Fundamentals of Communications Quiz

What is telecommunication?

• Communication only through letters

• Communication without devices

• Communication at a distance

• Communication in a small area

What does data communications involve?

• Exchange of letters

• Exchange of data between two devices

• Exchange of phone calls

• Exchange of videos

What is one of the four fundamentals of effective communication?

• Delivery

• Color

• Size

• Speed

What does 'jitter' refer to?

• Speed of data transfer

• Variation in packet arrival time

• Type of network

• Size of data packets

What is a network?

• A communication device

• A single computer

• A type of software

• Interconnection of devices capable of communication

What is a router?

• A communication medium

• A type of computer

• A connecting device

• A type of software

What does the OSI model help with?

• Understanding networking

• Writing letters

• Making phone calls

• Creating new devices

What is the purpose of protocol layering?

• To divide complex tasks into simpler tasks

• To make tasks harder

• To combine tasks into one

• To ignore tasks

What does the session layer do?

• Creates networks

• Stores data

• Sends emails

• Controls the dialogue between systems

What is a Wide Area Network (WAN)?

• A type of software

• A network for small devices

• A single computer

• A network that covers a large area