(Tests) with verified answers
UNIT 2
Media Access Control address (MAC) - correct answer ✔✔UNIT 2
Each computer attached to the internet or a corporate network is uniquely identified so that it
can be sent the information directed to it.
What is this unique identifier known as?
Business and leadership experience - correct answer ✔✔What is the most important
qualification that a Chief Information Officer (CIO) must possess?
Information security analyst - correct answer ✔✔A company has recently discovered that
unauthorized users have accessed data on the company intranet.
Which IT professional should investigate this concern?
The same graphical user interface - correct answer ✔✔What do all the applications in a
productivity software suite have in common?
To direct data to the intended target location. - correct answer ✔✔What is the purpose of a
network switch?
, Network Administrator - correct answer ✔✔Policies must be enacted and enforced to protect
corporate assets. These policies include strong passwords, safe web browsing protocols, firewall
implementations, and malware protection.
Who is the IT professional responsible for enacting these policies?
Mainframes - correct answer ✔✔What is the term used to refer to a massive, room-sized
computer that processes and stores enormous amounts of bulk data and information?
Star - correct answer ✔✔In which network topology is each client computer connected directly
to the hub?
Clients - correct answer ✔✔What is the term used to refer to end-user computers on a
network?
IT Manager - correct answer ✔✔A company is planning several IT projects including a major
software development project. The software development project will be organized using the
software development life cycle (SDLC) methodology.
Which IT professional should be called upon to create a detailed project plan for this effort?
UNIT 3
Velocity - correct answer ✔✔UNIT 3
A data analyst is working with a very large set of data and trying to calculate the amount of data
processing that needs to be completed each week.
Which attribute of big data is this analyst addressing?