更多“NBAR is a Cisc”相关问题
  • 第1题:

    以下关于Risc和CISC的叙述中,不正确的是( )。

    A.RISC通常比CISC的指令系统吏复杂。 B.RISC通常会比CISC配置更多的寄存器C.RISC编译器的子程序库通常要比CISC编译器的子程序库大得多D.RISC比CISC更加适合VLSI工艺的规整性要求


    正确答案:A

  • 第2题:

    You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBAR and NetFlow?()

    A. NBAR examines data in Layers 1 and 4.

    B. NBAR examines data in Layers 3 and 4.

    C. NetFlow examines data in Layers 3 and 4.

    D. NBAR examines data in Layers 2 through 4.


    参考答案:B

  • 第3题:

    WhichQoSmechanismcanhelpclassifydifferentkindsofCitrixtraffic(printjobversusreal-timeterminalcontrol)?()

    A.qos-group

    B.DSCP

    C.LFI

    D.NBAR


    参考答案:D

  • 第4题:

    以下关于CISC/RISC计算机的叙述中,错误的是()。

    A.RISC机器指令比CISC机器指令简单
    B.RISC中通用寄存器比CISC多
    C.CISC机器采用微码比RISC多
    D.CISC比RISC机器可以更好地支持高级语言

    答案:D
    解析:
    与CISC相比,RISC的特点是:指令数量和寻址方式少,指令格式简单,大多数指令在~个时钟周期内完成;CPU内部通用寄存器数量多;控制器多采用硬布线逻辑,且多采用流水线技术,执行速度较快。但是对于高级语言的支持能力相同。

  • 第5题:

    What are the steps for configuring stateful NBAR for dynamic protocols? ()

    • A、use the command ip nbar protocol-discovery to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface
    • B、use the command match protocol rtp to allow identification of real-time audio and video traffic. Use the command ip nbar port-map to extend the NBAR functionality for well-known protocols to new port numbers
    • C、use the command match protocol to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface
    • D、configure a traffic class. Configure a traffic policy. Attach the traffic policy to an interface. 
    • E、configure video streaming. Configure audio streaming. Attach the codec to an interface

    正确答案:D

  • 第6题:

    Which two types of QoS functionality will be provided by Network-Based Application Recognition?()

    • A、NBAR provides the ability to configure MCQ; it is a mandatory MCQ component.
    • B、NBAR provides deep packet inspection and is used for advanced packet classification.
    • C、NBAR provides per-protocol packet and byte accounting functionality; it is used to track bandwidth utilization for all protocols described in the loaded PDLMs.
    • D、NBAR provides scheduling in an MQC policy map using an advanced algorithm.

    正确答案:B,C

  • 第7题:

    Which statement is correct regarding NBAR and NetFlow?()

    • A、NetFlow uses five key fields for the flow
    • B、NBAR examines data in Layers 3 and 4
    • C、NetFlow examines data in Layers 3 and 4
    • D、NBAR examines data in Layers 2 through 4
    • E、NetFlow examines data in Layers 2 through 4

    正确答案:B

  • 第8题:

    CISC


    正确答案: 复杂指令系统计算机,即指令系统中的指令数量多,且指令功能相对较强。

  • 第9题:

    问答题
    什么是CISC?CISC指令系统的特点是什么?

    正确答案: CISC是复杂指令系统计算机的英文缩写。其特点是:
    (1)指令系统复杂庞大,指令数目一般多达2、3百条
    (2)寻址方式多
    (3)指令格式多
    (4)指令字长不固定
    (5)可访存指令不加限制
    (6)各种指令使用频率相差很大
    (7)各种指令执行时间相差很大
    (8)大多数采用微程序控制器
    解析: 暂无解析

  • 第10题:

    单选题
    You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBARand NetFlow?()
    A

     NBAR examines data in Layers 1 and 4.

    B

     NBAR examines data in Layers 3 and 4.

    C

     NetFlow examines data in Layers 3 and 4.

    D

     NBAR examines data in Layers 2 through 4.


    正确答案: B
    解析: 暂无解析

  • 第11题:

    问答题
    What is NBAR?

