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 callsB Call setup and control functionality is centralized in one call agent or clusterC Call setup and cont

题目
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

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3.Which statement is true about a distributed call control environment and the processing of dialed digits from an IP phone？（）A、The router that is directly connected to the IP phone will look up the called number in its call routing table.B、The router that is directly connected to the IP phone will inform its call agent when a service request is detected.C、When the IP phone is picked up，the IP phone initiates the service request.D、The directly connected router passes the collected digits to its call agent，and the call agent looks up in its call-routing table the called number.

4.Which IP telephony deployment model uses an H.225 Gatekeeper－Controlled trunk for call admission control within existing H.323 environments?()A. single site with centralized call processingB. single site with distributed call processingC. multisite with centralized call processingD. multisite with distributed call processing

更多“Which statement is true about the distributed call control i”相关问题

  • 第1题：

    Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for calladmission control within existing H.323 environments？（）

    • A、 single site with centralized call processing
    • B、 single site with distributed call processing
    • C、 multisite with centralized call processing
    • D、 multisite with distributed call processing

    正确答案:D

  • 第2题：

    Which statement is true about the routing table?（）

    • A、The routing table exists in the control plane only
    • B、The routing table exists in the control plane and the forwarding plane
    • C、The routing table contains both active and inactive routes
    • D、The routing table is stored on compact flash

    正确答案:A

  • 第3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

  • 第4题：

    Which statement is true about a Smurf attack？（）

    • A、It sends ping requests in segments of an invalid size
    • B、It intercepts the third step in a TCP three-way handshake to hijack a session
    • C、It sends ping requests to a subnet， requesting that devices on that subnet send ping replies to a targetsystem
    • D、It uses Trojan horse applications to create a distributed collection of "zombie" computers， which can beused to launch a coordinated DDoS attack

    正确答案:C

  • 第5题：

    Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for call admission control within existing H.323 environments?（）

    • A、single site with centralized call processing
    • B、single site with distributed call processing
    • C、multisite with centralized call processing
    • D、multisite with distributed call processing

    正确答案:D

  • 第6题：

    Which statement is true about the forwarding table?（）

    • A、The forwarding table is stored in the control plane only
    • B、The forwarding table is stored in the control plane and in the forewarding plane
    • C、The forwarding table contains both active and inactive routes
    • D、The forwarding table can contain only sigle next hop per destination

    正确答案:B

  • 第7题：

    单选题
    Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for calladmission control within existing H.323 environments？（）
    A

     single site with centralized call processing

    B

     single site with distributed call processing

    C

     multisite with centralized call processing

    D

     multisite with distributed call processing


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    Which statement is true about the routing table?（）
    A

    The routing table exists in the control plane only

    B

    The routing table exists in the control plane and the forwarding plane

    C

    The routing table contains both active and inactive routes

    D

    The routing table is stored on compact flash


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Which statement is true about the forwarding table?（）
    A

    The forwarding table is stored in the control plane only.

    B

    The forwarding table is stored in the control plane and in the forwarding plane.

    C

    The forwarding table contains both active and inactive routes.

    D

    The forwarding table can contain only a single next hop per destination.


    正确答案： C
    解析： 暂无解析

  • 第10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11题：

    单选题
    Which statement is true about a distributed call control environment and the processing of dialed digits from an IP phone？（）
    A

    The router that is directly connected to the IP phone will look up the called number in its call routing table.

    B

    The router that is directly connected to the IP phone will inform its call agent when a service request is detected.

    C

    When the IP phone is picked up，the IP phone initiates the service request.

    D

    The directly connected router passes the collected digits to its call agent，and the call agent looks up in its call-routing table the called number.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    Which statement is true about a Smurf attack？（）
    A

    It sends ping requests in segments of an invalid size

    B

    It intercepts the third step in a TCP three-way handshake to hijack a session

    C

    It sends ping requests to a subnet， requesting that devices on that subnet send ping replies to a targetsystem

    D

    It uses Trojan horse applications to create a distributed collection of zombie computers， which can beused to launch a coordinated DDoS attack


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which statement is true about the routing table?（）

    • A、The routing table exists in the control plane only.
    • B、The routing table exists in the control plane and in the forwarding plane.
    • C、The routing table contains both active and inactive routes.
    • D、The routing table is stored on compact flash.

    正确答案:A

  • 第14题：

    Which statement is true about vishing？（）

    • A、Influencing users to forward a call to a toll number （for example， a long distance or international number）
    • B、Influencing users to provide personal information over a web page
    • C、Using an inside facilitator to intentionally forward a call to a toll number （for example， a long distance orinternational number）
    • D、Influencing users to provide personal information over the phone

    正确答案:D

  • 第15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16题：

    Which statement describes the distributed call control model in VoIP networks？（）

    • A、The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardown
    • B、The gateway voice-capable device has a local call routing table configured through a routing protocol.
    • C、The gateway voice-capable device relies on a call agent to support call control.
    • D、The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.

    正确答案:A

  • 第17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18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19题：

    单选题
    Which statement is true about the forwarding table?（）
    A

    The forwarding table is stored in the control plane only

    B

    The forwarding table is stored in the control plane and in the forewarding plane

    C

    The forwarding table contains both active and inactive routes

    D

    The forwarding table can contain only sigle next hop per destination


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    Which statement is true about the routing table?（）
    A

    The routing table exists in the control plane only.

    B

    The routing table exists in the control plane and in the forwarding plane.

    C

    The routing table contains both active and inactive routes.

    D

    The routing table is stored on compact flash.


    正确答案： A
    解析： 暂无解析

  • 第21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
    Which statement describes the distributed call control model in VoIP networks？（）
    A

    The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardown

    B

    The gateway voice-capable device has a local call routing table configured through a routing protocol.

    C

    The gateway voice-capable device relies on a call agent to support call control.

    D

    The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.


    正确答案： C
    解析： 暂无解析

  • 第24题：

    多选题
    Which three statements are true about load-based Call Admission Control?（）
    A

    grants a VoWLAN client-initiated call based on the number of active clients associated to the accesspoint

    B

    grants a VoWLAN client-initiated call based on channel bandwidth capacity

    C

    uses the 802.11i specification

    D

    uses 802.11 action frames

    E

    requires a WMM-enabled client


    正确答案： E,C
    解析： 暂无解析

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