ISDN(Integrated Service Digital Network)中文名称是综合业务数字网,通俗称为“一线通”,它采用数字传输和数字交换技术,将电话、传真、数据、图像等多种业务综合在一个统一的数字网络中进行传输和处理。
第1题:
B-ISDN中的ISDN的意思是综合业务数字网(Integrated Service Digital Network) ,而B的意思是【 】。
第2题:
A. 先来先服务
B. Guaranteed Service
C. Controlled-Load Service
D. 类似ISDN的服务
第3题:
A.Best-Effort service
B.Integrated service
C.Differentiated service
D.Best service
第4题:
在Springerlink数据库里如果想在题名字段中查找虚拟或数字化服务方面的论文,应该输入:()
第5题:
At a branch location, TestKing.com has deployed a non modular router that is equipped with two serial interfaces and two Ethernet interfaces.What additional equipment must be used to allow the branch office to connect to the central office by using an ISDN service?()
A. a serial cable with a V.35 to RJ45 adapter
B. a CSU/DSU
C. an external ISDN TA and NT1
D. The non-modular router cannot connect to an ISDN service. The network administrator must purchase a modular router with an ISDN BRI-U card.
第6题:
A. Integrated Service其实也就是RSVP
B. Integrated Service采用RSVP作为它的信令机制
C. RSVP是一个多用途的协议,除了Integrated Service之外,RSVP还可用于其它领域
D. Integrated Service适合于在骨干网上大量应用
第7题:
A. Differenciated Service无须信令协议
B. Differenciated Service里,去往不同目的地的分组获得的服务是不同的
C. Differenciated Service里,来自不同信源的分组获得的服务是不同的
D. 在Differenciated Service无须象integrated Service一样分别为每个流维护软状态(soft-state)信息
E. Differenciated Service适合于在骨干网上应用
第8题:
A.Best-EffortService模型
B.Integrated Service。模型
C.Differentiated Service模型
D.FIFO Service模型
第9题:
A.先进先出
B.保证服务
C.负载控制服务
D.类似ISDN的服务
第10题:
What are two advantages that the Cisco 3900 Series Integrated Services Routers have over the rest of the integrated services routers? ()