Answer: at the moment i would pick between zoom and something by google
Explanation: Face time is not very useful as only apple users can use other things like house party and the Instagram face chat thing are not good for a professional setting. Skype has been giving me problems with the vast amount of people on it for work.
Answer: VLAN(Virtual local area network)
Explanation: VLAN(Virtual local area network) is the networking device that displays the flexible nature due to the logical connection of one or more LANs. VLAN is used for the purpose of the management, security, scaling etc.
VLAN also has the ability to provide the segmentation in the network by dividing the physical network into segments and making logical network. Router is the source for maintaining the communication in the VLAN.
Thus according to the requirement mentioned in the question ,VLAN is the network device that should be used.
You can not communicate directly between Angular and MySQL. You'll need to build a back-end Web service that calls MySql using php or node. Angular can communicate with this back-end Web service via http.
