The default value at which a refresh interval (an interval a sec. server check for zone updates) is 15 minutes.
If this value is increased, the network traffic is reduced. In the eventuality that the refresh interval expires, the secondary zone will contact the primary zone and request it to initiate the zone transfer.
TRUE, that is a one-sided answer. One of the biggest examples is virtually unhackable blockchains.
Answer:
Push notification services.
Explanation:
Push notification services can be used to deliver important messages on mobile devices in an efficient and timely manner. The different mobile platforms such as android, iOS have their services which makes it easy for Jabez to send the messages to users with a specific brand and type of mobile device. The messages will pop up on the mobile device of the user, whether the app or the website associated with notifications is running or not.