Q&A
| Q. | How does a DHCP client communicate with a DHCP server when it is first started? |
| A. | By broadcasting and receiving broadcasted datagrams. |
| Q. | What is required to enable a DHCP client on one network to lease an IP address from a DHCP server on another network? |
| A. | A DHCP relay agent. |
| Q. | Can a router be a relay agent? Can any router be a relay agent? |
| A. | Yes. A router can be a relay agent. No. Not all routers can be relay agents, only routers that are RFC 1542-compliant. |
| Q. | How does NAT improve security? |
| A. | Because a NAT address is discontiguous and nonroutable, an outside intruder can’t communicate with the local network. Note that this important feature is still no guarantee of secure networking. Intruders have discovered several techniques for gaining ... |
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