(Wireless LAN)
Identify and briefly explain any four key requirements that need to be examined when considering deploying a WLAN technology. [300words]
(Wide Area Networks)
Explain the flaw in the following reasoning: Packet switching requires control and address bits to be added to each packet. This introduces considerable overhead in packet switching. In circuit switching, a transparent circuit is established. No extra bits are needed. Therefore, there is no overhead in circuit switching. (100words)