按变量之间关系的密切程度区分，相关关系可以分为正相关和负相关。（）

A Next Generation Network(NGN) is a (上题选择) network ,which is able to provide Telecomunication Services ti users and to make use of multiple broadband, QoS-enable transport technologies and in which service-related functions are () of the underlying transport-related technologies.

A.dependent

B.independent

C.related

D.depend

A、接入层

B、传送层

C、控制层

D、业务层

effectively support various kinds of fixed and mobile broadband services，such as up-and down-loading You tube and SNS（Social Networking Services）with rich video file，as well as broadband mobile Internet services. Such All-IP network is called NGN（Next Generation Network），which guarantees secure authentication and QoS such as the bandwidth and the delay. From the service point of view，convergence of fixed and mobile communications，known as FMC（Fixed Mobile Convergence）is becoming a key increasing new services and expanding the market.】 Form the paragraph above，we can see that（）can be defined as a network that can effectively support various kinds of fixed and mobile broadband services，with guaranteed QoS in terms of（）and etc. And the key to develop new services and gain larger market share should be（）

A．All-IP access network B．broad band network C．NGN D．social network A．data rate B．error rate C．availability D．band width， delay A．mobile communications B．Internet C．All-IP core network D．Fixed Mobile Convergence

A．A.第五代移动通信技术(5th generation mobile networks)

B．B.第五代网络通讯技术(5th generation network)

C．C.第五次通讯技术革新(5th mobile network revolution)

D．D.第五次网络技术革新(5th network revolution)

A. The network was originated via redistribution of an interior gateway protocol into BGP.

B. The network was defined by a static route.

C. The network was learned via IBGP.

D. The network was learned via EBGP.

E. The network was originated via a network or aggregate command.

A.an OSPF update for network 192.168.0.0/16

B.a static router to network 192.168.10.0/24

C.a static router to network 192.168.10.0/24 with a local serial interface configured as the next hop

D.a RIP update for network 192.168.10.0/24

E.a directly connected interface with an address of 192.168.10.254/24

F.a default route with a next hop address of 192.168.10.1

A.a directly connected interface with an address of 192.168.10.254/24

B.a static route to network 192.168.10.0/24

C.a RIP update for network 192.168.10.0/24

D.an OSPF update for network 192.168.0.0/16

E.a default route with a next hop address of 192.168.10.1

F.a static route to network 192.168.10.0/24 with a local serial interface configured as the next hop

Where has Orascom Telecom planned to set up a third generation mobile network？

A．In the Middle East.

B．In Africa.

C．In North Korea.