Mock Quiz Hub

Time: 00:00

Quiz

Navigate through questions using the controls below

Question 1 of 60 Quiz ID: q1

Which of the following is NOT mentioned as a primary category of telecommunications?

Voice (Telephony)

Video

Data

Holographic communication

Question 2 of 60 Quiz ID: q2

What are the main components of the telephone network according to the lecture?

Access Network, Switching and Signalling, Transmission

Routers, Modems, Cables

Servers, Clients, Protocols

Hardware, Software, Network

Question 3 of 60 Quiz ID: q3

According to the lecture, what is described as 'the biggest investment in a telecommunication network'?

Switching equipment

The Access Network

Transmission lines

Signalling systems

Question 4 of 60 Quiz ID: q4

Which access technology uses copper wire pairs optimized to carry voice in analog form?

Wireless Local Loops (WLL)

Digital Subscriber Loops (DSL)

Local Loop (wired)

Fiber to the x (FTTx)

Question 5 of 60 Quiz ID: q5

What does WLL stand for in telecommunications?

Wide Local Loop

Wireless Local Loops

Wired Line Link

Wide Line Loop

Question 6 of 60 Quiz ID: q6

Which access technology is described as modifying copper local loops to carry both data and voice?

Local Loop

Wireless Local Loops

Digital Subscriber Loops (DSL)

Fiber to the x

Question 7 of 60 Quiz ID: q7

In FTTx technology, what does the 'x' represent?

The transmission speed

The fiber type

The location (curb, business, home)

The cable length

Question 8 of 60 Quiz ID: q8

What is the primary function of switching in the telephone network?

Signal amplification

Connects subscribers to each other on demand

Data encryption

Network monitoring

Question 9 of 60 Quiz ID: q9

Which of the following is NOT mentioned as a type of switching technology?

Manual operators

Electromechanical switches

Software-controlled switches

Quantum switches

Question 10 of 60 Quiz ID: q10

What is the primary purpose of transmission in the telephone network?

Signal processing

Transportation of signals between subscribers or networks

Call routing

Billing management

Question 11 of 60 Quiz ID: q11

Which transmission media carries 'thousands of multiplexed calls between exchanges'?

Single copper wires

High capacity copper cables, microwave links, optical fibers

Wireless signals only

Satellite links only

Question 12 of 60 Quiz ID: q12

Which of the following is NOT listed as a function of signalling?

Call connection

Call disconnection

Billing

Data encryption

Question 13 of 60 Quiz ID: q13

What is an example of subscriber loop signalling mentioned in the lecture?

Network routing protocols

Dial tone, dial-digits, ringing signals

Error correction codes

Authentication tokens

Question 14 of 60 Quiz ID: q14

In the telephone numbering system example, what is the country code for Sri Lanka?

650301

Question 15 of 60 Quiz ID: q15

What is the maximum character limit for SMS messages according to the lecture?

140 characters

160 characters

180 characters

200 characters

Question 16 of 60 Quiz ID: q16

SMS is described as part of which technology?

GSM only

CDMA only

Integrated Digital Subscriber Line (ISDN)

VoIP systems

Question 17 of 60 Quiz ID: q17

What type of service model does SMS use?

Real-time communication

Store and Forward Service

Peer-to-peer messaging

Broadcast only

Question 18 of 60 Quiz ID: q18

What does CLI stand for in enhanced telephone services?

Call Line Interface

Calling Line ID

Central Line Identifier

Customer Line Information

Question 19 of 60 Quiz ID: q19

Which of the following is NOT mentioned as an enhanced telephone service?

Conference Calls

Call Forwarding

Voice Mail

Video streaming

Question 20 of 60 Quiz ID: q20

For mobile phones, which method is NOT mentioned for location identification in Location Based Services?

Cell ID

GPS

Triangulation

Bluetooth beacons

Question 21 of 60 Quiz ID: q21

What is another name for Voice over IP (VoIP)?

Digital telephony

Internet Telephony

Packet telephony

Network calling

Question 22 of 60 Quiz ID: q22

VoIP uses which type of networks for voice communications?

Circuit-switched networks only

Packet-switched data networks

Analog networks only

Satellite networks only

Question 23 of 60 Quiz ID: q23

Which of the following is NOT mentioned as a network type that VoIP can use?

Ethernet

WiFi

3G/4G

Morse code

Question 24 of 60 Quiz ID: q24

According to the lecture, why is VoIP advantageous economically?

It requires specialized hardware

Companies already have data networks, so no additional network needed for voice

It only works with expensive equipment

It requires separate infrastructure

Question 25 of 60 Quiz ID: q25

In the VoIP process, what converts voice to digital form?

Decoder

Encoder (codec)

Router

Gateway

Question 26 of 60 Quiz ID: q26

Which of the following is mentioned as an advantage of VoIP?

Lower latency than traditional telephony

No packet losses

Support for advanced features like video and conferencing

Guaranteed voice quality

Question 27 of 60 Quiz ID: q27

Which of the following is listed as a disadvantage of VoIP?

Requires separate networks

Higher latency (delay)

Cannot integrate with computers

Limited to voice only

Question 28 of 60 Quiz ID: q28

According to the lecture, what is a key concept characteristic of multimedia?

Analog format

Digital format

Text-only format

Audio-only format

Question 29 of 60 Quiz ID: q29

What is multimedia defined as in the lecture?

Only video and audio content

An integration of text, graphics, still and moving images, animation, sounds, or any others

Digital photographs only

Computer games only

Question 30 of 60 Quiz ID: q30

Which type of media is described as 'information captured from the real world'?

Synthesized media

Captured media (natural)

Discrete media

Continuous media

Question 31 of 60 Quiz ID: q31

What type of media is text classified as according to the lecture?

