EXCEL GROUP INSTITUTIONS                                        17/12/2015

CENTRE FOR TRAINING & PLACEMENT

CIRCULAR No: T&P/DEC’ 15/04

Pooled Campus interview is arranged as per details below:

We are very happy to inform you that, it is planned to conduct Pooled Off-campus interview by Wipro Technologies, Chennai for MCA & M.Sc (CS/IT) stream students in our college. 

Batch                                                    : 2016 Batch students

Eligible Department                      : MCA /M.Sc (CS/IT) Only

Eligibility                            : 50% in X, XII and 60% in UG & PG, No Standing Arrears 

Date                                                      : 23^rd & 24^th Dec. 2015, Wednesday & Thursday

Time                                                     : 09.00 am 

Venue                                                   : VKR Hall, ECET

Mode of selection                           : Group Discussion, Online Test, Written Communication Test & HR Interview     Designation                              : Project Engineer

Salary                                  : 1.8L Per Annum

Eligible students list is attached.

Note: The candidates are instructed to bring their 2 copies of resume, 2 copies of passport size photograph and photocopies of mark sheets for the interview.

EXCEL GROUP INSTITUTIONS          30/11/2015

CENTRE FOR TRAINING & PLACEMENT

CIRCULAR No: T&P/NOV’ 15/12

On-Campus Interview is arranged as per details given below:

Company                             : M/s. Data Patterns India Pvt. Ltd., Chennai

Date & Time                       : 05.12.2015                                                 

Venue                                  : VKR Hall, ECET

Branch                                 : CSE, IT, ECE, EEE, MCA (2016 batch students)

 The requirements for 2016 are given below:

Ø   Hardware Design Engineer Trainee (Both Boys & Girls)

Qualification: B.E. (ECE/EEE) with 70% and above from 10^th with NSA
Skill sets: knowledge in basics of electronics, basics of digital electronics, LIC, Circuit theory, Microprocessor and Microcontroller concepts.
Written Test: Basics of Analog & Digital Electronics + Aptitude ( 90 minutes).
Salary: CTC Rs. 1,80,000/- annum (with PF & ESI deduction)

Ø  Software Engineer Trainee (Only Boys)
Qualification: B.E. (ECE/EEE, CSE, IT) & MCA with 70% from 10^th with NSA
Skill Sets: C language, C++ concepts, Data Structures, OS concepts, Microprocessor and Microcontroller concepts.
Written Test: C language + Aptitude ( 90 minutes).
Salary: CTC Rs. 1,80,000/- annum (with PF & ESI deduction)

NOTE 1: The written test will be conducted only in the Seminar Hall. All the prospective students shall bring one hard copy of resume with one photograph.
NOTE 2: Only screening will be done in Excel campus and selection of candidates will be done in Chennai SIPCOT IT PARK campus
NOTE 3: After the written test, the test papers will be evaluated by technical faculties in the respective domain in a conference room and final list will be mailed to the host college.

Important Terms & Conditions of Employment:

1. If selected for employment, the candidate will be required to join us as on 1st July 2016 (Friday) 2. You will be on probation for 12 months from the date of joining. 3. On successful completion of your probation period, you will be confirmed. 4. As part of our joining formality, you will be required to enter into a 36 months service agreement (3 year BOND) with us and you need to surrender your original mark sheets/certificates to us for the duration of the agreement. Once the agreement period is over, the certificates will be returned to you. In case you separate from our employment before the agreement period, you will have to pay us a sum of Rs 90,000/- to get formally relieved. 5. Only if the candidates are agreeable to all the above, then they are requested to attend the written test.

Dr.Devakumar Duraisamy  

Director: Industrial Relation & Research Projects. 

