Which of the following broadband types can provide the MOST available bandwidth?（）
第1题：
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
第2题：
All client computers on your company network run Windows 7 and are members of an Active Directory Domain Services domain. Your company policy requires that all unnecessary services be disabled on the computers. The Sales department staff has been provided with new mobile broadband adapters that use the Global System for Mobile Communications (GSM) technology. You need to ensure that portable computers can connect to the broadband GSM network. Which service should be enabled on the portable computers?（）
A.WLAN AutoConfig
B.WWAN AutoConfig
C.Computer Browser
D.Portable Device Enumerator Service
第3题：
Which of the following is not an AVL tree?
A．
B．
C．
D．
第4题：
第5题：
A.reduced cost
B.better throughput
C.increased security
D.scalability
E.reduced latency
F.broadband incompatibility
第6题：
A. Upgraded copper lines allow maximum speed greater than cable
B. Signal is not shared back to the switch
C. Signal is shared back to the switch
D. Distance is not a factor in signal speed
第7题：
A. Broadband personal comm. Service (PCS)
B. Broadband circuit
C. Infrared
D. Spread spectrum
E. Cable
第8题：
A Next Generation Network(NGN) is a () 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 (下题选择) of the underlying transport-related technologies.
A.ISDN
B.ATM
C.circuit-based
D.packet-based
第9题：
第10题：
Which of the following data network would you implement if you wanted a wireless network that had a relatively high data rate, but was limited to very short distances?（）