Which protocol do DNS and DHCP use?
Table of Contents
Which protocol do DNS and DHCP use?
DHCP vs DNS: What are their differences?
| Parameters | DHCP | DNS |
|---|---|---|
| Basic | A protocol for assigning IP address to the host statically or dynamically. | An address resolving mechanism. |
| Related protocols | UDP | UDP and TCP |
How does DHCP work with DNS?
The DHCP service can use DNS in two ways: The DHCP server can look up the host name that is mapped to an IP address that the server is assigning to the client. The DHCP server can attempt to make a DNS mapping on a client’s behalf, if the DHCP server is configured to update DNS.
What layer protocol is DHCP?
application-layer protocol
DHCP is an application-layer protocol that allows a client machine on the network, to get an IP address and other configuration parameters from the server.
Is DNS a Layer 4 protocol?
Although, DNS is application layer protocol since it uses UDP (or TCP in case UDP does not work), it s still considered Layer 4 protocol.
Is DNS an application layer protocol?
The Domain Name System (DNS) is an application layer system that provides mapping between domain names and the associated IP addresses. DNS is described in detail elsewhere [123, 124]. DNS is widely used in the Internet, as practically all Web addresses and email addresses contain domain names.
How do DHCP and DNS differ?
DNS and DHCP both work on the client-server architecture but are dissimilar terms. DNS maps the domain name to IP address whereas DHCP is a protocol which assigns IP to the hosts in a network be it statically or dynamically. DHCP is also used while setting up the DNS server to the host.
Which layer protocol is DNS?
application layer protocol
DNS is an application layer protocol. All application layer protocols use one of the two transport layer protocols, UDP and TCP.
What is the difference between DHCP and layer 4?
The use of the layer 4 protocol provides the 16 bit port number, which provide DNS the ability to support multiple connections, etc. DHCP uses UDP ports 67 and 68 – to separate client and server functions. The server listens on port 67, and the client 68. DHCP initially does a layer 2 broadcast, Quick and short answer, both use UDP.
Is DHCP required for DNS to work?
For DNS to work, you should have a valid IP address. That means DHCP part should have been completed before DNS even comes in picture. Although, DNS is application layer protocol since it uses UDP (or TCP in case UDP does not work), it s still considered Layer 4 protocol.
What is the difference between DHCP and DNS?
On the other hand, DNS is a completely different story. For DNS to work, you should have a valid IP address. That means DHCP part should have been completed before DNS even comes in picture. Although, DNS is application layer protocol since it uses UDP (or TCP in case UDP does not work), it s still considered Layer 4 protocol.
Which protocol provides 16 bit port number for DNS?
The use of the layer 4 protocol provides the 16 bit port number, which provide DNS the ability to support multiple connections, etc. Dynamic Host Configuration Protocol. DHCP uses UDP ports 67 and 68 – to separate client and server functions.