Refer to the exhibit. How many broadcast domains exist in the exhibited topology?dc7fe144cddd7e03e1f5f5398da13a2f.jpg
举一反三
- 已知函数f(x)=-b,且f(1)=7,则f(2)=(). A: 7 B: 10 C: 13 D: 15
- 找出下列数字中特殊的一个（ ） A、1 B、3 C、5 D、7 E、11 F、13 G、15 H、17 A: 1 B: 3 C: 5 D: 7 E: 11 F: 13 G: 15 H: 17
- 下图所示机构自由度计算,( )是正确的。 A: mg src="http://p.ananas.chaoxing.com/star3/origin/cb07ca0fb12be985c301490389c1e187.jpg" B: F=3×7 –(2×9 + 2 – 2)– 2 = 1 C: F=3×7 –(2×9+ 2– 0)– 0 = 1 D: F=3×7 –(2×8+ 2 – 0)– 2 = 1 E: F=3×5 –(2×6+ 2– 0)– 0 = 1
- How helpful were the in-lecture exercises? A: 7 - Excellent B: 6 C: 5 D: 4 - Okay E: 3 F: 2 G: 1 - Useless
- 以下程序的运行结果是哪一项？def f(x): global a a = 7 print a + x, a = 5 f(8) print a A: 15 7 B: 13 7 C: 15 5 D: 7 13