IFMG Ch 5
IPv6 will allow for ___ unique IP addresses.
2128
_____ portals support communities such as hobby groups or a political party.
Affinity
The popularity of online classes and online universities can be attributed to which of the following network applications? Discovery Communications Collaboration
All of the above
Networks enable which of the following applications? Discovery Communications Collaboration
All of these
Which of the following are advantages of computer networks? They enable organizations to be more flexible. They enable companies to share hardware, computer applications, and data. They enable geographically dispersed employees to work together. They provide a critical link between businesses and their customers.
All oft the above
Most Internet search engines maintain an index of billions of Web pages. These indexes are updated using:
Automated webcrawlers.
A high-speed network that connects a firm's LANs and WANS is:
Backbone network
A modem can perform which of the following operations?
Both of the following are correct: Convert analog signals to digital signals only; and convert digital signals to analog signals only
Workflow, groupware, and telepresence systems are examples of which network application?
Collaboration
__________ are high speed central networks to which multiple smaller networks connect
Corporate backbone networks
What type of connection would a user need in order to operate the telephone and the Internet on the same line?
DSL
Which transmission technology utilizes existing telephone lines?
DSL
If broadband is not available in your area, which fo the following Internet connection methods would allow you to connect to the Internet?
Dial-up
The name assigned to an Internet site, consisting of multiple parts, separated by dots, which are translated from right to left.
Domain name
An Intranet that allows limited access to its partners, suppliers, and customers is called a(n):
Extranet
TCP/IP is a common LAN protocol
False
computers typically work in isolation in modern organizations due to information security concerns
False
one of the advantages of e-learning is that it is easy to assess students' work
False
The use of the Internet as the transmission medium for telephone calls.
Internet telephony (Voice-over Internet Protocol or VoIP)
A collection of the following devices ? two desktop computers, three laptops, two smart phones and a printer ? can be described as a(n):
LAN
A network that connects computing devices within the same building is:
LAN
Every device in the __________ has a NIC that allows the device to physically connect to the network's communication medium.
LAN
a network that connects computing devices within the same building is an:
LAN
What type of network usually spans a city rather than a personal home dwelling?
MAN
Place the different types of computer networks in size order, ranging from smallest to largest.
PAN-LAN-MAN-WAN
__________ is a data transmission technology that uses packet switching and allows for almost unlimited bandwidth on demand.
TCP/IP
A student typed the domain name of his school into his Web browser. What part of the school's domain name, www.auburn.edu, is the "edu"?
TLD
Network protocols describe
The connections between the nodes in the network.
A network engineer has discovered that some data packets transmitted over the network did not reach their destination but that other packets did. What is the most likely cause?
The network was busy at the time the packet was sent.
A file transfer protocol that can send large files of information across sometimes unreliable networks with assurance that the data will arrive uncorrupted.
Transmission Control Protocol/Internet Protocol (TCP/IP)
Networks enable organizations to meet rapidly changing business conditions
True
one of the drawbacks of telecommuting is that telecommuting employees have a lower chance of being promoted than employees who work in the office
True
workflow is the movement of information as it progresses through a sequence of steps that make up an organizations' work procedures
True
The least expensive cable medium is:
Twisted-pair wire
A company needs to establish a secure network link to their internal systems. What kind of network should they use?
VPN
With _____, phone calls are treated as just another kind of data.
Voice over Internet Protocol
Collectively, all of the Web pages of a particular company or individual.
Voice-over Internet Protocol (VOIP; see Internet telephony) Web site
Which pair represents the largest and smallest network?
WAN,PAN
A system of universally accepted standards for storing, retrieving, formatting, and displaying information via a client/server architecture; it uses the transport functions of the Internet.
