Unit 10 - Packet Switching

In which switching method can packets be routed around  congestion?

• Packet switching
• Circuit switching
• Public switched networks
• frame switching 

Which switching method offers a a dedicated transmission channel? 

• Packet switching
• Circuit switching 
• Virtual-circuit packet switching:
• Datagram packet switching:

Which of these is NOT part of the header?

• Packet Number

• Sender IP Address

• Receiver IP Address

• Name of File

The components of a packet are...

• Header, Payload, Trailer

• Head, Middle, End

• Header, data, Trailer

• Head, data, Tail

What's the primary purpose of a router?

• Deliver packets to PC's on local segments.

• It controls the data flow of Layer 2 addresses.

• It provides Layer 2 address data segmentation.

• Deliver packets to different networks using the best available path.

What is the role of a Gateway?

• Operates between two networks using the same protocols.

• Encrypts data

• Connects two networks using different protocols

• Provides security to a network

In packet switching each packet will follow the same route

• True

• False

Which of these is NOT correct of packet switching?

• Messages cannot be easily intercepted

• Establishes a route on which to send data packets

• Packets need to be re-ordered

• Maximises the use of the network

A router reads the ….

• IP address

• MAC address

A network that covers large geographical areas is called ...

• local area network.

• intranet

• peer-to-peer network.

• wide area network.