Question

question 19 1 pts the network layer adds _ addresses. street mac port ip question 20 1 pts the data link layer adds _ addresses. mac street ip port

Explanation:

In networking, the Network layer (Layer 3) of the OSI model or Internet layer in the TCP - IP model is responsible for adding IP addresses for routing between different networks. The Data Link layer (Layer 2) adds MAC (Media Access Control) addresses which are used for communication within a local network.

Answer:

Question 19: D. IP
Question 20: A. MAC