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

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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. 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. 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. 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]