For each blank, choose the best answer from the four choices and write down on the answer sheet.
(66) is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication.
(67) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.
(68) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.
(69) is the popular LAN developed under the direction of the IEEE 802.5.
(70) is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

A．The hub

B．The bridge

C．The router

D．The proxy

场景一：“我们的办公地点非常狭小，因此空间常常很拥挤。整个办公场地是开放式设计的，基本没有正规办公室。我们一般在会议室进行面试，但是有一次会议室用于展示活动，所以有两位候选人是在我的隔间逐一进行面试的。这次面试对于我来说简直是一场噩梦。环境嘈杂、人们走来走去，尽管事先我警告团队不要打扰我，但还是有三个人来打扰我。候选人都处理得很好，但是这对他们是不公平的，因为大家都很难将注意力集中在面试上。”

场景二：“我们招募新员工的时候组建了一个招聘小组对各个应聘者分别进行面试。小组成员有销售经理、人力资源部经理和我。问题是，人力资源部经理好像觉得在招募方面自己懂得多，她希望我们能附和她的意见。我感到自己不受重视，似乎我的意见毫无用处。这简直可笑，想想看我才是那个将和新员工共事的人！”

场景二中采用的面试方式是（）。

A、个别面试

B、成组面试

C、小组面试

D、会议型面试