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Public Key Infrastructure (PKI)It is integrated system of software, encryption methodologies, protocols, legal agreements, and 3rd-party services enabling users to communicate securely.PKI systems are based on public key cryptosystems which includes digital certificates and certificate authorities (CAs).PKI protects information assets in many ways. They are given below:-Authentication-Integrity-Privacy-Authorization-Nonrepudiation
What is Authentication/confirmation? How it is different from the Authorization/approval? Explain in brief different authentication protocols along with their merits and demerit
QUESTION a) A switch basically operates by forwarding frames from one part of the network to another, based on MAC address. Describe the three types of switching namely store
Problem (a) The IEEE 802 series of standards describe both the Physical and Data Link layers of their respective technologies. Two important standards are 802.3 and 802.5, respect
Limitations of firewall Firewalls cannot protect a network if security rules are not followed properly by an organization or if the rules are not defined properly. Firewalls ar
define .
ADDRESS RESOLUTION WITH MESSAGE EXCHANGE An alternative to local calculation is a distributed function. A computer that requires to find an address transmits a message across
Question: (a) What is the major problem with public key encryption when compared to symmetric key encryption? (b) Consider the following protocol for communication between t
REASON FOR MULTIPLE TOPOLOGIES Every topology has disadvantages and advantages, which are described below: IN A RING: It is simple to coordinate access to other dev
DIRECT INDEXING It is less usually known method. It is possible only is cases where protocols address are given from a compact range. In the diagram below an example of direct
Information asset classification-risk management A number of organizations have data classification schemes (for instance confidential, internal, public data). The classificat
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