川大软院计网选择题答案Chapter1.docx

In the following options, which does not define in protocol (D) Athe format of messages excha nged betwee n two or more com muni cat ing en tities Bthe order of messages excha nged betwee n two or more com muni cat ing en tities Cthe acti ons take n on the tran smissi on of a message or other eve nt Dthe tran smissi on sig nals are digital sig nals or an alog sig nals In the following options, which is defined in protocol (A) Athe actions taken on the transmission and/or receipt of a message or other eve nt Bthe objects excha nged betwee n com muni cati ng en tities Cthe content in the excha nged messages Dthe location of the hosts An application can rely on the connection to deliver all of its data without error and in the proper order. The sentence describes (C). Aflow con trol Bcon gestio n-co ntrol Creliable data tran sfer Dconn ectio n-orie nted service The In ternet ' s conn ectriented service has a n ame, it is (A). ATCP BUDP CTCP/IP DIP The In ternet ' s conn ecti onl ess service is cB)led ( ATCP BUDP CTCP/IP DIP Which of the followi ng no des bel ongs to the n etwork coreC A. a Web ServerB. a Host with Win2003 Server C. a Router with NAT serviceD. a Super node on Skype Network In the In ternet, the equivale nt con cept to end systems is ()A. Ahosts Bservers Cclie nts Drouters In the Intern et, end systems are conn ected together by (C). Acopper wire Bcoaxial cable Ccom muni catio n links Dfiber optics End systems access to the Internet through its (C). Amodems Bprotocols CISP Dsockets In the following options, which belongs to the network core (B) Aend systems Brouters Cclie nts Dservers End systems, packet switches, and other pieces of the Intern et, r un (D) that con trol the sending and recei ving of in formati on with in the Intern et. Aprograms Bprocesses Capplicati ons Dprotocols The The internet allows (D) running on its end systems to exchange data with each other. Aclie nts applicati ons Bserver applicati ons CP2P 即 plicatio ns Ddistributed applic