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【单选题】
一台与 无穷大电网并联运行的三相隐极同步发电机,其额定容量为 31250kVA ,额定电压为 10.5kV ,定子绕组星形连接,负载功率因数为 0.8( 滞后 ) ,定子每相同步电抗为 7.0 W ,忽略电枢电阻且不计磁饱和,当发电机额定运行时,发电机的电磁功率为()。A.
34.5MW
B.
25MW
C.
30MW
D.
以上都不对
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【单选题】Given below is a list of scenarios： 1）A user terminates his session abnormally. 2）The connection between the server and the client application terminates because of a network failure. 3）A schema is...
A.
4 and 5
B.
1，3，and 6
C.
4，5，and 6
D.
3，4，and 5
E.
1，2，and 6
【简答题】Collection有两个子接口分别是List和Set,其中具备有序、可重复特点的是________接口。
【多选题】A security analysis at The Potomac Canal Company recommends installing an IDS appliance anda firewall appliance. These appliances should connect directly into a Layer 3 switch. A loadbalancer and SSL ...
A.
The data center would need several devices to achieve its goal.
B.
Increased usage of standalone devices is cost-effective.
C.
Using integrated blades would only require two devices.
D.
Putting all security devices in a single chassis provides a single point of failure.
【简答题】Collection有两个子接口分别是List和Set,List集合的特点是有序 ,Set集合的特点是无序 。
【单选题】An eX5 client is concerned about the cost-per-GB of the proposed SAS disk-based solution, and suggests using SATA disk technology in order to reduce costs for their 24x7 mission-critical Microsoft SQL...
A.
SAS drives support automatic rebuild upon failure, SATA must be rebuilt manually
B.
SAS drives support Fibre Channel attachment to eX5 servers, SATA does not
C.
SATA drives require different, more expensive cables, and require more floor space compared with SAS
D.
SATA storage is slower, has lower mean time between failure, and designed for a lower duty cycle compared with SAS
【单选题】An eX5 client is concerned about the cost-per-GB of the proposed SAS disk-based solution， and suggests using SATA disk technology in order to reduce costs for their 24x7 mission-critical Microsoft SQL...
A.
SAS drives support automatic rebuild upon failure， SATA must be rebuilt manually
B.
SAS drives supportFibre Channel attachment to eX5 servers， SATA does not
C.
SATA drives require different， more expensive cables， and require more floor space compared with SAS
D.
SATA storage is slower， has lower mean time between failure， and designed for a lower duty cycle compared with SAS
【单选题】fiduciary对应
A.
failure to exercise the care toward others which a reasonable or prudent person would do in the circumstances, or taking action which such a reasonable person would not.
B.
the act of making untrue statements about another which damages his/her reputation.
C.
from the Latin fiducia, meaning 'trust,' a person (or a business like a bank or stock brokerage) who has the power and obligation to act for another (often called the beneficiary) under circumstances which require total trust, good faith and honesty.
D.
To determine the liabilities and apportion the assets of esp. in bankruptcy or dissolution
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