单选题Which function enforces logical data throughput rates that are below the actual physical line rate of a port?（）A rate limitingB data policingC classificationD bandwidth limiting

题目
单选题
Which function enforces logical data throughput rates that are below the actual physical line rate of a port?（）
A

rate limiting

B

data policing

C

classification

D

bandwidth limiting

相似考题

1.The maximum data rate of any single wireless link can be described by the shannon’s theorem which is related to the（）in hertz，and the（）on the channelA．signal frequency B．bandwidth C．carrier frequency D．noise frequency A．signal B．caeeier C．noise D．data signal

2.Which function enforces logical data throughput rates that are below the actual physical line rate of a port?()A.rate limitingB.data policingC.classificationD.bandwidth limiting

3.Which of the following has the HIGHEST data rate speed?()A.T1B.ADSLC.SDSLD.OC-3

4.is a channel's capacity which directly reflects the data transfer rate of the channel.A．The delayB．The volumeC．The noiseD．The bandwidth

更多“单选题Which function enforces logical data throughput rates that are below the actual physical line rate of a port?（）A rate limitingB data policingC classificationD bandwidth limiting”相关问题

  • 第1题：

    Which of the following wireless standards has the highest maximum data rate?()

    A.802.11n

    B.802.11b

    C.802.11a

    D.802.11g


    参考答案：A

  • 第2题：

    The AirMagnet passive site survey tool can provide RF coverage data， except for which parameter？（）

    • A、Signal strength （4th access point）
    • B、Signal strength （3rd access point）
    • C、Channel interference
    • D、Predictive physical data rate downlink （2nd access point）

    正确答案:A

  • 第3题：

    At which OSI layer is a logical path created between two host systems（）。

    • A、session
    • B、transport
    • C、network
    • D、data link
    • E、physical

    正确答案:C

  • 第4题：

    Which two statements are true about the digital audio in a VoIP network？ （）

    • A、 Standard encoding techniques create an uncompressed digital data rate of 4000 bps.
    • B、 Standard encoding techniques create an uncompressed digital data rate of 8000 bps.
    • C、 Standard encoding techniques create an uncompressed digital data rate of 64，000 bps.
    • D、 Voice quality is not a concern if compression is not used.
    • E、 Two methods of quantization are linear and logarithmic.
    • F、 Two methods of compression are u-law and a-law.

    正确答案:C,E

  • 第5题：

    Which of the following has the HIGHEST data rate speed?（）

    • A、T1
    • B、ADSL
    • C、SDSL
    • D、OC-3

    正确答案:D

  • 第6题：

    Which function enforces logical data throughput rates that are below the actual physical line rate of a port?（）

    • A、rate limiting
    • B、data policing
    • C、classification
    • D、bandwidth limiting

    正确答案:A

  • 第7题：

    单选题
    What is the effect of turning on all available downstream carrier tones in a DMT DSL transmissionsystems？（）
    A

    Downstream RS error correction effectiveness is reduced

    B

    The downstream line rate and throughput remains unchanged， but FEC efficiency is reduced

    C

    The upstream DSL bandwidth is reduced， since less carriers become available for upstream traffic

    D

    The downstream DSL bandwidth is increased


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    Two DS8700 systems have been proposed for a disk-to-disk BC solution. Each system has 200 TB installed， with a data change rate of 18% per day. Two 2 Gbps CWDM links are in place between the remote data centers with an average utilization rate of 55%. The proposed solution   includes additional CWDM ports.  Which of the following should justify the additional CWDM ports（）
    A

    the Disk Magic configuration report

    B

    an engineer from thetelcom providing the dark fiber

    C

    the bandwidth calculations

    D

    aCompeteLine analysis


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Which color does the router assign to packets received at a datarate that is above the committed rate but is below the peak rate?（）
    A

    red

    B

    white

    C

    green

    D

    yellow


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following has the HIGHEST data rate speed?（）
    A

    T1

    B

    ADSL

    C

    SDSL

    D

    OC-3


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    Which IOS QoS mechanism is used strictly to rate limit traffic destinedto the router itself？（）
    A

     Class-Based Policing

    B

     Control Plane Policing

    C

     Dual-Rate Policier

    D

     Single-Rate Policier

    E

     Class-BasedTraffic Shaper


    正确答案： E
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following has a maximum data rate of 11Mbps?（）
    A

    802.11n

    B

    802.11g

    C

    802.11b

    D

    802.11a


    正确答案： B
    解析： 暂无解析

  • 第13题：

    All data are stored in stacked semiconductor dynamic RAM memory boards; the information recorded，the（）rate，and the order in which the data are stored differ.

