关于数据封装的顺序（）是正确的。
A: Dat
B: segments-packets-frames-bits
C: Dat
D: packets-segments-frames-bits
E: Dat
F: frames-segments-packets-bits
G: Dat
H: segments-frames-packets-bits
A: Dat
B: segments-packets-frames-bits
C: Dat
D: packets-segments-frames-bits
E: Dat
F: frames-segments-packets-bits
G: Dat
H: segments-frames-packets-bits
举一反三
- IPV4的长度是 A: 32 bits B: 64 bits C: 48 bits D: 128 bits
- Suppose that the demand for picture frames is elastic and the supply of picture frames is inelastic. A tax of $1 per frame levied on picture frames will decrease the effective price received by sellers of picture frames by
- IPv6地址的长度为( ) A: 32 bits B: 48 bits C: 64 bits D: 128 bits
- Pentium 4 CPU的字长是( )(5.0) A: 8 bits B: 16 bits C: 32 bits D: 64 bits
- SMPTE时间码广泛应用在目前的影音工业中，主要参数格式是： A: Frames：Second：Minutes：Hours B: Hours：Frames：Minutes：Second C: Hours：Minutes：Frames：Second D: Hours：Minutes：Second ： Frames