Question: Which of the following is a characteristic of in-house hosting? (select all that apply)

Answer Options:

Industry-wide economies of scale
In-depth visibility of disaster preparedness
Cost uncertainties
Small capital requirements

Answer: In-depth visibility of disaster preparedness Cost uncertainties

 

Question: Which of the following factors makes cloud-based hosting advantageous today?

Answer Options:

Expensive processors
Advent of private IP addressing
Expensive data storage
Advent of virtualization

Answer: Advent of virtualization

 

Question: The number that identifies a particular device on the Internet is referred to as a(n):

Answer Options:

Domain identifier
IP address
Device serial number
Packet identifier

Answer: IP address

 

Question: Which of the following features distinguishes a LAN from a WAN? (select all that apply)

Answer Options:

WAN has a limit on the number of users
WAN has relatively higher bandwidth
LAN has stringent hardware requirements
LAN connects computers in a single location

Answer: WAN has relatively higher bandwidth LAN connects computers in a single location

 

Question: Which of the following is true about a VPN?

Answer Options:

A VPN client software encrypts messages to ensure secure transmissions.
A VPN network does not provide users with remote access.
A VPN connection utilizes private networks instead of the public network.
A VPN connection appears as a secure connection, though it is not.

Answer: A VPN client software encrypts messages to ensure secure transmissions.

 

Question: In cloud computing, resources are said to be “pooled” because organizations:

Answer Options:

Share the same physical hardware through virtualization.
Use open source standards that enable users to modify a program’s source code.
Offer their services to each other free of charge, in a give-and-take arrangement.

Answer: Share the same physical hardware through virtualization.

 

Question: What is the deadline policy for this course?

Answer: Everything is uploaded from the start but do not fall behind. There is assignments due each week.

 

Question: The course contains mini-cases that are meant to prepare you for the deliverables as they show you in detail how to implement a requirement. The deliverables, on the other hand, only list the requirements. However, they also contain links to detailed instructions. What happens when you access the instructions?

Answer: When you access the instructions, there is also an area where you can upload your files.

 

Question: If a deliverable or any other assignment receives full points, then I do not have to read the feedback the instructor left me.

Answer Options:

True
False

Answer: False

 

Question: What is the easiest way to contact the instructor in this course?

Answer Options:

Go to his office during his office hours.
Send him an email on his personal email account.
Send him an email in Canvas.
Text him.

Answer: Send him an email in Canvas.

 

Question: The course requires you to submit a reflective essay. What is the primary reason the instructor included this assignment?

Answer Options:

It is important that you have as much practice as possible in writing.
The instructor likes busy work.
Research indicates that reflection on the learning process leads to better learning in adult learners.
All of the above.

Answer: Research indicates that reflection on the learning process leads to better learning in adult learners.

 

Question: Which of the following can you NOT expect to see in a module introduction?

Answer Options:

Introduction
Module Learning Outcomes
Activities
Rubrics

Answer: Rubrics

 

Question: Which of the following is categorized as a nonroutine cognitive skill?

Answer Options:

Computer programming
Marketing knowledge
Tax accounting
Systems thinking

Answer: Systems thinking

 

Question: Which of the following statements is true of good information?

Answer Options:

Good information should be based on correct and complete data.
Information should be relevant to the subject, not necessarily to the context.
Good information should be accessible and easy to understand.
Good information should go well beyond the scope of the purpose for which it is generated.

Answer: Good information should be based on correct and complete data.

 

Question: A retail company hired a contractor to develop and implement proprietary software that tracks inventory, restocking, and supplier information. Which of the following actions will be most difficult to perform when implementing this new information system?

Answer Options:

Upgrading the computer systems used by the retail chain
Training the employees to use and manage the new system
Changing the structure of existing databases that reflect supplier and customer data
Writing the programs to create the software

Answer: Changing the structure of existing databases that reflect supplier and customer data

 

Question: In the context of Big Data, _____ refers to the trustworthiness of a set of data.

Answer Options:

value
variability
veracity
viability

Answer: veracity

 

Question: By default, Hadoop uses a replication factor of _____.

Answer Options:

one
two
three
four

Answer: three

 

Question: Which of the following is NOT a key assumption of the Hadoop Distributed File System?

Answer Options:

High volume
Write many, read-once
Streaming access
Fault tolerance

Answer: Streaming access