    A．receiving B．stacking C．sampling D．erasing


    正确答案：C

  • 第14题：

    What is the effect of turning on all available downstream carrier tones in a DMT DSL transmissionsystems？（）

    • A、Downstream RS error correction effectiveness is reduced
    • B、The downstream line rate and throughput remains unchanged， but FEC efficiency is reduced
    • C、The upstream DSL bandwidth is reduced， since less carriers become available for upstream traffic
    • D、The downstream DSL bandwidth is increased

    正确答案:D

  • 第15题：

    Which two statements are correct regarding multicast implementation using a WLAN controller (v5.2) and AP?（）

    • A、Multicast traffic is sent out on Cisco APs at the highest mandatory data rate.
    • B、Multicast traffic is sent out on Cisco APs at the highest supported data rate.
    • C、On Cisco APs， multicast traffic and beacons are sent out at the same data rates to maintain a common  cell size for normal data as well as multicast data.
    • D、If there is more than one mandatory data rate， multicast traffic will be sent at the highest mandatory rate  and beacons will be sent at the lowest mandatory rate.
    • E、On Cisco APs， multicast traffic will be sent out at the highest data rate that a client can maintain with the  AP.

    正确答案:A,D

  • 第16题：

    Which IOS QoS mechanism is used strictly to rate limit traffic destinedto the router itself？（）

    • A、 Class-Based Policing
    • B、 Control Plane Policing
    • C、 Dual-Rate Policier
    • D、 Single-Rate Policier
    • E、 Class-BasedTraffic Shaper

    正确答案:B

  • 第17题：

    Two DS8700 systems have been proposed for a disk-to-disk BC solution. Each system has 200 TB installed， with a data change rate of 18% per day. Two 2 Gbps CWDM links are in place between the remote data centers with an average utilization rate of 55%. The proposed solution   includes additional CWDM ports.  Which of the following should justify the additional CWDM ports（）

    • A、the Disk Magic configuration report
    • B、an engineer from thetelcom providing the dark fiber
    • C、the bandwidth calculations
    • D、aCompeteLine analysis

    正确答案:C

  • 第18题：

    DDR RAM（Double Data Rate）


    正确答案: 二倍数据速度。它的速度比SDRAM提高一倍，其核心建立在SDRAM的基础上，但在速度和容量上有了提高。对比SDRAM，它使用了更多、更先进的同步电路。而且采用了DLL（DelayLockedLoop：延时锁定回路）提供一个数据滤波信号（DataStrobesignal）。当数据有效时，存储控制器可使用这个数据滤波信号来精确定位数据，每16次输出一次。DDR本质上不需要提高时钟频率就能加倍提高SDRAM的速度，它允许在时钟脉冲的上升沿和下降沿读出数据，因此，它的速度是标准SDRAM的两倍。

  • 第19题：

    单选题
    Which of the following data network would you implement if you wanted a wireless network that had a relatively high data rate, but was limited to very short distances?（）
    A

    Broadband personal comm. Service (PCS)

    B

    Broadband circuit

    C

    Infrared

    D

    Spread spectrum

    E

    Cable


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    The AirMagnet passive site survey tool can provide RF coverage data， except for which parameter？（）
    A

    Signal strength （4th access point）

    B

    Signal strength （3rd access point）

    C

    Channel interference

    D

    Predictive physical data rate downlink （2nd access point）


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Which of the following wireless standards has the highest maximum data rate?（）
    A

    802.11n

    B

    802.11b

    C

    802.11a

    D

    802.11g


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    A design requires 100 access points with high channel bandwidth and disabled lower data rates.How are the data rates set on the Cisco WLC and Cisco WCS？（）
    A

    per SSID

    B

    per access point

    C

    globally

    D

    per WLAN and radio


    正确答案： A
    解析： 暂无解析

  • 第23题：

    多选题
    Which two statements are true about the digital audio in a VoIP network？ （）
    A

    Standard encoding techniques create an uncompressed digital data rate of 4000 bps.

    B

    Standard encoding techniques create an uncompressed digital data rate of 8000 bps.

    C

    Standard encoding techniques create an uncompressed digital data rate of 64，000 bps.

    D

    Voice quality is not a concern if compression is not used.

    E

    Two methods of quantization are linear and logarithmic.

    F

    Two methods of compression are u-law and a-law.


    正确答案： D,E
    解析： 暂无解析

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