COBA CORE IS 3000 TEST EXAM 2025 QUESTIONS AND ANSWERS

COBA CORE IS 3000 TEST EXAM 2025
QUESTIONS AND ANSWERS


1. In a multi-tiered network:
a. the work of the entire network is centralized
b. the work of the entire network is balanced over several levels of servers.
c. processing is split between clients and servers.
d. processing is handled by multiple, geographically remote clients.

e. users interface with the server rather than the client. - ANS *b. the work of the entire
network is balanced over several levels of servers.


2. What is the foundation technology for web services?
a. HTML
b. XML
c. SOAP
d. UDDI

e. Java - ANS *b. XML


3. Which of the following is not a type of input device?
a. Digital scanner
b. Flat panel (LCD) display screen
c. Trackball
d. Keyboard

e. Sensor - ANS *b. Flat panel (LCD) display screen



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,4. Which of the following is an open-source operating system designed for mobile devices?
a. iOS
b. OS X
c. Chrome
d. Android

e. Apache HTTP - ANS *d. Android


5. Which of the following is an example of a legacy system?
a. Transaction processing system running on a mainframe
b. Scalable grid computing system
c. Web services running on a cloud computing platform
d. MDM software

e. Quantum computing system - ANS *a. Transaction processing system running on a
mainframe


6. A client computer networked to a server computer, with processing split between the two
types of machines, is called a(n) ________ architecture.
a. service-oriented
b. on-demand
c. multi tiered client/server
d. two tiered client/server

e. grid - ANS *d. two tiered client/server


7. Which of the following types of computers are used for weather forecasting on a national or
worldwide scale?
a. Mainframe
b. Server
c. Minicomputer
d. Supercomputer

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,e. PC - ANS *d. Supercomputer


8. Which of the following statements about client/server computing is not true?
a. The client provides the user interface.
b. The bulk of processing occurs on the client.
c. Computing on the Internet is based on the client/server model.
d. The client is normally a desktop or laptop computer.

e. The server provides security, remote access, and user authentication. - ANS *b. The bulk
of processing occurs on the client.


9. ________ is an operating system-independent, processor-independent, object-oriented
programming language that has become a leading interactive programming environment for
the web.
a. XML
b. SOA
c. HTML
d. Java

e. COBOL - ANS *d. Java


10. Which of the following types of computers would you use to support a computer network?
a. Server
b. Mainframe
c. Workstation
d. PC

e. Tablet - ANS *a. Server


11. ________ refers to the ability of a system to expand to serve a number of users without
breaking down.
a. Capacity planning
b. Management future planning
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, c. Scalability
d. Guaranteed levels of service

e. Service level agreements - ANS *c. Scalability


12. Which of the following statements is not true about cloud computing?
a. It is the fastest-growing form of computing.
b. It removes the concern about data and systems security for businesses.
c. It allows smaller firms to use resources previously unaffordable.
d. It relies on the Internet as the platform for delivering services to users.

e. Charges for cloud resources are based on resources actually used. - ANS *b. It removes the
concern about data and systems security for businesses.


13. Which of the following is considered to be the fastest-growing form of computing?
a. Wearable computing
b. Green computing
c. Nanocomputing
d. Enterprise computing

e. Cloud Computing - ANS *e. Cloud Computing


14. The toy manufacturer you work for wants to exchange data with a chain of toy stores in
order to improve its distribution and speed to market. The toy stores use different software
than your firm. Which of the following tools or technologies presents the best solution?
a. Mashups
b. Extranet
c. Web Services
d. Cloud computing

e. Intranet - ANS *c. Web Services


15. Software applications that combine different components of online software applications
are referred to as:
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