              Foreign National Admissions     

Excel Group Institutions,

NH-47, Salem Main Road, Pallakkapalayam, 

Sankari West Post, Pin: 637303. Komarapalayam, 

Namakkal Dist, Tamilnadu, India

www.excelinstitutions.com 

+91 9965523999

Wipro - Technical Questions - Model-1

 1. The format specifier "-%d" is used for which purpose in C

 (a) Left justifying a string       (b) Right justifying a string      (c) Removing a string from the console
(d) Used for the scope specification of a char[] variable          Answer : a

 2. A sorting algorithm which can prove to be a best time algorithm in one case and a worst time algorithm in worst case is  (a) Quick Sort          (b) Heap Sort   (c) Merge Sort              (d) Insert Sort                Answer : a

 3. If the time quantum is too large, Round Robin scheduling degenerates to

 (a) Shortest Job First Scheduling         (b) Multilevel Queue Scheduling         (c) FCFS         

(d) None of the above              Answer : c

 4. Transponders are used for which of the following purposes

 (a) Uplinking  (b) Downlinking          (c) Both (a) and (b)      (d) None of the above  Answer : c

 5. What details should never be found in the top level of a top-down design?

 (a) Details       (b) Coding       (c) Decisions    (d) None of the above  Answer : c
6. Thrashing can be avoided if

 (a) The pages, belonging to the working set of the programs, are in main memory
(b) The speed of CPU is increased       (c) The speed of I/O processor are increased
(d) All of the above      Answer : a

 7. Which of the following communications lines is best suited to interactive processing applications?

 (a) Narrowband channels        (b) Simplex channels   (c) Full-duplex channels
(d) Mixed band channels          Answer : b

 8. A feasibility document should contain all of the following except

 (a) Project name          (b) Problem descriptions          (c) Feasible alternative

(d) Data flow diagrams             Answer : d

 9. In an absolute loading scheme, which loader function is accomplished by assembler

 (a) Reallocation          (b) Allocation              (c) Linking       (d) Both (a) and (b)       Answer : d

 10. Banker's algorithm for resource allocation deals with

 (a) Deadlock prevention         (b) Deadlock avoidance           (c) Deadlock recovery            

(d) None of these          Answer : b
11. A shift register can be used for

 (a) Parallel to serial conversion           (b) Serial to parallel conversion
(c) Digital delay line    (d) All the above           Answer : d

 12. In which of the following page replacement policies, Balady's anomaly occurs?

 (a) FIFO          (b) LRU           (c) LFU            (d) NRU            Answer : a

 13. Subschema can be used to

 (a) Create very different, personalised views of the same data
(b) Present information in different formats
(c) Hide sensitive information by omitting fields from the sub-schema's description
(d) All of the above                  Answer : d

 14. A 12 address lines maps to the memory of

 (a) 1k bytes     (b) 0.5k bytes  (c) 2k bytes      (d) none            Answer : b

 15. What is the main function of a data link content monitor?

 (a) To detect problems in protocols    (b) To determine the type of transmission used in a data link
(c) To determine the type of switching used in a data link      
(d) To determine the flow of data         Answer : a

 16. Which of the following memories has the shortest access time?

 (a) Cache memory      (b) Magnetic bubble memory   (c) Magnetic core memory   (d) RAM 

 Answer : a

17. In a processor these are 120 instructions . Bits needed to implement this instructions

 (a) 6    (b) 7     (c) 10   (d) none            Answer : b

 18. Predict the output or error(s) for the following:

 main()
{
char string[]=”Hello World”;
display (string);
}
void display (char *string)
{
printf(“%s”,string);
}

 Answer : Compiler Error: Type mismatch in redeclaration of function display

 19. What are the values printed by the following program?

#define dprint(expr) printf(#expr “=%d\n”,expr)
main()
{
int x=7;
int y=3;
dprintf(x/y);
}

 (a) #2 = 2        (b) expr=2        (c) x/y=2          (d) none            Answer : c

 20. Parameterization generally involves

 (a) Data table              (b) Random number    (c) Environment           (d) Both A & B           

