A transport layer protocol has several responsibilities, One is to create a process-to-process (program-to-program) communication; TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocol is to create a (2) and error-con

题目

A transport layer protocol has several responsibilities, One is to create a process-to-process (program-to-program) communication; TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocol is to create a (2) and error-control mechanism at the transport level. TCP uses a sliding (3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve (4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver. 空白（2）处应选择（）

  • A、procedure
  • B、function
  • C、route
  • D、flow
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1.● A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication; TCP uses port （71） to accomplish this. Another responsibility of a transport layer protocol is to create a （72） and error-control mechanism at the transport level. TCP uses a sliding （73） protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve （74） control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends （75） of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.（71）A. numbersB. connectionsC. diagramsD. resources（72）A. procedureB. functionC. routeD. flow（73）A. pathB. windowC. frameD. diagram（74）A. packetB. timeC. errorD. phase（75）A. portsB. streamsC. packetsD. cells

2.● A glue that holds the whole Internet together is the network layer protocol,(71). Unlike most older network layer protocols, it was designed from the beginning with internetworking in mind. Its job is to provide a -(72) way to transport datagrams from source to destination, without regard to whether these machines are on the same network or whether there are other networks in between them.Communication in the Internet works as follows. The (73)layer takes data streams and breaks them up into datagrams. Each datagram is transmitted through the Internet, possibly being fragmented into smaller units as it goes. When all the pieces finally get to the destination machine, they are reassembled by the(74) layer into the original datagram. This datagram is then handed to the transport layer, which inserts it into the receiving process' input stream.An IP datagram consists of a header part and a text part. The header has a (75) part and a variable length optional part.(71) A. IP (Internet Protocol)B. IP (Interworking Protocol)C. TCP (Transport Control Protocol)D. TCP (Transfer Communication Protocol)(72) A. best-qualityB. quality-guaranteedC. connection-orientedD. best-efforts(73) A. data linkB. transportC. networkD. application(74) A. data linkB. transportC. networkD. application(75) A. 40-byte fixedB. 64-byte fixedC. 20~64 bytes variableD. 20-byte fixed

3.Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?A．FTPB．TFTPC．SMTPD．TelnetE．DNS

4.Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.B. The DHCP Discover message uses UDP as the transport layer protocol.C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.D. The DHCP Discover message uses TCP as the transport layer protocol.E. The DHCP Discover message does not use a Layer 2 destination address.F. The DHCP Discover message does not require a transport layer protocol.

更多“A transport layer protocol has several responsibilities, One is to create a process-to-process (program-to-program) communication; TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocol is to create a (2) and error-con”相关问题

  • 第1题：

    ● TCP/IP communication protocol contains four layers. From bottom to top, the four layers are __(71)__.

    （71）A．network interface layer, internet layer, transport layer and application layer

    B．internet layer, network interface layer, transport layer and application layer

    C．network interface layer, transport layer, network interface layer and application layer

    D．application layer, transport layer, internet layer and network interface layer


    正确答案：A

  • 第2题：

    TCP/IP is a communication protocol, which provides many different networking services. The TCP/IP Internet protocol suite is formed from two standards: the TCP （Transmission Control Protocol） and the IP（Internet Protocol）.

    （72） means it is on the transport layer.

    A.ISO

    B.IP

    C.OSI

    D.TCP


    正确答案：D
    TCP/IP通信协议，它提供了许多不同的网络服务。TCP/IP网络协议是从两个标准的形成：TCP（传输控制协议）和IP（互联网协议）。（72）意味着它是在传输层。A.ISOB.IPC.OSID.TCP

  • 第3题：

    ● A transport layer protocol usually has several responsibilities. One is to create a process-to-process communication; UDP uses （71） numbers to accomplish this. Another responsibility is to provide control mechanisms at the transport level. UDP does this task at a very minimal level. There is no flow control mechanism and there is no （72） for received packet. UDP,however, does provide error control to some extent. If UDP detects an error in the received packet, it will silently drop it．

    The transport layer also provides a connection mechanism for the processes. The （73） must be able to send streams of data to the transport layer. It is the responsibility of the transport layer at （74） station to make the connection with the receiver, chop the stream into transportable units,number them, and send them one by one. It is the responsibility of the transport layer at the receiving end to wait until all the different units belonging to the same process have arrived, check and pass those that are （75） free, and deliver them to the receiving process as a stream.

