单选题What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（）A QoSB CentrexC Packet encryptionD Intelligent call routing

题目
单选题
What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（）
A

QoS

B

Centrex

C

Packet encryption

D

Intelligent call routing

相似考题

1.Router VE1 has just received a packet and needs to route it. What two actions must this router take in order to route incoming packets? (Choose two)A. Inspect the routing table to select the best path to the destination network addresses.B. Validate sources of routing information.C. Inspect the ARP table to verify a legitimate source MAC address for each packet.D. Identify the destination network address of each packet.E. Verify the receipt of routed packets by the next hop router.F. Identify the source network address of each packet.

2.What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?()A. It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.B. It sends a copy of its neighbor table to all adjacent routers.C. It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.D. It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.

3.Choose the false statement concerning the use of CiscoWorks Internetwork Performance Monitor (IPM) in a Teleworker deployment.（）A、IPM should not be run on a production network. B、IPM helps verify if a Service Provider is meeting the Service Level Agreement. C、IPM contains a database that can store data on latency, jitter, and drops of voice packets over a period of weeks or months. D、The QoS service policy should contain an allocation of sufficient bandwidth in the priority queue (LLQ) for both the SAA probe simulating a voice call and the voice call. If not, voice quality will suffer.

4.What ensures that voice packets are given priority throughout the network so that conversations arrive intact?()A.CentrexB.Packet encryptionC.Intelligent call routingD.QoS

更多“单选题What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（）A QoSB CentrexC Packet encryptionD Intelligent call routing”相关问题

  • 第1题：

    Why is QoS important in a converged network?（）

    • A、Because voice data packets must follow a single dedicated path through the network
    • B、Because voice data packets should arrive quickly and sequentially, and with no lost data
    • C、Because lost voice-data packets must be retransmitted
    • D、Because data does not need to arrive intact, so data transfer rates can be variable

    正确答案:B

  • 第2题：

    What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（）

    • A、Centrex
    • B、Packet encryption
    • C、Intelligent call routing
    • D、QoS

    正确答案:D

  • 第3题：

    What are three features of voice traffic on a network？（）

    • A、bursty
    • B、constant
    • C、bandwidth intensive
    • D、small packet sizes
    • E、time-sensitive
    • F、retransmittable

    正确答案:B,D,E

  • 第4题：

    Which statement best describes the application of link fragmentation and interleaving （LFI）？（）

    • A、It compresses the Layer 2 payload and marks the packet as a high priority to be transmitted first
    • B、It fragments larger packets and allows VoIP packets to be transmitted in between them.
    • C、It stops the transmission of large packets when priority packets arrive.
    • D、It sends high priority packets in between normal traffic packets.

    正确答案:B

  • 第5题：

    Why is QoS important in a converged network?（）

    • A、Because data does not need to arrive intact, so data transfer rates can be variable
    • B、Because lost voice-data packets must be retransmitted
    • C、Because voice data packets should arrive quickly and sequentially, and with no lost data
    • D、Because voice data packets must follow a single dedicated path through the network

    正确答案:C

  • 第6题：

    What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（）

    • A、QoS
    • B、Centrex
    • C、Packet encryption
    • D、Intelligent call routing

    正确答案:A

  • 第7题：

    单选题
    Why is QoS important in a converged network?（）
    A

    Because data does not need to arrive intact, so data transfer rates can be variable

    B

    Because lost voice-data packets must be retransmitted

    C

    Because voice data packets should arrive quickly and sequentially, and with no lost data

    D

    Because voice data packets must follow a single dedicated path through the network


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    Refer to the exhibit. A router has a 256 kbps Frame Relay circuit connected to interface serial 0/0. As a large FTP packet is being placed into the hardware transmit queue of interface serial 0/0， a voice packet is placed into the priority queue of that interface. How， and in what order， wi the packets be transmitted？（）
    A

    the voice packet will be transmitted first， followed by the FTP packet in its entirety

    B

    the voice packet will be transmitted first， followed by the fragmented FTP packet

    C

    the FTP packet will be fragmented and the voice packet will be interleaved

    D

    the FTP packet will be transmitted first in its entirety， follow by the voice packet


    正确答案： B
    解析： 暂无解析

  • 第9题：

    多选题
    What are three features of voice traffic on a network？（）
    A

    bursty

    B

    constant

    C

    bandwidth intensive

    D

    small packet sizes

    E

    time-sensitive

    F

    retransmittable


    正确答案： B,F
    解析： 暂无解析

  • 第10题：

    单选题
    Why is QoS important in a converged network?（）
    A

    Because voice data packets must follow a single dedicated path through the network

    B

    Because voice data packets should arrive quickly and sequentially, and with no lost data

    C

    Because lost voice-data packets must be retransmitted

    D

    Because data does not need to arrive intact, so data transfer rates can be variable


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    Which statement best describes the application of link fragmentation and interleaving （LFI）？（）
    A

    It compresses the Layer 2 payload and marks the packet as a high priority to be transmitted first

    B

    It fragments larger packets and allows VoIP packets to be transmitted in between them.

