Transcript Q1 on Ch02 Networking Fundamentals

Chapter 2
Cisco 1 - Networking Basics
LANs were developed to solve which business needs? (Choose three.)
Perrine. J
1.
reduce duplication of equipment
2.
promote the use of sneakernets
3.
increase productivity while saving money
4.
reduce the number of duplicate copies of files
5.
connect users in different geographic locations
6.
increase complexity of the work environment
4/6/2016
Page 1
Chapter 2
Cisco 1 - Networking Basics
LANs were developed to solve which business needs? (Choose three.)
Perrine. J
1.
reduce duplication of equipment
2.
promote the use of sneakernets
3.
increase productivity while saving money
4.
reduce the number of duplicate copies of files
5.
connect users in different geographic locations
6.
increase complexity of the work environment
4/6/2016
Page 2
Chapter 2
Cisco 1 - Networking Basics
Which of the following were disadvantages of electronic bulletin boards?
(Choose 3.)
Perrine. J
1.
Simultaneous user connections to multiple computers were very fast.
2.
Availability was limited to those who knew the location.
3.
They did not scale well to keep up with growing demand.
4.
Users could not simultaneously share files.
5.
Modem and telephone line requirements were demanding.
4/6/2016
Page 3
Chapter 2
Cisco 1 - Networking Basics
Which of the following were disadvantages of electronic bulletin boards?
(Choose 3.)
Perrine. J
1.
Simultaneous user connections to multiple computers were very fast.
2.
Availability was limited to those who knew the location.
3.
They did not scale well to keep up with growing demand.
4.
Users could not simultaneously share files.
5.
Modem and telephone line requirements were demanding.
4/6/2016
Page 4
Chapter 2
Cisco 1 - Networking Basics
Which of the following are LAN design goals? (Choose three)
Perrine. J
1.
provide full-time connectivity to remote services
2.
consolidate network devices and protocols to a single vendor
3.
provide access to high-bandwidth media
4.
operate within a limited geographic area
5.
allow users to share files and printers
6.
provide access to geographically separated networks
4/6/2016
Page 5
Chapter 2
Cisco 1 - Networking Basics
Which of the following are LAN design goals? (Choose three)
Perrine. J
1.
provide full-time connectivity to remote services
2.
consolidate network devices and protocols to a single vendor
3.
provide access to high-bandwidth media
4.
operate within a limited geographic area
5.
allow users to share files and printers
6.
provide access to geographically separated networks
4/6/2016
Page 6
Chapter 2
Cisco 1 - Networking Basics
Which of the following are considered WAN technologies? (Choose three)
Perrine. J
1.
DSL
2.
Ethernet
3.
FDDI
4.
Frame Relay
5.
Modem
6.
Token Ring
4/6/2016
Page 7
Chapter 2
Cisco 1 - Networking Basics
Which of the following are considered WAN technologies? (Choose three)
Perrine. J
1.
DSL
2.
Ethernet
3.
FDDI
4.
Frame Relay
5.
Modem
6.
Token Ring
4/6/2016
Page 8
Chapter 2
Cisco 1 - Networking Basics
Why are networking standards needed?
Perrine. J
1.
Many networks now cover wide geographic area
2.
Technologies must be compatible to allow communication
3.
Hardware and software are continually being redesigned
4.
LANs, MANs, and WANs use different kinds of equipment.
4/6/2016
Page 9
Chapter 2
Cisco 1 - Networking Basics
Why are networking standards needed?
Perrine. J
1.
Many networks now cover wide geographic area
2.
Technologies must be compatible to allow communication
3.
Hardware and software are continually being redesigned
4.
LANs, MANs, and WANs use different kinds of equipment.
4/6/2016
Page 10
Chapter 2
Cisco 1 - Networking Basics
Why did networks experience problems in the mid-1980s?
Perrine. J
1.
Many new network technologies were incompatible
2.
Employees preferred sneaker net
3.
Common carriers went bankrupt
4.
Everyone used the same hardware and software
4/6/2016
Page 11
Chapter 2
Cisco 1 - Networking Basics
Why did networks experience problems in the mid-1980s?
Perrine. J
1.
Many new network technologies were incompatible
2.
Employees preferred sneaker net
3.
Common carriers went bankrupt
4.
