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).
The answer is digital marketing
Answer:
Teleconferencing is voice-only or audio and video communication, while video conferencing supports the conference by providing both video and voice, so you can fully see the person when you are listening to the communicator,
Teleconferencing is capable of transmitting the data during the conference, either using traditional PBX systems or VoIP, while video conferencing offers VoIP services. The formal requires less bandwidth, while the latter is highly dependent on network bandwidth.
