（1）单选题
About IPv6, which statement is wrong
A IPv6 address has 128 bits, while IPv4 address only has 32 bits
B The length of IPv6 head is fixed, while IPv4 head size is various
C Same as IPv4, IPv6 head has a field called “Protocol
D IPv6 head has a field called “Next Head”, while IPv4 has no such field
（2）单选题
What is the size of the IPv4 IP address?
A 4bytes
B 10bytes
C 32bytes
D 8bytes
（3）单选题
What is the size of the next-generation (IPv6) IP address?
A 4 bytes (32 bits)
B 12 bytes (96 bits)
C 16 bytes (128 bits)
D 20 bytes (160 bits)
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未经允许不得转载！Chapter 5 Network Layer--Internet Protocol【含答案】 计算机网络 Computer Networks