Internet Technologies (October – 2013) [IDOL - Revised Course | Question Paper]

Internet Technologies (October - 2013) [IDOL - Revised Course | Question Paper]

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Time: 3 Hours
Total Marks: 100

NOTE:
(1) All Question are Compulsory.
(2) Make Suitable Assumptions Wherever Necessary And State The Assumptions Made.
(3) Answer To The Same Question Must Be Written Together.
(4) Number To The Right Indicates Marks.
(5) Draw Neat Labeled Diagrams Wherever Necessary.
(6) Use of Non-Programmable Calculator is allowed.

Q.1. ATTEMPT ANY TWO QUESTIONS: (10 MARKS)
(A) Explain the use of Time Exceeded Message of ICMP.
(B) List different types of BGP Messages and write the purpose of each.
(C) Explain the following fields with respect to TCP Segment.
     (i) Sequence Number
     (ii) Acknowledgment to TCP Segment
     (iii) Header Length
     (iv) Window Size
     (v) Urgent Pointer
(D) Explain the Header Lines used in HTTP Request Message.

Q.2. ATTEMPT ANY THREE QUESTIONS: (15 MARKS)
(A) List and explain the fields of IP Datagram used for fragmentation.
(B) Explain the concept of Auto-Configuration with suitable example.
(C) Find the errors and rewrite the following IPv4 Addresses:
     (i) 427.45.12.47
     (ii) 40.040.35.7.8
     (iii) A0.37.27.255
     (iv) 27.01010101256.23
     (v) 27.56.78.256
(D) Differentiate between OSI and TCP/IP.
(E) Explain the record option of IPv4 with suitable example.
(F) Explain the concept of sub-netting with suitable example.

Q.3. ATTEMPT ANY THREE QUESTIONS: (15 MARKS)
(A) What is the use of Query Messages? Explain any one.
(B) List and explain the use of timers used by RIP.
(C) List and explain the different types of links in OSPF.
(D) Explain the Input Module of ARP.
(E) List the phases of the Mobile Hosts in order to communicate with the Remote Host. Explain.
(F) What is link State Routing? Explain with suitable.

Q.4. ATTEMPT ANY THREE QUESTIONS: (15 MARKS)
(A) List and explain various features od TCP.
(B) Explain the INIT Chunk of SCTP.
(C) Explain with examples how checksum is calculate in UDP.
(D) What is Silly Window Syndrome? How is it created by the sender? Give the solution.
(E) Explain the Maximum Window Size and Window Scale Factor options of TCP.
(F) Explain the Half-Close Operation of TCP.

Q.5. ATTEMPT ANY THREE QUESTIONS: (15 MARKS)
(A) Explain the Character Mode and Line Mode of TELNET Operation.
(B) List and explain the components of SSH.
(C) List and explain various modes of telnet.
(D) Explain the following states of DHCP State Transition Diagram:
     (i) Selecting
     (ii) Requesting
     (iii) Bound
     (iv) Renewing
     (v) Rebinding
(E) List types of messages in DNS. Explain in short.
(F) Explain the Read Request and write Request Messages of TFTP.

Q.6. ATTEMPT ANY THREE QUESTIONS: (15 MARKS)
(A) Write the purpose of any four MIB Objects.
(B) Write a short note on URL.
(C) List and explain the Positive Completion Responses of SMTP.
(D) Explain the integrated and differential services.
(E) Write the functions of IMAP4 that are not carried out by POP3.
(F) Explain the term MTA.

Q.7. ATTEMPT ANY THREE QUESTIONS: (15 MARKS)
(A) Write a TCP Server code in JAVA to return the reverse of the number sent by client.
(B) Explain the concept of socket with example.
(C) Write a short note on Socket and ServerSocket Classes.
(D) Write a JAVA Code for TCP server application to check whether the number is odd or even.
(E) What is Network Interface? Explain how network interfaces are retrieved.
(F) Write a JAVA code for UDP Server application to check whether the number is divisible by 15 and 27.