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● Each machine supporting TCP has a TCP transport entity, either a library procedure, a user process, or part of the kernel. In all case, it manages TCP streams and （71） to the IP layer. A TCP （72） accepts user data streams from local process, breaks them into pieces not exceeding 64KB, and sends each piece as a separate IP （73） . When datagrams containing TCP data arrive at a machine, they are given to the TCP entity, which reconstructs the original byte streams. The IP layer gives no guarantee that datagrams will be delivered properly, so it is up to TCP to time out and （74） them as need be. Datagrams do arrive may well do so in the wrong order, it is also up to TCP to （75） them into messages in the proper sequence.
（71）
A. calls
B. interfaces
C. links
D. produces
（72）
A. connection
B. file
C. entity
D. destination
（73）
A. datagram
B. stream
C. connection
D. transaction
（74）
A. reassemble
B. reduce
C. re-create
D. retransmit
（75）
A. reassemble
B. reduce
C. re-create
D. retransmit
参考答案
更多 “ ● Each machine supporting TCP has a TCP transport entity, either a library procedure, a user process, or part of the kernel. In all case, it manages TCP streams and （71） to the IP layer. A TCP （72） accepts user data streams from local process, breaks them into pieces not exceeding 64KB, and sends each piece as a separate IP （73） . When datagrams containing TCP data arrive at a machine, they are given to the TCP entity, which reconstructs the original byte streams. The IP layer gives no guarantee that datagrams will be delivered properly, so it is up to TCP to time out and （74） them as need be. Datagrams do arrive may well do so in the wrong order, it is also up to TCP to （75） them into messages in the proper sequence.（71）A. callsB. interfacesC. linksD. produces（72）A. connectionB. fileC. entityD. destination（73）A. datagramB. streamC. connectionD. transaction（74）A. reassembleB. reduceC. re-createD. retransmit（75）A. reassembleB. reduceC. re-createD. retransmit ” 相关考题
考题
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).A．applicationB．transportC．linkD．network
考题
● 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. 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
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● 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
考题
Each machine supporting TCP has a TCP transport entity, either a library procedure, a user process, or part of the kernel. In all case, it manages TCP streams and (71) to the IP layer. A TCP (72) accepts user data streams from local process, breaks them into pieces not exceeding 64KB, and sends each piece as a separate IP (73). When datagrams containing TCP data arrive at a machine, they are given to the TCP entity, which reconstructs the original byte streams.The IP layer gives no guarantee that datagrams will be delivered properly, so it is up to TCP to time out and (74) them as need be. Datagmms do arrive may well do so in the wrong order, it is also up to TCP to (75) them into messages in the proper sequence.A．callsB．interfacesC．linksD．produces
考题
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．numbersB．connectionsC．diagramsD．resources
考题
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.ISOB.IPC.OSID.TCP
考题
● 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
考题
● 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).
考题
is a TCP/IP application service that converts user-friendly names to IP address.A．ARPB．RARPC．WWWD．DNS
考题
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.
考题
The TCP／IP network model differs from the more popular OSI model. Which of the layers below belong to the TCP／IP model?()
A. application layerB. session layerC. transport layerD. internet layerE. network layerF. data link layerG. physical layer
考题
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
考题
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
考题
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（请作答此空）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.services
B.processes
C.applications
D.address
考题
In other words, each connection creates a （72） witha length that may be totally different from another path created by another connection. This means that TCP cannot use the same retransmission time for all connections.
A.path
B.window
C.response
D.process
考题
When referring to the data structures of a packet, what is the proper term to refer to a single unit of TCP data at the transport layer?当提及一个数据包结构时，以下哪项可以表示一个TCP包在传输层的单个数据单元？（）A、TCP segment.TCP段B、TCP packet.TCP包C、TCP frame.TCP帧D、TCP datagram.TCP报文
考题
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（2）处应选择（）A、procedureB、functionC、routeD、flow
考题
A TCP/IP application receives files from a remote machine. The application reads 32 kilobytes of data at a time to the socket， but has not issued a system call to set the window size. Which of the following procedures should be performed on the personal machine to increase the throughput of the application？（）A、 Increase the size of thewallB、 Increase the size of sb_maxC、 Increase the size of tcp_recvspaceD、 Increase the size of tcp_sendspace
考题
A TCP/IP application is transferring files from a personal machine to a remote machine. The application writes 32 kilobytes of data at a time to the socket， but has not issued a system call to set the window size. Which of the following procedures should be performed on the personal machine to increase the throughput of the application？（）A、 Increase the size of thewallB、 Increase the size of sb_maxC、 Increase the size of tcp_recvspaceD、 Increase the size of tcp_sendspace
考题
What is an advantage of multiple software processes running in the Junos OS?（）A、Each process has its own protected memory spaceB、Each process is started manually by the user at bootC、All processes are dependent on each otherD、Multiple processes allow each routing protocol to be independent
考题
Which of the following SMIT panel screens are used to configure a system’s basic network parameters for the very first time only？（）A、Change System User InterfaceB、TCP/IP Further ConfigurationC、TCP/IP Minimum ConfigurationD、Network Installation Management
考题
The TCP/IP network model differs from the more popular OSI model. Which of the layers below belong to the TCP/IP model?（）A、application layerB、session layerC、transport layerD、internet layerE、network layerF、data link layerG、physical layer
考题
What is required during the initial creation of a cluster？（）A、 Nothing，because HACMP will discover the configurationB、 The cluster name and a TCP/IP path to each of the nodesC、 The cluster name and ID and a TCP/IP path to each of the nodesD、 The cluster name and ID node names and a TCP/IP path to each of the nodes
考题
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.
考题
单选题A TCP/IP application is transferring files from a personal machine to a remote machine. The application writes 32 kilobytes of data at a time to the socket， but has not issued a system call to set the window size. Which of the following procedures should be performed on the personal machine to increase the throughput of the application？（）A
Increase the size of thewallB
Increase the size of sb_maxC
Increase the size of tcp_recvspaceD
Increase the size of tcp_sendspace
考题
单选题What is required during the initial creation of a cluster？（）A
Nothing，because HACMP will discover the configurationB
The cluster name and a TCP/IP path to each of the nodesC
The cluster name and ID and a TCP/IP path to each of the nodesD
The cluster name and ID node names and a TCP/IP path to each of the nodes
考题
单选题A TCP/IP application receives files from a remote machine. The application reads 32 kilobytes of data at a time to the socket， but has not issued a system call to set the window size. Which of the following procedures should be performed on the personal machine to increase the throughput of the application？（）A
Increase the size of thewallB
Increase the size of sb_maxC
Increase the size of tcp_recvspaceD
Increase the size of tcp_sendspace
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