Showing posts with label RGPV MCA-305 OLD PAPERS. Show all posts
Showing posts with label RGPV MCA-305 OLD PAPERS. Show all posts
RGTU MCA 3RD SEM PAPERS I RGPV MCA 3RD SEM COMPUTER NETWORK PAPERS I MCA-305 COMPUTER NETWORKS OLD PAPERS I RGPV MCA 3RD SEM EXAM PAPERS I RGPV CS 3RD SEM COMPUTER NETWORK EXAM PAPERS I RGPV COMPUTER NETWORK OLD EXAM PAPERS I RGTU COMPUTER NETWORK SAMPLE PAPERS I RGPV MCA-305 COMPUTER NETWORKS PREVIOUS YEAR PAPERS I RGTU MCA-305 COMPUTER NETWORKS OLD PAPERS I RGTU COMPUTER NETWORKS MODEL PAPERS I COMPUTER NETWORKS PREVIOUS YEAR PAPERS I RGPV COMPUTER NETWORKS GUESSING PAPERS I MCA-305 COMPUTER NETWORKS SAMPLE EXAM PAPERS I RGPV MCA-305 COMPUTER NETWORKS LAST 5 YEAR PAPERS I RGPV MCA-305 COMPUTER NETWORKS PREVIOUS YEAR SOLVED PAPERS
R.G.P.V. Bhopal (MP)
M.C.A(3rd Semester) EXAMINATION
COMPUTER NETWORKS [ MCA-305 ]
Time: 3Hrs Max Marks: 100 Min Marks: 40
Note:Attempt any 5 questions.All question Carry equal marks.
Note:Attempt any 5 questions.All question Carry equal marks.
UNIT- I
Q.1.(a) Discuss and compare protocols and services in the context on layered network architecture.?(b) Differentiate between the following :
(i) Broad band ISDN & narrow band ISDN
(ii) Differential PCM & normal PCM
OR
Q.2.(a) What is not-persistent CSMA/CD ? Consider building a CSMA/CD network running at 1 Gbps over a 1 km cable with no repeaters. The signal speed in the cable is 200000 km/sec. What is minimum frame size ?(b) Consider the delay of pure ALHOA vs slotted ALOHA at low load. Which one is less ? Explain.?
UNIT-II
Q.3.(a) Assuming a send window of K, deduce the minimum range of sequence nos. (frame identifiers) required with each of the following error control schemes :(i) Selective repeat
(ii) Go Back-n
(b) In system 16 binary messages 0000 through 1111 are to be transmitted over a data line. Each message is to be protected by a 3-bit CRC generated using the polynomial x3 + x2 + 1:
(i) Derive 3 check bits for each of the three messages:
(a) 0000
(b) 0001
(c) 0010
(ii) Show a single bit error and a double bit error in a transmitted code word are detected at the receiver assuming the transmitted message is 1111.
OR
Q.4.(a) Explain the principle of operation of a CRC error detection scheme. If the given message is '1010001101' and predefined patter is '110101' then :(i) generate the transmitted message at the transmitter.
(ii) the received message is checked for correctness at the receiver.
(b) Consider an error free 64 kbpx satellite channel used to send 512 byte data frames in one direction with very short acknowledgement coming back the open way. What is the maximum throughput for window sizes of 1,7,15 and 127 ?
UNIT- III
Q.5.(a) Describe the frame format of IEEE 802.4 standards.?(b) Derive an expression for the utilization and worst case access delay of FDDI ring network in terms of the ring latency and target token rotation timer setting.?
OR
Q.6.(a) Differentiate between 802.3,802.4 and 802.5. ?(b) A bridge between 802.3 LAN and 802.4 LAN has a problem with intermittent memory errors. Can this problem cause undetected errors with transmitted frames or will all these be caught by frame check sum ?
UNIT- IV
Q.7.(a) Describe distance vector routing algorithm. What is count to infinity problem ?(b) Compare the following :
(i) Virtual circuit and Data-gram service
(ii) Open loop and Closed loop congestion control
(iii) Static and Dynamic routing
OR
Q.8.(a) Explain leaky bucket algorithm in congestion control.?(b) With a neat diagram explain Bellman-Ford routing algorithm for routing packets.?
UNIT- V
(b) Explain the concept of SNMP ?
OR
(b) Explain cryptography. What are its various components ?
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RGTU MCA 3RD SEM PAPERS I RGPV MCA 3RD SEM COMPUTER NETWORK PAPERS I MCA-305 COMPUTER NETWORKS OLD PAPERS I RGPV MCA-305 COMPUTER NETWORK EXAM PAPERS I RGTU MCA 3RD SEM OLD PAPERS I RGTU MCA 3RD SEM QUESTION PAPERS I RGTU MCA 3RD SEM COMPUTER NETWORK OLD EXAM PAPERS I RGTU MCA-305 COMPUTER NETWORK MODEL PAPERS I RGTU MCA-305 COMPUTER NETWORK SAMPLE PAPERS I RGTU MCA COMPUTER NETWORK GUESS PAPERS I RGTU COMPUTER NETWORK GUESSING PAPERS I RGPV COMPUTER NETWORK LAST 5 YEAR PAPERS I COMPUTER NETWORK PREVIOUS YEAR PAPERS I DOWNLOAD RGPV COMPUTER NETWORK PAST YEAR PAPERS I RGTU MCA 3RD SEM ALL PAPERS
R.G.P.V. Bhopal (MP)
M.C.A(3rd Semester) EXAMINATION
COMPUTER NETWORKS [ MCA-305 ]
Time: 3Hrs Max Marks: 100 Min Marks: 40
Note:Attempt any 5 questions.All question Carry equal marks.
