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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 where these two types of encryption could be implemented assuming the reference OSI model.
(b) Give one example of a public key algorithm.
(c) Describe the following statement: "Public key cryptography complements rather than replaces Symmetric key cryptography."
(d) Explain how public key cryptography can be used for (i) confidentiality, (ii) authentication (iii) both confidentiality and authentication.
(e) Describe why PKC is slower than SKC.
(f) Provide an example of a digital certificate format that is commonly used.
(g) Explain how the Digital Signature Algorithm can be used to generate a signature and how the signature can be verified by a recipient.
IDS RESPONSE BEHAVIOR Once IDS detects an anomalous network situation, it has a number of options. IDS responses to external stimulation can be classified as active or passive.
PROCESSING AN INCOMING ARP MESSAGE When an ARP message reaches, the protocol specifies that the receiver must operate two basic steps. First the receiver finds the sender's add
code and logic
the meaning Digital Signatures
Question: (a) Mention three limitations of a firewall. (b) Compare packet-filtering and proxy-base firewalls. Give advantages and drawbacks of both. (c) "Proxies eff
CRC can detect the following errors better than check sums. a) Vertical errors b) Burst errors a) VERTICAL ERRORS: This kind of error happens due to a hardware fai
Normal 0 false false false EN-US X-NONE X-NONE
NSTISSC SECURITY MODEL The NSTISSC Security Model provides a detailed perspective on security. While the NSTISSC model covers the 3 dimensions of information security, it removes
(a) Draw the waveform for an asynchronous transmission with the given specifications: 8 data bits with value 11010001 (LSB listed first here), one parity bit (even), one star
Question requires you to produce a pcap file from a Wireshark capture. In addition, you must include a screen capture of Wireshark and some specific information regarding the fram
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