Everyone used the same hardware and software
4/6/2016
Page 12
Chapter 2
Cisco 1 - Networking Basics
Which of the following are typical features that determine throughput? (Choose
two.)
Perrine. J
1.
types of passwords used on servers
2.
type of Layer 3 protocol used
3.
network topology
4.
length of the network cable
5.
number of users on the network
4/6/2016
Page 13
Chapter 2
Cisco 1 - Networking Basics
Which of the following are typical features that determine throughput? (Choose
two.)
Perrine. J
1.
types of passwords used on servers
2.
type of Layer 3 protocol used
3.
network topology
4.
length of the network cable
5.
number of users on the network
4/6/2016
Page 14
Chapter 2
Cisco 1 - Networking Basics
Which of the following would be used by a network administrator to calculate
an estimate of network performance? (Choose two.)
Perrine. J
1.
size of file
2.
protocol overhead
3.
line bandwidth
4.
encapsulation rate
5.
bit error rate
4/6/2016
Page 15
Chapter 2
Cisco 1 - Networking Basics
Which of the following would be used by a network administrator to calculate
an estimate of network performance? (Choose two.)
Perrine. J
1.
size of file
2.
protocol overhead
3.
line bandwidth
4.
encapsulation rate
5.
bit error rate
4/6/2016
Page 16
Chapter 2
Cisco 1 - Networking Basics
What is the OSI model?
Perrine. J
1.
A conceptual framework that specifies how information travels through
networks
2.
A model that describes how data makes its way from one application
program to another through a network
3.
A conceptual framework that specifies which network functions occur at
each layer
4.
All of the above
4/6/2016
Page 17
Chapter 2
Cisco 1 - Networking Basics
What is the OSI model?
Perrine. J
1.
A conceptual framework that specifies how information travels through
networks
2.
A model that describes how data makes its way from one application
program to another through a network
3.
A conceptual framework that specifies which network functions occur at
each layer
4.
All of the above
4/6/2016
Page 18
Chapter 2
Cisco 1 - Networking Basics
Which statements describe the network layer of the OSI model in relation to
peer-to-peer communication? (Choose two.)
Perrine. J
1.
Data is encapsulated and a header is attached creating a packet.
2.
Network layer information is encapsulated in a frame.
3.
The header contains information required to complete the transfer,
such as source and destination logical addresses.
4.
A service is provided to the physical and the application layer of the
OSI model.
5.
Data is encapsulated into segments.
6.
The header contains no error correction.
4/6/2016
Page 19
Chapter 2
Cisco 1 - Networking Basics
Which statements describe the network layer of the OSI model in relation to
peer-to-peer communication? (Choose two.)
Perrine. J
1.
Data is encapsulated and a header is attached creating a packet.
2.
Network layer information is encapsulated in a frame.
3.
The header contains information required to complete the
transfer, such as source and destination logical addresses.
4.
A service is provided to the physical and the application layer of the
OSI model.
5.
Data is encapsulated into segments.
6.
The header contains no error correction.
4/6/2016
Page 20
Chapter 2
Cisco 1 - Networking Basics
Which of the following are data link layer encapsulation details? (Choose two.)
Perrine. J
1.
Packets are put into frames.
2.
Data is packaged into a packet.
3.
Data is segmented into segments.
4.
Data is converted for Internet travel.
5.
An address is added to identify the directly connected device.
4/6/2016
Page 21
Chapter 2
Cisco 1 - Networking Basics
Which of the following are data link layer encapsulation details? (Choose two.)
Perrine. J
1.
Packets are put into frames.
2.
Data is packaged into a packet.
3.
Data is segmented into segments.
4.
Data is converted for Internet travel.
5.
An address is added to identify the directly connected device.
4/6/2016
Page 22
Chapter 2
Cisco 1 - Networking Basics
Which of the following terms refers to end-user devices that provide users with a
connection to the network?
Perrine. J
1.
hub
2.
router
3.
host
4.
server
4/6/2016
Page 23
Chapter 2
Cisco 1 - Networking Basics
Which of the following terms refers to end-user devices that provide users with a
connection to the network?
Perrine. J
1.
hub
2.
router
3.
host
4.
server
4/6/2016
Page 24
Chapter 2
Cisco 1 - Networking Basics
Which of the following best defines encapsulation?
Perrine. J
1.
Segmenting data so that it flows uninterrupted through the network
2.
Compressing data so that it moves more quickly
3.
