下列关于融资融券的债权担保说法错误的是()。A.证券公司应当逐日计算客户交存的担保物价值与其下列关于融资融券的债权担保说法错误的是()。
A. 证券公司应当逐日计算客户交存的担保物价值与其所欠债务的比例
B. 证券公司向客户融资融券,应当向客户收取一定比例的保证金,但保证金不能以证券冲抵
C. 客户交存的担保物价值与其债务的比例超过证券交易所规定水平的,客户可以按照证券交易所的规定和融资融券合同的约定,提取担保物
D. 司法机关依法对客户信用证券账户或者信用资金账户记载的权益采取财产保全或者强制执行措施的,证券公司应当处分担保物,实现因向客户融资融券所生债权,并协助司法机关执行
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The Ezonexam network administrator has just issued the "switchport trunk native vlan 998"
A. It designates VLAN 998 as the default for all unknown tagged traffic
B. It designates VLAN 998 for untagged traffic
C. It blocks VLAN 998 traffic from passing on the trunk
D. It creates a VLAN 998 interface
E. None of the above
Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)
A. Full-duplex Ethernet uses CSMA/CD to prevent collisions.
B. Half-duplex Ethernet uses a loopback circuit to detect collisions.
C. A full-duplex Ethernet card allows 20Mbps for data transmission.
D. Full-duplex Ethernet makes use of two pairs of wires for data.
E. An Ethernet hub can operate both half and full duplex simultaneously.
因素分析法在应用时必须注意因素分解的关联性、因素替代的顺序性、顺序替代的连环性和计算结果的准确性。 ()
A. 正确
B. 错误
协议回购,是指公司以协议价格直接向一个或几个主要股东回购股票。协议价格一般高于当前的股票市场价格。 ()
A. 正确
B. 错误