Answer it
Static or dynamic routing when a link fails
5 marksYou mark it yourself against the marking points
A school network has four routers. R1 connects to R2 and to R3, and both R2 and R3 connect to R4. Packets from R1 to R4 normally go through R2. One morning the cable between R2 and R4 is cut.
R2
/ \
R1 R4
\ /
R3
(a) Describe what happens to packets from R1 to R4 if the routers use static routing. [2]
(b) Describe what happens to the same packets if the routers use dynamic routing. [2]
(c) State one reason a network manager might still choose static routing for a small network. [1]
[5]