(71) In the strength of the carrier signal is varied to represent binary 1 or 0. (72) is a system that can map a name to an

admin2010-01-24 69

问题 (71) In the strength of the carrier signal is varied to represent binary 1 or 0.
   (72) is a system that can map a name to an address and conversely an address to an name.
   (73) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol
   (74) is an approach that enables an ATM Switch to behave like a LAN switch.
   (75) is an guided media which is made of glass or plastic and transmits signals in the form of light.

选项 A、VLAN
B、LANE
C、VPN
D、IPOA

答案B

解析

转载请注明原文地址:https://www.kaotiyun.com/show/YGJZ777K

本试题收录于：网络工程师上午基础知识考试题库软考中级分类