isys exam2

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Software that organizes, manages, and processes business data, such as data concerned with inventory, customers, and vendors, is called:

Data Management Software

Software that manages the resources of the computer is called:

System Software

Software used to apply the computer to a specific task for an end user is called:

Application Software

Legacy systems are still in use today because:

They are to expensive to redesign

In co-location, a firm:

Purchases and owns their web server but locates the server in the physical facility of a hosting service

What would be a reason for using a workstation rather than a personal computer?

When you need more powerful computational abilities

7. Which of the following types of computer is used for weather forecasting?puter?

Supercomputer

Connecting geographically remote computers in a single network to create a virtual supercomputer is called:

Grid Computing

The use of multiple computers linked by a communications network for processing is called:

Distributed processing

The business case for using grid computing involves all of the following except:

Centralized maintance

In a multitiered network

The work of the entire network is balanced over several levels of servers

A client computer networked to a server computer, with processing split between the two types of machinces is called

Two-tiered client/server architecture

The primary storage technologies are

Storage networks, magnetic tape,magnetic disk, and optical disk

Which of the following is a type of optical disk storage

CD rom

Which of the following storage technology stores data sequentially

Magnetic disks

A high-speed network dedicated to storage that connects different kinds of storage devices, such as tape libraries and disk arrays so they can be shared by multiple servers best describes

SAN

Which of the following is a device used to collect data directly form the environment for input into a computer system

Sensor

Which of the following is not a type of output device

Keyboard

The main challenge coming to microsofts office software suite will be

web based productivity software such as google apps

What type of device gathers data and converts them to electronic form for sure by the computer?

Input device

A widget is a

Small software program that can be added to web pages or placed on the desktop

Microsoft word is an example of

Word processing software

An industry-wide effort to develop systems that can configure optimize tune and heal themselves when broken and protect themselves from outside intruders and self destruction is called

Autonomic computing

An example of autonomic computing is

Virus protection software that runs and updates itself automatically

lunuz places a major role back office operation with _______ of the us server market

25%

Microsoft excel is an example of

Spreadsheet software

Which of the following types of computer would you use to support a computer network?

Server

The interactive multiuser operating system developed by bell laboratories in 1969 to be highly supportive of communications and networking is

Unix

Which is the most recent windows operating system

Windows 7

In client/server computing the client is

The computer that acts as the user point of entry

which of the following is not one of the most important four programming languages for business

Java

Linux is

An example of open-source software

Languages that enable a user to make requests using conversational commands resembling human speech are called

Natural languages

A report generator is a type of

Fourth generation language

Two categories of fourth generation languages are

Graphics language and application software package

Which type of software provides more control over text and graphic placement in the layout of a page than word processing software

Desktop publishing software

A software suite

Includes full featured versions of application software bundled as a unit

Running a java program on a computer requires

A java virtual machine to be installed on the computer

Which technology allows a client and server to exchange small pieces of data behind the scene so that an entire web page does not have to be reloaded each time the user requests a change

Ajax

What is the foundation technology for web services

XML

A set of self-contained services that communicate with each other to create a working software application is called

SOA

Chicagocrim.org which combines google maps with crime data for the city of chicago is an example of

A mashup

software applications that combine different online software applications are referred to as

Mashups

To analyze the direct and indirect costs and determine the actual cost of a specific technology implementations you would use

Total cost of ownership model

All of the following place strain on system capacity except for

Minimized response time for transaction processing

Which of the following refers to the abilitiy of a computer product or system to expand to serve a larger number of users without breaking down

Scalability

The concetracting of custom software development to outside firms is commonly referred to as

Outsourcing

In order to manage their relationship with outsourcer or technology service provider firms need a contract that includes a

SLA

Which of the following statments in not true about cloud computing

It removes the concern about data systems security for businesses

Purchasing computing power from a central computing service and paying only for the amount of computing power used is commonly referrred to as

Utility computing.

