11. Dynamic Addressing with DHCP //

Question 1

This is used to identify the network on which the host is connected.

Answer 1

Subnet mask

Question 2

This identifies the networking device that the host uses to access the internet or another remote network.

Answer 2

Default gateway

Question 3

What are the uses of Static IP Addresses?

Answer 3

Static addresses have some advantages. For instance, they are useful for printers, servers, and other networking devices that need to be accessible to clients on the network. If hosts normally access a server at a particular IPv4 address, it would not be good if that address changed.

Question 4

automatically assigns addressing information such as IPv4 address, subnet mask, default gateway, and other configuration information

Answer 4

Dynamic Host Configuration Protocol (DHCP).

Question 5

What is the benefit of DHCP?

Answer 5

DHCP is generally the preferred method of assigning IPv4 addresses to hosts on large networks because it reduces the burden on network support staff and virtually eliminates entry errors.

Another benefit of DHCP is that an address is not permanently assigned to a host but is only leased for a period of time. If the host is powered down or taken off the network, the address is returned to the pool for reuse. This is especially helpful with mobile users that come and go on a network.

Question 6

What is a DHCP Server?

Answer 6

DHCP server is usually a local dedicated PC-based server. With home networks, the DHCP server may be located at the ISP and a host on the home network receives its IPv4 configuration directly from the ISP.

Question 7

What is the DHCP in home and how it is processed?

Answer 7

Many home networks and small businesses use a wireless router and modem. In this case, the wireless router is both a DHCP client and a server. The wireless router acts as a client to receive its IPv4 configuration from the ISP and then acts as a DHCP server for internal hosts on the local network. The router receives the public IPv4 address from the ISP, and in its role as a DHCP server, it distributes private addresses to internal hosts.

Question 8

What is a DHCP Discover packet?

Answer 8

• It looks for a DHCP Server
• This packet is a broadcast packet
• It contains the MAC Address of the device asking for IP Address, and it is destined for the device that is configured as a DHCP Server

Question 9

What does DHCP Offer packet?

Answer 9

• This packet contain an IP Address that the individual device could use after the DHCP Discover if it accepts it.

Question 10

What is a DHCP Request packet?

Answer 10

• It will basically accepts or request for the IP Address that was offered by the DHCP server through “DHCP Offer”