IPv6 Addressing

What is the size of an IPv6 address?

32 bits

256 bits

64 bits

128 bits

Which of the following is a valid IPv6 address?

2001:0db8:85a3:0000:0000:8a2e:0370:7334

2001:db8:85a3::8a2e:370:7334

2001:0db8:85a3:0000:0000:8a2e:0370:7334:1234

Both A and B

What is the loopback address in IPv6?

::1

Fe80::1

0:0:0:0:0:0:0:1

Both A and C

Which of the following is an IPv6 link-local address?

2001:db8::1

Fe80::1

Fc00::1

Ff00::1

What is the primary purpose of an IPv6 link-local address?

Routing on the global internet

Communication within a single subnet

Multicast communication

Anycast communication

How many hexadecimal digits are there in an IPv6 address?

Which of the following is an IPv6 multicast address?

Fe80::1

Ff00::1

2001:db8::1

::1

Which notation is used to shorten an IPv6 address by omitting leading zeros and consecutive sections of zeros?

Dot-decimal notation

Zero compression

CIDR notation

Hexadecimal notation

What is the IPv6 address space reserved for documentation and examples?

2001:0db8::/32

2001:db8::/32

2001::/32

2001:0db8:1234::/48

Which of the following is a unique local address (ULA) in IPv6?

2001:db8::1

Fc00::1

Fe80::1

Ff00::1

Which of the following is a valid IPv6 global unicast address?

2001:0db8::/32

Fe80::1

fc00::1

2400:cb00:2048:1::c629

What is the purpose of the IPv6 Neighbor Discovery Protocol (NDP)?

To allocate IP addresses dynamically

To discover other IPv6 nodes on the same link

To provide end-to-end connectivity

To encrypt IPv6 packets

Which of the following prefixes is used for IPv6 unique local addresses (ULA)?

Fe80::/10

Fc00::/7

Ff00::/8

2001:db8::/32

What is the primary advantage of IPv6 over IPv4?

Better encryption

Larger address space

Faster transmission speeds

Simpler addressing scheme

Which IPv6 address type is used to identify multiple interfaces, usually belonging to different nodes?

Unicast

Multicast

Anycast

Broadcast

Which IPv6 header field is used to indicate the quality of service?

Flow Label

Traffic Class

Next Header

Hop Limit

In an IPv6 address, how many bits are allocated for the subnet identifier?

16 bits

32 bits

64 bits

128 bits

What is the main purpose of the IPv6 extension headers?

To replace the IPv4 header

To provide optional internet-layer information

To manage IPv6 address allocation

To encrypt IPv6 packets

Which of the following is not a valid IPv6 address?

2001:0db8:85a3:0000:0000:8a2e:0370:7334

2001:db8:85a3::8a2e:370:7334

1200::AB00:1234::2552:7777:1313

2001:0db8:0000:0042:0000:8a2e:0370:7334

Which IPv6 address type is automatically configured on all interfaces?

Global Unicast Address

Link-Local Address

Multicast Address

Unique Local Address

IPv6 Addressing

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