Semester II (2015-16) Class: TE(IT) Subject: A C N Assignment III

MGM’s College of Engineering, Nanded.
Department of IT
Semester II (2015-16)
Class: TE(IT)       Subject: A C N       Assignment III

1.      Draw a general format of ICMP messages and explain the types of ICMP messages.

2.      Define ports, connections and end points.

3.      Explain the features of reliable delivery service.

4.      Draw and explain TCP segment format.

5.      How congestion is controlled by TCP? Explain in detail.

6.      Explain Nagle’s algorithm for silly window syndrome.

7.      Explain source quench and time exceeded ICMP messages with their formats.

8.      What are the functions of CODE BITS field in the TCP header?

9.      Discuss the different TCP options from the TCP segment.

10.  Explain the flow control mechanism in TCP.

11.  What is idea behind sliding windows?

12.  What is classless addressing? Also explain supernetting.

13.  The following is a dump of TCP header in hexadecimal format:

(05320017 00000001 00000000 500207FF 00000000)16

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?

f. What is the type of the segment?

g. What is the window size?

14.  Suppose a TCP connection is transferring a file of 5,000 bytes. The first byte is numbered 10,001.

What are the sequence numbers for each segment if data are sent in five segments, each carrying

1,000 bytes?

15.  Explain (i) Record Route Option and (ii) Source route option IP.

16.  Compare subnetting and supernetting in TCP/IP.

Faculty Incharge: Hashmi S A

2015-16 Sem II Class: BE(IT) Subject: MC Assignment II

MGM’s College of Engineering, Nanded.
Department of IT
Semester II (2015-16)
Class: BE(IT)       Subject: MC         Assignment II
___________________________________________________________________

1. What are the inter-frame spaces in 802.11? How much time does a 802.11 mobile node have to wait to send CTS signal, and why?
2. Discuss DFWMAC-DCF using CSMA/CA for wi-fi MAC layer.
3. How the hidden terminal problem is solved in IEEE 802.11?
4. Draw and explain IEEE 802.11 MAC packet structure. A receiver receives the following first 10 bits in a packet:

           0001101101

What are the contents of this packet?

5. What are the functions of 802.11 MAC management layer?
6. Compare the power management in 802.11 infrastructure and ad-hoc networks.
7. Which physical interface is used in Bluetooth headset? Why?
8. Draw and explain Bluetooth protocol stack.
9. Define (i) Piconet (ii) Scatternet (iii) LMP and L2CAP.
10. What are the fields of Bluetooth packet header? If an acknowledgement of packet is required, then which fields are set?
11. Draw and enlist major baseband states of a Bluetooth device.
12. What are the major components of GSM architecture? Draw and explain.
13. Why AUC, EIR and OMC are present in OSS of GSM.
14. An app is designed for sharing data between two mobile phones using bluetooth, which physical interface of Bluetooth will be used and why?
15. What are the functional differences between BTS and BSC?
16. What are the components of a GSM mobile station? Which component hides radio details in mobile station?

Faculty Incharge: Hashmi S. A.

2015-16 Subject: A C N Assignment II Class: TE(IT)

MGM’s College of Engineering, Nanded.
Department of IT
Semester II (2015-16)
Class: TE(IT)       Subject: A C N       Assignment II

1.      Draw and explain ARP and RARP protocol format.

2.      Draw and explain the header format of IPv4.

3.      Explain classful addressing in TCP/IP.

4.      Explain the concept of (i) datagram encapsulation, (ii) network MTU, (iii) and multiplexing at IP and TCP layers.

5.      Change the following IPv4 addresses from binary to hexadecimal notation.

i)10000001  00001011  00001011  11101111

ii)11000001  10000011  00011011  11111111

6.      What is proxy ARP? Explain with example.

7.      What is ARP? Exaplain ARP cache timeout.

8.      For the following addresses, find the class, the block and the range of addresses:

(i)                 10.1.1.1     (ii) 147.55.1.1  (iii) 215.121.74.1

9.      Calculate the checksum for the following IP datagram

4	5	0	35
2F			0	0
4	17		0
198.169.11.2
195.167.19.9

10.  Change the following IP addresses from dotted-decimal notation to binary notation.

(i)                 115.57.45.80  (ii)  215.210.211.198  (iii)  71.15.10.12

11.  Find the error, if any, in the following IP addresses:

(i)                 110.075.79.85   (ii)  75.91.279.15  (iii)  260.074.155.261

12.  Find the class of the following IP addresses, and give explanation for it:

(i)                 11000001  10000011   00011011 11111111

(ii)               00100001  00001011   00001011 11101111

(iii)             10010001 00001011   00001011 11101111

13.  Define : (i) Multihomed host (ii) Directed broadcast address (iii) Limited broadcast address (iv) Loopback address.

14.  (a) An IP packet has arrived with the first 8 bits as shown:

                                       ç  01100010

     The receiver discards the packet. Why?

(b) In an IP packet, the value of HLEN is 1010 in binary. How many bytes of options are being carried by this packet?

15.  (a) In an IP packet, the value of HLEN is 5 (decimal) and the value of the total length field is 28 (decimal). How many bytes of data are being carried by this packet?

