TCP/IP Basics Flashcards
protocol that a computer uses to figure out the MAC address of a computer based on the destination IP address; the computer sends out a broadcast, requesting that the owner of a specific IP address relay its MAC address
Address Resolution Protocol (ARP)
method of generating IP addresses by subnetting a block of addresses into multiple subnets (ISP then passes out smaller individual subnets to customers)
Classless Inter-Domain Routing (CIDR)
the process of created custom and different sized subnets from a single network ID
variable length subnet masking (VLSM)
protocol that preceded DHCP for providing dynamic IP addressing (might show up instead of DHCP, though it is no longer in use)
Bootstrap Protocol (BOOTP)
the four-step process for a DHCP client receiving an IP address from a DHCP server
DHCP handshake (DORA)
a set amount of time, usually 1 to 8 days, that a DHCP client keeps its network info, after which it makes another DHCP request - it always receives the same info based on the client MAC address
DHCP lease
the range of IP addresses a DHCP server is allowed to pass out
DHCP Scope
an option on some routers to act as a go-between between a DHCP client and DHCP server - the server IP address must be configured on the router
DHCP Relay
the IP address of a DHCP server entered in a router that has been configured for DHCP relay
IP helper
the process of setting aside a range of IP address to be used for dynamic addressing
DHCP Reservation
a configuration setting in many DHCP servers allowing them to exclude a range (or single) of IP addresses within a DHCP scope to be used for static IP addressing
IP exclusion
that which produces a special IP address when a device fails to find a DHCP server
zero-configuration networking
an unwanted DHCP servers that passes out incorrect IP information - it may pass out wrong network IDs (unmalicious) or wrong gateways with the right network ID info (malicious)
rogue DHCP server
