Deck 1: What Is a Computer Network

Question 1

Each Ethernet device has its own unique ____.

A) octal address
B) binary address
C) IP address
D) home address

Answer 1

B

Question 2

In ____, phase transitions are used to represent the digital data.

A) Hamming encoding
B) Turing encoding
C) Manheim encoding
D) Manchester encoding

Answer 2

D

Question 3

Just throwing 1s and 0s onto a communication link is enough to establish coherent communication between two nodes in a network.

Answer 3

False

Question 4

The _____ Layer is responsible for routing protocol-specific packets to their proper destination using logical IP addressing.

A) Network
B) Data-Link
C) Transport
D) Session

Question 5

The ____ reference model defines seven layers required to establish reliable communication between two nodes.

A) Open Systems Incorporated
B) Open Structure Interconnect
C) Open Systems Interconnection
D) Open Systems Interface

Question 6

All nodes in a bus network are connected to the same communication link.

Question 7

The ____________________ connection scheme puts the nodes into a circular communication path.

Question 8

Pulling copper wire, or even fiber, throughout a building may be the least expensive solution for a network.

Question 9

The ____ of a computer network is the way the individual computers or devices are connected.

A) technology
B) topology
C) medium
D) mode

Question 10

Token-ring frames are similar to Ethernet frames in that both contain ____ addresses.

A) source and destination
B) source and origin
C) origin and interface
D) source and network

Question 11

The ____ Layer takes care of framing data, error detection, and maintains flow control over the physical connection.

A) Network
B) Data-Link
C) Transport
D) Session

Question 12

When two or more devices attempt to transmit data at the same time, this is called a(n) ____________________.

Question 13

Different ____________________ are used between layers of the OSI model to handle such things as error recovery and information routing between nodes.

Question 14

The format in which Ethernet transmits data is called a ____.

A) block
B) cell
C) unit
D) frame

Question 15

In the Physical Layer, the encoding technique, the type of connector used, and the data rate, all of which are physical properties, are established.

Question 16

The high collision rate of an Ethernet system with a lot of communication taking place is eliminated in a token-ring network.

Question 17

Each segment of an Ethernet network consists of a coaxial cable with a(n) ____________________ for each device.

Question 18

Each device connected to the 10base2 Ethernet must contain a ____ that provides the electronic connection between the device and the coaxial cable commonly used to connect nodes.

A) transporter
B) receiver
C) transmitter
D) transceiver

Question 19

The application program interfaces directly with the operating system to perform all network related activities by using a(n) ___________________________________.

Question 20

When every device on the Ethernet LAN receives data from one device, it is called ____.

A) spraying
B) transmitting
C) broadcasting
D) delivering

Question 21

Describe what happens when a collision on an Ethernet LAN occurs.

Question 23

Describe the Session Layer of the OSI model.

Question 24

Describe how data is represented when a digital medium is used.

Question 25

Describe the Transport Layer of the OSI model..

Question 26

Describe how data is represented when an analog medium is used.