Answer:B. Are used to create, organize, and manage databases
Explanation: Database management system (DBMS) is a computer software which is used to collect, analyse or evaluate and retrieve data from a database. It is essential to the flow of businesses or other activities of an organisation.
Examples of database management system softwares MICROSOFT ACCESS,FOXPRO,ORACLE etc all this are effective as it helps to manipulate the data structure,field names,the file formats etc.
 
        
             
        
        
        
Answer:
Explanation:
Always the getaway is the first device in a network, and for that was assigned this IP address 192.168.2.1, is the first address of the block, a network getaway gives us interoperability between networks and contains devices, and is a protocol translator, this is a piece of hardware used for telecommunication networks.