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Network Essential > IPv4 And IPv6 > Flashcards

IPv4 And IPv6 Flashcards

1
Q

Where is Unicast Transmission used ?

A

Host-host / Peer - Peer Network

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2
Q

What is Unicast address ?

A

Address of end Device

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3
Q

Range of unicast address ?

A

0.0.0.0 - 223.255.255.255

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4
Q

What is broadcast transmission?

A

Sends broadcast using broadcast address

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5
Q

What is Multicast transmission?

A

Sending a single packet to set of host

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6
Q

Range of Multicast ?

A

224.0.0.0-239.255.255.255

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7
Q

Multicast address is reserved only for ?

A

Local Network

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8
Q

What is DHCP discover message?

A

A broadcast with destination IPv4 address of 32 Ones and Destination MAC address with 48 Ones

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9
Q

What replies to DHCP discover messege ?

A

DHCP server

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10
Q

What DHCP server replie with ?

A

DHCP offer

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11
Q

What DHCP offer has ?

A

IPv4 address

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12
Q

After DHCP offer is received by host what does it send ?

A

DHCP request for IPv4 address

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13
Q

When DHCP server recieves DHCP request what does it replies with ?

A

DHCP acknowledgement

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14
Q

What uses Default gateway ?

A

Router

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15
Q

Issue with IPv4 ?

A

Running out of address
Max 43 Billion Address
Limited space for NAT and IOT

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16
Q

Size of IPv6 ?

A

10^36 (340 Undecillion address )

17
Q

Does IPv6 need NAT ?

A

No, it has its own globally routable address

18
Q

What is IPv6 ?

A

128-bit address , collan hexadecimal

19
Q

How many bits does IPv6 use ?

A

8 Hexatets (16bit)

20
Q

What does IPv6 use instead of subnet mask ?

A

Network prefix

21
Q

Techniques used for IPv4 and IPv6 coexistence?

A

Dual stack
Tunneling
Translation

22
Q

What run both in IPv4 and IPv6 ?

A

Dual Stack

23
Q

In which technology IPv6 is encapsulated in IPv4 ?

A

Tunneling

24
Q

What is tunneling ?

A

Process of transporting IPv6 packets over IPv4 network

25
Q

Which allows IPv6 device to communicate with IPv4 ?

A

NAT64

26
Q

what should IPv6 have within a network ?

A

Link local unicast address

27
Q

How frequently does ICMPv6 sends multicast ?

A

200 seconds

28
Q

What router advertisement does Cisco use ?

A

SLAAC - No DHCPv6

29
Q

What IPv6 advertisement is used for DNS address ?

A

SLAAC + Stateless DHCPv6

30
Q

What router advertisement is used in DHCPv6?

A

All address except default gateway

31
Q

What allows host to create own routable table in IPv6?

A

Stateless Address Auto Configuration (SLAAC)

32
Q

What is prefix in IPv6?

A

Network address

33
Q

What does the host receives in IPv6 ?

A

Prefix
Prefix length (Subnet Mask)
Default gateway

34
Q

What is used to communicate within the same network in IPv6?

A

Link local address

35
Q

Two or more zero in IPv6 address can be represented by ?

A

::

Network Essential (9 decks)

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