Which QoS requirement applies to streaming video traffic?()A. one-way latency of 150 ms to 200 msB. jitter of 30 ms or lessC. packet loss of 2 percent or lessD. 150bps of overhead bandwidth

题目
Which QoS requirement applies to streaming video traffic?()

A. one-way latency of 150 ms to 200 ms

B. jitter of 30 ms or less

C. packet loss of 2 percent or less

D. 150bps of overhead bandwidth

相似考题

1.All traffic, be it e-mail or streaming video, travels via a method called packet switching, (97)parcels out digital data into small chunks, or packets, and sends them over a network shared bycountless users.A.soB.whichC.andD.who

2.Which of the following protocols allow the set up, teardown and streaming of VoIP traffic? ()(SelectTWO)A.NTPB.VNCC.RTPD.SIPE.TLS

3.Which QoS mechanism can help classify different kinds of Citrix traffic （print job versus real-time terminal control）？（）A、qos-groupB、DSCPC、LFID、NBAR

4.Which application would be suited for UDP traffic?()A.Web browsingB.downloading a programC.streaming television showsD.on-line shopping

更多“Which QoS requirement applies to streaming video traffic?() ”相关问题

  • 第1题：

    Which statement is true about the comparison of voice traffic with video traffic？（）

    • A、 Video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.
    • B、 Latency requirements are less stringent for video traffic than for voice traffic.
    • C、 Video traffic is less sensitive to dropped packets than for voice traffic.
    • D、 Video traffic requires the retransmission capabilities of TCP whereas voice uses UDP.
    • E、 Voice traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.
    • F、 Voice traffic requires the retransmission capabilities of TCP whereas video uses UDP.

    正确答案:A

  • 第2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3题：

    Which QoS requirement applies to streaming video traffic？（）

    • A、 one-way latency of 150 ms to 200 ms
    • B、 jitter of 30 ms or less
    • C、 packet loss of 2 percent or less
    • D、 150bps of overhead bandwidth

    正确答案:C

  • 第4题：

    Which statement is NOT a key QoS recommended requirement for voice bearer traffic?（）

    • A、Voice traffic should be marked to DSCP EF per the QoS baseline and RFC3246.
    • B、Voice traffic loss should be no more than 3%.
    • C、One-way latency （mouth-to-ear） should be less than 150 msec.
    • D、Average one way jitter should be targeted to less than 30 msec.
    • E、21-320 Kbps of guaranteed priority bandwidth is required per call depending on sample rate，codec，and  layer 2 overhead.

    正确答案:B

  • 第5题：

    How can Cisco NetFlow be used to aid in the operation and troubleshooting of QoS issues? （）

    • A、NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.
    • B、NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.
    • C、NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.
    • D、NetFlow can be configured to identify voice and video traffic flows and place them into a low-latency queue for expedited processing.

    正确答案:B

  • 第6题：

    Which of the following communication methods will provide the maximum bandwidth for video streaming through a media extender？（）

    • A、100BaseT Ethernet
    • B、802.11g
    • C、Z-Wave
    • D、Bluetooth

    正确答案:A

  • 第7题：

    多选题
    Which statement is true about the comparison of voice traffic with video traffic？（）
    A

    video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows

    B

    latency requirements are less stringent for video traffic than for voice traffic

    C

    video traffic is less sensitive to dropped packets than for voice traffic

    D

    video traffic requires the retransmission capabilities of TCP whereas voice uses UDP

    E

    video traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows

    F

    voice traffic requires the retransmission capabilities of TCP whereas video uses UDP


    正确答案： B,D
    解析： 暂无解析

  • 第8题：

    多选题
    The Cisco SDM will create a QoS policy that provides services to two types of traffic. Which two statements indicate the default QoS parameters that are created by SDM？（）
    A

    Business-critical traffic will be sorted into two QoS classes.

    B

    Real-time traffic will be sorted into one QoS class.

    C

    Voice traffic will be considered real-time traffic while call signaling will be considered business-critical.

    D

    All traffic except real-time will be considered best-effort.

    E

    Routing， management， and transactional traffic will be considered business-critical.

    F

    Voice and call signaling traffic will be considered real-time.


    正确答案： F,D
    解析： 暂无解析

  • 第9题：

    单选题
    Which QoS preclassification option will require the use of the qos pre-classify command for the VPN traffic？ （）
    A

    VPN traffic needs to be classified based on the Layer2 header information

    B

    VPN traffic needs to be classified based on the IP precedence or DSCP

    C

    VPN traffic needs to be classified based on IP flow or Layer 3 information， such as source and destination IP address

    D

    VPN traffic with Authentication Header （AH） needs to preserve the ToS byte


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    As an experienced network administrator, you are asked to troubleshoot a QoS problem. In which way might the Cisco NetFlow be helpful during the troubleshooting process?（）
    A

    NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.

