Answer:Schema
Explanation: A schema is the group that contains objects of databases with views, index, triggers, tables etc features. The specific user can access schema who persist a certain username.The user is considered as the owner of the database and its element.
Schema is usually bound to have only single database.There are some schema that are already present in the system as the in-built schema .E.g.- sys, guest etc.
Answer:
4
Explanation:
For easier management of the host records of the company 4 zones should be used because
subdomain is part of a larger domain and the main domain which is the primary domain is the name which the company have decide to use which will represent the company website address and in a situation where the company
have different domain names in which they had registered, they will need to choose one among the domain which will inturn be their main domain.
Therefore for easier , efficient and effective management of the host records 4 zones will be the best zones to be used.
Example of sub domain is north.example.com
<span>Five activities for which a purchasing department normally has responsibility include: issuing their own purchase orders, meeting with different sales representatives, maintaining their own purchase records in accordance with state and federal law, administering contracts with sellers, and coming to a resolution regarding any purchasing problems that might arise.</span>
The dual-layer-IP allows ipv4 and ipv6 at the network layer to access a single tcp/udp stack.
<h3>What is the dual IP layer?</h3>
The word dual-stack is a word that connote a full or total duplication of all stages in the protocol stack ranging from its applications to the network layer.
Note that the dual-layer-IP method often gives room for a computer to run IPv4 and IPv6 simultaneously at the network layer, and all of the IP stack can access a different TCP/UDP stack.
Learn more about architecture from
brainly.com/question/9760486
