单选题Which of the following is primarily used for VoIP?（）A TLSB RDFC NTPD RTP

题目
单选题
Which of the following is primarily used for VoIP?（）
A

TLS

B

RDF

C

NTP

D

RTP

相似考题

1.Which of the following protocols is commonly used for VoIP technology?()A.TelnetB.SMTPC.SIPD.SNMP

2.Which of the following servers resolves computer names to IP addresses?()A. Directory servicesB. DNSC. NTPD. DHCP

3.Which of the following is primarily used for VoIP?()A.TLSB.RDFC.NTPD.RTP

4.Which of the following defines access for a network?()A.ACLB.RDFC.RASD.ARP

参考答案和解析
正确答案： C
解析： 暂无解析
更多“单选题Which of the following is primarily used for VoIP?（）A TLSB RDFC NTPD RTP”相关问题

  • 第1题：

    Which of the following is a performance optimization technology?()

    A.QoS

    B.Trunking

    C.Spanning

    D.VoIP


    参考答案：A

  • 第2题：

    Which three QoS mechanisms can be configured to improve VoIP quality on a converged  network？（）

    • A、The use of a queuing method that will give VoIP traffic strict priority over other traffic  
    • B、The use of RTP header compression for the VoIP traffic.
    • C、The proper classification and marking of the traffic as close to the source as possible
    • D、The use of 802.1QinQ trunking for VoIP traffic
    • E、The use of WRED for the VoIP traffic

    正确答案:A,C,E

  • 第3题：

    Which of the following are examples of traffic that can be created as part of an IP Service -Level Agreement operation?（）

    • A、ICMP Echo
    • B、VoIP (RTP)
    • C、IPX
    • D、SNMP

    正确答案:A,B

  • 第4题：

    Which of the following defines access for a network?（）

    • A、ACL
    • B、RDF
    • C、RAS
    • D、ARP

    正确答案:A

  • 第5题：

    Which QoS mechanisms can you use on a converged network to improve VoIP quality？（）

    • A、The use of a queuing method that will give VoIP traffic strict priority over other traffic
    • B、The use of RTP header compression for the VoIP traffic
    • C、The proper classification and marking of the traffic as close to the source as possible
    • D、The use of 802.1QinQ trunking for VoIP traffic
    • E、The use of WRED

    正确答案:A,C,E

  • 第6题：

    Which of the following is a performance optimization technology?（）

    • A、QoS
    • B、Trunking
    • C、Spanning
    • D、VoIP

    正确答案:A

  • 第7题：

    Which of the following features is essential in a firewall if it is to support RTP sessions?（）

    • A、Remote console
    • B、Statefulness
    • C、Address translation
    • D、Zones

    正确答案:B

  • 第8题：

    Which of the following server types will assign a unique address to the client’s machines？（）

    • A、WINS
    • B、DHCP
    • C、NTP
    • D、DNS

    正确答案:B

  • 第9题：

    单选题
    Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）
    A

    The agent is considered nontoxic at room temperature in low concentrations

    B

    The agent is less effective than carbon dioxide

    C

    Halon primarily extinguishes the fire by cooling

    D

    The agent cannot be used on electrical fires because it leaves a residue


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following is primarily used for VoIP?（）
    A

    TLS

    B

    RDF

    C

    NTP

    D

    RTP


    正确答案： C
    解析： 暂无解析

  • 第11题：

    多选题
    What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？（）
    A

    codec

    B

    link speed

    C

    Layer 2 encapsulation

    D

    packet overhead （IP/UDP/RTP）

    E

    link delay

    F

    total number of simultaneous calls that are allowed


    正确答案： B,C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following WAN technologies has the GREATEST latency and is not recommended for VoIP?（）
    A

    ISDN

    B

    DSL

    C

    Satellite

    D

    Cable


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Which of the following are examples of traffic that can be created as part of an IP Service －Level Agreement operation?()

    A. ICMP Echo

    B. VoIP (RTP)

    C. IPX

    D. SNMP


    参考答案：A, B

  • 第14题：

    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 separate
    • B、RTP provides end-to-end delivery services for voice traffic
    • C、UDP is used to ensure a reliable transmission from sender to receiver
    • D、RTP is used to provide resource reservation for the voice stream
    • E、UDP provides multiplexing

    正确答案:E

  • 第15题：

    Which of the following is primarily used for VoIP?（）

    • A、TLS
    • B、RDF
    • C、NTP
    • D、RTP

    正确答案:D

  • 第16题：

    What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？（）

    • A、codec
    • B、link speed
    • C、Layer 2 encapsulation
    • D、packet overhead （IP/UDP/RTP）
    • E、link delay
    • F、total number of simultaneous calls that are allowed

    正确答案:A,C,D

  • 第17题：

    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 separate
    • B、RTP provides end-to-end delivery services for voice traffic.
    • C、UDP is used to ensure a reliable transmission from sender to receiver.
    • D、RTP is used to provide resource reservation for the voice stream.
    • E、UDP provides multiplexing of multiple phone conversations.

    正确答案:B,E

  • 第18题：

    Which of the following servers resolves computer names to IP addresses？ （）

    • A、 Directory services
    • B、 DNS
    • C、 NTP
    • D、 DHCP

    正确答案:B

  • 第19题：

    Which of the following protocols is commonly used for VoIP technology?（）

    • A、Telnet
    • B、SMTP
    • C、SIP
    • D、SNMP

    正确答案:C

  • 第20题：

    单选题
    Which of the following servers resolves computer names to IP addresses？ （）
    A

     Directory services

    B

     DNS

    C

     NTP

    D

     DHCP


    正确答案： B
    解析： 暂无解析

  • 第21题：

    多选题
    Which QoS mechanisms can you use on a converged network to improve VoIP quality？（）
    A

    The use of a queuing method that will give VoIP traffic strict priority over other traffic

    B

    The use of RTP header compression for the VoIP traffic

    C

    The proper classification and marking of the traffic as close to the source as possible

    D

    The use of 802.1QinQ trunking for VoIP traffic

    E

    The use of WRED


    正确答案： D,E
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following protocols is commonly used for VoIP technology?（）
    A

    Telnet

    B

    SMTP

    C

    SIP

    D

    SNMP


    正确答案： C
    解析： 暂无解析

  • 第23题：

    多选题
    Which three QoS mechanisms can be configured to improve VoIP quality on a converged  network？（）
    A

    The use of a queuing method that will give VoIP traffic strict priority over other traffic

    B

    The use of RTP header compression for the VoIP traffic.

    C

    The proper classification and marking of the traffic as close to the source as possible

    D

    The use of 802.1QinQ trunking for VoIP traffic

    E

    The use of WRED for the VoIP traffic


    正确答案： C,B
    解析： 暂无解析

  • 第24题：

    单选题
    Which of the following features is essential in a firewall if it is to support RTP sessions?（）
    A

    Remote console

    B

    Statefulness

    C

    Address translation

    D

    Zones


    正确答案： A
    解析： 暂无解析

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