NETWORK LAYER
NEXT GENERATION IP
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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2001::/64
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2001:DB8::/64
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2001:DB8:D15:EA::/64
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2001:DB8:D15:EA:CC44::1/64
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Detailed explanation-1: -What is the prefix associated with the IPv6 address 2001:CA48:D15:EA:CC44::1/64? Explanation: The /64 represents the network and subnet IPv6 fields. The fourth field of hexadecimal digits is referred to as the subnet ID. The subnet ID for this address is 2001:CA48:D15:EA::0/64.
Detailed explanation-2: -The prefix-length in IPv6 is the equivalent of the subnet mask in IPv4. However, rather than being expressed in four octets like it is in IPv4, it is expressed as an integer between 1 through 128.
Detailed explanation-3: -So the string 2001:DA48:FC5:A4::/64 represents the required subnet ID. Therefore, this option is the correct response to the problem statement.
Detailed explanation-4: -What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64? Explanation: The network portion, or prefix, of an IPv6 address is identified through the prefix length. A /64 prefix length indicates that the first 64 bits of the IPv6 address is the network portion. Hence the prefix is 2001:DB8:BC15:A.