Which statement is not true regarding the SART?
A. Responds to interrogations by a vessel's X-band radar.
B. Transmits on the 9 GHz band reserved for navigational radar.
C. Operates in con unction with a vessels S-band radar.
D. Transmits a distinctive code for easy recognition.
查看答案
Which of the following EPIRBs is most likely to transmit a distress alert signal?
A. 9 GHz EPIRBs.
B. Ch 16 EPIRBs.
C. 406 MHz EPIRBs
D. 121.5 / 243 MHz EPIRBs.
Which of the following statements is true?
A. The SART can be auto-operated in vertical position sometimes.
B. The SART can be auto-operated in parallel position at any time.
C. The SART can be auto-operated under the water sometimes.
D. The SART can be operated in float-free position when combined with EPIRB
若要开发一个信息系统,需要经过七个步骤:①规划②设计③分析④ 实施⑤测试⑥开发⑦维护。这七个步骤排序正确的是: 【
A. ①②③④⑤⑥⑦
B. ①②③⑥④⑤⑦
C. ①③②⑥⑤④⑦
D. ①③②⑥④⑤⑦
警务信息综合应用平台采用的系统架构模式是:( )
A. 主机-终端模式
B. C/S模式
C. B/S模式
D. 多层架构模式