How many positive roots does the equation (x+1/2)2012-x2012+2x+1/2=0 have? ____.
第1题：
How many aspects does face normally have?
A、One
B、Two
C、Three
D、Four
第2题：
A. 22
B. 7
C. 6
D. 15
E. 2
第3题：
In the forest corresponding to the following binary tree，how many children does node B have？
A． 1
B．2
C．3
D．4
第4题：
The output of s how ip eigrp topology on Router R1 shows the following output, which is all the output related to subnet 10.11.1.0/24. How many feasible successor routes does R1 have for 10.11.1.0/24?（）P 10.11.1.0/24, 2 successors, FD is 2172419via 10.1.1.2 (2172423/2 8167), Serial0/0/0.1via 10.1.1.6 (2172423/28167), Serial0/0/0.2
A.0
B.1
C.2
D.3
第5题：
Click the Exhibit button. Given the information shown in the exhibit, when creating 2 DS1 circuits, how many STS ports are used on the VT1.5 matrix at Node 1 as VT circuits and how many are used after using VT tunnels?（）
A.2；0
B.3；2
C.3；5
D.4；0
E.6；0
F.6；2
第6题：
How many holds do you have?
第7题：
How many bytes does an IP adress consist of?
第8题：
A.54
B.53
C.48
D.1
第9题：
A.1
B.2
C.3
D.4
E.5
F.6
第10题：
How many children does the woman have?
A. Two.
B. Three.
C. Five.