利用股指期货对股票投资组合进行套期保值的原理是基于股票指数与总体股票价格变动的同方向性。
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股指期货投资者应当充分理解并遵循“买卖自负”的原则,承担股指期货交易的履约责任。
A. 对
B. 错
You are unsuccessful in telnetting into a remote device.you are telled[Connection to 12.1.1.1 closed by foreign host]What could the problem be? (Choose two.)
A. IP addresses are incorrect.
B. Access control list is filtering Telnet.
C. There is a defective serial cable.
D. The VTY password is missing.
When you are logged into a router, which prompt indicates that you are in privileged mode?
A. %
B. @
C. >
D. $
E.
Which command would correctly configure a serial port on a router with the last usable host address in the 192.216.32.32/29 subnet?
A. Router(config-if)
B. ip address 192.216.32.38 255.255.255.240
C. ip address 192.216.32.39 255.255.255.224
D. Router(config-if)
E. ip address 192.216.32.63 255.255.255.248
F. Router(config-if)
G. ip address 192.216.32.38 255.255.255.248