Fill in the correct answer

1. The group of routers that are under the same administrative control is called a(n) _______

2. The number of possible hosts in the subnet who subnet mask is 136.76.29.0/222 is ______

3. ______ is the mechanism where an IPv6 pack is sent over an IPv4 nework of routers and links.

4. Most of the link layer is implemented in a ______

5. ______ refers to the ability of the receiver to both detect and correct errors