A supermarket chain has stores in several countries. Each store has its own network.
Identify the type of network that connects the stores in the different countries.
Mark scheme
- C WAN (1)
- The only correct answer is C. The correct answer is WAN, which connects networks over a large geographical area.
- A is not correct because a LAN covers a limited area such as one building or site
- B is not correct because a PAN connects devices around one person
- D is not correct because a WLAN is a LAN that uses wireless connections and is still local
Example answers and how they were marked
Full marks1/1
C WAN
Why: Correct option: a WAN connects networks over a large geographical area (1).
No marks0/1
A LAN
Why: Distractor, not a partial-credit answer: each store may have its own LAN, but the network linking stores in different countries is a WAN (0).
No marks0/1
D WLAN
Why: A WLAN is still a local-area network that uses wireless connections and cannot connect stores in different countries (0).