ISM MIDTERM QUESTIONS AND VERIFIED ACCURATE
ANSWERS
In a(n) _____, records in files are organized and processed in numerical order. -
Answers - sequential access file structure
In comparison with flat file systems, databases: - Answers - minimize data redundancy.
In large organizations, database design and management is handled by a database
_____. - Answers - administrator
Which type of databases is not limited by the data's physical location? - Answers -
distributed
For each database, there: - Answers - is only one physical view of data.
The variety dimension of big data refers to the combination of _____. - Answers -
structured data and unstructured data
In a(n) _____, nodes with the same parents are called twins or siblings. - Answers -
hierarchical model
In a(n) _____ access file structure, records can be accessed in any order, regardless of
their physical locations in storage media. - Answers - random
Business intelligence (BI) uses scorecards and dashboards to support decision-making
activities, whereas business analytics (BA) uses data mining tools and predictive
modeling. - Answers - True
Database marketing works by using multivariate analysis, data segmentation, and
automated tools to transform marketing from a proactive to a reactive process. -
Answers - False
A network model is similar to a hierarchical data model because in both data models
records are organized in the same way. - Answers - False
Disks are sequential access devices, whereas tapes are random access devices. -
Answers - False
A database engine converts logical requests from users into their physical equivalents
by interacting with other components of the database management system (DBMS). -
Answers - True
, Labor and population statistics are examples of sources for internal data that are
accessed by a database. - Answers - False
In contrast to the query languages used to interact with a relational database,
interaction with an object-oriented database takes places via methods, which are called
by sending a message to an object. - Answers - True
The three important aspects of computer and network security, confidentiality, integrity,
and availability, are collectively referred to as the CIA triangle. - Answers - True
When using mirror disks, if one of the two disks containing the same data fails, the other
disk also fails. - Answers - False
Terminal resource security is a software feature that erases the screen and signs a user
off automatically after a specified length of inactivity. - Answers - True
The main drawback of an intrusion detection system (IDS) is its inability to prevent
denial-of-service (DoS) attacks. - Answers - False
If a drive in a redundant array of independent disks (RAID) system fails, data stored on
it can be reconstructed from data stored on the remaining drives. - Answers - True
In some instances, after examining an incoming packet, a firewall can send a message
to the packet's sender that the attempt to transmit the packet has failed. - Answers -
True
Application-filtering firewalls are less expensive than packet-filtering firewalls. - Answers
- False
A level 1 security system is used to protect _____ against unauthorized access. -
Answers - front-end servers
Which security measure uses a physiological element that is unique to a person and
cannot be stolen, lost, copied, or passed on to others? - Answers - A biometric security
measure
In the context of computer and network security, a security system is said to possess
_____ when it does not allow data to be corrupted or allow unauthorized changes to a
corporate database. - Answers - Integrity
A _____ is a type of an intentional computer and network threat. - Answers - backdoor
Which statement is true of symmetric encryption? - Answers - the same key is used to
encrypt and decrypt the message
ANSWERS
In a(n) _____, records in files are organized and processed in numerical order. -
Answers - sequential access file structure
In comparison with flat file systems, databases: - Answers - minimize data redundancy.
In large organizations, database design and management is handled by a database
_____. - Answers - administrator
Which type of databases is not limited by the data's physical location? - Answers -
distributed
For each database, there: - Answers - is only one physical view of data.
The variety dimension of big data refers to the combination of _____. - Answers -
structured data and unstructured data
In a(n) _____, nodes with the same parents are called twins or siblings. - Answers -
hierarchical model
In a(n) _____ access file structure, records can be accessed in any order, regardless of
their physical locations in storage media. - Answers - random
Business intelligence (BI) uses scorecards and dashboards to support decision-making
activities, whereas business analytics (BA) uses data mining tools and predictive
modeling. - Answers - True
Database marketing works by using multivariate analysis, data segmentation, and
automated tools to transform marketing from a proactive to a reactive process. -
Answers - False
A network model is similar to a hierarchical data model because in both data models
records are organized in the same way. - Answers - False
Disks are sequential access devices, whereas tapes are random access devices. -
Answers - False
A database engine converts logical requests from users into their physical equivalents
by interacting with other components of the database management system (DBMS). -
Answers - True
, Labor and population statistics are examples of sources for internal data that are
accessed by a database. - Answers - False
In contrast to the query languages used to interact with a relational database,
interaction with an object-oriented database takes places via methods, which are called
by sending a message to an object. - Answers - True
The three important aspects of computer and network security, confidentiality, integrity,
and availability, are collectively referred to as the CIA triangle. - Answers - True
When using mirror disks, if one of the two disks containing the same data fails, the other
disk also fails. - Answers - False
Terminal resource security is a software feature that erases the screen and signs a user
off automatically after a specified length of inactivity. - Answers - True
The main drawback of an intrusion detection system (IDS) is its inability to prevent
denial-of-service (DoS) attacks. - Answers - False
If a drive in a redundant array of independent disks (RAID) system fails, data stored on
it can be reconstructed from data stored on the remaining drives. - Answers - True
In some instances, after examining an incoming packet, a firewall can send a message
to the packet's sender that the attempt to transmit the packet has failed. - Answers -
True
Application-filtering firewalls are less expensive than packet-filtering firewalls. - Answers
- False
A level 1 security system is used to protect _____ against unauthorized access. -
Answers - front-end servers
Which security measure uses a physiological element that is unique to a person and
cannot be stolen, lost, copied, or passed on to others? - Answers - A biometric security
measure
In the context of computer and network security, a security system is said to possess
_____ when it does not allow data to be corrupted or allow unauthorized changes to a
corporate database. - Answers - Integrity
A _____ is a type of an intentional computer and network threat. - Answers - backdoor
Which statement is true of symmetric encryption? - Answers - the same key is used to
encrypt and decrypt the message
