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:
B) Choose from a list of values
Explanation:
Answer:
- Used to include additional information in an element
- May be required for certain elements
- Consist of a keyword followed by an equals sign and additional information in quotes
Explanation:
<a href="website link goes here"> <---- example element with an attribute.
- You can see the <a> element which creates a link requires a "href" (which means "Hypertext Reference", basically a fancy way of saying a link to another page) attribute for the source of the link.
- The keyword "href" is followed by an equals and wrapped in quotes.
- Can be used to include additional information, like how you can use the keyword "alt" with an <img> tag to add text that shows up when you hover over it.
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In response to the other answers:
- The attribute itself is not wrapped in angle brackets, though it does sit within them. It is the *element* that is wrapped in angle brackets.
- The attributes are not added to the end (closing) tag, they are added to the opening tag.
Answer: around the clock availability
Explanation: i got 100
