Internet Protocol (IP) Flashcards

1
Q

RFC1918

A

Used to extend the lifespan of IPV4

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2
Q

Automatic Private IP Addressing (APIPA)

A

Node self-assigns IP address if no attempts are made to obtain a DHCP lease or if no DHCP lease is available

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3
Q

APIPA address

A

169.254.0.0

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4
Q

Loopback

A

A software interface that can be used to emulate a physical interface

Always up and running

Used on routers to identify the router and for diagnostics and testing

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5
Q

Loop address

A

127.0.0.1

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6
Q

IP Broadcast

A

Used when destination address is unknown

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7
Q

IP Broadcast address

A

255.255.255.255

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8
Q

MAC address of an IP broadcast

A

FF-FF-FF-FF-FF-FF

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9
Q

IP Anycast

A

Used by IPV6

Used by CDNs and DNS

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10
Q

Local Link Address

A

Secondary IPv6 address that is specific to the local segment

Self-assigned by the host

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11
Q

Local Link Address starts with…

A

fe80

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12
Q

Default loopback address on IPv6

A

::1

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13
Q

Virtual IP (VIP)

A

A IP address that is shared between two nodes

Client traffic is sent to the virtual IP, nodes then split the traffic between them

Used in load balanced and fault tolerance configurations

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14
Q

Subinterfaces

A

Local interfaces created on the routers physical interface

Each logical interface is the default gateway for its own subnet and VLAN

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15
Q

IP range of Class A ip

A

0-127

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16
Q

Class A ip subnet mask

A

255.0.0.0

17
Q

IP range of Class B ip

A

128-191

18
Q

Class B ip subnet mask

A

255.255.0.0

19
Q

IP range of Class C ip

A

192-223

20
Q

IP range of Class D ip

A

224-239

21
Q

IP range of Class E ip

A

240-255

22
Q

Variable Length Subnet Mask (VLSM)

A

Customized subnet mask

Used to maximize IP address utilization in a network

Often more than one VLSM will be used in a larger network

23
Q
A