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QUESTION
(a) Which PKI (Public Key Infrastructure) model is typically favored by business organization?
(b) Give one possible use of the "extensions" field of an X.509 certificate
(c) Users in a PKI can obtain digital certificates of users they want to communicate with. Which protocol is typically used to interact with the directory server to obtain certificate(s)?
(d) Calculate the RSA public and private keys given the values of p and q as follows: p = 17; q = 11. Show details of workings. Choose e = 7
(e) What is meant by Certificate Revocation? When would a certificate have to be revoked?
(f) Alice and Bob are communicating
a) Explain the contents of the Cost Assessment. b) Various Documents are needed for Configuration Management. State three of them, and describe their importance. c) Given tha
discuss the merits and demerits of computers freezing
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The method used to check errors is checksum . In this method data is treated as a sequence of integers and their arithmetic sum is calculated and the carry bits are added to the
QUESTION 1: a) Differentiate between a routing protocol and a routed protocol. b) Describe any three design goals of Routing protocols. c) Lists some of the features shared
UDP COMMUNICATION SEMANTICS: UDP needs IP for all delivery, that is, similar best effort delivery as IP. To use UDP, an application have to either be immune to the causes or
You see two IP addresses. The IP address 192.168.58.130 is the one of Bt4. The IP address 192.168.58.133 has ports 135 and 445 open; which indicates that it is a Windows machine. S
IP DATAGRAM HEADER FORMAT: It is given in the figure below: In the table: VERS denotes the version of IP. H.LEN denotes the header length in units of
PARSING IPv6 HEADERS Base header is fixed in size i.e. 40 octets. NEXT HEADER field in the base header describe kind of header and it seems at end of fixed-size base header. S
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