IGNOU Bca 5th Sem Assignments 2011

Question 1: Explain the difference between an expert and a novice user. How would your strategy for designing user interfaces for an expert user differ from that for designing user interfaces for a novice user. (10 Marks) Question 2: How can successful and thorough systems planning, analysis, and design be ruined by poor systems construction [...]

Question 1: Draw the IP datagram header format. “IP datagram has a checksum field still its called unreliable protocol.” Justify. (3 Marks) Question 2: Write a client and server program in C language using UDP, where client program interact with the Server as given below: i) The client begins by sending a request to send [...]

Question 1: Describe the following: (i) DNS (ii) Name Resolution (iii) Subnet Masking (iv) Urgent Pointer (20 Marks) Question 2: How does the TCP handle the issue of multiplexing? (10 Marks) Question 3: (i) Identify the address classes of the following IP address: (a) 255.255.190.0 (b) 216.111.52.12 (c) 150.156.10.10 (6 Marks) (ii) Suppose the class [...]

Question 1: Differentiate the followings with appropriate examples: (20 Marks) (i) Local and Remote Bridges (ii) Constant Bit Rate and Variable Bit Rate (iii) Time Division Multiplexing and Frequency Division Multiplexing (iv) Datagram and Virtual Circuit (v) Analog and Digital Signal Question2: (i) Explain through examples the followings in terms of TCP reference model. (5 [...]