运用市场比较法测算的价格能反映近期市场行情，具有较强的现实性。
查看答案
An attacker is launching a DoS attack on the Company network using a hacking tool designed to exhaust the IP address space available from the DHCP servers for a period of time. Which procedure would best defend against this type of attack？ （）
A. Configure only trusted interfaces with root guard.
B. Implement private VLANs （PVLANs） to carry only user traffic.
C. Implement private VLANs （PVLANs） to carry only DHCP traffic.
D. Configure only untrusted interfaces with root guard.
E. Configure DHCP spoofing on all ports that connect untrusted clients.
F. Configure DHCP snooping only on ports that connect trusted DHCP servers.
G. None of the other alternatives apply
抬阳极启动时，阳极离开阴极表面后必须进行阳极卡具第二次复紧。
A. 正确
B. 错误
下列情形不属于法定代理终止原因的是（）。
A. 被代理人取得或者恢复民事行为能力
B. 被代理人或者代理人死亡
C. 被代理人取消委托
D. 指定代理的人民法院或者指定单位取消指定
微信支付 
支付宝支付