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2 Computer Science and Information Technology (CSc. 401) Pass Marks: 24 (Advanced Java Programming) Section A Attempt all questions. (2*10=20) 1. What are exceptions? Why is it important to handle exceptions? Discuss different keywords that are used to handle exception. 2. Write a program using components to add two numbers. Use text fields. For inputs and output. Your program should display the result when the user presses a button. (10) 3. What is Java bean? Differentiate it with Java class. Discuss bean writing process with suitable examples. (2+2+6) Section B Attempt any eight questions. (8*5=40) 4. Discuss the use of interfaces to actueve multiple inheritance. 5. Discuss the use of multithreading with suitable example. 6. What is JDBC? How do you execute SQL statements in JDBC? 7. Discuss grid layout with suitable example. 8. Discuss any five classes to handle tiles in java. 9. What is ISP? Differentiate it with servelet. 10. What is UDP socket? Differentiate it with TCP socket. 11. How can you handle events using adapter classes? Discuss. 12. What is RMI? Discuss architecture of RMI in detail. 13. Write a simple ISP program to display "Kathmandu, Nepal" 10 times.

3 Computer Science and Information Technology (CSc. 401) Pass Marks: 24 (Advanced Database Management System) All questions carry equal marks. Attempt all questions. (10*6=60) 1. Explain the following terms. Data Mining ECA model Spatial Databases Specialization and generalization in an EER model XML and HTML GIS 2. How can you convert an EER design to relational design? Discuss with suitable example. 3. What is OID? How persistent objects are maintained in OO Database? 4. Discuss the relative advantages of centralized and distributed database. 5. Describe different implementation issues with object relational database system. 6. Discuss the different techniques for executing an equijoin of two files located at different sites. What main factors affect the cost of data transfer? 7. Differentiate between attributes and elements in XML? List some of the important attributes used in specifying elements in XML schema. 8. Distinguish object oriented database and object relational databases. 9. What is data warehouse? How does it differ from a database? 10. Explain mobile computing architecture with suitable diagram.

4 Computer Science and Information Technology (CSc. 406) Pass Marks: 24 (Database Administration) Group A Attempt All Questions (2*10=20) 1. Explain the database management system and also describe the database management system architecture. 2. How can you design the plan of backup, recovery and security of an organization? Explain. 3. Explain the control and Redo log files with applications. Group B Attempt any Eight questions. (8*5=40) 4. What do you mean by SQL and PLUS? Explain. 5. Explain the advanced stored procedures.ans PLSQL and its structure 6. Explain the testing the backup and recovery plan. 7. What do you mean by database corruption? How can you maintain the database corruption? 8. Describe the SQL Tuning Advisor with example. 9. What do you mean by virtual private database? 10. Explain the parallel instance recovery with example. 11. What do you mean by automatic storage management? Explain. 12. Explain the tuning methodology with example. 13. Write short notes on: a. AADM (Automatic Diagnostic Monitor) b. RMAN

5 Computer Science and Information Technology (CSc. 402) Pass Marks: 24 (Internet Technology) Attempt All Questions (12*5=60) 1.a. Explain the internet domain and domain name system. [8] b. What do you mean by teleports and terrestrial links? Explain. [4]. 2.a. Define TCP/IP. Differentiate between IP*4 and IP*6. [2+6] b. Explain internet RFCs. [4] 3.a. Explain the N tired client server Architecture. [8] b. Define the terms PGP and POP. [4] 4.a. Define HTTP. Differentiate between HTML and DHTML. [2+6] b. What do you mean by AJAX? [4] 5. a. Expalin the designing of Internet system network architecture. [8] b. What do you mean by content filtering? [4] 6. Explain the intranet implementation guidelines. What are the benefits and draebacks of intranets?[3+4] 7. Write short notes on. (Any 3) [4*3=12] a. INAP b. RADIUS c. VPN d. IRC e. Cloud computing.

6 Office of the Dean Model Question FM: 60 PM: 24 Time: 3 Hrs. BSc. CSIT /Seventh Semester/Network and System Administration Attempt any FIVE Questions. 1. [a] What do you mean by Networking Protocols? Compare TCP/IP with OSI Reference Model. [3+3] [b] How many ways a Linux client acquire IPv4 address? Explain. [6] 2. [a] Explain the Linux booting process with server installation steps. [6] [b] What are the usage and importance of cron, anacron and at? Explain the steps to configure and enable system logging in Linux. [3+3] 3. [a] What is NATng? Describe iptables configuration for NATng in Linux with example. [3+3] [b] Explain with principle the DHCP server and client communication process. [6] 4. [a] Explain how cashing-only name server works? What is the difference between iterative and recursive approach of DNS queries. [3+3] [b] What is HTTP? Explain the steps to configure HTTP-APACHE server for Linux virtual hosting of the website [1+5] 5. [a] What is SAMBA? How do you administer SAMBA with SAMBA-SWAT? Compare SAMBA with NFS. [2+4] [b] Define the term MUA, MTA, MDA and MAA with protocol example. What do you mean by SMTP relay? [4+2] 6. [a] What are the features of webmin? How do you maintain the security while remote administrating of the Linux server. [2+4] [b] Differentiate between routed and routing protocol. Explain the process of DR/BDR election process in OSPF routing. [2+4] 7. Write short Motes on (Any Three) [4+4+4] [a] Cashing Only Name Server [b] Proxy-ACL [c] NFS Client Configuration [d] SSH Configuration Basics [e] Properties and features of IMAP server

7 New Course Tribhuwan University Network and System Administration Full Marks : 60 Pass Marks : 24 Time : 3 hours Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks. Attempt any five questions. 1.) a.) Explain the Reference Model. (4) b.) what do you mean by switching and routing? Explain the routing algorithm. (6) 2.) a.) Explain the job scheduling with cron. (5) b.) Explain the network interface configuration. (6) 3.) a.) How can you diagnose network startup problem? Explain. (6) b.) How can you use network troubleshooting command? Explain. (6) 4.) a.) Differentiate between IPV4 and IPV6 addressing. (6) b.) Explain the dynamic host configuration protocol (DHCP) principle. (6) 5.) a.) What do you mean by primary and slave name server? Explain. (6) b.) Explain the DNS and its principles. (6) 6.) a.) Explain the configuration process of HTTP server. (6) b.) Explain the proxy-authentication mechanisms. (6) 7.) a.) Write short notes on (any three) : * LVM * TP tables * DNS delegation * proxy ACT * SSH