Moving data in groups so that it stays together
4.
Wrapping of data in a particular protocol header
4/6/2016
Page 25
Chapter 2
Cisco 1 - Networking Basics
Which of the following best defines encapsulation?
Perrine. J
1.
Segmenting data so that it flows uninterrupted through the network
2.
Compressing data so that it moves more quickly
3.
Moving data in groups so that it stays together
4.
Wrapping of data in a particular protocol header
4/6/2016
Page 26
Chapter 2
Cisco 1 - Networking Basics
Which of the following physical topologies is used in situations where breaks in
communications are unacceptable?
Perrine. J
1.
ring
2.
star
3.
mesh
4.
bus
4/6/2016
Page 27
Chapter 2
Cisco 1 - Networking Basics
Which of the following physical topologies is used in situations where breaks in
communications are unacceptable?
Perrine. J
1.
ring
2.
star
3.
mesh
4.
bus
4/6/2016
Page 28
Chapter 2
Cisco 1 - Networking Basics
Which type of VPN uses analog, dialup, ISDN, DSL, mobile IP, or cable
technologies to securely connect mobile users and telecommuters to branch
office networks?
Perrine. J
1.
Access VPN
2.
Intranet VPN
3.
Extranet VPN
4.
Shared VPN
4/6/2016
Page 29
Chapter 2
Cisco 1 - Networking Basics
Which type of VPN uses analog, dialup, ISDN, DSL, mobile IP, or cable
technologies to securely connect mobile users and telecommuters to branch
office networks?
Perrine. J
1.
Access VPN
2.
Intranet VPN
3.
Extranet VPN
4.
Shared VPN
4/6/2016
Page 30
Chapter 2
Cisco 1 - Networking Basics
A contracting company is planning to allow its subcontractors and suppliers
access to its network resources. It desires the security of knowing that the
general public and competitors will not be able to access the information. Which
of the following technologies should the company implement?
Perrine. J
1.
Access VPN
2.
Dial-up VPN
3.
Extranet VPN
4.
Intranet VPN
5.
Secure VPN
6.
Wide-Area VPN
4/6/2016
Page 31
Chapter 2
Cisco 1 - Networking Basics
A contracting company is planning to allow its subcontractors and suppliers
access to its network resources. It desires the security of knowing that the
general public and competitors will not be able to access the information. Which
of the following technologies should the company implement?
Perrine. J
1.
Access VPN
2.
Dial-up VPN
3.
Extranet VPN
4.
Intranet VPN
5.
Secure VPN
6.
Wide-Area VPN
4/6/2016
Page 32
Chapter 2
Cisco 1 - Networking Basics
Which of the following are characteristics that cause bandwidth to vary? (Choose
three.)
Perrine. J
1.
network technologies used
2.
physics of the media
3.
application in use
4.
signaling methods
5.
type of data
4/6/2016
Page 33
Chapter 2
Cisco 1 - Networking Basics
Which of the following are characteristics that cause bandwidth to vary? (Choose
three.)
Perrine. J
1.
network technologies used
2.
physics of the media
3.
application in use
4.
signaling methods
5.
type of data
4/6/2016
Page 34
Chapter 2
Cisco 1 - Networking Basics
Which layer of the OSI model establishes, manages, and terminates
communication between applications?
Perrine. J
1.
Application
2.
Presentation
3.
Session
4.
Transport
4/6/2016
Page 35
Chapter 2
Cisco 1 - Networking Basics
Which layer of the OSI model establishes, manages, and terminates
communication between applications?
Perrine. J
1.
Application
2.
Presentation
3.
Session
4.
Transport
4/6/2016
Page 36
Chapter 2
Cisco 1 - Networking Basics
Which of the following is the approximate amount of time it would take to transmit
a 23.1 megabyte file on a T1 link?
Perrine. J
1.
fifteen seconds
2.
fifteen million seconds
3.
one hundred twenty seconds
4.
one hundred twenty thousand seconds
4/6/2016
Page 37
Chapter 2
Cisco 1 - Networking Basics
Which of the following is the approximate amount of time it would take to transmit
a 23.1 megabyte file on a T1 link?
Perrine. J
1.
fifteen seconds
2.
fifteen million seconds
3.
one hundred twenty seconds
4.
one hundred twenty thousand seconds
4/6/2016
Page 38