多选题Which statement is true about the comparison of voice traffic with video traffic？（）Avideo conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flowsBlatency requirements are less stringent for

题目
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

相似考题

1.Which statement is true about the frequency of OSPF LSA transmissions?()A.AB.BC.CD.D

2.Which three statements are true about the data traffic characteristics of voice traffic？ （）A、latency must be kept below 150 msB、latency is not a concern as long as jitter is kept below 30 msC、voice packets do not require a specific type of queuingD、voice packets are rather smallE、voice packets require TCP for rapid retransmission of dropped packetsF、voice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload

3.Which two statements are true about the protocols that are used for transmitting voice traffic？（）A、RTP multiplexing is used to keep multiple phone conversations separateB、RTP provides end-to-end delivery services for voice trafficC、UDP is used to ensure a reliable transmission from sender to receiverD、RTP is used to provide resource reservation for the voice streamE、UDP provides multiplexing

4.Which statement is true about IBGP routers? ()A. They must be fully meshedB. They can be in a different ASC . They do not need to be directly connectedD. They must be directly connected

更多“Which statement is true about the comparison of voice traffi”相关问题

  • 第1题：

    Which statement is true about the capabilities of a voice gateway router？（）

    • A、voice gateways with analog interfaces need a gatekeeper to convert analog signals into digital format before voice is encapsulated into IP packets
    • B、voice gateways need a gatekeeper to interconnect the VoIP networks the PSTN network
    • C、voice gateways with Cisco Unified CallManager Express （CME） can permanently act as a call agent for IP phones
    • D、voice gateways equipped with a DSP module can take the role of the call agent during WAN failure.

    正确答案:C

  • 第2题：

    Which three statements are true about terms in a policy?（）

    • A、The order of the terms in a policy is irrelevant.
    • B、The action is specified in a then statement.
    • C、Terms are optional in a policy.
    • D、The match condition can be identified with a from statement.
    • E、A from statement is mandatory in a term.

    正确答案:B,C,D

  • 第3题：

    Which two statements are true about the configuration of voice VLANs？（）

    • A、Static secure MAC addresses can be configured in conjunction with voice VLANs.
    • B、PortFast is automatically enabled when voice VLANs are configured.
    • C、PortFast must be manually configured when voice VLANs are configured.
    • D、Voice VLANs are typically configured on uplink ports.
    • E、Voice VLANs are typically configured on access ports.

    正确答案:B,E

  • 第4题：

    Which statement is true about voice VLANs？ （）

    • A、When the voice VLAN feature is enabled， all untagged voice and data traffic is sent through the voice VLAN.
    • B、The voice VLAN feature is enabled by default.
    • C、The IP phone overrides the priority of all incoming data traffic （tagged and untagged） and sets the CoS value to 0.
    • D、The default CoS value is 1 for incoming voice and data traffic.

    正确答案:C

  • 第5题：

    Which two statements are true about terms in a routing policy?（）

    • A、A then statement is mandatory in a term
    • B、If a term does not contain a from statement, all routers match
    • C、If a term does not contain a from statement, the Junos OS will not commit
    • D、A then statement is not mandatory in a term

    正确答案:A,B

  • 第6题：

    Which two statements about subqueries are true? （）

    • A、A subquery should retrieve only one row.
    • B、A subquery can retrieve zero or more rows.
    • C、A subquery can be used only in SQL query statements.
    • D、Subqueries CANNOT be nested by more than two levels.
    • E、A subquery CANNOT be used in an SQL query statement that uses group functions.
    • F、When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.

    正确答案:B,F

  • 第7题：

    单选题
    Which statement is true about the capabilities of a voice gateway router？（）
    A

    voice gateways with analog interfaces need a gatekeeper to convert analog signals into digital format before voice is encapsulated into IP packets

    B

    voice gateways need a gatekeeper to interconnect the VoIP networks the PSTN network

    C

    voice gateways with Cisco Unified CallManager Express （CME） can permanently act as a call agent for IP phones

    D

    voice gateways equipped with a DSP module can take the role of the call agent during WAN failure.


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
    A

     CAC is used to allocate enough bandwidth for the number of calls that are allowed on the VoIP network.

    B

     CAC is used to protect the quality of the voice calls by preventing call establishment if enough resources are not available on the network.

