. Which feature wouldyou utilize to declare a link failure within less than two seconds of the fault on a link？（）

    • A、fast convergence SFP
    • B、MTU discovery
    • C、redundancy links
    • D、keepalive
    • E、carrier delay

    正确答案:E

  • 第19题：

    Which of the following is an advantage of hardware RAID over software RAID？（）

    • A、Hardware RAID costs less than software RAID
    • B、Hardware RAID is built into the operating system’s software
    • C、Hardware RAID has better performance than software RAID
    • D、Hardware RAID requires no configuration and software RAID does

    正确答案:C

  • 第20题：

    单选题
    Why does Asselin question her future as an educator in less than a year´ s time?
    A

    It is a common practice for American young teachers.

    B

    She has experienced too many highs and lows in her work.

    C

    It is totally beyond her expectation to give kids endless test.

    D

    She has grown tired of greeting her kindergartners every day.


    正确答案： A
    解析：

  • 第21题：

    单选题
    Why does Seattle have a better survival rate of cardiac arrest than other cities?
    A

    People in Seattle are probably better off than people in many other states.

    B

    Seattle participates in a government-funded medical research network.

    C

    All medical centers in Seattle are the most high-powered.

    D

    Seattle tracks outcomes of cardiac-arrest cases to judge their performance.


    正确答案： D
    解析：
    推理判断题。由题干信息定位至第四、五、六段。这三段分别介绍了西雅图高存活率的原因：tracks outcomes of cardiac-arrest cases，an exceptionally well-organized EMS system，well informed about what to do in the case of such an emergency，故正确答案是D。

  • 第22题：

    单选题
    The “surveys and statistics” mentioned in the last paragraph might have shown that______.
    A

    college-educated people are more successful than non-college-educated people

    B

    college education was not the first choice for intelligent people

    C

    the less schooling one has the better for him

    D

    most people have sweet memories of college life


    正确答案： C
    解析：
    第三段中指出“也许我们对那些调查统计的看法一直是本末倒置的”，我们总是相信“if a little schooling is good, more has to be much better.”，文章末句又说“与此相反的论据开始多起来了”，于是可知那些调查统计也许一直是被用来肯定高等教育的，故A项正确。

  • 第23题：

    单选题
    Which of the following is true regarding the effect of EIGRP queries on the network design？（）
    A

     EIGRP queries will be the most significant issue with respect to stability and convergence 

    B

     EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a nexthop AD that is greater than the FD of the current successor route 

    C

     EIGRP queries will only increase the convergence time when there are no EIGRP stubsdesigned in the network


    正确答案： C
    解析： 暂无解析

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