(e) Both A, B & C         Answer : e

 21. The file which is used for recovering from the run time errors known as

 (a) QRS           (b) TSR            (c) PNG           (d) DAT            Answer : A

 22. Among the following recording modes, which method uses both the objects and mouse coordinates

 (a) Normal      (b) Low level   (c) Analog        (d) All of the above      Answer : b

 23.  Where do you set the action iterations for a specified action?

 (a) Action Settings      (b) Action Properties    (c) Action Run Properties        (d) Action Call Properties

 Answer : d

 24. Where do you mark an action as reusable?

 (a) Action Settings      (b) Action Properties    (c) Action Run Properties        (d) Action Call Properties

 Answer : b

 25. After running a test that contains both input and output parameters, where can the results of an output parameter be found?

 (a) Local Data Sheet   (b) Global Data Sheet  (c) Run-time Data Table          (d) Design-time Data Table

 Answer : c

 26. If you have a Virtual Object Collection stored on your machine, and you don’t want to use it what
you must do?

 (a) Disable Virtual Objects in Test Settings                 (b) Remove the Collection from your machine
(c) Disable Virtual Objects in General Options            (d) Remove the Collections from the Resources list

 Answer : c

 27. For a 25MHz processor, what is the time taken by the instruction which needs 3 clock cycles,

 (a) 120 nano secs        (b) 120 micro secs       (c) 75 nano secs           (d) 75 micro secs

 Answer : a

 28. For 1 MB memory, the number of address lines required,

 (a) 11              (b) 16               (c) 20               (d) 24                Answer : c

 29. Semaphore is used for

 (a) synchronization     (b) dead-lock avoidance          (c) box             (d) none            Answer : a

 30. OLE is used in

 (a) Inter connection in UNIX                          (b) Interconnection in WINDOWS
(c) Interconnection in WINDOWS NT (d)None            Answer : c

 31. Preprocessor does not do which one of the following

 (a) macro        (b) conditional compliclation               (c) in type checking     (d) including load file

 Answer : c

 32. Piggy backing is a technique for

 (a) Flow control          (b) Sequence    (c) Acknowledgement              (d) Retransmission        Answer : c

 33. In signed magnitude notation what is the minimum value that can be represented with 8 bits

 (a) -128           (b) -255           (c) -127            (d)   0                Answer : a

 34. When an array is passed as parameter to a function, which of the following statement is correct

 (a) The function can change values in the original array
(b) In C parameters are passed by value. The function cannot change the original value in the array
(c) It results in compilation error when the function tries to access the elements in the array
(d) Results in a run time error when the function tries to access the elements in the array

 Answer : a

 35. The type of the controlling statement of a switch statement cannot be of the type

 (a) int              (b) char            (c) short           (d) float           (e) none            Answer : d

 36. What is the value of the statement (3^6) + (a^a)?

 (a) 3                (b) 5                 (c) 6                 (d) 18               (e) None                       Answer : b

 37. Consider the following program:

 # include
class x {
public:
int a;
x();www.edugeeks.in
www.edugeeks.in
};
x::x() { a=10; cout<
class b:public x {
public:
b();
};
b::b() { a=20; cout<
main ()
{ b temp;
}

 What will be the output of this program?

 (a) 10  (b) 20   (c) 2010           (d) 1020            Answer : b

Anna University Rank Holders - 2015 batch

Computer Networks - Question bank & Methods

DEPARTMENT OF MCA

MC7301 COMPUTER NETWORKS

UNIT I                  NETWORK FUNDAMENTALS                                                                             

1.      Explain the categories of networks      (8 marks)

Ans:     LAN, WAN, MAN –  diagram & Explanation, uses, differences – each 2 lines – max 3 pages

