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单选题
Which of the following pin pairs remain with the same wire color for either T568A or T568B?（）
A
Pair 1 & 8
B
Pair 2 & 7
C
Pair 3 & 6
D
Pair 4 & 5
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（ 33 ）有如下程序：#includeiostreamusing namespace std;class Pair{int m;int n;public:Pair （ int i ， int j ） ： m （ i ） ， n （ j ） {}boot operator （ pair p ） const; // 须在类体外给出定义} ；int main （） {Pair Al （ 3,4 ） ， p2 （ 4,3 ） ； p3 （ 4,5 ） ；Cout （ plp2 ） （ P2P1 ） （ p2p3 ） （ p3p2 ） ；return 0;}运算符函数 。 operator 的功能是比较两个 Pair 对象的大小 ， 当左边对象大时 ， 返回 true ， 否则返 回false 。 比较规则是首先比较两对象的 m 成员 ， m 大者为大 ； 当 m 相等时比较 n ， n 大者为大 。 程序输出 0101 ，下列对运算符重载函数的正确定义是A ） bool Pair::operator （ Pair p ） const{if （ m!=p.m ） return mp.m; return np.n;}B ） bool Pair:;operator （ Pair p ）{if （ m!=p.m ） return mp.m; return np.n;}C ） bool Pair::operator （ Pair p ） const{if （ mp.m ） return true; return np.n;}D ） bool Pair:;operator （ Pair p ）{if （ mp.m ） return true; return np.n;}
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考题
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考题
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考题
单选题Which of the following pin pairs remain with the same wire color for either T568A or T568B?（）A
Pair 1 8B
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Pair 3 6D
Pair 4 5
考题
单选题Which of the following describes what the number two represents in l00Base2 cabling?（）A
FiberB
Coaxial cableC
UTPD
Twisted pair
考题
单选题Which of the following pair of words are antonyms?A
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choice and optionC
blue and greenD
rabbit and animal
考题
单选题Which of the following represents a wiring standard for twisted pair cables?（）A
FiberB
T568AC
IEEE1394D
CAT5
考题
单选题Which of the following connector types is used with twisted pair cable?（）A
T-ConnectorB
BNCC
RJ-45D
LC
考题
单选题Which of the following connectors is commonly used on a shielded twisted pair cable?（）A
BNCB
RJ-45C
FD
HDMI
考题
单选题Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling,one pair for sending and the other pair for receiving?（）A
100Base-T4B
100Base-TXC
100Base-XD
100Base-FX
考题
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Contains four pair of wires of various gaugeB
Contains two wires in a red fireproof jacketC
Contains four twisted pairs of wiresD
Contains eight wires within a thick jacket with a rip cord
考题
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minimal pairB
phonemic contrastC
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Bound morphemes
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