Which three statements describe the User Datagram Protocol (UDP)?（）A、UDP provides delivery notification and error checking mechanisms.B、UDP is faster than the Transmission Control Protocol (TCP).C、UDP application examples include DNS and VoIP.D、UDP is an

题目

Which three statements describe the User Datagram Protocol (UDP)?（）

  • A、UDP provides delivery notification and error checking mechanisms.
  • B、UDP is faster than the Transmission Control Protocol (TCP).
  • C、UDP application examples include DNS and VoIP.
  • D、UDP is an application layer protocol.
  • E、UDP uses a best effort delivery approach.
相似考题

1.下面的缩写中,哪一个是不准确的()。A.DNS-Dynamic Naming ServiceB.UDP-User Datagram ProtocolC.DHCP-Dynamic Host Configuration ProtocolD.TFTP-Trivial File Transfer Protocol

2.Which protocol supports LDP sessions?()A. SIP (port 626)B. TCP (port 646)C. UDP (port 606)D. IP (protocol code LDP)

3.Which three statements describe the User Datagram Protocol (UDP)?()A.UDP provides delivery notification and error checking mechanisms.B.UDP is faster than the Transmission Control Protocol (TCP).C.UDP application examples include DNS and VoIP.D.UDP is an application layer protocol.E.UDP uses a best effort delivery approach.

4.● TCP/IP （71） layer protocols provide services to the application （72） running on a computer. The application layer does not define the application itself, but rather it defines （73） that applications need—like the ability to transfer a file in the case of HTTP. In short, the application layer provides an （74） between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP （75） layer consists of two main protocol options—the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

参考答案和解析
正确答案:B,C,E
更多“Which three statements describe the User Datagram Protocol (UDP)?（）A、UDP provides delivery notification and error checking mechanisms.B、UDP is faster than the Transmission Control Protocol (TCP).C、UDP application examples include DNS and VoIP.D、UDP is an ”相关问题

  • 第1题：

    Which three statements describe the Transmission Control Protocol (TCP)?()

    A.TCP is a transport layer protocol.

    B.TCP is faster than the User Datagram Protocol (UDP).

    C.TCP provides delivery notification and error checking mechanisms.

    D.TCP uses a best effort delivery approach.

    E.TCP application examples include HTTP and SMTP.


    参考答案：A, C, E

  • 第2题：

    What are three characteristics of UDP?()

    A. UDP is faster than TCP

    B. UDP operates at the Transport Layer

    C. UDP is connection-oriented

    D. UDP data is sent best-effort

    E. UDP is more reliable than TCP


    参考答案：A, B, D

  • 第3题：

    TCP/IP（ ）layer protocols provide services to the application（ ）running on a computer.The application layer does not define the application itself,but rather it defines（ ）that applications need--like the ability to transfer a file in the case of HTTP.In short,the application layer provides an（ ）between software running on a computer and the network itself.The TCP/IP application layer includes a relatively large number of protocols,with HTTP being only one of those.The TCP/IP（请作答此空）layer consists of two main protocol options--the Transmission Control Protocol（TCP）and the User Datagram Protocol（UDP）.

    A.application
    B.session
    C.physical
    D.transport

    答案：D
    解析：
    TCP/IP传输层协议为运行在计算机上的应用软件提供服务。应用层没有定义应用本身，而是定义了应用需要的服务，例如采用HTTP可以传输文件。简而言之，应用层提供了运行在计算机上的软件与网络之间的接口。TCP/IP应用层包括了很多的协议，HTTP仅是其中之一。TCP/IP传输层主要由两个可选的协议组成——传输控制协议（TCP）和用户数据报协议（UDP）。

  • 第4题：

    What is the port number of the IPsec Authentication Header packet？（）

    • A、IP protocol 50
    • B、TCP port 51
    • C、UDP port 50
    • D、IP protocol 51
    • E、UDP port 51
    • F、TCP port 50

    正确答案:D

  • 第5题：

    Which protocol supports LDP sessions?（）

    • A、SIP (port 626)
    • B、TCP (port 646)
    • C、UDP (port 606)
    • D、IP (protocol code LDP)

    正确答案:B

  • 第6题：

    What is the port number of an IPsec Encapsulating Security Payload packet？（）

    • A、IP protocol 50
    • B、IP protocol 51
    • C、TCP port 50
    • D、TCP port 51
    • E、UDP port 50
    • F、UDP port 51

    正确答案:A

  • 第7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8题：

    Which three statements describe the Transmission Control Protocol (TCP)?（）

    • A、TCP is a transport layer protocol.
    • B、TCP is faster than the User Datagram Protocol (UDP).
    • C、TCP provides delivery notification and error checking mechanisms.
    • D、TCP uses a best effort delivery approach.
    • E、TCP application examples include HTTP and SMTP.

