For each item below, assign a layer from the five$-$layer Internet Model that the item primarily operates at$.[$You are not required to use every layer shown and you will need to use some layers more often than others$]$

$-$

Switch

$-$

X$\mathrm{.}25$ Packet Layer

$-$

TCP

$-$

ICMP

$-$

UDP

$-$

Repeater

$-$

AMI Line Code

$-$

SLIP

A$.$

Layer $1$

B$.$

Layer $2$

C$.$

Layer $3$

D$.$

Layer $4$

E$.$

Layer $5$