Sunday, April 22, 2018

Mobile TCP





















Saturday, April 14, 2018

Assignment II Class: BE (IT) Subject: MC Academic Year 2017-18 Sem II

    MGM's College of Engineering, Nanded.
    Department of IT
    Academic Year  2017-18  Sem II
    Assignment II
    Class: BE (IT)   Subject: MC

     1.      A person is enjoying music on Bluetooth headset, which physical link is used? Why? Explain the characteristics of this link.
    2.      A data is exchanged between a laptop and smartphone, which physical link is used? Why? Explain the characteristics of this link.
    3.      Define Bluetooth Piconet and Scatternet. How they are formed?
    4.      Draw and explain the Bluetooth protocol of stack.
    5.      Draw and explain the baseband states of a Bluetooth device.
    6.      What are the components of GSM architecture? Enlist and briefly explain with appropriate diagram.
    7.      Define handover in GSM networks. A mobile phone user has travelled from Nanded to Delhi for 3 days, which handover will take place and how? How mobile services will be provided to the user in Delhi and billing is done for the service?
     8.      How a SIM card gets authenticated in GSM networks ?
     9.      A GSM operator is using 890-915 MHz uplink frequency band, (i) how many channels are formed (ii) Size of each channel (iii) how many TDMA slots per channel are available?
     10.  What are the different logical channels in GSM? Explain their functions.
     11.  Enlist the building blocks of 3G system with their functions.
     12.  Draw the UTRAN architecture in 3G.
     13.  What are the different types of handover in 3G networks.
     14.  Compare UMTS and HSDPA.
     15.  Which are the additional components in LTE architecture not present in 3G? Why
     16.  Write short notes on : Characteristics of 4G.


Faculty Incharge: Hashmi S A

Friday, April 13, 2018

Class: TE (IT) Subject: CN Academic Year 2017-18 Semester II Assignment II


      MGM's College of Engineering, Nanded
      Department of IT
      Academic Year 2017-18  Semester II
      Assignment II 
      Class: TE (IT)        Subject: CN
      
      1.      Discuss Subnetting and Supernetting with example.
      2.      What are different types of ICMP Messages? An ICMP message has arrived with the header (in hexadecimal):
03 0310 20 00 00 00 00
What is the type of the message? What is the code? What is the purpose of the message?   
3.      Compare (i) TCP with IP (ii) TCP with UDP.
       4.      What are properties of transport layer services? Explain in brief.
       5.      Draw and explain the fields of TCP segment format. What is the maximum size of the TCP header? What is the minimum size of the TCP header?
      6.      What are the different control fields in TCP segment? What can you say about the TCP segment in which the value of the control field is one of the following:
a. 000000
b. 000001
c. 010001
d. 000100
e. 000010
f. 010010
      7.      What are the different options in TCP segment? If the value of HLEN is 0111, how many bytes of option are included in the segment?
      8.      The following is a dump of a TCP header in hexadecimal format.

                  (05320017 00000001 00000000 500207FF 00000000)

a. What is the source port number?
b. What is the destination port number?
c. What the sequence number?
d. What is the acknowledgment number?
e. What is the length of the header?
9.    What is Silly Window Syndrome? How it is solved in TCP?
10.  Draw and explain the format of UDP packet. The following is a dump of a UDP header
             in hexadecimal format.
                             CB84000D001C001C
a. What is the source port number?
b. What is the destination port number?
c. What is the total length of the user datagram?
d. What is the length of the data?
11. Define autonomous system. Which protocol is used for communication between
            autonomous systems?  
12. Contrast and compare distance vector routing with link state routing.
13. Draw and explain the fields of RIP message format.
14. Draw and explain the fields OSPF message format.
15. Change the multicast IP address 238.212.24.9 to an Ethernet multicast address.
16. Write short notes on : (a) IGMP  (b)  DHCP

        
  Faculty Incharge: Hashmi S A