【名词&注释】
地理环境(geographical environment)、责任人(person liable)、项目经理(project manager)、双绞线(twisted-pair)、第一次(the first time)
[单选题]与GSM网络相比，GPRS增加了SGSN、CGSN、（）这三种设备来实现分组域的功能。
A. P
B. C
C. F.
D. MS
F. BS
H. P
I. CU
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举一反三：
[多选题]在通信专业中，TDM的英文全称是（），“基带”英文通常翻译为（）。
A. Time
B. Delay Method
C. Transmission
D. Delay Method
E. Time
F. Division Multiplexing
G. Time
H. Dividing Multiplexing
I. sideband B．baseband C．dual band D．single band
[单选题]个人通信是以（ ）为对象的通信技术。[1分]
A. 终端
B. SIM卡
C. 业务
D. 个人
[单选题]【In the forthcoming years,Beyond-3G(B3G) environments will undoubtedly be deployed in most parts around the globe, permitting a world class solution for network interconnection, A B3G context enables the efficient cooperation of existing wireless technologies, including cellular-based(e.g. 2G/3G), broadcast-oriented(e.g. DVB)-in specific DVB-H, and Internet-based(WLAN/WMAN)networks, all relying on enhanced IP as the unifying layer. Hence, in this particular and yet to be deployed environment, mobile, systems and platforms will permit to provide enhanced services to all applications across heterogeneous access networks. This will effectively enlarge the scope of service deployment, availability and accessibility to the users】 Based on the paragraph above, it is shown that (98) will be used as the higher layer protocol to unify cellular networks ,broadcast networks and (99) networks, which is enabled by the context of (100).
A. mobile systems and platforms
B. 3G
C. heterogeneous access networks
D. enhanced IP
[单选题]()能支持全部窄带和宽带的业务.
A. ADSL技术在双绞上的运用
B. HDSL技术在双绞上的运用
C. HFC技术在双绞上的运用
[单选题]进行工程现场勘察、第一次(the first time)环境验收的目的是确保现场勘察符合规范要求，这一环节的责任人是?()
A. 项目经理
B. 项目技术经理
C. 工程督导
D. 工程勘测工程师
[单选题]()最先使得在普通的双绞线上传输T1或E1速率信息成为可能.
A. ADSL
B. HDSL
C. HFC
[单选题]下列移动通信系统中，在不受地理环境和气候条件限制，提供大跨度无盲区全球通信覆盖的能力上，（）最具优势。
A. 卫星移动通信
B. 集群通信 C、无线寻呼
C. 蜂窝移动通信
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