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Exam (elaborations)

CIS 2010 Final || WITH A+ GRADED SOLUTIONS!!

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  • Course
  • CIS
  • Institution
  • CIS

business rule correct answers defines how a company performs certain aspects of its business and typically results in either a yes/no or true/false answer database correct answers maintains information about various types of objects (inventory), events (transactions), people (employees), and pla...

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  • September 17, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CIS
  • CIS
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CIS 2010 Final || WITH A+ GRADED SOLUTIONS!!
business rule correct answers defines how a company performs certain aspects of its business
and typically results in either a yes/no or true/false answer

database correct answers maintains information about various types of objects (inventory),
events (transactions), people (employees), and places (warehouses)

database management system (DBMS) correct answers creates, reads, updates, and deletes
data in a database while controlling access and security

data dictionary correct answers compiles all of the metadata about the data elements in the
data model

data element correct answers the smallest or basic unit of information(i.e. customer's name,
address, email, discount rate, preferred shipping method, product name, etc.)

data model correct answers logical data structures that detail the relationships among data
elements using graphics or pictures

foreign key correct answers A primary key of one table that appears as an attribute in another
table and acts to provide a logical relationship between the two tables

information integrity correct answers a measure of the quality of information, occurs when a
system produces incorrect, inconsistent, or duplicate data

information redundancy correct answers the duplication of data, or the storage of the same
data in multiple places

integrity constraints correct answers rules that help ensure the quality of information

metadata correct answers details about data

primary key correct answers A field (or group of fields) that uniquely identifies a given entity
in a table

data redundancy correct answers When the same data exists in more than one place in a
database

Structured Query Language (SQL) correct answers users write lines of code to answer
questions against a database

entity correct answers stores information about a person, place, thing, transaction, or event

attribute correct answers a column or specific field of the data elements associated with an
entity

record correct answers a row or a collection of related data elements

, bitcoin correct answers A worldwide cryptocurrency and digital payment system called the
first decentralized digital currency, as the system works without a central repository or single
administrator

blockchain correct answers new way to store and record transaction, blocks are linked
together cryptographically to ensure they are temper-proof

cryptocurrency correct answers A digital asset designed to work as a medium of exchange

decentralization correct answers The process of distributing or dispersing functions, powers,
people or things away from a central location or authority

digital ledger correct answers a bookkeeping list of assets (i.e. money, property, ideas),
identified ownership, and transactions that record the transfer of ownership among
participants, all transactions are recorded with a date, time, participant names and other
information

double-spend correct answers asset transferred more than once

hash correct answers how computer science and advanced mathematics protect the
blockchain's integrity and anonymity, includes digital signatures from the existing blockchain
as well as the new transaction

miners correct answers Transactions are authenticated by a network of these who complete
complex mathematical problems to arrive at the same unique solution to verify the
transaction

peer-to-peer correct answers every user is allowed to connect to the network, send new
transactions to it, verify transactions, and create new blocks

(1) digital ledger
(2) hash/digital signature
(3) miners
(4) decentralized correct answers central components of blockchain

(1) transparency
(2) reduced transaction costs
(3) faster transaction settlement
(4) decentralization
(5) user-controlled networks correct answers advantages of blockchain

(1) Any well-connected node in the Bitcoin blockchain can determine, with certainty,
whether a transaction does or does not exist in the data set
(2) A prohibitively high cost to attempt to rewrite or alter transaction history correct answers
advantages of bitcoin

correct answers characteristics of redundant data

(1) increased flexibility
(2) increased scalability and performance

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