自理报检单位的（）发生变化时，应向检验检疫机构申请重新颁发《自理报检单位备案登记证明书》。 ["企业性质","单位名称","法定代表人","报检人员"]
The Company security administrator is concerned with layer 2 network attacks. Which two statements about these attacks are true？ （） [" ARP spoofing attacks are attempts to redirect traffic to an attacking host by encapsulating a false 802.1Q header on a frame and causing traffic to be delivered to the wrong VLAN."," ARP spoofing attacks are attempts to redirect traffic to an attacking host by sending an ARP message with a forged identity to a transmitting host."," MAC address flooding is an attempt to force a switch to send all information out every port byoverloading the MAC address table."," ARP spoofing attacks are attempts to redirect traffic to an attacking host by sending an ARP packet that contains the forged address of the next hop router."," MAC address flooding is an attempt to redirect traffic to a single port by associating that port with all MAC addresses in the VLAN."]
地基验槽重点观察的内容有（）。 ["基坑周边是否设置排水沟","地质情况是否与勘察报告相符","是否有1日建筑基础","是否有浅埋坑穴、古井","基槽开挖方法是否先进合理"]
被破坏地是指由于在（）或（）的强度干扰形成的退化地。
（王夫之的）现量说
破坏检验