World Wide Web (The Web, WWW, or W3)
What type of company would use the advanced search and file sharing option for peer-to-peer processing?
a music sharing company
A(n) __________ portal supports communities of people who enjoy the same hobbies or affiliations.
affinity
A Web site that offers a single point of entry to an entire community of affiliated interests.
affinity portal
a single point of entry to an entire community of common interests is:
affinity portal
Where in a domain name do you find the top-level domain (TLD)?
all the way to the right
Continuous waves that transmit information by altering the amplitude and frequency of the waves.
analog signals
Which of the following is not a basic function of transmission control protocol?
analyzing the packets for size
A high-speed network that connects a firm's LANs and WANS is
backbone network
High-speed central networks to which multiple smaller networks (such as LANs and smaller WANs) connect.
backbone networks
The transmission capacity of a network, stated in bits per second.
bandwidth
The transmission capacity of a communications medium faster than 4 Mbps downstream and 1 Mbps upstream.
broadband
Communications channels that use electromagnetic media (the "airwaves") to transmit data.
broadcast media (also called wireless media)
Software applications through which users primarily access the Web.
browsers
Communications channels that use physical wires or cables to transmit data and information.
cable media (also called wireline media)
A virtual meeting place where groups of regulars come to "gab" electronically.
chat room
Form of distributed processing in which some machines (servers) perform computing functions for end-user PCs (clients).
client/server computing
Computers, such as users' personal computers, that use any of the services provided by servers.
clients
Insulated copper wire; used to carry high-speed data traffic and television signals.
coaxial cable
Mutual efforts by two or more individuals who perform activities in order to accomplish certain tasks.
collaboration
Workflow, groupware, and telepresence systems are examples of which network application?
collaboration
Real-time, person-to-person processing is enabled by a peer-to-peer service that offers ___________ software such as Microsoft SharePoint.
collaborative work
A Web site that offers fairly routine content for diverse audiences; offers customization only at the user interface.
commercial (public) portal
Pathway for communicating data from one location to another.
communications channel
A system that connects computers and other devices via communications media so that data and information can be transmitted among them.
computer network
A Web site that provides a single point of access to critical business information located inside and outside of an organization.
corporate portal
A process in which an organization outsources a task to an undefined, generally large group of people in the form of an open call.
crowdsourcing
What is the opposite of fiber in terms of speed?
dial-up
A discrete pulse, either on or off, that conveys information in a binary form.
digital signals
A high-speed, digital data-transmission technology using existing analog telephone lines.
digital subscriber line (DSL)
Learning situations in which teachers and students do not meet face-to-face.
distance learning (DL)
Network architecture that divides processing work between two or more computers, linked together in a network.
distributed processing
The system administered by the Internet Corporation for Assigned Names (ICANN) that assigns names to each site on the Internet.
domain name system (DNS)
Learning supported by the Web; can be done inside traditional classrooms or in virtual classrooms.
e-learning
Which communication technology is used by the largest number of people?
An organization's network composed of interconnected multiple LANs and WANs.
enterprise network
A(n) ___ can consist of one or more ____ .
enterprise network, LANS
What is a downside of e-learning?
equipment needs
A common local area network protocol.
ethernet
A network that connects parts of the intranets of different organizations.
extranets
Voice-over IP transmits voice over the internet in the form of analog waves
false
a virtual group is one that works in the same room, but uses digital technology to accomplish its goals
false
Which wireline communication has the highest security?
fiber optic
A communications medium consisting of thousands of very thin filaments of glass fibers, surrounded by cladding, that transmit information via light pulses generated by lasers.
fiber optic cable
A computer that contains various software and data files for a local area network and contains the network operating system.
file server (also called network server)
The communications standard used to transfer pages across the WWW portion of the Internet; defines how messages are formulated and transmitted.
hypertext transport protocol (HTTP)
A Web-based gateway to information and knowledge for an entire industry.
industry wide portal
When a user sends an e-mail, which layer addresses, routes and then packages it into data packets?
internet
The primary network connections and telecommunications lines that link the computers and organizational nodes of the Internet.
internet backbone
A set of rules responsible for disassembling, delivering, and reassembling packets over the Internet.
internet protocol (IP)
An assigned address that uniquely identifies a computer on the Internet.
internet protocol (IP) address
A company that provides Internet connections for a fee.
internet service provider (ISP)
The __ is the transport mechanism, while the __ is the application that uses transport mechanism
internet, www
A new, faster telecommunications network that deploys advanced network applications such as remote medical diagnosis, digital libraries, distance education, online simulation, and virtual laboratories.
internet2
A private network that uses Internet software and TCP/IP protocols.
intranet
Compared to an intranet, an extranet offers ___ accessibility inside the organization.
less
A network that connects communications devices in a limited geographical region, such as a building, so that every user device on the network can communicate with every other device.
local area network (LAN)
The main innovation of VoIP technology is the ability to
make calls over the internet
A computer program that searches several engines at once and integrates the findings of the various search engines to answer queries posted by users.
