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Describe the term - Certification Authority
The certification is most easily implemented with a custom solution combined with a server, called the Certification Authority (CA). It is an external or combined with a server, called the Certification Authority (CA). It is an external or third party service, which can issue and revoke certificates and authenticate any certificates presented in order to gain access.
Assume the following 64-bit DES key (expressed in hexadecimal): FEFE FEFE FEFE FEFE (a) What is the term for such a key? (b) State the value of each of the 48-bit round keys
objective practical questios answers
Importace of Clientsin intranet server The most interesting thing is that almost every computer can be connected as a client to the Intranet server. The client could be based
Name the physical interfaces that PPP can be configured on a Cisco router: Ans) A. Asynchronous serial B. HSSI C. ISDN D. Synchronous serial These four of th
The distance over which data moves within a computer may differ from a few thousandths of an inch, as is the case within a one IC chip, to as much as lot of feet along the backplan
what are the main problems of signal propagation?why do radio waves not always follow a straight line?why is reflection both useful and harmful?
5. CSMA/CD based Ethernet LANs in various sites and Frame Relay (FR) service to connect them together. You want to make a difference in the organization by upgrading the LANs to be
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
Configure the Host Computers Step 1: Configure host computers. Configure the static IP address, subnet mask, and gateway for every host computer based on the configuration
Can you describe screened host architecture?
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