Dynamic Host Configuration Protocol. A protocol that automatically assigns devices joining a network an IP address, subnet mask, default gateway, DNS servers and other settings for a limited time.
Japanese name: DHCP
DHCP appears in 3 practice questions across 1 topic, including Computer Networking Basics.
Field: Computer Networking Basics
Answer: B. Discover → Offer → Request → Ack
A device with no address yet does not know where the DHCP server is either, so it first broadcasts a Discover. A server proposes an address and other settings in an Offer, the device states which server's offer it accepts in a Request, and the server confirms with an Ack. From the initials this is called DORA. Besides the IP address, the device receives the subnet mask, the default gateway, the DNS server addresses and more. Addresses are lent for a limited time (the lease), and the device asks for renewal before it expires. To use a DHCP server beyond a router, a DHCP relay is configured on the router.
A device with no address yet does not know where the DHCP server is either, so it first broadcasts a Discover.
When a device obtains an IP address with DHCP, what is the …The 32-bit address routers use to choose routes is the IPv4 address, and what DHCP assigns is also an IP address.
Which statement about MAC addresses is correct?Finding an IP address from a domain name is the job of DNS, and assigning IP addresses automatically is the job of DHCP.
Which correctly describes the role of ARP?As an Amazon Associate I earn from qualifying purchases.
DNS (Domain Name System) MAC address Subnet mask Default gateway ARP CIDR CSMA/CA NAT (Network Address Translation) OSI reference model Port number