一般认为决定局域网特性的主要技术有三个，它们是(20)。
- A．传输媒体、差错检测方法和网络操作系统
- B．通信方式、同步方式和拓朴结构
- C．传输媒体、拓扑结构和媒体访问控制方法
- D．数据编码技术、媒体访问控制方法和数据交换技术
-
(38)
- A．connecting
- B．contained
- C．completing
- D．competing
-
(37)
- A．characteristics
- B．address
- C．links
- D．page
-
(35)
- A．database
- B．document
- C．graphic
- D．text
-
(36)
- A．event
- B．table
- C．function
- D．objects
-
Microsoft's COM is a software architecture that allows applications to be built from binary software components. COM is the underlying(71)that forms the foundation for higher-level software services, like those provided by OLE. COM defines a binary standard for function calling between components, a way for components to dynamically discover the interfaces implemented by other components, and a mechanism to identify components and their interfaces uniquely.
OLE is a compound(72)standard developed by Microsoft. OLE makes it possible to create(73)with one application and link or embed them in a second application. Embedded objects retain their original format and(74)to the application that created them. Support for OLE is built into the Windows and MacOS Operating Systems. A(75)compound document standard developed mainly by Apple and IBM is called OpenDoc.
- A．architecture
- B．structure
- C．procedure
- D．protocol
-
(32)
- A．framing
- B．message
- C．circuit
- D．packet
-
(33)
- A．H.320
- B．H.322
- C．H.323
- D．H.324
-
(31)
- A．quality
- B．frequency
- C．length
- D．quantity
-
(30)
- A．waste
- B．save
- C．get
- D．put
-
从事电子商务活动要求具有的技术有(58)。
- A．网站建设、安全控制技术、网上支付技术、网上营销技术
- B．网站建设、数据加密技术、网上支付技术、网上营销技术
- C．网站建设、数据加密技术、网上支付技术、网上认证技术
- D．网站建设、网络认证技术、网上支付技术、网上营销技术
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