Free MCQs & Online Quiz Practice for Exams

Q: Which layer of the OSI model decides which physical pathway the data should take to reach the destination?

A) Data Link Layer

B) Transport Layer

C) Network Layer

D) Session Layer

Q: Which layer performs security, name recognition, logging, and similar functions?

A) Transport Layer

B) Presentation Layer

C) Network Layer

D) Session Layer

Q: In which topology does each node (computer, server, peripheral, etc.) attach to a common cable?

A) Star

B) Tree

C) Ring

D) Mesh

Q: The frequency range of radio signals is between 3 kHz to 3 GHz.

A) 1

B) 2

C) 3

D) 4

Q: Which of the following is a wireless communication device used to send as well as receive data through radio signals?

A) Sender

B) Transceiver

C) Receiver

D) Infrared

Q: What does WAP stand for?

A) Wireless Access Place

B) Wired Application Protocol

C) Wireless Access Protocol

D) Wireless Access Portion

Q: Which technology uses 802.11 standards developed by the Institute of Electrical and Electronics Engineers (IEEE)?

A) Wi-Fi

B) Bluetooth

C) Infrared

D) Wi-Max

Q: Which of the following is used to provide Internet access and multimedia services at very high speed to end users?

A) Wi-Fi

B) Bluetooth

C) Infrared

D) Wi-Max

Q: Which signals can be used for short-range communication in a closed area using line-of-sight propagation?

A) Wi-Fi

B) Bluetooth

C) Wi-Max

D) Infrared

Q: The GPS system consists of how many satellites?

A) 20

B) 22

C) 24

D) 25

Q: Which GPS segment facilitates tracking of satellites, monitoring transmissions, performing analysis, and sending commands and data to the constellation?

A) User

B) Control

C) Space

D) Air

Q: Which of the following orbits is at a distance of 22,000 miles from the surface of the Earth?

A) Geostationary Earth Orbit

B) Low Earth Orbit

C) Medium Earth Orbit

D) High Earth Orbit

Q: Which is the first markup language standard for wireless devices?

A) HTML

B) WAP

C) HTTP

D) WML

Q: Hierarchical DBMS organizes data elements into

A) Segments

B) Data Compartments

C) Data Units

D) Objects

Q: Which is a database model in which information is represented in the form of objects?

A) Network Database Model

B) Relational Database Model

C) Object-Oriented Database Model

D) Hierarchical Database Model

Q: Who is the person who has central control over data and programs in a database system?

A) DBA

B) Designer

C) System Analyst

D) Programmer

Q: In relational terminology, an attribute is also called

A) A Record

B) An Entity

C) A Field

D) A Table

Q: A row in a table is also known as

A) Column

B) Relation

C) Tuple

D) Field

Q: _____ is a set of rules or specifications which state how data can be stored, organized, and manipulated in a database system.

A) Database Model

B) Database Design

C) Database Architecture

D) Database Structure

Q: Which of the following database models uses a collection of tables to represent both data and the relationships among those data?

A) Network Database Model

B) Relational Database Model

C) Object-Oriented Database Model

D) Hierarchical Database Model