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Internet Technologies Jntu Model Paper{Www.Studentyogi.Com}

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Internet Technologies Jntu Model Paper{Www.Studentyogi.Com}

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Internet Technologies Jntu Model Paper{Www.Studentyogi.Com}

  1. 1. www.studentyogi.com www.studentyogi.com Code No: RR421202 Set No. 1 IV B.Tech II Semester Regular Examinations, Apr/May 2007 INTERNET TECHNOLOGIES (Information Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks 1. (a) Write a short notes on advantages and disadvantages of OSI model (b) Why network layer is not required in broadcast networks? [10+6] 2. (a) Discuss in brief ATM protocol Architecture (b) What is virtual channel connections? How it is implemented? [8+8] 3. (a) Write a short notes on Ethernet networks (b) Discuss in detail 10 Gbps ethernet. [8+8] 4. Discuss the performance issues of TCP over ATM. [16] 5. (a) Give the OSPF packet format with discussion (b) What are the RIP limitations (c) What is adptive routing. [6+5+5] 6. (a) Explain the FIFO Queuing discipline. Discuss its advantages and disadvan- tages? (b) Explain the weighted fair queuing discipline in detail? [8+8] 7. (a) What are Exterior Routing protocols? Explain? (b) Explain the BGP with its functional procedures? [8+8] 8. Discuss about: (a) Public Key encryption (b) Digital signature (c) RSA algorithm. [6+5+5]
  2. 2. www.studentyogi.com www.studentyogi.com Code No: RR421202 Set No. 2 IV B.Tech II Semester Regular Examinations, Apr/May 2007 INTERNET TECHNOLOGIES (Information Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks 1. (a) Write a short notes on the types of AAL protocol and give their header formats (b) How the data transmission takes place in ATM. [8+8] 2. (a) Consider a packet switching network of N nodes connected by Star, Loop and Fully connected.Give the average number of hops between stations for each case. (b) Discuss i. X.25 ii. Frame relay architecture. [6+10] 3. Discuss the following (a) Fast Ethernet (b) Fibre Channel (c) Wireless LAN. [6+5+5] 4. (a) Dsicuss the basic objectives of tra c & congestion control in ATM. (b) How the objectives can be achieved. (c) How ABR tra c is managed in ATM. [6+5+5] 5. (a) Give the OSPF packet format with discussion (b) What are the RIP limitations (c) What is adptive routing. [6+5+5] 6. (a) How is the ISA architecture implemented within a router? Explain? (b) What are the services provide by ISZ? [8+8] 7. (a) Compare and contrast Distance Vector routing and link state routing? (b) Explain the concept of o oding with an example? [8+8] 8. What is simple network management protocol? Discuss. [16]
  3. 3. www.studentyogi.com www.studentyogi.com Code No: RR421202 Set No. 3 IV B.Tech II Semester Regular Examinations, Apr/May 2007 INTERNET TECHNOLOGIES (Information Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks 1. (a) Discuss the need or lack of need for a network layer in a broadcast network. (b) Discuss i. Corporate WAN needs ii. Digital electronics. [6+10] 2. De ne the following parameters for a switching networks: N - number of hops between two given end systems L - message Length B - data rate on all links in bits per sec. P - xed packet size H - overhead bits per packet S - set up time D - propogation delay per hop (a) What value of P, as a function of N,L and H results in minimum end to end delay on a datagram network? Assume that L is much larger than P and D is zero (b) What is the signi cance of Type of Service eld in IPv4 protocol. [8+8] 3. (a) Write a short notes ATM cell header format (b) What are the uses of Virtual Channel connection. [8+8] 4. (a) What is the retransmission strategy. (b) How adaptive retransmission timer is set. (c) What are the TCP implementation policy options. [5+6+5] 5. (a) What are the di erent services provided by IP. (b) How IP addresses are identi ed. [8+8] 6. (a) What is Internet Routing? What are the di erent types of routing? (b) Explain he least cost path routing algorithm? [8+8] 7. (a) What are the desirable properties for real time communications. (b) What is the di eence between hard and soft real time applications. [8+8] 8. Discuss about: (a) Public Key encryption (b) Digital signature (c) RSA algorithm. [6+5+5]
  4. 4. www.studentyogi.com www.studentyogi.com Code No: RR421202 Set No. 4 IV B.Tech II Semester Regular Examinations, Apr/May 2007 INTERNET TECHNOLOGIES (Information Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks 1. (a) Discuss in brief the history of Computer Networks (b) Discuss in brief about ATM & Broadband ISDN. [8+8] 2. (a) Consider a packet switching network of N nodes connected by Star, Loop and Fully connected.Give the average number of hops between stations for each case. (b) Discuss i. X.25 ii. Frame relay architecture. [6+10] 3. (a) Consider a bus LAN with a number of equally spaced stations with a data rate of 10Mbps and a bus length of 1km. What is the mean timeto send a frame of 1000 bits to another station, measured from the beginning of transmission to the end of reception? Assume a propogation speed of 200m/s. (b) Explain the various services of IEEE 802.11. [8+8] 4. (a) Discuss various performance issues of ARR sliding window protocols (b) A channel has a data rate of 4kbps and a propogation delay of 20ms. For what range of frame sizes do es stop and wait give an e ciency of at least 50%. [10+6] 5. Discuss the various shortest path algorithms. [16] 6. (a) Elaborate the two design characteristics of RSVP? (b) What is RTP control Protocol (PTCP)? Describe the four functions. [8+8] performed by RTCP? 7. (a) What are the limits of RIP? (b) Explain the link state protocol? [8+8] 8. Discuss about: (a) Public Key encryption (b) Digital signature (c) RSA algorithm. [6+5+5]

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