Computer Network 5th Sem/EEE/CSE/2626/May 2015 Diploma Paper

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Computer Network 5th Sem Diploma May 2015 Paper

SECTION-A

Q1. Do as directed. 15×1=15

i) Packets are made in Network layer of OSI Model.
ii) Fully connected network require ………. links for n nodes.
iii) E-mail is an …………. of sending a letter.
iv) The _____ layer describes how real work actually gets done.
v) The is assigned to network with very far number of hosts.
vi) ICMP stands for Internet Control Message Protocol .
vii) VOIP stands for Voice Over Internet Protocol .
Viii Cryptography is the science of writing in secret code.
ix) Active Hub type of hubs regenerate the signal.
x) The ………….. Is responsible for document presentation.

2.True and False

i) Ratio waves are bi-directional.
ii) Cable modem does not use a Co-axial cable television.
iii) RAID is the organization of multiple disks into a large, high performance logical disk.
iv) Cell phones support Wi-Fi technology.
v) Fragment offset is a 3 bits field

SECTION-B

Q2. Attempt any five questions. 5×6=30

i) Explain various Switching techniques.
ii) Describe IP Packet format of IPV4.
iii) Define various Network connecting devices.
iv) Write short note on cryptography.
v ) Write down the steps involved in performing troubleshooting. vi)Explain various types of wireless LAN.

SECTION-C

Q3. Attempt any three questions. 3×10=30

Q 3) Explain how does a CSMA protocol works.
Q 4) What do you understand by Huffman Code? Explain in detail. Q 5) Explain OSI Reference model in detail.
Q 6) Write short note on: i) IEEE 802.11
ii) WIMAX Technology

Computer Network 5th Sem Diploma May 2015 Paper

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Section a Computer Network 5th Sem Diploma May 2015 Paper

The OSI reference model has _______ Layers.

The OSI reference model has 7 Layers.

PSTN stands for __________

PSTN stands for Public Switching Telephone Network .

A Small Bluetooth Network is Called ________

A Small Bluetooth Network is Called Piconet .

There are ______ Classes of Network.

There are Three Classes of Network.

CSMA stands for ___________

CSMA stands for Carrier-Sense Multiple Access .

VSAT stands for ____________

VSAT stands for very small aperture terminal .

VOIP stands for ________

VOIP stands for Voice over Internet Protocol .

A ______ (modulator–demodulator) is a network hardware device.

A Modem (modulator–demodulator) is a network hardware device.

IP has two Parts _____ and Host ID

IP has two Parts Network ID and Host ID.

RAID stands for ___________

RAID stands for Redundant Array of independent disks .

Bus Topology is logical Topology. True/False

FALSE

The Next generation of internet Protocol Is IPv6

TRUE

FTP in TCP/IP protocols is the used for transferring files from one machine to another

TRUE

A Simplex system works in two directions

FALSE

Hybrid topology is the combination of more than two different topologies.

TRUE

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Section B :Computer Network 5th Sem Diploma May 2018 Paper

Define Firewalls. What are its types?

Define Firewalls its types

Write down the different applications of Bluetooth.

Different applications of Bluetooth

Explain various Switching Techniques.

Various Switching Techniques

Write down the difference between LAN and WAN. Explain.

Difference between LAN and WAN.

What do you understand by Hub? Explain its types.

Hub its types.

Write down the difference between Encryption and Decryption.

Difference between Encryption and Decryption.
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Define Various Network connecting devices.

Network connecting devices.

Explain the functions of Data Link Layer.

Functions of Data Link Layer.

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Computer Network 5th Sem Diploma May 2018 Paper

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