Captured and Continuous

Captured and Discrete

Synthesized and Discrete

Synthesized and Continuous

Question 32 of 60 Quiz ID: q32

Which media type has 'no time component' according to the classification?

Continuous media

Discrete media

Captured media

Synthesized media

Question 33 of 60 Quiz ID: q33

What is the difference between plain text and rich text?

Plain text is digital, rich text is analog

Plain text is unformatted with same style, rich text is formatted with various styles

Plain text is compressed, rich text is uncompressed

Plain text is encrypted, rich text is unencrypted

Question 34 of 60 Quiz ID: q34

What character encoding standards are mentioned for plain text?

HTML and XML

ASCII code and Unicode

JPEG and PNG

MP3 and WAV

Question 35 of 60 Quiz ID: q35

What distinguishes graphics from images according to the lecture?

Graphics are always colored, images are black and white

Graphics retain structural information and consist of objects like lines and curves, images are 2D matrices of pixels

Graphics are larger files, images are smaller

Graphics are static, images are dynamic

Question 36 of 60 Quiz ID: q36

What is a pixel according to the lecture?

A type of image format

The smallest element of resolution of the image

A graphics editing tool

A color measurement unit

Question 37 of 60 Quiz ID: q37

What does 'pixel depth' refer to?

The physical size of the pixel

The number of bits per pixel

The color intensity of the pixel

The location of the pixel

Question 38 of 60 Quiz ID: q38

According to the examples given, what is the pixel depth for a color image?

1 bit

8 bits

24 bits

32 bits

Question 39 of 60 Quiz ID: q39

What is the pixel depth for a binary image?

1 bit

8 bits

16 bits

24 bits

Question 40 of 60 Quiz ID: q40

What is each individual image in a video sequence called?

Pixel

Frame

Segment

Layer

Question 41 of 60 Quiz ID: q41

What does 'frame rate' measure in video?

The size of each frame

The quality of the video

The speed to playback the video (frames per second)

The compression ratio

Question 42 of 60 Quiz ID: q42

How does animation differ from video according to the lecture?

Animation is always in color, video is black and white

Animation is moving graphics generated by computer, video is moving images

Animation is shorter than video

Animation requires more storage space

Question 43 of 60 Quiz ID: q43

What are the two main categories of sound mentioned?

Digital and analog

Natural sound and Structured sound

High quality and low quality

Mono and stereo

Question 44 of 60 Quiz ID: q44

Which file format is given as an example of structured sound?

WAV files

Audio in CD

MIDI file

MP3 files

Question 45 of 60 Quiz ID: q45

Sound is described as what type of signal?

2-D spatial signal

1-D time-based signal

3-D volumetric signal

Static signal

Question 46 of 60 Quiz ID: q46

Which of the following is NOT mentioned as a class of multimedia applications?

Streaming stored audio and video

Streaming live audio and video

Real-time interactive audio and video

Batch processing multimedia

Question 47 of 60 Quiz ID: q47

What is given as an example of streaming stored multimedia?

Internet radio talk show

YouTube

IP telephony

Live sporting event

Question 48 of 60 Quiz ID: q48

Which feature is possible with streaming stored multimedia but NOT with streaming live multimedia?

Pause

Rewind

Fast forward

All of the above

Question 49 of 60 Quiz ID: q49

What is an example of streaming live multimedia mentioned in the lecture?

YouTube videos

Internet radio talk show

Video conference

Downloaded movies

Question 50 of 60 Quiz ID: q50

Which applications are examples of Interactive, Real-Time Multimedia?

YouTube and Netflix

Internet radio and live TV

IP telephony, video conference, distributed interactive worlds

Email and file transfer

Question 51 of 60 Quiz ID: q51

What are examples of real-time interactive multimedia applications mentioned?

Facebook and Instagram

Zoom, Viber call

Gmail and Yahoo mail

Chrome and Firefox

Question 52 of 60 Quiz ID: q52

For interactive real-time multimedia, what is the acceptable end-to-end delay for audio marked as 'good'?

< 50 msec

< 150 msec

< 400 msec

< 1000 msec

Question 53 of 60 Quiz ID: q53

What happens with higher delays in interactive real-time multimedia?

Better quality is achieved

No noticeable effect

They are noticeable and impair interactivity

Automatic compensation occurs

Question 54 of 60 Quiz ID: q54

In streaming live multimedia, how much can playback lag behind transmission?

Less than 1 second

A few seconds

Tens of seconds

Several minutes

Question 55 of 60 Quiz ID: q55

What is the timing constraint for streaming stored multimedia?

No timing constraints

Real-time delivery required

In time for playout

Immediate delivery required

Question 56 of 60 Quiz ID: q56

Which of the following controls is mentioned as available for streaming stored multimedia?

Volume control only

Play and stop only

Pause, rewind, FF, push slider bar

Speed adjustment only

Question 57 of 60 Quiz ID: q57

What is required for streaming live multimedia that helps with timing?

High-speed internet only

Playback buffer

Special hardware

Dedicated servers

Question 58 of 60 Quiz ID: q58

According to the telephone numbering system example, what is the area code?

650301

Question 59 of 60 Quiz ID: q59

What is the emergency services number mentioned as an example of location-based services?

911

999

119

112

Question 60 of 60 Quiz ID: q60

Which of the following best describes the main advantage of using existing data networks for VoIP?

Better voice quality than traditional telephony

No need for additional network infrastructure, making it cheaper

Unlimited calling capacity

Faster connection setup

Quiz Summary

Review your answers before submitting

Total Questions

Answered

Remaining

00:00

Time Spent

Quiz

Quiz Summary

Confirm Submission