Which of the following is not a true statment about MDM

It is a quality of data concept that is used to identify a company's most important data

What is the first step you should take in managing data for a firm?

Identify the data needed to run the business

An example of a predigital database is a

Library's card catalog

Which of the following best illustrates the relationship between entities and attribures

The entity CUSTOMER with the attribute ADDRESS

The type of logical database model that treats data as if they were stored in two-dimensional tables is the

relational DBMS

What are the relationships that the relational database is named for

Relationships between entities

A characteristic or quality describing and entity is called

attribute

The most basic business database is comprised of

Five tables: for customers, employees, suppliers, products, and sales

In a table for customers, the information about a single customer would reside in a single

Row

In a relational database a record is also called a

Tuple

A field identified in a table as holding the unique identifier of the table's records is called the

key field

A field identified in a record as holding the unique identifier for that record is called the

Key Field

A schematic of the entire database that describes the relationships in a datebase is called a

entity-relationship diagram

A one to one relationship between two entities is symbolized in a diagram by a line that ends

in two short marks

A one to many relationship between two entities is symoblized in a diagram by a line that ends

with a crow's foot preceded by a short mark

A table that links two tables that have many to many relationship is often called a

intersection relation

the process of streamlining data to minimize redundancy and awkward many to many relationships is called

normalization

a DBMS make the

physical database available for different logical views

The logical view of a database

Presents data as they would be perceived by end users

Which of the following is not a typical feature of DBMS

Query wizard tool

Oracle database lite is a

DBMS for small handheld computing devices

Access is a

DBMS for desktop systems

MySQL is a

popular open source DBMS

Microsoft SQL server is a

DBMS for midrange computers

In a relational database the three basic operations used to develop useful sets of data are

Select project and join

The select operation

Creates a subset consisting of all records in the file that meets stated criteria

The join operation

Combines relational tables to provide the user with more information than is otherwise available

The project operation

Creates a subset consisting of columns in a table

The data dictionary serves as an important data management tool by

Creating an inventory of data definitions contained in the database.

An automated or manual file that stores information about data elements and data characteristics such as usage, physical representation ownership authorization and security is the

Data definition diagram

The specialized language programmers use to add and change data in the database is called

Structured Query Language

The most prominent data manipulation language today is

Crystal reports

DBMS typically include report generating tools in order to

Display data in an easier to read format

The type of database management approach that can handle multimedia is the

Object oriented DBMS

Which of the following database types is useful for storing Java applets as well as handling large number of transactions

Object relational DBMS

A data warehouse is composed of

both historical and current data

Which of the following statements about data warehouse is not true

Data warehouse systems provide a range of ad hoc and standardized query tools analytical tools and graphical reporting facilities

A data mart usually can be constructed more rapidly and at a lower cost than a data warehouse because

it typically focuses on a single subject area or line of business

tools for consoliddating analyzing and providing access to vast amounts of data to help users make better business decisions are known as

business intelligence

The tool that enables users to view the same data in different ways using multiple dimensions is

OLAP

OLAP is a tool for enabling

Users to obtain online answers to ad hoc questions in a rapid amount of time

Data mining is a tool for allowing users to

find hidden relationships in data

in terms of the data relationships found by data mining sequences refers to

events linked over time

In terms of the data relationships found by data mining associations refers to

occurrences linked to a single event.

An alternative to using application server software for interfacing between a web server and back-end database is

CGL

Businesses use ______ tools to search and analyze unstructured data sets and such as emails and memos

Text mining

The confusion created by ________ makes it difficult for companies to create customer relationship management, supply chain management, or enterprise systems that integrate data from different sources

Data redundancy

detecting and correcting data in a database or file that are incorrect, incomplete, improperly formatted, or redundant is called

data scrubbing

Which of the following would you use to find patterns in user interaction data recorded by the Web servers

Web usage mining

Which of the following would you use to find out which websites with content related to database design were the most often linked to by the other web sites?