    C

    It stops the transmission of large packets when priority packets arrive.

    D

    It sends high priority packets in between normal traffic packets.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    If voice and data traffic will be sent and received via a WAN links， what must be configured to provide a certain amount of dedicated bandwidth and to prioritize the voice traffic over other types of network traffic？（）
    A

    IPSec VPN

    B

    QoS mechanism

    C

    Firewall

    D

    NAT

    E

    EIGRP routing protocol

    F

    Static routing


    正确答案： F
    解析： 暂无解析

  • 第13题：

    Refer to the exhibit. A router has a 256 kbps Frame Relay circuit connected to interface serial 0/0. As a large FTP packet is being placed into the hardware transmit queue of interface serial 0/0， a voice packet is placed into the priority queue of that interface. How， and in what order， wi the packets be transmitted？（）

    • A、the voice packet will be transmitted first， followed by the FTP packet in its entirety
    • B、the voice packet will be transmitted first， followed by the fragmented FTP packet
    • C、the FTP packet will be fragmented and the voice packet will be interleaved
    • D、the FTP packet will be transmitted first in its entirety， follow by the voice packet

    正确答案:D

  • 第14题：

    What is a benefit of Internet protocol (IP) telephony?（）

    • A、Synchronizes password exchanges for call setup
    • B、Eliminates the need for physical cabling in a TCP/IP network
    • C、Enables two-way voice transmission over a packet-switched TCP/IP network
    • D、Creates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network

    正确答案:C

  • 第15题：

    Which two statements are true about Voice over IP （VoIP） packet delivery in a digital infrastructure？ （）

    • A、 Packets can arrive out of order.
    • B、 Packets must take the same path to the destination.
    • C、 Once packets are received at the destination router， the router performs sampling to ensure the quality of the voice traffic.
    • D、 Packets can experience varying delays across the network.
    • E、 Packets containing voice samples are sequentially numbered by default， allowing for reordering upon arrival at the terminal router along the path.

    正确答案:A,D

  • 第16题：

    VOIP has been implemented at the main office of the Company network. Which two statements  are true about voice packets in a LAN？（）

    • A、 Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media  portion of the VoIP communication.  
    • B、 Voice traffic data flow involves large volumes of large packets.  
    • C、 Because a packet loss involves a small amount of data, voice traffic is less affected by packet  losses than traditional data traffic is.  
    • D、 Voice packets are encapsulated in TCP segments to allow for proper sequencing during  delivery. 
    • E、 Voice packets are very sensitive to delay and jitter. 

    正确答案:A,E

  • 第17题：

    What are two major sources of delay that can be managed by QoS in voice-enabled networks？（）

    • A、propagation delay
    • B、voice packet serialization delay
    • C、congested egress queues
    • D、header overhead
    • E、packets dropped because of CRC errors

    正确答案:C,D

  • 第18题：

    单选题
    What is a benefit of Internet protocol (IP) telephony?（）
    A

    Synchronizes password exchanges for call setup

    B

    Eliminates the need for physical cabling in a TCP/IP network

    C

    Enables two-way voice transmission over a packet-switched TCP/IP network

    D

    Creates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network


    正确答案： A
    解析： 暂无解析

  • 第19题：

    多选题
    Which two statements are true about Voice over IP （VoIP） packet delivery in a digital infrastructure？ （）
    A

    Packets can arrive out of order.

    B

    Packets must take the same path to the destination.

    C

    Once packets are received at the destination router， the router performs sampling to ensure the quality of the voice traffic.

    D

    Packets can experience varying delays across the network.

    E

    Packets containing voice samples are sequentially numbered by default， allowing for reordering upon arrival at the terminal router along the path.


    正确答案： D,B
    解析： 暂无解析

  • 第20题：

    单选题
    What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（）
    A

    Centrex

    B

    Packet encryption

    C

    Intelligent call routing

    D

    QoS


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?（）
    A

    It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.

    B

    It sends a copy of its neighbor table to all adjacent routers.

    C

    It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.

    D

    It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Choose the false statement concerning the use of CiscoWorks Internetwork Performance Monitor (IPM) in a Teleworker deployment.（）
    A

    IPM should not be run on a production network. 

    B

    IPM helps verify if a Service Provider is meeting the Service Level Agreement. 

    C

    IPM contains a database that can store data on latency, jitter, and drops of voice packets over a period of weeks or months. 

    D

    The QoS service policy should contain an allocation of sufficient bandwidth in the priority queue (LLQ) for both the SAA probe simulating a voice call and the voice call. If not, voice quality will suffer.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    What is the goal of QoS in a network？ （）
    A

    prevent packets from being dropped

    B

    increase available bandwidth

    C

    reduce hardware errors

    D

    provide predictable network service

    E

    eliminate propagation delay

    F

    eliminate jitter and packet loss


    正确答案： F
    解析： 暂无解析

  • 第24题：

    单选题
    What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（）
    A

    QoS

    B

    Centrex

    C

    Packet encryption

    D

    Intelligent call routing


    正确答案： D
    解析： 暂无解析

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