A、具有Web洞安全检测能力
B、提供针对网配置和改 Anti-DDoS相关参蝨的能力(每秒请求量、每秒HTP请求数、单一源IP连接数)
C、提供正对弹性云主机和负载均衡型设备的公网IP的防护能力
D、提供查看单个公网IP的监控能力,包括当前防护状态,当前防护参数,24小时前到现在的流量情况,24小时的异常情况(清洗和黑洞)
第1题:
第2题:
18、涤纶有许多优良的性能,下列哪个说法不正确?
A.耐磨
B.抗皱
C.洗可穿
D.抗静电
第3题:
在鱼洗实验中,下列哪个说法是正确的? In the fish washing experiment, which of the following statements is true?
A.当鱼洗器壁的振动频率越来越接近于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is closer and closer to the natural frequency of the fish washer;#B.当鱼洗器壁的振动频率大于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is greater than the natural frequency of the fish washer;#C.当鱼洗器壁的振动频率小于鱼洗固有频率时,产生共振现象; When the vibration frequency of the fish第4题:
关于喷嘴临界流量,在喷嘴出口面积一定的情况下,请判断下列说法哪个正确()。
A喷嘴临界流量只与喷嘴初参数有关
B喷嘴临界流量只与喷嘴终参数有关
C喷嘴临界流量与喷嘴压力比有关
D喷嘴临界流量既与喷嘴初参数有关,也与喷嘴终参数有关
第5题:
66、在鱼洗实验中,下列哪个说法是正确的? In the fish washing experiment, which of the following statements is true?
A.当鱼洗器壁的振动频率越来越接近于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is closer and closer to the natural frequency of the fish washer;###SXB###B.当鱼洗器壁的振动频率大于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is greater than the natural frequency of the fish washer;###SXB###C.当鱼洗器壁的振动频率小于鱼洗固有频率时,产生共振现象; When the vibration frequency of the fish