Transcript mis9_ch08_crsppt

In many companies,
disparate networks are
moving toward a single
common foundation based
on…
1.
2.
3.
4.
5.
enterprise applications.
Internet technologies.
intranet technologies.
Windows operating systems.
Linux operating systems.
In many companies,
disparate networks are
moving toward a single
common foundation based
on…
1.
2.
3.
4.
5.
enterprise applications.
Internet technologies.
intranet technologies.
Windows operating systems.
Linux operating systems.
One of the major problems facing corporations today is how to
integrate all the different communication networks and channels
into a coherent system that enables information to flow from one
part of the corporation to another, from one system to another.
Which of the following
communication trends
has created many
alternatives for local
phone service?
1. Rapid technological innovation
2. Rapid growth in wireless
technologies
3. Rapid growth in broadband
connections
4. Telecommunications
deregulation
5. Not sure
Which of the following
communication trends
has created many
alternatives for local
phone service?
1. Rapid technological innovation
2. Rapid growth in wireless
technologies
3. Rapid growth in broadband
connections
4. Telecommunications
deregulation
5. Not sure
Continuing telecommunications deregulation has encouraged
competition, lowered prices in long-distance telephone service,
and created many alternatives for local phone service such as
wireless, cable, and Internet telephones.
According to Metcalfe’s
Law, the more people
participating in a
network, the …
1.
2.
3.
4.
5.
more work will be done.
less work will be done.
greater its value.
the less its value.
Not sure
According to Metcalfe’s
Law, the more people
participating in a
network, the …
1.
2.
3.
4.
5.
more work will be done.
less work will be done.
greater its value.
the less its value.
Not sure
Mr. Metcalfe, founder of Netscape Communications in 1992,
argued that the Internet would grow exponentially because the
value of the network to individuals grows exponentially as the
network adds members.
Which of the following
is not a business value
impact of the
telecommunications
revolution?
1.
2.
3.
4.
5.
Improved temporal barriers
Higher quality decisions
Declining agency costs
Increased agility
Declining geographical
barriers
Which of the following
is not a business value
impact of the
telecommunications
revolution?
1.
2.
3.
4.
5.
Improved temporal barriers
Higher quality decisions
Declining agency costs
Increased agility
Declining geographical
barriers
The telecommunications revolution has resulted in declining
temporal barriers meaning that some goods such as software
can be produced around the clock, seven days a week.
Each computer on a
network contains a
network interface
device called a…
1. computer network interface.
2. computer interface device.
3. broadband connection.
4. high-speed interface card.
5. network interface card.
Each computer on a
network contains a
network interface
device called a…
1. computer network interface.
2. computer interface device.
3. broadband connection.
4. high-speed interface card.
5. network interface card.
Most personal computers have a network interface card built into
the motherboard.
A special communications
processor used to route
packets of data through
different networks is a…
1. hub.
2. switch.
3. router.
4. network operating system.
5. protocol.
A special communications
processor used to route
packets of data through
different networks is a…
1. hub.
2. switch.
3. router.
4. network operating system.
5. protocol.
A router ensures that messages sent across a network get to the
correct address.
A method of slicing
digital messages into
parcels and then
sending them through
a network using
different paths is
called…
1. parcel slicing.
2. parcel switching.
3. packet switching.
4. packet slicing.
5. packet routing.
A method of slicing
digital messages into
parcels and then
sending them through
a network using
different paths is
called…
1. parcel slicing.
2. parcel switching.
3. packet switching.
4. packet slicing.
5. packet routing.
Packets are reassembled into the original, coherent message
once they arrive at their destination.
Corporate networks are
using a single, common,
worldwide standard known
as…
1. NIC.
2. TCP/IP.
3. OSI.
4. DWDM.
5. Wi-Fi.
Corporate networks are
using a single, common,
worldwide standard known
as…
1. NIC.
2. TCP/IP.
3. OSI.
4. DWDM.
5. Wi-Fi.
Transmission Control Protocol/Internet Protocol provides a
universally agreed-on method for breaking up digital messages
into packets, routing them to the proper addresses, and then
reassembling them into coherent messages.
Which of the following is
not one of the four layers
of the TCP/IP reference
model for
communications?
1. Application layer
2. Transport layer
3. Internet layer
4. Operating system layer
5. Network layer
Which of the following is
not one of the four layers
of the TCP/IP reference
model for
communications?
1. Application layer
2. Transport layer
3. Internet layer
4. Operating system layer
5. Network layer
Data from one computer to the other passes downward through
all four layers, starting with the sending computer’s application
layer and passing through the network interface layer.
A set of rules and
procedures governing
transmission of
information between
two points in a network
is called…
1. switches.
2. open systems model.
3. dense wavelength division
multiplexing.
4. protocols.
5. Not sure
A set of rules and
procedures governing
transmission of
information between
two points in a network
is called…
1. switches.
