Which one of the following statements is FALSE?

Correct answer: Packet switching results in less variation in delay than circuit switching.

• Packet switching leads to better utilization of bandwidth resources than circuit switching. True — statistical multiplexing lets links be shared dynamically rather than reserving capacity for each call.

• Packet switching results in less variation in delay than circuit switching. False — packet switching introduces variable queuing and routing delays (jitter). Circuit switching reserves a path and resources, so delay is more predictable after the circuit is established.

• Packet switching requires more per packet processing than circuit switching. True — each packet needs headers, routing lookups, error checks and possibly fragmentation/reassembly.

• Packet switching can lead to reordering unlike in circuit switching. True — different paths or varying queues can cause packets to arrive out of order; a fixed circuit preserves order.

Summary: The false statement is the claim that packet switching results in less variation in delay than circuit switching, because packet networks introduce variable queuing and routing delays while circuits provide a reserved path with more predictable latency.