IFMG Ch 5

Lakukan tugas rumah & ujian kamu dengan baik sekarang menggunakan Quizwiz!

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?

email

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


Set pelajaran terkait

Chapter 2: The Recording Process

View Set

Elsevier/Evolve - Applying Elastic Stockings

View Set

Chapter 25 - Respiratory System, Chapter 26 - Upper Respiratory Problems, Chapter 27 - Lower Respiratory Problems (Pneumonia & TB)

View Set

الملك حسين بن طلال

View Set