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1、宽带ip网络-阶段作业三（Broadband IP network phase job three）First, determine the title (a total of 10 small questions, a total of 50 points)(error) ATM uses general time division multiplexing.CorrecterrorKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: A; standard a
2、nswer: B;Score: 0 test scores: 5Prompt:Error control and flow control for block by link in ATM networks are required.CorrecterrorKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: B; standard answer: B;Score: 5 test scores: 5Prompt:(error) a VC link is equiv
3、alent to a VPC.CorrecterrorKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: B; standard answer: A;Score: 0 test scores: 5Prompt:VP exchanges cannot be performed separately.CorrecterrorKnowledge points: fifth chapter, broadband IP network transmission techn
4、ologyStudent answer: B; standard answer: B;Score: 5 test scores: 5Prompt:The VC exchange can be done separately.CorrecterrorKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: B; standard answer: B;Score: 5 test scores: 5Prompt:(error) DWDM optical network la
5、yer structure of IP over in the ATM layer is required.CorrecterrorKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: A; standard answer: B;Score: 0 test scores: 5Prompt:Switching devices are included in the SDH network.CorrecterrorKnowledge points: fifth cha
6、pter, broadband IP network transmission technologyStudent answer: B; standard answer: B;Score: 5 test scores: 5Prompt:SDH has a worldwide standard for uniform digital signal speed and frame construction.CorrecterrorKnowledge points: fifth chapter, broadband IP network transmission technologyStudent
7、answer: A; standard answer: A;Score: 5 test scores: 5Prompt:The rate of STM-4 is 4 times the rate of STM-1.CorrecterrorKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: A; standard answer: A;Score: 5 test scores: 5Prompt:(error) two fiber bidirectional chan
8、nel switching ring can only be protected by 1+1.CorrecterrorKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: A; standard answer: B;Score: 0 test scores: 5Prompt:Two, single choice (a total of 10 items, a total of 50 points)STM-16 has a frame cycle ofKnowle
9、dge points: fifth chapter, broadband IP network transmission technologyStudent answer: A; standard answer: A;Score: 5 test scores: 5Prompt:The reuse of SDH is adoptedSynchronous multiplexing and bit by bit interpolationSynchronous multiplexing, by byte interpolationAsynchronous multiplexing and bit
10、by bit interpolationAsynchronous multiplexing, by byte interpolationKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: B; standard answer: B;Score: 5 test scores: 5Prompt:The frame format used for IP over DWDM transmission can beSDH frame formatGE Ethernet f
11、rame formatPDH frame formatSDH frame format or GE Ethernet frame formatKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: D; standard answer: D;Score: 5 test scores: 5Prompt:The backbone of several backbone transmission technologies is the highestIP over ATM
12、IP over SDHIP over DWDMIP, over, ATM, and IP over SDHKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: C; standard answer: C;Score: 5 test scores: 5Prompt:A physical link can be divided into224 VC228 VC28-212 VC224-228 VCKnowledge points: fifth chapter, bro
13、adband IP network transmission technologyStudent answer: D; standard answer: D;Score: 5 test scores: 5Prompt:A VP can be divided into28 VC212 VC28212 VC216 VCKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: D; standard answer: D;Score: 5 test scores: 5Prom
14、pt:A physical link can be divided into28 VP212 VP28212 VP216 VPKnowledge points: fifth chapter, broadband IP network transmission technologyStudent answer: C; standard answer: C;Score: 5 test scores: 5Prompt:(error) passing through VP switching over a ATM networkThe VPI value changes, and the VCI value remains unchangedBoth the VPI value and the VCI value changeThe VCI value changes, and the VPI value remains unchangedBoth the VPI value and the VCI value are unchangedKnowledge po