(b) In an IP packet, the value of HLEN is 0A (hex) and the value of the total length field is 0A2F (hex). How many bytes of data are being carried by this packet?

16.  An IP packet has arrived with the hexadecimal digits as shown below:

ç  450000380d3a00000201bb6ec0a802034a7de2f4

How many hops can this packet travel before being dropped, The data belong to what upper layer protocol, What is identification value, what is the value for checksum, what is source and destination address?

Faculty Incharge: Hashmi S A

Class: BE(IT) Subject: MC Assignment-I Semester II (2015-16)

MGM’s College of Engineering, Nanded.
Department of IT
Semester II (2015-16)
Class: BE(IT)       Subject: MC         Assignment I
________________________________________________________

1.     Give comparison between FDMA, TDMA, SDMA and CDMA.

2.     What are the design goals of wireless LAN? Why?

3.     What are advantages of radio communication over IR communication?

4.     Enlist applications of mobile and wireless communication.

5.     What are the drawbacks of mobile and wireless communication? Explain.

6.     Give comparison between wireless networks and fixed networks.

7.     What are the different digital modulation techniques? Discuss in brief.

8.     Compare 802.3 and 802.11 standards.

9.     Draw and explain IEEE 802.11 infrastructure-based architecture.

10. Draw and explain IEEE 802.11 ad-hoc architecture.

11.  State and explain the functions of 802.11 layers

12.  What additional functions are required for wireless MAC protocol? Why?

13.  Draw and explain IEEE 802.11 FHSS frame format.

14. What are the similarities and differences between 802.11 FHSS and DSSS frame formats?

15.  A ftp protocol delivers a pdf file of 10MB on 802.11 network having 2Mbps speed. Calculate the size of FHSS, DSSS frames and time required for transmission.

16. Calculate Ethernet frame size for the above transmission of Q.15.

Faculty Incharge: Hashmi S A

Class: TE(IT) Subject: A C N Assignment I Semester II (2015-16)

MGM’s College of Engineering, Nanded.
Department of IT
Semester II (2015-16)
Class: TE(IT)       Subject: A C N       Assignment I

1.      Draw the architecture of Internet. Explain its components.

2.      Enlist and explain the properties of internet.

3.      What services are provided by network-level of internet? Discuss in detail.

4.      Explain in detail application-level services of internet.

5.      Draw and explain different fields of Ethernet frame.

6.      Compare connection-oriented and connectionless delivery systems.

7.      Enlist the advantages and drawbacks of packet-switching networks.

8.      What are the advantages of circuit-switching networks over packet-switching? Why?

9.      Explain the layers of network protocol used for World Wide Web.

10.  What connecting devices are used at layer-1, layer-2, and layer-3 in internet? Explain their characteristics and functions.

11.  What addresses are used at layer-1, layer-2, and layer-3 in internet? Explain briefly.

12.  Explain the application programs at your site that use TCP/IP.

13.  What is Ethernet address? What are its properties?

14.  Calculate the time required to download a 2GB file on an internet having speed of 100Mbps.

15.  What is an IP address? What are the desirable properties of IP address? What is signified by prefix and suffix of IP address?

16.  What are the differences between Ethernet address and IP address?

Faculty Incharge: Hashmi S A

Assignment III DMDW 2015-16 BEIT

MGM’s College of Engineering, Nanded.
Department of IT
Semester I (2015-16)
Class: BE(IT)       Subject: DMDW         Assignment III
_________________________________________________________________

1.  For the following transaction database, find out the frequent itemsets with support  ≥ 50 %.

Tid	Items
T1	N, P, O, M
T2	E,P,O
T3	N, B, M, F
T4	N, V, D, Z
T5	D,P,P,M
T6	P, O

2. Discuss the essential steps of apriori algorithm.

3. For the above transaction database, find the itemsets having confidence ≥ 60 %.

4. What are the differences between Classification, Clustering & Prediction ?

5. What are the various forms of presenting and visualizing the discovered patterns?

6. What is information gain? How Information Gain is calculated?

7. For the following dataset, calculate Information Gain for attribute age.

 

 

8. Discuss the Multilevel Association Rules mining for transaction database.

9. State and explain the Bayesian algorithm.

10. Create a Naïve Bayesian Classifier for the following dataset. Classify the sample      X={ rain, hot, high, false }

                                               

                      

      

11.Explain the decision tree induction algorithm.

12. What are the different techniques to calculate the distance between patterns?

13. Explain the different types of cluster analysis methods and discuss their features.

14. Describe k-means algorithm and discuss its strengths and weaknesses.

15. Discuss the taxonomy of web mining.
16. The following table shows a set of paired data where x is the number of years of work experience of a college graduate and y is corresponding salary of the graduate. There is a linear relationship between the two variables, x and y. Use Straight-line regression method with least squares and predict the salary of a college graduate with 10 years of experience.

x years experience	y salary (in $1000s)
5	32
10	59
11	66
15	74
5	38
8	45
13	61
23	92
3	22
18	85

      

Faculty Incharge: Hashmi S A