2.      Explain the OSI model Layer.  (16 marks)

·          OSI –expansion & purpose – 2 lines

·         7 layers names in table format

·         2 functions of each layer – 2 layers per page

·         Need not draw diagrams for each layer – max 5 pages

3.      Explain the TCP/ IP protocol architecture.       (8 marks)

·         Tcp/ip  - explanation in 2 lines

·         5 layers diagram

·         Min 2 functions of each layer

·         Need not draw diagram for each layer

·         Max 3 pages

4.      What is topology? Explain in detail.    (16 marks)

·         Topology – meaning – 2 lines

·         6 types of topology in table format

·         Diagram & explanation

·         2 advantages & disadvantages

·         Max 5 pages

5.      Explain the transmission media                       (16 marks)

·         Transmission media – meaning – 2 lines

·         Wired & wireless transmission – meaning – 2 lines

·         3 types – twisted pair – coaxial – fiber optic cable

·         Diagram  - full page

·         Explanation half page

·         2 advantages & disadvantages

·         Max 5 pages

UNIT II           DATA LINK LAYER                                                                                               

1.      What is flow control? Explain in detail.           (16 marks)

·         Flow control – meaning – 2 lines

·         2 types – stop and wait  - sliding window

·         Stop and wait – meaning – diagram – explanation – 2 advantages & disadvantages

·         Sliding window – meaning – diagram – explanation - – 2 advantages & disadvantages

·         Max 5 pages

2.      What is Automatic Repeat Request (ARQ)? Explain in detail.             (16 marks)

·         Retransmission of lost or damaged frames

·         3 types – stop and wait ARQ – go back n ARQ – selective reject ARQ

·         Meaning – diagram – explanation – 2 advantages & disadvantages

·         Max 5 pages

3.      Briefly explain the error detection techniques with examples              (16 marks)

·         Error control – meaning – 2 lines

·         4 types of error detection techniques

·         VRC – LRC – CRC- Check sum

·         Example – explanation –

·         Max 5 pages

4.      What is MAC? Explain in detail.                      (8 marks)

·         Meaning – 2 lines

·         Frame format – diagram & 1 line explanation

·         Aloha – slotted aloha – CSMA – CSMA/CD (1-persistence, n-persistence, p-persistence) – CSMA/CA (polling, select)

·         Max 3 pages

5.      What is Ethernet? Explain in detail.     (8 marks)

·         Meaning – 2 lines

·         Frame format – diagram & 1 line explanation

·         4 types of Ethernet – standard – fast Ethernet– 1GB Ethernet – 10 GB Ethernet

·         Max 3 pages

6.      What is token ring? Explain in detail.  (8 marks)

·         Meaning -2 lines

·         Diagram – full page

·         Explanation – 1 page

·         Max 3 pages

7.      Briefly explain the wireless LAN architecture (12 marks)

·         Meaning – 2 lines

·         2 types – adhoc & infrastructure – diagrams & explanation

·         BSS (basis service sets) – diagram & explanation

·         ESS (Extended service set) – diagram & explanation

·         Max 4 pages

8.      Explain the Bluetooth architecture.      (8 marks)

·         Meaning – 2 lines

·         2 types – piconet – scatternet

·         Diagrams & explanation

·         Max 3 pages

9.      Explain the bridges                  (6 marks)

·         Meaning – 2 lines

·         3 types – transparent bridge – translation bridge – source routing bridge

·         Diagram & explanation

·         Max 3 pages

UNIT III         NETWORK LAYER                                                                         

1.      What is switching? Explain in details   (6 marks)

·         Meaning – 2 lines

·         3 types – circuit switching – message switching – packet switching

·         Diagram & explanation

·         Max 3 pages

2.      Explain the IP addressing.                    (10 marks)

·         Meaning – 2 lines

·         5 classes of IP addressing – class A – B – C – D – E

·         Diagram & explanation

·         Max 4 pages

3.      Explain the IPV6.                    (8 marks)

·         Meaning – 2 lines

·         Packet format – diagram & explanation

·         Max 3 pages

4.      Explain the ICMP.                   (8 marks)

·         Meaning – 2 lines

·         Packet format – diagram & explanation

·         Max 3 pages

5.      Explain the distance vector routing (DVR) protocol.   (10 marks)

·         Meaning – 2 lines

·         DVR – diagram (full page) & explanation.

