3g Wireless Communication ***

Question 0

Describe three possible limitations of wireless networking for the wedding outfitter. (6 marks)

Answer 0

 distance from base station (1) can reduce signal reception (1)
 multiple tranceivers needed (1) to avoid blackspots in
coverage (1)/ to maintain coverage as signal passes through
walls and floors (1)
 network available outside the building (1) additional
security/encryption required for internal traffic (1) potential for
hackers to intercept data (1)
 clients’ details accessible (1) non-compliance with DPA (1)
 concurrent downloads by multiple users (1) reduces
bandwidth capacity (1)
 coverage must be carefully planned (1) as each transceiver
requires different frequency (1)
 requires additional hardware (1) raising cost of installation (1)
 other electronic equipment (1) can interfere with signal
transmission (1)
[6]

Question 1

Describe three disadvantages of using wireless communication in the home. (6 marks)

Answer 1

 obstructions (1) such as furniture, floors, walls (1) can reduce signal strength (1)
 other electronic equipment (1) can interfere with signal transmission (1)
 each wireless router needs to operate on a different frequency (1) to avoid interference (1)
 signals can be picked up from outside the home (1) leading to issues of security (1)
 distance from base station (1) can reduce signal reception (1)
 concurrent downloads by multiple users (1) reduces bandwidth capacity (1)

Question 2

Describe three possible limitations of wireless networking for Awburn House Surgery. (6 marks)

Answer 2

 signal reception can be affected (1) by obstructions such as furniture, floors, walls/distance (1)
 multiple transceivers needed (1) to avoid black spots in coverage /to maintain coverage as signal passes through walls and floors (1)
 network available outside the building (1) additional security/encryption required for internal traffic/potential for hackers to intercept data (1)
 clients’ details accessible (1) non-compliance with DPA (1)
 concurrent downloads by multiple users (1) reduces bandwidth capacity (1)
 coverage must be carefully planned (1) as each transceiver requires different
frequency (1)
 requires additional hardware (1) raising cost of installation (1)
 other electronic equipment (1) can interfere with signal transmission (1).