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根据下面的文字资料回答 72～76 题 （ 1 ）is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string．
（ 2 ）is a protocol that most USENET machines nOW use it to allow news articles to propagate from one machine to another over a reliable connection．
（ 3 ）is an approach preferred by cable TV providers．In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable．
（ 4 ）is a device used to connect two separate network that use different communication protocol．
（ 5 ）is a digital-to-digital polar encoding method in which the signal level is always either positive or negative．
第6题：文中（ 1 ）处正确的答案是（ ）。
A．MD
B．RSA
C．DES
D．MIB
参考答案
更多 “ 根据下面的文字资料回答 72～76 题 （ 1 ）is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string．（ 2 ）is a protocol that most USENET machines nOW use it to allow news articles to propagate from one machine to another over a reliable connection．（ 3 ）is an approach preferred by cable TV providers．In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable．（ 4 ）is a device used to connect two separate network that use different communication protocol．（ 5 ）is a digital-to-digital polar encoding method in which the signal level is always either positive or negative．第6题：文中（ 1 ）处正确的答案是（ ）。A．MDB．RSAC．DESD．MIB ” 相关考题
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根据下面的文字资料回答 71～75 题 The Simple Network Management Protocol(SNMP)is an （ 1 ）protocol that facilitates the exchange of management information between （ 2 ）．It is part of the Transmission Control ProtocoL/Internet Protocol(TCP/IP)protocol suite. SNMP enables network（ 3 ）to manage network performance，find and sole network problems，and plan for（ 4 ）．An SNMP managed network consists of three key components：managed devices，（ 5 ），and networkmanagement systems．第6题：文中（ 1 ）处正确的答案是（ ）。A．Physical LayerB．Link LayerC．Network LayerD．Transport Layer
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根据下面的文字资料回答 66～70 题In low-speed network，it is usually adequate to wait for congestion to occur andthen react to it by telling the source of packets to slow down．In high-speednetworks，this approach oftenworks poorly，because in the（ 1 ）between sending thenotification and notification arriving at the source，thousands ofadditional（ 2 ）may aITive．In ATM network，a major tool forpreventing（ 3 ）is（ 4 ）control．when a host wants a new virtual（ 5 ），it mustdescribe the traffic to be offered and the service expected．第66题：文中（ 1 ）处正确的答案是（ ）。A．intervalB．timeC．slotD．delay
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根据下面的文字资料回答 71～75 题 In the following essay．each blank has four choices．Choose the best answer and write down on the answer sheet．Spread spectrum simply means that data is sent in（ 1 ）pieces over a number of the discrete frequencies available for use at any time in the specified range．Devices using（ 2 ） spread spectrum(DSSS)communicate by splitting each（ 3 ）of data into several parts and sending them concurrently on different（ 4 ），DSSS uses a lot of the available（ 5 ），about 22 megahertz(MHz)．第71题：文中（ 1 ）处正确的答案是（ ）。A．smallB．highC．lowD．long
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根据下面的文字资料回答 71～75 题 In the following essay，each blank has four choices．Choose the most suitable one from the four choices and write down in the answer sheet．A（ 1 ）is basically an end point of a communication link between two applications.Sockets that extend over a network connect two or more applications running on separate computer sat tached to the network．Asocket（ 2 ）twoaddresses：（ 3 ）．Sockets providea （ 4 ）communication channel between one or more systems.There are stream and datagram sockets separately using TCP and（ 5 ）．第6题：文中（ 1 ）处正确的答案是（ ）。A．programB．UDPC．socketD．TCP
考题
根据下面的文字资料回答 63～67 题In low-speed network，it is usually adequate to wait for congestion to occur andthen react to it by telling the source of packets to slow down．In high-speednetworks，this approach oftenworks poorly，because in the（ 1 ）between sending thenotification and notification arriving at the source，thousands ofadditional（ 2 ）may aITive．In ATM network，a major tool forpreventing（ 3 ）is（ 4 ）control．when a host wants a new virtual（ 5 ），it mustdescribe the traffic to be offered and the service expected．第63题：文中（ 1 ）处正确的答案是（ ）。A．intervalB．timeC．slotD．delay
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根据下面的文字资料回答 68～72 题For each blank．choose the best answerfrom the four choices and write down on the answer sheet．（ 1 ）is a protocol that a host uses toinform. a router when it joins or leaves an Internet muhicast group．（ 2 ） is an error detection code that most data communication networks use．（ 3 ）is an interior gateway protocol that uses a distance vector algorithm topropagate routing information．（ 4 ）is a transfer mode in which all types of information ate organized intofixed form. cells onan asynchronous or non－periodic basis over a range of media．（ 5 ）is an identifier of a web page．第68题：文中（ 1 ）处正确的答案是（ ）。A．SMTPB．ICMPC．RARPD．IGMP
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根据以下材料回答第 76～79 题已知某企业工人H产量统计资料，如表3—4所示。第 76 题 上述变量数列属于（ ）。
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