Web structure mining

The device that acts as a connection point between computers and can filter and forward data to a specified destination is called

switch

The internet is based on which three key technologies?

Client/server computing, packet switching, and the development of communications standards for linking networks and computers.

The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destination is called

Packet switching

The telephone system is an example of a ______ network

Circuit switched

Which of the following is not a characteristic of a packet switching?

Packet switching requires point to point circuits

In TCP/IP, IP is responsible for?

Disassembling and reassembling of packets during transmission

In a telecommunications network architecture a protocol is

A standard set of rules and procedures for control of communications in a network

What are the four layers of TCP/IP reference model

Application, transport, internet, and network interface.

Which signal types are represented by continuous waveform

Analog

To use the analog telephone system for sending digital data you muse also use

A modem

Which type of network treats all processors equally and allows peripheral devices to be shared without going to a separate server?

Peer to peer

Which type of network would be most appropriate for a business that comprised three employees and a manager located in the same office space, whose primary need is to share documents?

Campus area network

In a bus network

Signals are broadcast in both directions to the entire network.

All network components connect to a single hub in a ______ topology

Star

The most common Ethernet topology is

Bus

A network that spans a city and sometimes its major suburbs as well is called a

MAN

A network that covers entire geographical regions is most commonly referred to as a

Wide area network

Which type of network is used to connect digital devices within half mile or 500 meter radius?

LAN

____ works by using radio waves to communicate with radio antennas placed within adjacent geographic areas

Cell Phones

Bandwidth is the

Difference between the highest and lowest frequencies that can be accommodated on a single channel

The total amount of digital information that can be transmitted through any telecommunications medium is measured in

BPS

Digital subscriber lines

operate over existing telephone lines to carry voice data and video

Which protocol is the internet based on

TCP/IP

What service converts IP addresses into more recognizable alphanumeric names?

DNS

the child domain of the root is the

Top level domain

In the domain name http://myspace.blogging.com what are the root, top level, second level, and third level domains respectively?

".", com, blogging, myspace

Which organization helps define the overall structure of the internet

IAB

IPv6 is being developed in order to

Create more IP addresses

Which of the following services enables logging on to one computer system and working on another?

FTP

Instant messaging is a type of _____ service

Chat

T lines

Are high speed leased data lines providing guaranteed service levels

The need in some cases for employees to have access to sexually explicit material on the Internet, such as medical researchers, suggests that companies

need to base their Internet use policies on the needs of the organization and culture

______ Integrates disparate channels for voice communications data communications instant messaging email and electronic conferencing into a single experience

Unified communications

A VPN

Is an encrypted private network configured within a public network

Web browser software requests web pages form the internet using which protocol

HTTP

Together a protocol prefix a domain name a directory path and a document name are called a

Uniform resource locator

The most common web server today controlling 46 percent of the market is

Apache HTTP server

What technology allows people to have content pulled from the web sites and fed automatically to their computers

RSS

The process of employing techniques to help a web site achieve a higher ranking with the major search engines is called

SEO

Which of the following statements is not true about search engines?

There are hundreds of search engines vying for user attention with no clear leader having yet emerged.

Which fo the following is the first generation of cellular systems suitable for wireless broadband internet access?

3G

CDMA

transmits over several frequencies

The most appropriate wireless networking standard for creating PANs is

I-mode

Bluetooth can be used to link up to _________ devices within a 10 meter area using low power radio based communications

Eight

the wi-fi 802.11a standard can transmit up to

54 Mbps in the 5-GHz frequency range

one or more access points positioned on a ceiling wall or other strategic spot in public places to provide maximum wireless coverage for a specific area are referred to as

hotspots

The IEEE standard for the WiMax is

IEEE802.16

The WiMax standard can transmit up to a distance of apporiximately

30 miles

Passive RFID tags

Have a range of several feet.

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