April 2000 National Computer Level 3 (b) written test paper (below) (51) The three elements of the network protocol are grammar, semantic and a) working principle b) Timing c) process D) Service primitive (52) In the TCP / IP Reference Model, Email Protocol SMTP Depending on the Transport Layer A) UDP Protocol B) IP Protocol C) TCP Protocol D) 802.2 Protocol (53) IEEE802.2 The 10BASE-T standard is specified in use 5 types When straded, the maximum distance from the NIC to the hub is a) 100M b) 185m c) 300m d) 500m (54) 100 Mbps Fast Ethernet and 10 Mbps Ethernet work principle is mainly in a) Media Access Control Method B) Physics Layer C) Network Layer D) Send Clock Cycle (55) In Client / Server Computing Mode, the function of Middle Subscriber MiddleWare is Isolation Application and a) Structured Query Language SQL B) Application Process C) Network D) IP Address ( 56) When the user applies for an Internet account to the ISP account, the user's E-mail account should include a) IP address B) WWW address c) User password D) User Name and user password (Password) (57 A) hypertext technology b) HyperMedia technology d) HyperMedia technology d) HyperMedia Technology D) HyperMedia Technology D) Hyper Text Marker Word HTML Note: (58), (59), (60) three questions, three levels (information management, numerical calculation, auxiliary design), candidates choose one group, multiple selection invalid. Information Management: (58) The computer management information system has its specific content, the following I. Transaction II. Information management III. Decision support IV. Which of the office is not part of its solid content? A) III and IV B) I and II C) II and III D) I and IV (59) Successful factors for establishing a corporate management information system may involve a variety of, and the key success factors are generally considered to be a) business personnel demand B) High-level management The participation of the staff c) Construction of the network system D) The primary method of computer personnel (60) The prototyping method is an effective method for information system development. Which of the following (some) must be required when implementing the prototyping method? I. Experienced prototypes II. There is a fast development tool III. A) Accumulation of prototype systems A) only I b) only II C) I and II D) are all numerical calculations: (58) Using numerical methods to solve multiple learning The error of the solution and accuracy of the solution should contain which (some) errors should be included. I. Truncation error II. Rounding error III. Model error IV. Excessive error difference A) I and II B) I, II and III C) III and IV D) are (59) numerical points based on the selection of numerical rejuvenation formulas, usually in order to improve the condity of conjunction, a) Selecting a better approximation function B) adopt resolution formula C) Choose a more complex seasoning formula D) Reduce the integration step length (60) to solve the two types of iterative method and accuracy, in order to improve the calculation in the use of accurate method, the method of commonly used is a) French b) Gaussian went C) Master Dimensioner D) Phase Solution Auxiliary Design: (58) CAD Graphics is mainly based on the Cartesian coordinate system, in the application to simplify the coordinate system of geometric transform operations is called A) Metallic Coordinate System B) Universal Coordinate System C) User Coordinate System D) Device Coordinate System (59) Geometric Modeling is one of the core technologies of CAD, in common methods, with outlines to describe the actual object, called A) Curve Model B) Frame Model C) Substorms D) Topology Model (60) Image Treatment Technology is the purpose of clear image, with a particular effect, in which the extraction of image features is a) image Enhance B) Image Recovery C) Image Recognition D) Image Compression 2) Filling Blanks (2 points for each empty, a total of 40 points) Please write each empty correct answer on the answer sheet [1] - [20] serial number horizontal line On the answer on the test paper.
