题目内容
（请给出正确答案）
A、delivered exactly as sent
B、delivered completely
C、delivered in same size pieces
D、delivered in order
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更多“TCP DOES NOT guarantee that the data sent across a connection will be ____.”相关的问题
A．Increased theater size.
B．Excess production.
C．A reduced market.
D．Reduced loan guarantors.
汉译英：“保函；信用证；许可证”，正确的翻译为（）。
A．1etter of credit；letter of guarantee；license
B．1etter of guarantee；letter of credit；license
C．1etter of guarantee；license；letter of credit
D．1icense；letter of credit；letter of guarantee
A、TCP and UDP port numbers are used by application layer protocols.
B、TCP uses port numbers to provide reliable transportation of IP packets.
C、TCP uses windowing and sequencing to provide reliable transfer of data.
D、TCP is a connection-oriented protocol. UDP is a connectionless protocol.
A、Source Port
B、Destination Port
C、Checksum
D、Header Length
A. Fast Connection Setup
B. TCP Acceleration (AFP)
C. Network Sequence Caching
D. AppFlow‘s MAPI acceleration
E. Molecular Sequence Reduction
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.
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．application
B．transport
C．link
D．network
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.
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. 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. Selecting afixed retransnussion time for all connections can result in serious consequences. Ifthe retransmission time does not allow enough time for a (73) to reach the destination and an acknowledgment to reach the source, it can result in retransmission of segments that are still on the way. Conversely, if the retransnussion time is longer than necessary for a short path, it may result in delay for the application programs.Even for one single connection, the retransmission time should not be fixed.A connection may be able to send segments and receive (74)faster during nontraffic period than during congested periods. TCP uses the dynamic retransmission time,a transmission time is different for each connection and which may be changed during the same connection. Retransmission time can be made(75) by basing it on the round-trip time (RTT). Several formulas are used for this purpose.
A.physical
B.network
C.transport
D.application@@@SXB@@@A.path
B.window
C.response
D.process@@@SXB@@@A.process
B.segment
C.program
D.user@@@SXB@@@A.connections
B.requests
C.acknowledgments
D.datagrams@@@SXB@@@A.long
B.short
C.fixed
D.dynamic
●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. 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. Selecting afixed retransnussion time for all connections can result in serious consequences. Ifthe retransmission time does not allow enough time for a (73) to reach the destination and an acknowledgment to reach the source, it can result in retransmission of segments that are still on the way. Conversely, if the retransnussion time is longer than necessary for a short path, it may result in delay for the application programs.
Even for one single connection, the retransmission time should not be fixed.A connection may be able to send segments and receive (74)faster during nontraffic period than during congested periods. TCP uses the dynamic retransmission time,a transmission time is different for each connection and which may be changed during the same connection. Retransmission time can be made(75) by basing it on the round-trip time (RTT). Several formulas are used for this purpose.
(71) A.physical
B.network
C.transport
D.application
(72) A.path
B.window
C.response
D.process
(73) A.process
B.segment
C.program
D.user
(74) A.connections
B.requests
C.acknowledgments
D.datagrams
(75) A.long
B.short
C.fixed
D.dynamic
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