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Introduction to Computer Networks and
Protocols Exam Study Guide.
Communications - Answers✔Focuses on the technologies used to connect one host to another.
Networking - Answers✔Focuses on technologies for connecting many (>2) hosts together.
Internetworking - Answers✔Focuses on technologies for connecting homogeneous or heterogeneous
networks.
Network Services - Answers✔Major functions a network provides.
Protocol - Answers✔A set of rules both the sender and the receiver comply with to achieve
communication between them.
Interface - Answers✔The point of interaction or communication between components.
Address Schemes - Answers✔Methods used to assign addresses to network devices for identification
and communication purposes.
Layered Approach - Answers✔A design methodology that divides the communication process into
abstraction layers.
Monolithic Approach - Answers✔A design methodology where the entire system is designed as a single
unit.
Encapsulation - Answers✔The process of enclosing data in a protocol header as it moves down the
protocol stack.
Connection-Oriented (CO) Services - Answers✔Services that establish a connection before sending data,
ensuring data integrity and sequencing.
Connectionless (CL) Services - Answers✔Services that do not require a pre-established connection
before sending data.
Syntax - Answers✔Refers to the message format, including the message header and payload.
Semantics - Answers✔Defines the meanings of each field in the message header.
Timing - Answers✔Specifies when to send specific messages during communication.