Field Tech III - IV Conventional
Questions and Answers Graded A
The Open Systems Interconnection reference model (OSI / RM) Physical Layer serves which
primary purpose? ✔✔It transmits data in the form of bits across the physical medium.
Which is the primary purpose of the Open Systems Interconnection reference model (OSI / RM)
session layer? ✔✔It establishes, manages, and terminates dialogs between Presentation Layer
entities.
The Open Systems Interconnection Reference Model (OSI / RM) Network Layer serves which
primary purpose? ✔✔It uses Layer 3 (Network Layer) addresses to create multiple routed
networks.
The Open Systems Interconnection Reference Model (OSI / RM) Data Link Layer serves which
primary purpose? ✔✔It builds a flat network model with unroutable physical addresses.
Which is the primary purpose of the Open Systems Interconnection reference model (OSI / RM)
Presentation Layer? ✔✔It defines the format in which Application Layer information is sent
across the network.
