ISC Exam Questions

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

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).