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MIS 2223 Chapters 10-12
70 cards·by amcloopy
Digital communications describes a process in which two or more computers or devices
transfer all of the following: data, instr, info, netwo
networks
Which of the following is a LAN that uses no physical wires?
WLAN
What is the term for a network that covers a large geographic area using a variety of wired and
wireless transmission media?
Wide area network (WAN)
The design of computers, devices, and media in a network is categorized as either
client/server or peer-to-peer, What is this categorization
network architecture
Which of the following is a simple, inexpensive network that typically connects fewer than 10
computers?
peer-to-peer network
What is a network standard that specifies no central computer or device on the network should
control when data can be transmitted?
ethernet
Which of the following terms identifies any network based on the 802.11 family of standards?
wifi
Which of the following can detect problems--such as why traffic is flowing slowly--on
networks that use the TCP/IP protocol?
packet sniffer software
What defines how a network uses close-range radio signals to communicate b/w 2 devices or
objects equipped with this technology?
NFC
Which of the following has the fastest transfer rate?
ATM
What kind of devices is any type of hardware capable of transmitting data, instructions, and
info btwn a sending device receiving device?
communications device
Which of the following is a communications device that connects multiple computers together
and transmits data to its correct destination?
router
Which of the following enables a computer or device that does not have built-in networking
capability to access a network?
NIC
The amount of data, instructions, or information that can travel over a communications
channel sometimes is called what?
bandwidth
Which of the following terms is the time it takes a signal to travel from location to another on a
network?
latency
Which of the following is a collection of data organized in a manner that allows access,
retrieval, and use of that data?
database
Which of the following identifies the quality of the data in a database?
data integrity
Which of the following refers to procedures that keep data current?
file maintenance
Which of the following is a request for specific data from a database?
query
Which of the following is a window on the screen that provides areas for entering or changing
data in a database?
form
Each row in a table is referred to as a?
record
A column in a database is called a?
field
In sequence, traditional system development contains five phases, what are they?
planning, analysis, design, implementation, support and security
Which of the following is a measure of how suitable the development of a system will be to an
organization?
feasibility
Which of the following is a special formatting language that programmers use to format
documents for display on the web?
HTML
What is the term for the practice of an organization not using its own IT personnel to develop
custom software?
outsourcing
Which of the following terms is used to describe a working model of the propose system?
prototype
Which of the following characteristics describes a low-level language?
machine language
In an object-oriented programming language, what does an object represent?
a real person, place, event, or transaction
What is an example of a 4GL programming language?
SQL
What is an example of a 4GL programming language?
SQL
In an HTML, how is a tag used?
to specify how a webpage is displayed when viewed on the web
What is an open source framework that provides technologies for developing
object-oriented, database-driven websites?
Ruby on Rails
When working with Access relational databases a line will connect the tables based on a common
item. What is that common item?
primary key field
Primary key fields in tables are....?
unique identifiers, like an account number or ID
In a query design view, what button or option is pressed to "carry out the instructions" or
display the results or records?
run
When you put in a date in the criteria field in Access in the design view, after you press enter,
what symbols will Access add to that date?
#
A DatabaseManagamentSystem is the software that allows you to manipulate a database,
tables, create forms and reports. What is an example?
Access
When working in Access design view and you put in a calculated field, what symbols do you
putaround the numeric field name?
[ ]
2 criteria, one was Yes for one field and the other field you entered in MPT. They were NOT on the
same line, what operator?
or
What common term is used when working with a table and you want to select and display only
selected or specific records?
filter
Which of the following is an earth-based reflective dish that contains the antenna,
receivers, and other stuff necessary for microwave comm.
microwave station
Large network in which it is important to keep a duplicate of the central devices in case the
primary one fails?
star network
Which of the following is not an application of communications satellite technology?
fixed wireless
What is a sending device?
a device that initiates an instruction to transmit data, instructions, or information
Which of the following has a port to which a cable connects in order to coordinate the
transmission and receipt of data, instructions &info
network interface card (NIC)
In what kind of recovery does the DBMS use the log to undo any changes made to a database during a
certain period?
backward
Which of the following consists of rules and standards that define how a database organizes
data?
data model
Which of the following kinds of values is the one that a DBMS initially displays in a field?
default
Which recovery technique is more expensive, but provides recovery of damaged data in a matter
of seconds?
continuous backup
Which of the following is a number(s) or character(s) that is appended to or inserted into a
primary key field?
check digit
You store all of your photographs on a website that uses a database to store the photos users
post. What is this type of database called?
collaborative database
What is the process that large databases use to find patterns and relationships among data?
data mining
Which of the following is a combination of one or more related characters or bytes and is the
smallest unit of data a user accesses?
field
While working with a database, you encounter a wizard. What best describes the purpose of a
wizard?
guides you through the steps of creating a database object
Which of the following is a process designed to ensure the data within the relations (tables)
contains the least amount of duplication?
normalization
Object-oriented and object-relational databases often use a query language to manipulate
and retrieve data. What is the name of this languag
OQL
You instruct the DBMS to use the log to reenter any changes made to the database since the last
save or backup
forward recovery
If you are running a check to ensure that a required field contains data, or the correct minimum
number of characters, what kind of check?
completeness
Which of the following contains a database that helps a group or department make decisions?
data mart
What is the term for the process of comparing data with a set of rules or values to find out if the
data is correct?
validation
The developer of a relational database refers to a field as which of the following?
attribute
Which of the following languages consists of simple, English-like statements that allow
users to specify the data to display, print, store?
query
What does an interpreter do?
reads a code statement, converts it to one or more machine language instructions, and
executes the instructions
Which of the following is a free, open source scripting language?
PHP
What is a source program?
a program that contains the language instructions to be converted to machine language
Which of the following is true of a unit test?
It verifies that each individual program or object works by itself.
Which conversion strategy converts each location to the new system at a separate time?
phased
What is a program that often is bundled with a DBMS that can be used to create source code from a
specification of the required functionalit
application generator
A set of technologies from Microsoft that allows almost any type of program to run on the
Internet or an internal business network?
.NET