Data Communications Quiz

What are the five components of a telecommunications system?

• Sender, Channel & Media, Hardware, Software, Receiver

• Sender, Channel, Hardware, Software, Network

• Sender, Media, Hardware, Software, Receiver

• Sender, Channel, Hardware, Software, Output Devices

What is the capacity of a telecommunication channel depending on?

• Transmission Speed

• Transmission Mode

• Transmission Direction

• Bandwidth

What are the two types of transmission modes?

• Synchronous and Asynchronous

• Simplex and Half duplex

• Full duplex and Half duplex

• Synchronous and Simplex

What are the three types of transmission directions?

• Simplex, Half duplex, Full duplex

• Synchronous, Asynchronous, Simplex

• Bounded, Unbounded, Simplex

• Half duplex, Full duplex, Bounded

What is a PBX?

• A telephone system within an enterprise

• A type of modem

• A network control software

• A type of LAN

What does ISDN stand for?

• Integrated Services Digital Network

• Internet Services Digital Network

• International Services Digital Network

• Integrated System Digital Network

What is the basic building block of ISDN?

• 64 kbps channel

• 128 kbps channel

• 32 kbps channel

• 256 kbps channel

What is a local area network (LAN)?

• A group of computers sharing a common line

• A type of wide area network

• A network that connects multiple cities

• A network that is only wireless

What is a collection of computers and network resources connected via a network over a geographic area?

• Local Area Network (LAN)

• Wide Area Network (WAN)

• Metropolitan Area Network (MAN)

• Value Added Network (VAN)

What are the public data networks that add value to the basic communication services provided by common carriers?

• Wide Area Networks (WANs)

• Local Area Networks (LANs)

• Value Added Networks (VANs)

• Distributed Systems