Deck 1: What Is a Computer Network

Question 1

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

Answer 1

True

Question 2

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

Answer 2

B

Question 3

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

Answer 3

tap

Question 4

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 5

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 6

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 7

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 8

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

Question 9

Each Ethernet device has its own unique ____.

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

Question 10

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

Question 11

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

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

Question 12

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

Question 13

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

Question 14

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

Question 15

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

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

Question 16

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

Question 17

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

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

Question 18

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

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

Question 19

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 20

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

Question 21

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

Question 22

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

Question 23

MATCHING
Match each item with the correct statement below.
a.Baseband system
d.Broadband system
b.MANs
e.WANs
c.LANs
Uses multiple channels of data

Question 24

Describe the Session Layer of the OSI model.

Question 25

MATCHING
Match each item with the correct statement below.
a.Baseband system
d.Broadband system
b.MANs
e.WANs
c.LANs
Networks for very large geographical areas such as a state

Question 26

MATCHING
Match each item with the correct statement below.
a.Baseband system
d.Broadband system
b.MANs
e.WANs
c.LANs
Transmits a single digital signal

Question 27

MATCHING
Match each item with the correct statement below.
a.Baseband system
d.Broadband system
b.MANs
e.WANs
c.LANs
Networks in a metropolitan geographical area such as a town or city

Question 28

Describe the Transport Layer of the OSI model..

Question 29

MATCHING
Match each item with the correct statement below.
a.Baseband system
d.Broadband system
b.MANs
e.WANs
c.LANs
Networks in homes,office buildings,health care facilities,or on college campuses

Question 30

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