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In broadcast topology there are further two types
1) SATELLITE\RADIO 2) RING TOPOLOGY
In a radio or satellite topology every computers are connected to each other via radio or satellite wave as given in the figure.
Figure: Satellite and Ring topologies:
In a ring topology every computer is connected to thorough a ring as given in the figure above.
Question : (a) There are two approaches for providing confidentiality for packets in a network using symmetric encryption: End-to-End Encryption and Link Encryption. State wh
Digital Signatures Digital Signatures are encrypted messages which can be proven mathematically to be authentic. These are created in response to rising requirement to verify in
Question: (a) What are the various options to mitigate risks in an Information Security Management System (ISMS)? For each option specify an instance where it can be used.
B-Router Hybrid devices that has the features of both routers and bridges . A bridge router or brouter is a network machine that acts as a router and as a bridge. The brout
A digital signature is a stamp on the data, which is unique and very hard to forge. A digital signature has 2 steps and creates 2 things from the security perspective. STEP 1
- Alice, Bob and Charlie have a secret key a=3, b=4, c=5, in that order. - They would like to find a common secret key using Diffie-Hellan key exchange protocol (with g=2, p=5).
Question 1 (a) Explain briefly the following terms as used in network security: (i) Denial of service (DoS) attack (ii) Birthday attack (iii) DeMilitarized Zone
How safe is the encryption of virtual private networks?
for making the assignment
what is guided media or unguided media
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