Subnetting Part 1 Flashcards
A direct, dedicated connection between two routers is called a ______ network.
point-to-point
What does CIDR stand for?
Classless Inter-Domain Routing
What system replaced the classful IPv4 addressing system?
CIDR (Classless Inter-Domain Routing
When a classful network is split into several smaller networks, the smaller network are called….
subnetworks / subnets
What is the formula to determine the number of USABLE addresses in a network?
2n - 2 = usable addresses
n = number of host bits
What is the dotted decimal equivalent of a /25 prefix length?
255.255.255.128
What is the dotted decimal equivalent of a /26 prefix length?
255.255.255.192
What is the dotted decimal equivalent of a /27 prefix length?
255.255.255.224
What is the dotted decimal equivalent of a /28 prefix length?
255.255.255.240
What is the dotted decimal equivalent of a /29 prefix length?
255.255.255.248
What is the dotted decimal equivalent of a /30 prefix length?
255.255.255.252
What is the dotted decimal equivalent of a /31 prefix length?
255.255.255.254
What is the dotted decimal equivalent of a /32 prefix length?
255.255.255.255
A subnet mask of 255.255.255.128 is equivalent to /____.
/25
A subnet mask of 255.255.255.192 is equivalent to /____.
/26
