Shared Flashcard Set

Details

CompTia Networking concepts P1
CIDR and Subnetting
35
Computer Networking
Professional
01/08/2015

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Cards

Term
supernetting
Definition
IP network that is formed from the combination of two or more networks
Term
default gateway
Definition
to route traffic between it and other subnets
Term
subnet mask
Definition
a 32-bit value that can be combined with an IP address to determine a host' subnet address
Term
binary ANDing
Definition
the process combining a subnet mask and IP address
Term
1's in a binary code represent
Definition
the network
Term
0's in a binary code represent
Definition
the host
Term
CIDR /32 has how many subnets
Definition
256
Term
CIDR /31 has how many subnets
Definition
128
Term
CIDR /30 has how many subnets
Definition
64
Term
CIDR /29 has how many subnets
Definition
32
Term
CIDR /28 has how many subnets
Definition
16
Term
CIDR /27 has how many subnets
Definition
8
Term
CIDR /26 has how many subnets
Definition
4
Term
CIDR /25 has how many subnets
Definition
2
Term
CIDR /24 has how many subnets
Definition
1
Term
CIDR /24 has how many addresses
Definition
256
Term
CIDR /25 has how many addresses
Definition
128
Term
CIDR /26 has how many addresses
Definition
64
Term
CIDR /27 has how many addresses
Definition
32
Term
CIDR /28 has how many addresses
Definition
16
Term
CIDR /29 has how many addresses
Definition
8
Term
CIDR /30 has how many addresses
Definition
4
Term
CIDR /31 has how many addresses
Definition
2
Term
CIDR /32 has how many addresses
Definition
1
Term
CIDR /32&31 has how many nodes
Definition
none
Term
CIDR /30 has how many node
Definition
2
Term
CIDR /29 has how many node
Definition
6
Term
CIDR /28 has how many node
Definition
14
Term
CIDR /27 has how many node
Definition
30
Term
CIDR /26 has how many node
Definition
62
Term
CIDR /25 has how many node
Definition
126
Term
CIDR /24 has how many node
Definition
254
Term
the first and last bits is
Definition
reserved for the host to assign IP addresses
Term
VLSM-variable length subnet mask
Definition
applies a custom subnet mask that provides the exact number of nodes required for each subnet
Term
classless interdomain routing (CIDR)
Definition
method of IP address assignment that allows the use of variable length subnet mask regardless of address class.
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