Answer: the sender's private key.
Explanation:
For messages sent through an insecure channel, a properly implemented digital signature gives the receiver reason to believe the message was sent by the claimed sender. While using a digital signature, the message digest is encrypted with the sender's private key. When the message is being sent through the sender computes a hash function of the message and encrypts it with the sender's private key . When the message reaches its intended recipient it is decrypted and the hash function is recomputed and compared to the digital signature to establish authenticity of the message and maintain its integrity.
Answer:
web portals
Explanation:
B2B (business-to-business) is a marketing strategy that deals with meeting the needs of other businesses, by selling products or services to the organizations for resale to other consumers, used in production of goods or for the operation of an organisation.
B2B (business-to-business) model focuses on facilitating sales transactions between businesses.
Under the B2B, the producer sells its products directly to other businesses such as wholesalers or retailers and not the end consumers.
B2B partners often connect to each other on the Internet through special web portals that are designed to facilitate exchange of information and simplified business transactions.
Additionally, a popular application of the seller-side marketplace model, which is a major business-to-business (B2B) e-commerce model, is e-procurement of goods through the use of web portals over the internet and as such eliminating the option of physical buying or procurement.
Answer:
B.
Explanation:
b.multiple users cannot run a single task at the same time on any type of OS
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