Link Layer of the four-layer network model
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Which of the following is true about the Link Layer of the four-layer network model?
Select one:
a. It is responsible for both the physical transmission across media (wires, wireless) and establishing logical links.
b. It ensures transmissions arrive, in order, and without error.
c. It routes packets between communication partners across networks.
d. It implements process-to-process communication at a higher level of abstraction.
Expert Solution
Step 1
The link layer is one of the layers in the network model.
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