Choose the correct answer:$(20$ points$)$

a$)$ Any link's transmission rate is also known as: $(7$ points$)$

i$.$ link capacity

ii$.$ link bandwidth

iii. both i & ii

b$)$ Non$-$persistent HTTP requires: $(7$ points$)$

i$.2$ RTTs per object

ii$.1$ RTT per object

iii. RTT differs depending on the application

c$)$ Upper Layer Parts of the Link Layer $($e$.$g$.,$ Demultiplexing up$,$ Interrupts$)$ is usually handled by: $(6$ points$)$

i$.$ CPU

ii$.$ MAC

iii. Software in the host$$s OS$.$