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).
False
From afar it may be difficult to be sure how big the mountains actually are
Answer:
The correct word for the blank space is: object.
Explanation:
Access Control System (<em>ACS</em>) is a computer structure that allows or restricts users to access to features and information of a server. ACS is used to protect confidential data and to make sure the servers are going to be used by authorized users which diminish malfunctions. One of the basic principles of ACS is letting subjects and objects to interact properly.