There are six categories of security services: authenticiation, access control, data confidentiality, data integrity, nonrepudiation, and availability service. First, is authentication service, which defines as the assurance that the communicator is legitimate and is the one that it claims to be. It can either be peer entity or data origin authentication. Second, access control which is to prevent any unauthorized uses of resources. After one is being authenticiated, then this service limit/controls who access? what accessing rights to the resources are allowed depending on the identified individuals. Data confifentiality: the protection of data from unauthorized disclosure. Data integrity: the assurance that data received are exactly as sent by an authorized entity (e.t.c, contain no modificafion, insertion, deletion, or replay).
Answer:
5. iOS and Android are some popular OS’.
Explanation:
Statistician for the last one network administaror for the next one then animator then broadcast tech
Answer:
Ok, so it's not letting me submit a text response, so I'll attach an image of my answer.
Explanation:
Answer:
The answer is "Option a".
Explanation:
A score can be detrimental. When an element has a score below zero, it means, that the sequences up to this point have no correlations, that are set to zero and its effects the previous alignment is excluded. Thus, alignment can be further found in every position later in the calculation. and other options are incorrect that can be described as follows:
- In option b, In this option the score can be negative, that's why we can't set its value.
- In option c, The first row and column must contain some value it can't be 0, that's why it is not correct.
- In option d, It will start with a lower score and ends with a higher score, that's why it is not correct.
