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IPv4-IPv6 (GATE - CS)

IPv4 IPv6

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following notations does IPv6 use?

  1. Decimal notation
  2. Dotted decimal notation
  3. Binary notation
  4. Hexadecimal notation
  5. Octet notation
Question 2 Multiple Choice (Single Answer)

The field that is not present in IPv4, but is introduced as a new field in IPv6 is

  1. header checksum
  2. time to live
  3. flags
  4. flowlabel
  5. total length
Question 3 Multiple Choice (Single Answer)

Which of the following is incorrect about IPv6 addressing?

  1. IPv6 addressing uses FD00::/8 as a unique local address.
  2. IPv6 addressing supports globally unique 'public' addresses.
  3. IPv6 addressing uses ::1 as a loopback address.
  4. IPv6 addressing uses :: to define unspecified address.
  5. IPv6 addressing uses multicast groups.
Question 4 Multiple Choice (Single Answer)

A type of IPv6 address that starts at FE80, FE90, FEA0, FEBO, etc. is known as

  1. global unicast address
  2. unicast address
  3. windows auto-configured address
  4. multicast address
  5. loopback address
Question 5 Multiple Choice (Single Answer)

Which of the following is incorrect about IPv6 address format?

  1. IPv6 address has 8 groups of 4 hexadecimal digits.
  2. The first 64 bits of IPv6 (128-bit) address are known interface ID.
  3. In IPv6 address, each group represents 16 bits (4 hexa digits * 4 bit).
  4. In IPv6 address format, hex digits are not case sensitive. So, 'DBCA' is same as 'dbca' or 'DBca'.
  5. In IPv6 address, colon (:) is used as a separator.
Question 6 Multiple Choice (Single Answer)

What is the use of priority value ‘6’ of priority field of IPv6 address format?

  1. Attended bulk transfer
  2. Interactive traffic
  3. Reserved value
  4. Uncharacterised traffic
  5. Filler traffic
Question 7 Multiple Choice (Single Answer)

IPv6 address format has a priority field that has values 0 to 7. Which of the following priority values is used to define unattended data transfer?

  1. 0
  2. 5
  3. 1
  4. 2
  5. 7
Question 8 Multiple Choice (Single Answer)

For diagnostic purposes, which of the following reserved IPv4 address ranges is used?

  1. 0.0.0.0 /8
  2. 0.0.0.0 /0
  3. 169.254.x.x /16
  4. 127.x.x.x /8
  5. 255.255.255.255
Question 9 Multiple Choice (Single Answer)

In IPv4, the way of giving out IP addressing and routing IP packets is called

  1. Classless Inter-Domain Routing
  2. Network Address Translation
  3. Subnetting
  4. Broadcasting
  5. Supernetting
Question 10 Multiple Choice (Single Answer)

Which of the following IPv6 addresses begin with FECx:?

  1. Special address
  2. Site local address
  3. Link local address
  4. Multicast address
  5. Aggregate global address
Question 11 Multiple Choice (Single Answer)

In IPv4 header, the _________________ field allows the destination host to reassemble the fragments in the proper order.

  1. flags
  2. identification
  3. fragment offset
  4. protocol
  5. header checksum
Question 12 Multiple Choice (Single Answer)

In IPv6 header, which extension header specifies options that should be processed by every router in the path?

  1. Destination options header
  2. Hop-by-hop options header
  3. ESP header
  4. Authentication header
  5. Routing header
Question 13 Multiple Choice (Single Answer)

In IPv6 header, the ___________ field specifies the transport layer protocol used by a packet's payload.

  1. flow label
  2. payload length
  3. hop limit field
  4. next header field
  5. traffic class field
Question 14 Multiple Choice (Single Answer)

How many bits are used by payload length field of IPv6 header?

  1. 128 bits
  2. 4 bits
  3. 16 bits
  4. 20 bits
  5. 8 bits
Question 15 Multiple Choice (Single Answer)

Which part of IPv4 packet structure is used to avoid looping in the network?

  1. Time to live
  2. Flags
  3. ECN
  4. DSCP
  5. IHL
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