    （71）A．hop B．port C．route D．packet

    （72）A．connection B．window C．acknowledgement D．destination

    （73）A．jobs B．processes C．programs D．users

    （74）A．sending B．routing C．switching D．receiving

    （75）A．call B．state C．cost D．error


    正确答案：B,C,B,A,D

  • 第4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5题：

    Networks can be interconnected by different devices in the physical layer networks can be connected by（ ）or hubs.which just move the bits from one network to an identical network.One layer up we find bridges and switches which operate at data link layer.They can accept（ ）examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer,we have routers that can connect two networks,If two networks have（ ）network layer,the router may be able to translate between the packer formats.In the transport layer we find transport gateway,which can interface between two transport connections Finally,in the application layer,application gateways translate message（ ）.As an example,gateways between Internet e-mail and X.400 e-mail must（请作答此空）the e-mail message and change various header fields.

    A.analyze
    B.parse
    C.delete
    D.create

    答案：B
    解析：

  • 第6题：

    The TCP protocolis a （71） layer protocol. Each connection connects two TCPs that may be just one physical network apart or located on opposite sides ofthe globe.

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

    答案：C
    解析：
    网络工程师

  • 第7题：

    Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?（）

    • A、FTP
    • B、TFTP
    • C、SMTP
    • D、Telnet
    • E、DNS

    正确答案:E

  • 第8题：

    A transport layer protocol has several responsibilities, One is to create a process-to-process (program-to-program) communication; TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocol is to create a (2) and error-control mechanism at the transport level. TCP uses a sliding (3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve (4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver. 空白（1）处应选择（）

    • A、numbers
    • B、connection
    • C、diagrams
    • D、resources

    正确答案:A

  • 第9题：

    Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true?（）

    • A、The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.
    • B、The DHCP Discover message uses UDP as the transport layer protocol.
    • C、The DHCP Discover message uses a special Layer 2 multicast address as the destination address.
    • D、The DHCP Discover message uses TCP as the transport layer protocol.
    • E、The DHCP Discover message does not use a Layer 2 destination address.
    • F、The DHCP Discover message does not require a transport layer protocol.

    正确答案:A,B

  • 第10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11题：

    单选题
    Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?（）
    A

    FTP

    B

    TFTP

    C

    SMTP

    D

    Telnet

    E

    DNS


    正确答案： A
    解析： 暂无解析

  • 第12题：

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

     TCP

    B

     HTTP

    C

     SMTP

    D

     UDP


    正确答案： A
    解析： 暂无解析

  • 第13题：

    A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication; TCP uses port (71) to accomplish this. Another responsibility of a transport layer protocol is to create a (72) and error-control mechanism at the transport level. TCP uses a sliding (73) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve (74) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (75) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.

    （71）

    A．numbers

    B．connections

    C．diagrams

    D．resources


    正确答案：A

  • 第14题：

    ● The TCP protocol is a __（72）__ layer protocol．

    （72） A． physical B． network C． transport D． application


    正确答案：C
    TCP协议是传输层的协议。

  • 第15题：

    is a connectionless TCP/IP transport layer protocol.

    A．FTP

    B．UDP

    C．1P

    D．ICMP


    正确答案：B
    解析：UDP是一个无连接的TCP/IP传输层协议。

  • 第16题：

    TCP/IP communication protocol contains four layers. From bottom to top, the four layers are （ ） .

    A.network interface layer—internet layer—transport layer—application layer
    B.internet layer —network interface layer—transport layer—application layer
    C.network interface layer—transport layer —network interface layer—application layer
    D.application layer—transport layer —internet layer—network interface layer

    答案：A
    解析：

  • 第17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18题：

    The TCP protocol is a （ ） layer protocol.

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

    答案：C
    解析：
    TCP协议是传输层的协议。 A．物理 B．网络 C．传输 D．应用参考答案：C

  • 第19题：

    A transport layer protocol has several responsibilities, One is to create a process-to-process (program-to-program) communication; TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocol is to create a (2) and error-control mechanism at the transport level. TCP uses a sliding (3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve (4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver. 空白（3）处应选择（）

    • A、path
    • B、window
    • C、frame
    • D、diagram

    正确答案:B

  • 第20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21题：

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

    • A、 TCP
    • B、 UDP
    • C、 TFTP
    • D、 SNMP

    正确答案:A

  • 第22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23题：

    单选题
    Which of the following is a connection oriented transport layer protocol？ （）
    A

     TCP

    B

     UDP

    C

     TFTP

    D

     SNMP


    正确答案： B
    解析： 暂无解析

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