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Compared with resource consumption attacks, service consumption attacks do not require too much traffic. They mainly carry out accurate fixed-point attacks according to the characteristics of services, such as CC of the Web, retrieval of data services, download of file services, etc. Such attacks are often not aimed at congesting traffic channels or protocol processing channels. They are busy situations in which the server always handles high-consumption services and thus cannot respond to normal services. The detailed schematic diagram is as follows:王穷目光扫过女扮男装的香荽，微微一愣，紧跟着就微笑起来。5. Windows virtual CD-ROM is completely free.Update: I started the class ~ click on the link: three months to teach you how to start artificial intelligence from scratch! ! In-depth study essence practice course (free) can see my course, explained by Tensorflow, updated one class hour every day ~Time relays are divided into two types: on-time delay type and off-time delay type, and their symbols are shown in the following figure. For the power-on delay type time relay, when the coil is powered on, the power-on delay type contact acts after the delay time (the normally closed contact is opened and the normally open contact is closed), and the contact immediately returns to normal after the coil is powered off; For the power-off delay type time relay, when the coil is powered on, the power-off delay type contact acts immediately (the normally closed contact is opened and the normally open contact is closed). After the coil is powered off, the contact will not return to normal until the delay time is passed.Some of the resources of this site come from the Internet. For the purpose of transmitting more information, the copyright of this site reprints belongs to the original author or the source organization. If the reprinted manuscript involves copyright issues, please contact us.For more information, please refer to the Chinese page of Nagoya Municipal Transportation Bureau: http://www.kotsu.city.nagoya.jp/cn/pc/OTHER/TRP0001449.htm