Note:Attempt any 5 questions.All question Carry equal marks.
UNIT-I
Q.1.(a) What are the advantages and disadvantages of fiber optics over copper wire ?(b) Differentiate between the following :
(i) OPCM and PCM
(ii) FDM and TDM
(c) What are the major functions of the Data Link layer of ISO-OSI reference model ?
OR
Q.2(a) What are the reasons for using layered protocols ?(b) If the bit rate of a signal is 2000 bps, how many bits can be transmitted in 1 m sec, ?
(c) Show that the efficiency of slotted ALOHA is double of pure ALOHA.?
UNIT-II
Q.3.(a) The message 11010110111110 arrivals using generator polynomial x4 + x + 1. Explain whether it is correct or not.?(b) Write down the procedure of one-bit sliding window protocol. Also explain what will happen when two users start transmitting the message to each other simultaneously.?
OR
Q.4(a) Generate the Hamming codeword of the dataword : 10110001.?(b) Using 4-bit sequence number, what is the maximum size of the send and receive windows for each of the following protocols ?
(i) Stop-and-wait
(ii) Go-Back-N
(iii) Selective-Repeat
UNIT-III
Q.5.(a) Differentiate between bridges and gateways.?(b) Explain token ring MAC sublayer data frame format.?
(c) Describe the principle of operation of the following MAC method as used in LANs :
(i) CSMA/CD
(ii) Control Token
OR
Q.6.(a) Describe the IEEE 802.4 standard protocol and its frame format.?(b) Explain the following :
(i) FDDI
(ii) DGOB
UNIT-IV
Q.7.(a) Explain Dijkstra algorithm, compute the shortest path between the node a and d in thefollowing graph :
(b) Explain the following :
(i) The optimality principle
(ii) Multicasting
OR
Q.8.(a) Discuss the Link state routing with suitable example.?(b) Explain the token bucket algorithm.?
(c) Differentiate between TCP and UDP.?
UNIT-V
Q.9.(a) Explain cipher block chaining and chipher feedback mode. Which one is more efficient and how?(b) Using e = 13, d = 37 and n = 77 in the RSA algorithm, encrypt the message "Good" using the values of 00 to 25 for letters A to Z.?
OR
Q.10.(a) What are all the possible number combination of inputs in a 7-by-3, S-box ? What is thepossible number of outputs ?
(b) Explain the following :
(i) DNS
(ii) Digital signature
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RGPV MCA-305 COMPUTER NETWORKS OLD PAPERS I RGPV MCA 3RD SEM EXAM PAPERS I RGPV CS 3RD SEM COMPUTER NETWORK EXAM PAPERS I RGPV COMPUTER NETWORK OLD EXAM PAPERS I RGTU COMPUTER NETWORK SAMPLE PAPERS I RGPV MCA-305 COMPUTER NETWORKS PREVIOUS YEAR PAPERS I RGTU MCA-305 COMPUTER NETWORKS OLD PAPERS I RGTU COMPUTER NETWORKS MODEL PAPERS I COMPUTER NETWORKS PREVIOUS YEAR PAPERS I RGPV COMPUTER NETWORKS GUESSING PAPERS I MCA-305 COMPUTER NETWORKS SAMPLE EXAM PAPERS I RGPV MCA-305 COMPUTER NETWORKS LAST 5 YEAR PAPERS I RGPV MCA-305 COMPUTER NETWORKS PREVIOUS YEAR SOLVED PAPERS
META TAGS:-RGTU MCA 3RD SEM PAPERS I RGPV MCA 3RD SEM COMPUTER NETWORK PAPERS I MCA-305 COMPUTER NETWORKS OLD PAPERS I RGPV MCA 3RD SEM EXAM PAPERS I RGPV CS 3RD SEM COMPUTER NETWORK EXAM PAPERS I RGPV COMPUTER NETWORK OLD EXAM PAPERS I RGTU COMPUTER NETWORK SAMPLE PAPERS I RGPV MCA-305 COMPUTER NETWORKS PREVIOUS YEAR PAPERS I RGTU MCA-305 COMPUTER NETWORKS OLD PAPERS I RGTU COMPUTER NETWORKS MODEL PAPERS I COMPUTER NETWORKS PREVIOUS YEAR PAPERS I RGPV COMPUTER NETWORKS GUESSING PAPERS I MCA-305 COMPUTER NETWORKS SAMPLE EXAM PAPERS I RGPV MCA-305 COMPUTER NETWORKS LAST 5 YEAR PAPERS I RGPV MCA-305 COMPUTER NETWORKS PREVIOUS YEAR SOLVED PAPERS
R.G.P.V. Bhopal (MP)
M.C.A(3rd Semester) EXAMINATION
COMPUTER NETWORKS [ MCA-305 ]
- COMPUTER NETWORKS MCA-305 PAPER-3
- COMPUTER NETWORKS MCA-305 PAPER-4
- COMPUTER NETWORKS MCA-305 PAPER-5
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