    B

    NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.

    C

    NetFlow can be configured to identify voice and video traffic flows and place them into a low-latency queue for expedited processing.

    D

    NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    多选题
    Which three characteristics of the traffic flow are taken into consideration when the QoS-for-VPNs feature （QoS pre-classify） provides packet classification and applies appropriate QoS service on tunnel interfaces？（）
    A

    IP precedence bits

    B

    DSCP bits

    C

    original port numbers

    D

    DE bits

    E

    source IP address

    F

    destination IP address


    正确答案： B,A
    解析： 暂无解析

  • 第12题：

    单选题
    Which QoS requirement applies to streaming video traffic?（）
    A

    one-way latency of 150 ms to 200 ms

    B

    jitter of 30 ms or less

    C

    packet loss of 2 percent or less

    D

    150bps of overhead bandwidth


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which three characteristics of the traffic flow are taken into consideration when the QoS-for-VPNs feature （QoS pre-classify） provides packet classification and applies appropriate QoS service on tunnel interfaces？（）

    • A、IP precedence bits
    • B、DSCP bits
    • C、original port numbers
    • D、DE bits
    • E、source IP address
    • F、destination IP address

    正确答案:C,E,F

  • 第14题：

    Which statement is true about the comparison of voice traffic with video traffic？（）

    • A、video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows
    • B、latency requirements are less stringent for video traffic than for voice traffic
    • C、video traffic is less sensitive to dropped packets than for voice traffic
    • D、video traffic requires the retransmission capabilities of TCP whereas voice uses UDP
    • E、video traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows
    • F、voice traffic requires the retransmission capabilities of TCP whereas video uses UDP

    正确答案:B,D

  • 第15题：

    Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？（）

    • A、the SDM QoS wizard will create two real-time traffic classes to handle VoIP， voice signaling， and video packets
    • B、the SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， video， and video packets
    • C、the SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets
    • D、the SDM QoS wizard will create two business-critical traffic classes to handle transactional and  network management packets
    • E、the SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets
    • F、the SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets

    正确答案:A,E

  • 第16题：

    Which QoS mechanism can help classify different kinds of Citrix traffic print job versus real-time terminalcontrol？（）

    • A、qos-group
    • B、DSCP
    • C、LFI
    • D、NBAR

    正确答案:D

  • 第17题：

    Which of the following protocols allow the set up, teardown and streaming of VoIP traffic? （）(SelectTWO)

    • A、NTP
    • B、VNC
    • C、RTP
    • D、SIP
    • E、TLS

    正确答案:C,D

  • 第18题：

    Which of the following is the purpose of QoS?（）

    • A、Load balance traffic across multiple LAN and WAN links.
    • B、Increase speed of network traffic.
    • C、Classify, mark, and prioritize traffic on WAN and LAN links
    • D、Guarantee traffic delivery.

    正确答案:C

  • 第19题：

    多选题
    Which of the following protocols allow the set up, teardown and streaming of VoIP traffic? （）(SelectTWO)
    A

    NTP

    B

    VNC

    C

    RTP

    D

    SIP

    E

    TLS


    正确答案： A,B
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？ （）
    A

    The SDM QoS wizard will create two real-time traffic classes to handle VoIP and voice signaling packets.

    B

    The SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， and video packets.

    C

    The SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets.

    D

    The SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packets.

    E

    The SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets.

    F

    The SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets.


    正确答案： C,F
    解析： 暂无解析

  • 第21题：

    单选题
    Which statement is true about the comparison of voice traffic with video traffic？（）
    A

     Video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.

    B

     Latency requirements are less stringent for video traffic than for voice traffic.

    C

     Video traffic is less sensitive to dropped packets than for voice traffic.

    D

     Video traffic requires the retransmission capabilities of TCP whereas voice uses UDP.

    E

     Voice traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.

    F

     Voice traffic requires the retransmission capabilities of TCP whereas video uses UDP.


    正确答案： E
    解析： 暂无解析

  • 第22题：

    单选题
    Which QoS requirement applies to streaming video traffic？（）
    A

     one-way latency of 150 ms to 200 ms

    B

     jitter of 30 ms or less

    C

     packet loss of 2 percent or less

    D

     150bps of overhead bandwidth


    正确答案： D
    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

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