Y12 IPT 9.3.2 Quiz

Which of the following is NOT one of the three large wide area networks used to transmit data within communication systems?

• Internet

• Public switched telephone network (PSTN)

• Local area network (LAN)

• Intranets and extranets

What is the Internet based on?

• Circuit switching

• Packet switching

• Message switching

• Frequency switching

Why is the Internet considered "connectionless"?

• Because it maintains an individual circuit between participants

• Because it uses leased high-speed lines

• Because there is no connection maintained between sender and receiver

• Because it uses synchronous connections

What is a significant issue when a synchronous connection is required on the Internet?

• Out of sequence datagrams

• High-speed data transfer

• Leased lines

• Real-time conversation

What does the PSTN network carry?

• Internet data packets

• Traditional telephone calls

• Video conferencing data

• Email messages

How does the PSTN differ from the Internet?

• It uses packet switching

• It is connectionless

• It maintains an individual circuit between participants

• It uses IP datagrams

What is an intranet?

• A public network based on the Internet Protocol

• A private network maintained by a company or government organization

• A network that carries traditional telephone calls

• A network that uses synchronous connections

What is the purpose of extranets?

• To connect local area networks (LANs)

• To allow access to customers and other users outside of the organization

• To carry traditional telephone calls

• To maintain individual circuits between participants

What is teleconferencing?

• A single-location, single-person conference

• A multi-location, multi-person conference where data is communicated in real time

• A traditional telephone call system

• A private network maintained by a company

Which of the following is an example of a teleconferencing system?

• Business meeting system, sharing audio over the PSTN

• Traditional telephone call system

• Local area network (LAN)

• Email communication system