What is the Network Layer of the OSI reference model primarily responsible for?

A.
SMTP Gateway services

B.
LAN bridging

C.
Internetwork packet routing

D.
Signal regeneration and repeating

Explanation:
Although many routers can perform most of the functions above, the OSI Network layer is primarily
responsible for routing. * LAN bridging, is a Data Link Layer function. * gateways, most commonly
function at the higher layers. * signal regeneration and repeating, is primarily a Physical layer
function. Source: CCNA Study Guide by Todd Lammle, Donald Porter, and James Chellis (Sybex,
1999).