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(BEMB) x (HCIF) > Topic 4 IP Addressing > Flashcards

Topic 4 IP Addressing Flashcards

1
Q

What is the current form of addressing used on the internet?

A

IPv4

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2
Q

How many bits are in an IP address?

A

32-bit address

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3
Q

What is IP address for?

A

To identify source and destination addresses

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4
Q

What is each octet separated by?

A

By a dot

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5
Q

What is the IP address consist of?

A

A network and host portion
192.168.10.1
<————><->
Network Host

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6
Q

What do the number of bits in the host portion determine?

A

The number of hosts within the network

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7
Q

What is a subnet mask?

A

Represents the network portion of an IP address

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8
Q

What is network prefix?

A

The prefix length is the number of bits in the address that gives the network (or subnetwork) portion
Eg. 172.16.4.0 /25
/25 indicates that the first 25 bits are the network address

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9
Q

What are the IP address classes?

A
  1. Class A
  2. Class B
  3. Class C
  4. Class D
  5. Class E
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10
Q

What is class A address used for?

A

To support very large networks with more than 16 million hosts

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11
Q

What are the characteristics of class A address?

A
  1. First octet has a value of 1 to 126
  2. Used a fixed /8 prefix with the first octet to indicate the network address
  3. Remaining three octets are used for host addresses
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12
Q

What is class B address used for?

A

Designed to support the needs of moderate to large size networks with more than 65,000 hosts

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13
Q

What are the characteristics of class B address?

A
  1. First octet has a value of 128 to 191
  2. First and second octets represent the network
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14
Q

What is class C address used for?

A

Intended to provide addresses for small networks with a maximum of 254 hosts

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15
Q

What are the characteristics of class C address?

A
  1. First octet has a value of 192 to 223
  2. First three octets represent the network
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16
Q

What are the type of addresses?

A

1, Network address
2. Broadcast address
3. Host address

17
Q

What is network address?

A

a way to refer to the network as a whole

18
Q

What is broadcast address?

A

a special address used to send packets to every hosts in the network that shares the same network portion of the address

19
Q

What is Host address?

A

each host in the network has a unique address

20
Q

What is unicast?

A

The process of sending a packet from one host to another host
◦ Normal host-to-host communication

21
Q

What is broadcast?

A

The process of sending a packet from one host to all hosts in the network
◦ Packet uses a special broadcast address as the destination

(BEMB) x (HCIF) (32 decks)

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