IP Addressing Flashcards
What is an IP address?
unique device identifier, every device on the network needs to have a unique IP
What is a subnet mask?
Used in conjunction with an IP address, a subnet mask is a logical subdivision of an IP network.
What are 2 examples of four octet values?
IP, subnet mask
What is used in conjunction with an IP address to determine what subdivision an IP is on?
subnet mask
Through what do you send traffic outside your local subnet?
Through a default gateway
T/F
The default gateway must be an IP address on the local subnet?
True
What is a loopback address?
a way to define your local device without having to know a specific IP address
What is the range for loopback addresses?
127.0.0.1 through 125.255.255.254
what is the reserved range for IP address?
240.0.0.1 through 254.255.255.254
What are reserved IP addresses reserved for?
future use or testing
What is a VIP or Virtual IP address?
IP addresses assigned to the internals of a device, for example, a virtual machine.
IPv4 stands for
Internet protocol version 4
An IP address is how many bytes?
How many bits?
4 bytes, 32 bits
What is DHCP
dynamic host configuration protocol
what does DHCP do?
automatically configures IP addressing and configurations
What does an APIPA do?
Assign a link local address, can only communicate to other local devices, no forwarding by routers.
what does APIPA stand for
automatic private IP addressing
What is the reserved range for APIPA?
169.254.0.1 through 169.254.255.254
What is used to confirm that another private device on your network isn’t using an IP?
ARP
what is the functional block of APIPA link local IP addresses?
169.254.1.0 through 169.254.254.255
What is RFC 1918
request for comment, standard that defines private IP address ranges
what standard defines the private IP address ranges?
RFC 1918
