Option D is the answer because Digital Certificate is an entity that generates electronic and distributes them upon proving their identity sufficiently. In early days there was issues with people using the certificates that were not even issued by the organizations. Today it's a cryptographic technique which uses digital signatures and gives users a digital certificate that can be authenticated anytime online by any organization and is unique for every user having it.
Option A cannot be the answer because it has nothing to do with the identity of person but rather it is for specific fields.
Option B is not answer because it has no key and score matter to do with it.
Option C Web transactions has nothing to do with the certificates.
Answer: sales promotion
Explanation:
Sales promotion are special incentives or excitement-building programs that encourage consumers to purchase a particular product, often used in conjunction with advertising or personal selling programs.
I believe the correct answer is the first option. The primary difference between 3g and 4g cellular systems would be that 4g systems have faster transmission as compared to 3g. The G would mean generation. The very difference of both is their speeds.
An instance in my life where I rendered services was when I worked in a grocery store.
The roles of entrepreneur include:
- Allocating employees duties.
- Improving standard of living.
- Taking risks.
The three challenges that a young entrepreneur faces today include:
- Financial instability.
- Conflicts with education.
- Lack of business skills.
The top three characteristics of an entrepreneur include:
- Innovation.
- Confidence
- Risk taking
<h3>Who's an entrepreneur?</h3>
It should be noted that a entrepreneur is an individual who owns business and take risks.
The roles of entrepreneur include allocating employees duties, improving standard of living, and taking risks
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