D公司是一家上市公司,其股票于20×1年8月1日的收盘价为每股40元。有一种以该股票为标的资产的看涨期权,执行价格为42元,到期时间是3个月。3个月以内公司不会派发股利,3个月以后股价有2种变动的可能:上升到46元或者下降到30元。3个月到期的国库券利率为4%(年报价利率)。利用风险中性原理,计算D公司股价的上行概率和下行概率,以及看涨期权的价值。
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电力生产事故调查的任务是贯彻安全第一、预防为主的方针,总结经验教训,研究电力生产事故(),采取预防措施,防止和减少电力生产事故的发生。
A. 原因
B. 责任
C. 规律
D. 处罚
An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? ()
A. The switch must be configured with an IP address, subnet mask, and default gateway.
B. The switch must be connected to a router over a VLAN trunk.
C. The switch must be reachable through a port connected to its management VLA
D. The switch console port must be connected to the Ethernet LA
E. The switch management VLAN must be created and have a membership of at least one switch port.
F. The switch must be fully configured as an SMTP agent.