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1. JAIPUR NATIONAL UNIVERSITY, JAIPUR
School of Distance Education & Learning
Internal Assignment No. 1
Master of Computer Applications (MCA)
Paper Code: MCA-106
Paper Title: Computer Networks & Internet Concept
Last Date of submission: Max. Marks: 15
Note: Question No. 1 is of short answer type and is compulsory for all the students. It carries 5
Marks. (Word limits 50-100)
Section-A
(i) Draw the general block diagram of communication model.
(ii) Name the two major categories of transmission media.
(iii) Name the OSI layers.
(iv) What is Ethernet? Write the name of few Ethernet.
(v) What is LAN and WAN?
Section-B
Note: Answer any two questions. Each question carries 5 marks (Word limits 500)
Q.1. Explain about types of Networks in details.
Q.2.Describe in details about Wireless transmission.
Q.3.Describe in details about function of the OSI layers.

2. JAIPUR NATIONAL UNIVERSITY, JAIPUR
School of Distance Education & Learning
Internal Assignment No. 2
Master of Computer Applications (MCA)
Paper Code: MCA-106
Paper Title: Computer Networks & Internet Concept
Last Date of submission: Max. Marks: 15
Note: Question No. 1 is of short answer type and is compulsory for all the students. It carries 5
Marks. (Word limits 50-100)
Section-A
(i) Define IEEE 802.3(CSMA/CD).
(ii) What is TCP/IP and UDP?
(iii) Define IP?
(iv) What is Firewall? and Write the types of Firewall.
(v) What is Virus? and Write the various types of Viruses.
Section-B
Note: Answer any two questions. Each question carries 5 marks (Word limits 500)
Q.1. Explain the media access control.
Q.2.Explain the following in brief:
(A) SMTP (B) FTP (C) DHCP (D) URL
Q.3.Write the difference between following:
(A) steganography and cryptography (B) symmetric-key and encryption.