·         Max 3 pages

6.      Explain the Link state routing (LSR) protocol.             (10 marks)

·         Meaning – 2 lines

·         LSR – diagram (full page) & explanation.

·         Max 3 pages

7.      Explain the border gateway protocol (BGP).    (6 marks)

·         Meaning

·         Diagram & explanation

·         Max 2 pages.

UNIT IV         TRANSPORT LAYER                                                                                  

1.      Explain the connection establishment in transport layer.         (8 marks)

·         Meaning – 2 lines

·         Connection establishment – data transmission - termination

·         2 way hand shaking – diagram & explanation

·         3 way handshaking - diagram & explanation

·         Max 3 pages

2.      Explain the congestion control techniques.      (16 marks)

·         Meaning – 2 lines

·         2 types – open loop methods – closed loop methods

·         Open loop methods – meaning – retransmission policy – window policy – acknowledgement policy – discarding policy – admission policy

·         Open loop methods – explanation – each 4 lines

·         Closed loop methods – meaning - back pressure – choke packet – implicit signaling – explicit signaling

·         Closed loop methods – diagram (half page ) & explanation

·         Max 5 pages

3.      Briefly explain the quality of service.              (12 marks)

·         Meaning – 2 lines

·         4 types of flow characteristics – reliability – delay – jitter – bandwidth

·         Types in table format

·         Explanation – 4 lines each

·         Max 3 pages

4.      Explain the techniques to improve QoS           (12 marks)

·         Scheduling – FIFO queuing – priority queuing – weighted fair queuing – diagram & explanation

·         Traffic shaping – leaky bucket – token bucket – diagram & explanation

·         Max 4 pages

5.      Briefly explain the UDP (user datagram protocol).      (8 marks)

·         Meaning – 2 lines

·         Well known ports – names and uses

·         User datagram – meaning – field names

·         UDP operations – connectionless services – flow and error control – encapsulation and decapsulation – queuing

·         Uses of UDP

·         Max 3 pages

6.      Briefly explain about TCP.                  (8 marks)

·         Meaning – 2 lines

·         TCP services – process to process communication – stream delivery service – full duplex communication – connection oriented service – reliable service

·         TCP segment format – diagram & explanation

7.      Explain about RTP (Real Time Transport Protocol).    (8marks)

·         Meaning – 2 lines

·         RTP packet format – diagram & explanation

·         Max 3 pages

UNIT V           APPLICATIONS                                                                                           

1.      Explain about DNS (Domain naming system). (8 marks)

·         Meaning – 2 lines

·         Name space – flat – hierarchical

·         Domain – generic – country – inverse

·         Mapping – names to address – address to names

·         Max 3 pages

2.      Explain about WWW (World wide web)          (8 marks)

·         Meaning – 2 lines

·         www architecture - Diagram & explanation

·         client – server – URL – cookies – static – dynamic – active documents

3.      explain about SNMP                (8 marks)

·         meaning – 2 lines

·         SNMP – diagram & explanation

·         Max 3 pages

4.      Explain about SMTP.               (8 marks)

·         Meaning – 2 lines

·         Diagram & explanation

·         Max 3 pages

5.      Explain about DES algorithm               (8 marks)

·         Meaning – 2 lines

·         Diagram & explanation

·         Max 3 pages

6.      Explain about RSA algorithm              ( 8 marks)

·         Meaning -2 lines

·         Diagram & explanation

·         Max 3 pages

7.      Explain about SSL (TSL).                    (8 marks)

·         Meaning – 2 lines

·         SSL functions – fragmentation – compression – message confidentiality – message integrity – framing

·         Max 3 pages

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