Questão de Inglês — Interpretação de Textos (Understanding) — VUNESP 2023
InglêsInterpretação de Textos (Understanding)
- Código
- vu183207
- Banca
- VUNESP
- Órgão
- CM SJC
- Ano
- 2023
- Cargo
- TLE ( )
Interfaces Between Layers
The passing of the data and network information down through the layers of the sending device and back up through the layers of the receiving device is made possible by an interface between each pair of adjacent layers. Each interface defines the information and services a layer must provide for the layer above it. Well-defined interfaces and layer functions provide modularity to a network.
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(Fonte: Forouzan, B.A. (2007) Data Communications and Networking. 4th Edition, McGraw Hill Higher Education, New York)
Leia o texto.
Choose the only correct statement, according to the text:
- AThe data flow is unfeasible thanks to the layers structure.
- BModularity is a consequence of well-defined interfaces and layer functions.
- CInformations and services are going up to the layers.
- DThere is only one layer that passes data throught the network.
- EEach interface erases the information and services of the other.