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52 Cards in this Set
- Front
- Back
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What does RFC stand for?
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Requests for Comments
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RFC serial number for 'Internet Protocol'
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RFC 791
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RFC serial number for 'Address Allocation for Private Internets'
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RFC 1918
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What does IETF stand for?
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Internet Engineering Task Force
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Default 'CIDR', or 'Slash Notations' for Class A, B & C subnets, according to RFC 791
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/8
/16 /24 |
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Default 'CIDR', or 'Slash Notations' for Class A, B & C subnets according to RFC 1918?
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/8
/12 /16 |
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Private Address Space
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RFC 1918
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Private Address Space Classes and Ranges
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Class A: 10.0.0.0 - 10.255.255.255
Class B: 172.16.0.0 - 172.31.255.255 Class C: 192.168.0.0 - 192.168.255.255 |
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RFC 791 Classes and Ranges
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Class A: 1-126
Class B: 128-191 Class C: 192-223 |
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Reserved Range for Loopback Addresses
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127.0.0.0 - 127.255.255.255
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RFC discussing Special-Use IPv4 Addresses
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RFC 3330
Note: Good to know, but likely not on the CCENT/CCNA exams. |
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Class A range for a public network
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1-126
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Class A range for a private network
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10.0.0.0 - 10.255.255.255
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Class B range for a public network
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128-191
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Class B range for a private network
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172.16.0.0 - 172.31.255.255
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Class C range for a public network
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192-223
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Class C range for a private network
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192.168.0.0 - 192.168.255.255
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Default number of network bits in a public Class A
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8
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Default number of host bits in a public Class A
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24
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Default number of network bits in a public Class B
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16
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Default number of host bits in a public Class B
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16
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Default number of network bits in a public Class C
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24
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Default number of host bits in a public Class C
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8
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Default number of network bits in a private Class A
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8
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Default number of host bits in a private Class A
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24
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Default number of network bits in a private Class B
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12
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Default number of host bits in a private Class B
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20
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Default number of network bits in a private Class C
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16
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Default number of host bits in a private Class C
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16
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Default Subnet Mask for Class A (RFC 791)
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255.0.0.0
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Default Subnet Mask for Class B (RFC 791)
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255.255.0.0
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Default Subnet Mask for Class C (RFC 791)
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255.255.255.0
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Default Subnet Mask for Class A (RFC 1918)
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255.0.0.0
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Default Subnet Mask for Class B (RFC 1918)
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255.240.0.0
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Default Subnet Mask for Class C (RFC 1918)
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255.255.0.0
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1-126
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Class A
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224-239
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Class D
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127.0.0.0 - 127.255.255.255
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Reserved Range for Loopback
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128-191
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Class B
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192-223
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Class C
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10.233.245.67
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Class A
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KFC
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Kentucky Fried Chicken
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23.33.245.22
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Class A
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Default Class A CIDR (WAN)
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/8
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Default Class A CIDR (LAN)
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/8
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Default Class B CIDR (WAN)
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/16
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Default CIDR Class B (LAN)
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/12
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Default CIDR Class C (WAN)
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/24
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Default CIDR Class C (LAN)
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/16
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Address Allocation for Private Internets
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RFC 1918
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Internet Protocol
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RFC 791
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Special-Use IPv4 Addresses
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RFC 3330
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