2. open systems model.
3. dense wavelength division
multiplexing.
4. protocols.
5. Not sure
Different components in a network can communicate with each
other only by adhering to a common set of rules called
protocols.
The physical transmission
media type that consists
of thickly insulated and
shielded copper wire is…
1. fiber-optic cable.
2. coaxial cable.
3. twisted wire.
4. optical broadband.
5. microwave cable.
The physical transmission
media type that consists
of thickly insulated and
shielded copper wire is…
1. fiber-optic cable.
2. coaxial cable.
3. twisted wire.
4. optical broadband.
5. microwave cable.
Twisted wire consists of strands of copper wire twisted in pairs
and is the oldest electronic transmission medium. Fiber-optic
cable consists of strands of clear glass fiber.
Which of the following
operates over existing
copper telephone lines to
carry voice, data, and
video?
1. Cable modems
2. Digital subscriber lines
3. Microwaves
4. T-1 lines
5. Not sure
Which of the following
operates over existing
copper telephone lines to
carry voice, data, and
video?
1. Cable modems
2. Digital subscriber lines
3. Microwaves
4. T-1 lines
5. Not sure
DSL has two categories: Asymmetric DSL supports a
transmission rate of 1.5 to 1.9 Mbps when receiving data and up
to 640 Kbps when sending data. Symmetric DSL supports the
same transmission rate for sending and receiving data of up to 3
Mbps.
Every computer on the
Internet is assigned a
unique…
1. IP address.
2. TCP address.
3. OSI address.
4. DSL address.
5. Not sure
Every computer on the
Internet is assigned a
unique…
1. IP address.
2. TCP address.
3. OSI address.
4. DSL address.
5. Not sure
The IP address is a 32-bit number represented by four strings of
numbers and ranging from 0 to 255.
Which system converts IP
addresses to domain
names?
1. Network operating system
2. TCP/IP
3. Internet governance system
4. Domain name system
5. Internet service system
Which system converts IP
addresses to domain
names?
1. Network operating system
2. TCP/IP
3. Internet governance system
4. Domain name system
5. Internet service system
A domain name is the English-like name that corresponds to the
unique 32-bit numeric IP address for each computer connected
to the Internet.
Which of the following is
not an Internet service to
which a client computer
has access?
1. Telnet
2. File Transfer Protocol
3. World Wide Web
4. Usenet newsgroups
5. Infodata transfer
Which of the following is
not an Internet service to
which a client computer
has access?
1. Telnet
2. File Transfer Protocol
3. World Wide Web
4. Usenet newsgroups
5. Infodata transfer
Each Internet service is implemented by one or more software
programs. All of the services may run on a single server
computer, or different services may be allocated to different
machines.
Which of the following is
not a unique feature of
Internet technology?
1. Ubiquity
2. Richness
3. Hardware platform
4. Customization
5. Information density
Which of the following is
not a unique feature of
Internet technology?
1. Ubiquity
2. Richness
3. Hardware platform
4. Customization
5. Information density
The Internet is unique and very different from any other
networking technology developed in the past. These unique
features translate directly into business value for all businesses,
worldwide, whether they are small or large.
The communications
standard used to transfer
pages on the Web is…
1. XML.
2. HTML.
3. HTPM.
4. HTTP.
5. FTP.
The communications
standard used to transfer
pages on the Web is…
1. XML.
2. HTML.
3. HTPM.
4. HTTP.
5. FTP.
Web pages are accessible through the Internet because Web
browser software on your computer can request Web pages
stored on an Internet host server using the Hypertext Transfer
Protocol (HTTP).
Which of the following
contains software that
looks for Web pages
containing one or more
search terms?
1. Enterprise software
2. Search engine
3. FTP
4. Web servers
5. Telnet
Which of the following
contains software that
looks for Web pages
containing one or more
search terms?
1. Enterprise software
2. Search engine
3. FTP
4. Web servers
5. Telnet
Once the search engine finds appropriate Web pages, the
matches are displayed in a results list according to relevancy.
The most popular Web
search tool is…
1. Overture.
2. AOL.
3. Google.
4. Yahoo.
5. Altavista.
The most popular Web
search tool is…
1. Overture.
2. AOL.
3. Google.
4. Yahoo.
5. Altavista.
Google has become overwhelmingly the most popular Web
search tool and is used for about 55 percent of all searches on
the Web through its own site.
Which of the following
uses the Internet Protocol
to deliver voice
information in digital
form?
1. Telnet
2. VoIP
3. FTP
4. HTTP
5. VPN
Which of the following
uses the Internet Protocol
to deliver voice
information in digital
form?
1. Telnet
2. VoIP
3. FTP
4. HTTP
5. VPN
Voice over Internet Protocol (VoIP) uses the IP to deliver voice
information in digital form using packet switching, avoiding the
tolls charged by local and long-distance telephone networks.