metasearch engine
Device that converts signals from analog to digital and vice versa.
modem
IPv6 allows ___ devices to connect to the Internet than IPv4 does.
more
Computers that act as exchange points for Internet traffic and determine how traffic is routed.
network access points (NAPS)
Which statement is NOT true about networks? Employees can be dispersed geographically. Networks enable companies to share resources. Network computers have to be isolated. They make company resources flexible.
network computers have to be isolated
Pricing according to bandwidth is the best alternative to what current pricing system?
network neutrality
(see file server)
network server
The transmission technology that divides blocks of text into packets.
packet switching
A type of client/server distributed processing that allows two or more computers to pool their resources, making each computer both a client and a server.
peer-to-peer (P2P) processing
A Web-based personalized gateway to information and knowledge that provides information from disparate information systems and the Internet, using advanced search and indexing techniques.
portal
The set of rules and procedures governing transmission across a network.
protocol
A collaborative workspace such as Microsoft SharePoint would use what type of peer-to-peer processing?
real-time, person-to-person
The computer reads the domain name from ____ instead of top to bottom.
right to left
A communications processor that routes messages from a LAN to the Internet, across several connected LANs, or across a wide area network such as the Internet.
router
A computer program that searches for specific information by key words and reports the results.
search engine
Computers that provide access to various network services, such as printing, data, and communications.
servers
A company's IT staff has chosen twisted-pair wire to use in a network for its employees. What is the disadvantage of using this communication channel?
speed
What is most likely to improve for employees as a result of telecommuting?
stress levels
An interface standard for transporting digital signals over fiber-optic lines; allows the integration of transmissions from multiple vendors.
synchronous optical network (SONET)
The use of electronic communication that allows two or more people at different locations to have a simultaneous conference.
telePathway for communicating data from one location to another. conferencing
A work arrangement whereby employees work at home, at the customer's premises, in special workplaces, or while traveling, usually using a computer linked to their place of employment.
telecommuting
The latest features of videoconferencing include
telepresence systems
A massive global WAN that connects approximately 1 million organizational computer networks in more than 200 countries on all continents, including Antarctica, and features in the daily routine of almost 2 billion people. Participating computer systems include smartphones, PCs, LANs, databases, and mainframes.
the internet (the net)
Compared to taking a face-to-face college course, which of the following is a disadvantage of taking an online course?
time management
Many organizations have implemented corporate portals for which of the following reasons?
to offer customers self-service opportunities
The rightmost segment of a domain name is
top-level domain
Providing customers with more __________ is a major concern of ISPs.
transmission capacity
Messages transmitted across the internet are first divided into packets
true
Servers are typically more powerful than client machines
true
Unified communications simplifies and integrates all forms of communications on a common hardware and software platform.
true
a digital signal consists of a stream of digital bits
true
a search engine that utilizes other search engines and integrates the results is a metasearch engine
true
thin clients depend on the network to be able to run applications
true
What type of communication wiring is popular for business telephones?
twisted-pair
A communications medium consisting of strands of copper wire twisted together in pairs.
twisted-pair wire
Jack is planning to install his own network and wants something that is cheap and easy to manage. What type of network communications channel should he choose?
twisted-pair wire
the least expensive cable medium is
twisted-pair wire
Common hardware and software platform that simplifies and integrates all forms of communications—voice, e-mail, instant messaging, location, and videoconferencing—across an organization.
unified communications
The set of letters that identifies the address of a specific resource on the Web.
uniform resource locator (URL)
A virtual meeting in which participants in one location can see and hear participants at other locations and can share data and graphics by electronic means.
videoconference
The use of digital technologies that enable organizations or individuals to collaboratively plan, design, develop, manage, and research products, services, and innovative information systems and electronic commerce applications.
virtual collaboration
A work group whose members are in different locations and who meet electronically.
virtual group (team)
Online universities in which students take classes via the Internet at home or an off-site location.
virtual universities
A network, generally provided by common carriers, that covers a wide geographic area.
wide area network (WAN)
(see broadcast media)
wireless media
(see cable media)
wireline media
Two or more individuals who act together to perform some task, on either a permanent or temporary basis.
work group
The movement of information as it flows through the sequence of steps that make up an organization's work procedures.
workflow
