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在没有BITS的地方（）。
- A、均采用环路定时
- B、ADM采用线路定时
- C、均采用通过定时
- D、均采用内部定时
参考答案
更多 “在没有BITS的地方（）。A、均采用环路定时B、ADM采用线路定时C、均采用通过定时D、均采用内部定时” 相关考题
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A.5(bits)B.3.5(bits)C.2(bits)D.4(bits)
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信源x中有14个随机事件,即n=14。每一个随机事件的概率分别为:x1~x12=1／16;x13~x14=1／8,则信源x的熵为()。
A.2.72(bits)B.3.75(bits)C.1.54(bits)D.3.5(bits)
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Which of the following is the MOST likely default configuration for a serial port?()
A. 8 Data bits, Odd Parity, 1 stop bitB. 8 Data bits, Even Parity, 2 stop bitsC. 8 Data bits, No Parity, 1.5 Stop bitsD. 8 Data bits, No Parity, 1 Stop bit
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Which of the following is the MOST likely default configuration for a serial port?（）A、8 Data bits, Odd Parity, 1 stop bitB、8 Data bits, Even Parity, 2 stop bitsC、8 Data bits, No Parity, 1.5 Stop bitsD、8 Data bits, No Parity, 1 Stop bit
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The key lengths for DES and 3DES， respectively， are：（）A、 128 bits and 256 bitsB、 128 bits and 384 bitsC、 1024 bits and 3072bitsD、 64 bits and 192 bitsE、 56 bits and 168 bitsF、 128 bytes and 384 bytes
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Which of the following is true about the MPLS header and its EXP field size？（）A、The MPLS header is 2 bytes，and the EXP field is 3 bits long.B、The MPLS header is 1 byte，and the EXP field is 3 bits long.C、The MPLS header is 4 bytes，and the EXP field is 3 bits long.D、The MPLS header is 3 bytes，and the EXP field is 3 bits long.
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单选题Which of the following is the MOST likely default configuration for a serial port?（）A
8 Data bits, Odd Parity, 1 stop bitB
8 Data bits, Even Parity, 2 stop bitsC
8 Data bits, No Parity, 1.5 Stop bitsD
8 Data bits, No Parity, 1 Stop bit
考题
单选题The key lengths for DES and 3DES， respectively， are：（）A
128 bits and 256 bitsB
128 bits and 384 bitsC
1024 bits and 3072bitsD
64 bits and 192 bitsE
56 bits and 168 bitsF
128 bytes and 384 bytes
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单选题Which of the following is true about the MPLS header and its EXP field size？（）A
The MPLS header is 2 bytes，and the EXP field is 3 bits long.B
The MPLS header is 1 byte，and the EXP field is 3 bits long.C
The MPLS header is 4 bytes，and the EXP field is 3 bits long.D
The MPLS header is 3 bytes，and the EXP field is 3 bits long.
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