Ch. 1 - Introduction to Networking

Question 1

A central conduit that connects the segments (pieces) of a network

Answer 1

Backbone

Question 2

(OSI) Describes the interface between two applications, on separate computers

Answer 2

Application layer (7)

Question 3

(OSI) Responsible for reformatting, compressing, and/or encrypting data in a way that the receiving application can read

Answer 3

Presentation layer (6)

Question 4

(OSI) Describes how data between applications is synched and recovered if messages don’t arrive intact at the receiving application

Answer 4

Session layer (5)

Question 5

(OSI) Responsible for transporting Application layer payloads from one application to another

Answer 5

Transport layer (4)

Question 6

(OSI) Responsible for moving messages from one node to another until they reach the destination host

Answer 6

Network layer (3)

Question 7

(OSI) The ____ layer puts control information in a Link layer header and at the end of the packet in a trailer

Answer 7

Data link layer (2)

Question 8

Entire Link layer is called a ____

Answer 8

Frame

Question 9

(OSI) Simplest layer and is responsible for sending bits via a wired or wireless transmission

Answer 9

Physical layer (1)

Question 10

The technical name for a group of bits as it moves from one layer to the next and from one LAN to the next

Answer 10

Protocol data unit (PDU)