What information does a router use when selecting a route for a packet?

1−$1-$The host part of the source IP address.

2−$2-$The network part of the source IP address.

3−$3-$ The host part of the destination IP address.

4−$4-$The network part of the destination IP address.

5−$5-$ The source MAC address.$$

6−$6-$The destination MAC address.$$