    正确答案:A,C,E

  • 第9题：

    Which two protocols use UDP as a transport protocol by default?（）

    • A、Telnet
    • B、ICMP
    • C、DHCP
    • D、RIP

    正确答案:C,D

  • 第10题：

    多选题
    Which three statements describe the Transmission Control Protocol (TCP)?（）
    A

    TCP is a transport layer protocol.

    B

    TCP is faster than the User Datagram Protocol (UDP).

    C

    TCP provides delivery notification and error checking mechanisms.

    D

    TCP uses a best effort delivery approach.

    E

    TCP application examples include HTTP and SMTP.


    正确答案： C,E
    解析： 暂无解析

  • 第11题：

    多选题
    Which three statements describe the User Datagram Protocol (UDP)?（）
    A

    UDP provides delivery notification and error checking mechanisms.

    B

    UDP is faster than the Transmission Control Protocol (TCP).

    C

    UDP application examples include DNS and VoIP.

    D

    UDP is an application layer protocol.

    E

    UDP uses a best effort delivery approach.


    正确答案： D,B
    解析： 暂无解析

  • 第12题：

    多选题
    Which two characteristics describe the UDP protocol?（）
    A

    limited error checking

    B

    defined timers

    C

    no recovery mechanisms

    D

    three-way handshake


    正确答案： A,D
    解析： 暂无解析

  • 第13题：

    Which two characteristitcs describe the UDP protocol?()

    A. limited error checking

    B. defined timers

    C. no recovery mechanisms

    D. three-way handshake


    参考答案：A, C

  • 第14题：

    TCP/IP （ ）layer protocols provide services to the application（请作答此空）running on a computer. The application layer does not define the application itself, but rather it defines（ ）that applications need--like the ability to transfer a file in the case of HTTP. In short, the application layer provides an（ ）between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP（ ）layer consists of two main protocol options--the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

    A.hardware]
    B.software]
    C.packet
    D.equipment

    答案：B
    解析：
    TCP/IP传输层协议为运行在计算机上的应用软件提供服务。应用层没有定义应用本身，而是定义了应用需要的服务，例如采用HTTP可以传输文件。简而言之，应用层提供了运行在计算机上的软件与网络之间的接口。TCP/IP应用层包括了很多的协议，HTTP仅是其中之一。TCP/IP传输层主要由两个可选的协议组成——传输控制协议(TCP)和用户数据报协议(UDP)。

  • 第15题：

    Which protocol and port have been assigned by IANA for RADIUS authentication？（）

    • A、UDP/1812
    • B、UDP/1813
    • C、TCP/1812
    • D、TCP/1813

    正确答案:A

  • 第16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17题：

    Which of the following is a connectionless transport layer protocol？（）

    • A、 TCP
    • B、 HTTP
    • C、 SMTP
    • D、 UDP

    正确答案:D

  • 第18题：

    Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）

    • A、LDP hello packets are sent to TCP 646.
    • B、LDP session packets are sent to TCP 646.
    • C、LDP session packets are sent to TCP 711.
    • D、LDP hello packets are sent to TCP 711.
    • E、LDP hello packets are sent to UDP 711.
    • F、LDP hello packets are sent to UDP 646.

    正确答案:B,F

  • 第19题：

    What are three characteristics of UDP?（）

    • A、UDP is faster than TCP
    • B、UDP operates at the Transport Layer
    • C、UDP is connection-oriented
    • D、UDP data is sent best-effort
    • E、UDP is more reliable than TCP

    正确答案:A,B,D

  • 第20题：

    Which two characteristitcs describe the UDP protocol?（）

    • A、limited error checking
    • B、defined timers
    • C、no recovery mechanisms
    • D、three-way handshake

    正确答案:A,C

  • 第21题：

    Which three protocols use UDP as a transport protocol by default?（）

    • A、HTTP
    • B、TFTP
    • C、DNS
    • D、SNMP
    • E、SMTP

    正确答案:B,C,D

  • 第22题：

    多选题
    Which three protocols use UDP as a transport protocol by default?（）
    A

    HTTP

    B

    TFTP

    C

    DNS

    D

    SNMP

    E

    SMTP


    正确答案： A,D
    解析： 暂无解析

  • 第23题：

    多选题
    Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）
    A

    LDP hello packets are sent to TCP 646.

    B

    LDP session packets are sent to TCP 646.

    C

    LDP session packets are sent to TCP 711.

    D

    LDP hello packets are sent to TCP 711.

    E

    LDP hello packets are sent to UDP 711.

    F

    LDP hello packets are sent to UDP 646.


    正确答案： B,A
    解析： 暂无解析

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