Question 1

The 3 V's of big data refer to volume, velocity, and ______________.

Accepted Answer

The 3 V's of big data are volume, velocity, and variety, which describe the scale of the data, the speed at which it is collected and processed, and the range of data types and sources, respectively.

Question 2

Approximately, how many air passengers per day does the TSA screen?

Accepted Answer

The Transportation Security Administration (TSA) screens approximately 2,000,000 air passengers per day.

Question 3

_________ assessment is a process to identify potential threats or hazards and analyze what could happen if a threat or hazard occurs.

Accepted Answer

Risk assessment is the process used to identify potential threats or hazards and analyze the outcomes if those threats or hazards were to occur.

Question 4

What permits government employees and contractors to review classified information?

Accepted Answer

Security clearances are required for government employees and contractors to access classified information, ensuring they have been vetted and deemed trustworthy to handle sensitive material.

Question 5

Which system developed in 1994 allowed Border Patrol agents to identify illegal border crossers using biometric information.

Accepted Answer

The Automated Biometric Identification System (IDENT) was developed in 1994 to help Border Patrol agents identify illegal border crossers using biometric information, such as fingerprints.

Question 6

Which of the following terms describes a compilation of individuals or entities that have been deemed to pose a threat based upon the analysis of derogatory information?

Accepted Answer

A watchlist is a compilation of individuals or entities that are deemed to pose a threat based on the analysis of derogatory information. It is used in security and intelligence contexts to monitor and manage potential risks.

Question 7

Which of the following terms describes any information that permits the identity of an individual to be directly or indirectly inferred, including any other information that is linked or linkable to that individual?

Accepted Answer

Personally Identifiable Information (PII) is the term that describes any information that can be used on its own or with other information to identify, contact, or locate a single person, or to identify an individual in context. This includes direct identifiers like name and social security number, and indirect identifiers when combined can lead to identification of an individual.

Question 8

The fifteenth century saw the development of data storage on magnetic tape and the invention of early computers

Accepted Answer

The fifteenth century did not see the development of data storage on magnetic tape or the invention of early computers; these technologies were developed in the 20th century.

Question 9

Big data is revolutionizing medicine and the ability to diagnose and treat patients.

Accepted Answer

Big data is indeed revolutionizing medicine by enabling more precise and efficient diagnoses, personalized treatment plans, and predictive analytics for better patient outcomes.

Question 10

Risk segmentation involves the separation of low-risk cargo or people from high risk, or unknown, cargo or people.

Accepted Answer

Risk segmentation is a security and management strategy used to differentiate and manage cargo or people based on their associated risk levels, effectively separating those considered low risk from those deemed high risk or of unknown risk.

Question 11

A watchlist is compilation of individuals or entities that have been deemed to pose a threat based upon the analysis of derogatory information.

Accepted Answer

A watchlist is indeed a compilation of individuals or entities that are considered to pose a potential threat, based on the analysis of derogatory information about their activities or associations.

Question 12

The use of IDENT and the CDS exemplify how big data and risk assessment can be used to inform homeland security decision-making.

Accepted Answer

IDENT and the CDS (Customs and Border Protection’s Automated Biometric Identification System and the Automated Targeting System, respectively) utilize big data analytics and risk assessment methodologies to enhance homeland security by identifying potential threats and making informed decisions on border security and customs enforcement.

Question 13

The industrial and economic boom that occurred during the mid-twentieth century saw the emergence of business intelligence, data centers, and the more direct ancestors of today's computers.

Accepted Answer

The mid-twentieth century, particularly during and after World War II, saw significant advancements in computing and data processing technologies. This period marked the emergence of early computers, data centers, and the foundational concepts of business intelligence as efforts increased to manage and analyze the rapidly growing volumes of data for military, scientific, and business purposes.

Question 14

Describe a historical period in which humans used and managed knowledge before the use of computers.

Accepted Answer

The answer of Describe a historical period in which humans...

Question 15

Explain why information sharing was problematic in the pre-9/11 era.

Accepted Answer

The answer of Explain why information sharing was problematic in...

Question 16

Which agencies are provided with information available in the Terrorist Screening Database (TSDB)?

Accepted Answer

The answer of Which agencies are provided with information available...

Question 17

Identify some potential flaws in the Secure Flight program.

Accepted Answer

The answer of Identify some potential flaws in the Secure...

Question 18

Explain how homeland security programs now rely on the use of "big data".

Accepted Answer

The answer of Explain how homeland security programs now rely...

Question 19

Discuss how national preparedness and resilience rely on big data.

Accepted Answer

The answer of Discuss how national preparedness and resilience rely...

Quiz 4: Toward a Smarter Defense: Big Data and Risk Assessments in Homeland Security