[多选] 做好网上舆论工作是一项长期任务，要（）。

网站开发建设方案 You suspect that a hacker may be performing a MAC address flooding attack somewhere within the    network.  Which description correctly describes a MAC address flooding attack？（） The attacking device spoofs a source MAC address of a valid host currently in the CAM table. The switch then forwards frames destined for the valid host to the attacking device.。 Frames with unique， invalid destination MAC addresses flood the switch and exhaust CAM table space. The result is that new entries cannot be inserted because of the exhausted CAM table space， and traffic is subsequently flooded out all ports.。 The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking device then becomes the destination address found in the Layer 2 frames sent by the valid network device.。 The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking device then becomes the source address found in the Layer 2 frames sent by the valid network device.。 The attacking device spoofs a destination MAC address of a valid host currently in the CAM table. The switch then forwards frames destined for the valid host to the attacking device.。 Frames with unique， invalid source MAC addresses flood the switch and exhaust CAM table space. The result is that new entries cannot be inserted because of the exhausted CAM table space， and traffic is subsequently flooded out all ports.。 None of the other alternatives apply。 领先世界，崛起战略阶段，（）是中国大战略的基本理论形态。 毛泽东思想。 邓小平理论。 三个代表重要思想。 科学发展观。 Refer to the above exhibit. Why are the EIGRP neighbors for this router not learning the  routes redistributed from OSPF?（） Redistribution must be enabled mutually (in both directions) to work correctly.。 auto - summary causes the OSPF routes redistributed into EIGRP to be summarized; thus the OSPF network 116.16.34 is summarized to 116.3 4.0.0, which is already covered by the EIGRP protocol.。 Default metrics are not configured under EIGRP.。 Both routing protocols must have unique autonomous system numbers for redistribution to function correctly.。 胎心电子监测时孕妇的体位为：（） 仰卧位，暴露腹部。 左侧卧位，暴露腹部。 右侧卧位，暴露腹部。 取半卧位或坐位，暴露腹部。 仰卧屈膝位，暴露腹部。 做好网上舆论工作是一项长期任务，要（）。