Which three of the protocols below belong to the application layer? (Select three answer choices) A. ARP B. HTTPS C. SMTP D. CDP

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问题 Which three of the protocols below belong to the application layer? (Select three answer choices)
A. ARP
B. HTTPS
C. SMTP
D. CDP
E. TFTP
F. ICMP

选项

答案B,C,E

解析 Explanation:
The application layer is the highest OSI layer, and protocols at this layer are end-user oriented. HTTPS so people can get information on the internet, SMTP so people can manage networks, and TFTP so people can download files.

Incorrect Answers:
A, D, F. ARP, CDP, ICMP are protocols that equipment like routers and switches use to communicate with themselves, and belong to lower levels on the model.

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Which three of the protocols below belong to the application layer? (Select three answer choices) A. ARP B. HTTPS C. SMTP D. CDP

思科640802

思科认证

[A]Enduringproblemssuchaswar,poverty,andviolenceultimatelyspringfromhumannature,whichnotechnologicalinnovation

[A]Developmentwelcomedbycityplanners[B]Reduceddemandsonspaceandenergy[C]Plansforfuturehomes[D]Worldwideexamp

Writeanessayof160-200wordsbasedonthefollowingdrawing.Inyouressay,youshould1)describethedrawingbriefly,

BarackObamaspentmuchtimeonthecampaigntrailproposingadramaticvisiontochangenotonlytheUnitedStatesforthebett

Thefollowingparagraphsaregiveninawrongorder.ForQuestions41-45,youarerequiredtoreorganizetheseparagraphsintoa

Theideaisasaudaciousasitaltruistic:provideapersonallaptopcomputertoeveryschoolchild—particularlyinthepoorestp

Thestandardizededucationalorpsychologicaltests,thatarewidelyusedtoaidinselecting,classifying,assigning,orpromot

UsingFacebookmakespeoplesadder,atleastaccordingtosomeresearch.Burjustwhatisitaboutthesocialnetworkthattakes

低容量性低钠血症患者的临床表现有

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在药物代谢动力学中，“稳态血药浓度”可用英文简单表示为

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