【名词&注释】
逆变器(inverter)、忠诚度(loyalty)、双绞线(twisted-pair)、变送器(transmitter)、政府指导价(government referential price)、市场调节价(market adjusting price)、呼叫转移(call transfer)、电信条例(telecommunications regulations)
[单选题]()使用户得知有另一方想与他通话.
A. 呼叫等待
B. 呼叫转移(call transfer)
C. 呼叫排队
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举一反三：
[单选题]根据电信条例(telecommunications regulations)，我国增值电信业务资费实行（ ）。
A. 政府定价或者政府指导价
B. 政府定价或者市场调节价(market adjusting price)
C. 完全市场调节价(market adjusting price)
D. 市场调节价(market adjusting price)或者政府指导价
[单选题]including the use of low-loss low-nonlinearity(94)
A. optical fiber
B. traffic
C. internet
D. signaling
[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]下列不属于操作系统功能的是（ ）。
A. 存储管理
B. 设备管理
C. 文件管理
D. 数据库管理
[单选题]字长是CPU一次性处理的数据位数，是衡量计算机性能的重要指标，现今流行的主要职能手机CPU字长为（ ）。[1分]
A. 8位
B. 16位
C. 32位
D. 64位
[单选题]通过提升客户忠诚度，满意度和客户终身价值，实现利润增长的是（ ）。
A. 生产观念
B. 产品观念
C. 销售观念
D. 市场营销观念
[多选题]阅读下面的短文，回答问题 [When an IP packet arrives at a router, generally the router looks at the destination address of the packet, and forwards the packet to one of its network interfaces. The forwarding decision is usually done by looking up the destination address from another data structure called a forwarding table. The forwarding table is created by the router using the routing table and possible routing policies existing in the router. The router then creates a table where it lists which networks are accessible through which of the router’s network interfaces. An IP router looks at every IP packet individually and does the forwarding decision on a packet-by-packet basis. If something changes in the router’s routing table, a packet can take a different route from a preceding packet even if it has the same destination.] From the paragraph above，we can see that the router （ ） a forwarding table according to the routing table and possible routing policies existing in the router. When an IP packet arrives at a router, the （ ） part of packet is normally checked by the router. An IP router checks every IP Packet individually and makes the forwarding decision based on （ ）.
A. is generating
B. generate
C. is generated
D. generates A．forwarding table
E. network interfaces
F. routing policies
G. destination address A．the destination address and network interfaces
H. forwarding table and network interfaces
I. the destination address and forward table
J. routing policies and routing table
[单选题]电源设备的电压值通过（ ）转换为监控设备可以识别的标准输出信号。
A. 传感器
B. 变送器
C. 逆变器
D. 控制器
[单选题]市场细分首先应考虑的是（ ）
A. 市场分类
B. 产品分类
C. 顾客分类
D. 品牌分类
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