    正确答案: Network-Based Application Recognition: NBAR is a classification engine that recognizes and classifies a wide variety of protocols and applications.
    解析: 暂无解析

  • 第12题:

    单选题
    Assume that network-based application recognition (NBAR) has been configured to gather traffic for all known protocols on an interface. Which command will display the statistical results of all recognized protocols?()
    A

    showip nbar

    B

    showip nbar pdim

    C

    show ip nbar port-map

    D

    show ip nbar protocol-discovery


    正确答案: C
    解析: 暂无解析

  • 第13题:

    WhichoftheseisabenefitofESM?()

    A.supportsmultipleMIBs

    B.includesNetFlow,NBAR,andIPSLAsoftwaresubsystems

    C.includesNetFlow,syslog,andIPSLAsoftwaresubsystems

    D.includesapredefinedframeworkforfilteringandcorrelatingmessages

    E.supportstwologgingprocessessooutputcanbesentinstandardandESMformat


    参考答案:E

  • 第14题:

    Therouteprocessoriscriticaltotheoperationofanetwork,andanyservicedisruptiontotherouteprocessorcanresultinnetworkoutages.WhichQoStoolcanprotectrouteprocessortraffic?()

    A.controlplanepolicing

    B.dataplanepolicing

    C.network-basedapplicationrecognition(NBAR)

    D.serviceplanepolicing

    E.managementplanepolicing


    参考答案:A

  • 第15题:

    There are two styles in the evolution of instruction set, that is CISC and RISC.Which chip belongs to the CISC?

    A.SOAR

    B.VAX-11/780

    C.CDC6600

    D.IBM RTPC


    正确答案:B

  • 第16题:

    什么是CISC?CISC指令系统的特点是什么?


    正确答案: CISC是复杂指令系统计算机的英文缩写。其特点是:
    (1)指令系统复杂庞大,指令数目一般多达2、3百条
    (2)寻址方式多
    (3)指令格式多
    (4)指令字长不固定
    (5)可访存指令不加限制
    (6)各种指令使用频率相差很大
    (7)各种指令执行时间相差很大
    (8)大多数采用微程序控制器

  • 第17题:

    You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBAR and NetFlow?()

    • A、NBAR examines data in Layers 1 and 4.
    • B、NBAR examines data in Layers 3 and 4.
    • C、NetFlow examines data in Layers 3 and 4.
    • D、NBAR examines data in Layers 2 through 4.

    正确答案:B

  • 第18题:

    You are using NBAR to get a statistical baseline for the applications running on your network butdiscover that some applications are not being recognized. Which of the following are possiblesolutions?(Choose all that apply.)()

    • A、Use the ip nbar pdlm command to allow NBAR to reference a new PDLM in flash memory
    • B、If NBAR doesn’t recognize certain applications you must contact Cisco and ask them to emailyou a new PDLM for that application
    • C、Use the ip nbar port-map command to allow NBAR to recognize certain applications with anev/port number
    • D、The applications not being recognized can be rerouted to an NBAR collector, which has a morecomplete list of applications
    • E、Use the copy nbar flash: command to download a new PDLM file to flash
    • F、Use the ip nbar pdlm command to download a new NBAR reference file from the Cisco website

    正确答案:A,C

  • 第19题:

    What is NBAR?


    正确答案:Network-Based Application Recognition: NBAR is a classification engine that recognizes and classifies a wide variety of protocols and applications.

  • 第20题:

    名词解释题
    CISC

    正确答案: 复杂指令系统计算机,即指令系统中的指令数量多,且指令功能相对较强。
    解析: 暂无解析

  • 第21题:

    问答题
    NBAR is a Cisco IOS feature that can be used to perform three tasks?

    正确答案: (1)Protocol discovery
    (2)Traffic statistics collection
    (3)Traffic classification
    解析: 暂无解析

  • 第22题:

    名词解释题
    CISC技术

    正确答案: 复杂指令集计算机,实现了软件功能向硬件功能转移、便于使机器指令的功能接近高级语言语句的功能、有利于简化汇编语言程序设计,提高高级语言执行效率。
    解析: 暂无解析

  • 第23题:

    单选题
    What are the steps for configuring stateful NBAR for dynamic protocols? ()
    A

    use the command ip nbar protocol-discovery to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface

    B

    use the command match protocol rtp to allow identification of real-time audio and video traffic. Use the command ip nbar port-map to extend the NBAR functionality for well-known protocols to new port numbers

    C

    use the command match protocol to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface

    D

    configure a traffic class. Configure a traffic policy. Attach the traffic policy to an interface. 

    E

    configure video streaming. Configure audio streaming. Attach the codec to an interface


    正确答案: B
    解析: 暂无解析