Week 3: Session 5: Dynamic configuration

Question 1

Dynamic Host Configuration Protocol (DHCP)

Answer 1

A protocol used to dynamically assign TCP/IP configuration information to hosts on a network. DHCP can assign an IP address, subnet mask, default gateway and other details to a host when it joins the network.

Question 2

lease

Answer 2

The period for which an IP address assigned by DHCP remains valid (unless it is renewed).

Question 3

network address translation (NAT)

Answer 3

A system used to systematically change IP address information in network packets as they leave or enter a network. It is often used to give hosts in a private network access to the internet.