    C

     CAC provides queuing mechanisms for voice calls if the packets exceed the configured or budgeted rate.

    D

     In a VoIP network the CAC can be replaced with the LLQ QoS mechanism if it has been properly implemented.


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Which statement is TRUE about the CacheFactory class ？（）
    A

     it is a topology agnostic way to access NamedCaches

    B

     it provides mechanisms to manage underlying remote data sources

    C

     both A and B are TRUE

    D

    Neither A nor B are TRUE


    正确答案： C
    解析： 暂无解析

  • 第10题：

    多选题
    Which two statements are true about terms in a routing policy?（）
    A

    A then statement is mandatory in a term

    B

    If a term does not contain a from statement, all routers match

    C

    If a term does not contain a from statement, the Junos OS will not commit

    D

    A then statement is not mandatory in a term


    正确答案： C,B
    解析： 暂无解析

  • 第11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12题：

    单选题
    Which statement is true about IP telephony calls？（）
    A

     A Voice over IP （VoIP） packet consists of the voice payload， IP header， TCP header， RTP header， and  Layer 2 link header.

    B

     The voice carrier stream uses H323 to set up， maintain， and tear down call endpoints.

    C

     Call control signaling uses Real-Time Transport Protocol （RTP） packets that contain actual voice  samples.

    D

     The sum of bandwidth necessary for each major application， including voice， video， and data， should not exceed 75 percent of the total available bandwidth for each link.


    正确答案： D
    解析： 暂无解析

  • 第13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14题：

    Which statement is true about IBGP routers? （）

    • A、They must be fully meshed
    • B、They can be in a different AS
    • C、They must be directly connected

    正确答案:C

  • 第15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16题：

    Which three characteristics are true about voice traffic in the campus network？ （）

    • A、TCP retransmits
    • B、benign
    • C、greedy
    • D、drop sensitive
    • E、smooth
    • F、delay insensitive

    正确答案:B,D,E

  • 第17题：

    Which statement is TRUE about the CacheFactory class ？（）

    • A、 it is a topology agnostic way to access NamedCaches
    • B、 it provides mechanisms to manage underlying remote data sources
    • C、 both A and B are TRUE
    • D、Neither A nor B are TRUE

    正确答案:A

  • 第18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19题：

    单选题
    Refer to the exhibit. Which statement is true about a voice VLAN？（）
    A

     Physically the voice network and the data network are separate.

    B

     The voice traffic will normally be on a different IP subnet than will the data traffic.

    C

     End user intervention is necessary to place the phone into the proper VLAN.

    D

     The same security policy should be implemented for both voice and data traffic.

    E

     The data VLAN must be configured as the native VLAN.


    正确答案： C
    解析： 暂无解析

  • 第20题：

    多选题
    Which three characteristics are true about voice traffic in the campus network？ （）
    A

    TCP retransmits

    B

    benign

    C

    greedy

    D

    drop sensitive

    E

    smooth

    F

    delay insensitive


    正确答案： D,A
    解析： 暂无解析

  • 第21题：

    单选题
    Which statement is true about the distributed call control in a VoIP network？（）
    A

    the VoIP endpoints have the intelligence to set up and control calls

    B

    Call setup and control functionality is centralized in one call agent or cluster

    C

    Call setup and control resides in call agents that are distributed throughout the network

    D

    Each VoIP device has separate call control， voice packetization， and transport mechanisms


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement is true about IBGP routers? （）
    A

    They must be fully meshed

    B

    They can be in a different AS

    C

    They must be directly connected


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Refer to the exhibit. Which statement is true about a voice VLAN？（）
    A

    Physically the voice network and the data network are separate

    B

    The voice traffic will normally be on a different IP subnet than will the data traffic

    C

    End user intervention is necessary to place the phone into the proper VLAN

    D

    The same security policy should be implemented for both voice and data traffic

    E

    The data VLAN must be configured as the native VLAN


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    Which statement is true about voice VLANs？ （）
    A

    When the voice VLAN feature is enabled， all untagged voice and data traffic is sent through the voice VLAN.

    B

    The voice VLAN feature is enabled by default.

    C

    The IP phone overrides the priority of all incoming data traffic （tagged and untagged） and sets the CoS value to 0.

    D

    The default CoS value is 1 for incoming voice and data traffic.


    正确答案： C
    解析： 暂无解析

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