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

Doesahummingbirdflylikeaninsectorabird?Abitlikeboth,accordingtoaerodynamicresearch."Whatledustothisstudy

[A]Enduringproblemssuchaswar,poverty,andviolenceultimatelyspringfromhumannature,whichnotechnologicalinnovation

Fewthingssay"forgetI’mhere"quitesoeloquentlyastheposeoftheshy—theavertedgaze,thehunchedshoulders,thebodypi

YouheardofthegoodnewsthatTanXiao,yourbestfriendinthecollege,waschosentobeamasterdegreecandidateonrecomme

Thoughoftenviewedasaproblemforwesternstates,thegrowingfrequencyofwildfiresisanationalconcernbecauseofitsimp

InhisbookTheTippingPoint,MalcolmGladwellarguesthat"socialepidemics"aredriveninlargepartbytheactionsofatin

AskjustaboutanyhighschoolseniororjuniorinAmerica—ortheirparents—andthey’lltellyouthatgettingintoaselectivec

Worryiswhathappenswhenyourminddwellsonnegativethoughts,uncertainoutcomesorthingsthatcouldgowrong.Worrytends

Whichofthefollowingstatementsisnottrueofdumpsterdiving?

YouaretheadministratorofaSQLServer2000computer.TheservercontainsadatabasenamedSales.Thedatabaseisconfigured

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下面的案例折射出的老年人的问题属于老年特殊问题的是()。

小林利用口诀记住了各个历史朝代的先后顺序，这属于意义识记。()

大道至简

【S1】【S4】