In (66) the strength of the carrier signal is varied to represent binary 1 or 0. (67) is a system that can map a name to an address and conversely an address to al name. (68) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol. (69) is an approach that enables an ATM switch to behave like a LAN switch. (70) is an guided media which is made of glass or plastic and transmits signals in the form of light.

A．PPP

B．PAP

C．CHAP

D．LCP

信用社员工招考录用办法规定面试满分为100分，面试主要测查报考人员的自我认识、语言表达能力、（）、综合分析判断能力、（）、仪表气质、（）等。