Which option is an appropriate database function syntax? O DSUM(A4:D8, "Unit Cost", A1:B2)
O =SUMA4:D8, “Unit Cost",A1:B2)
O =DSUM(A4:D8“Unit Cost"A1:B2)
O=DSUM(A4:D8, “Unit Cost", A1:B2)

answer : =DUM(A4:D8,”Unit Cost”,A1:B2)

A911 dispatcher is the sole sender of messages to all police officers. while on patrol, officers communicate with the dispatcher who, in turn, relays messages to other officers. the officers do not communicate directly with one another. this illustrates a network.

What is domain name system (dns)? allows dynamic ip address allocation so users do not have to have a preconfigured ip address to use the network converts ip addresses into domains, or identifying labels that use a variety of recognizable naming conventions the efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures the integration of communication channels into a single service

In the above figure, what type of cylinder arrangement is shown in the figure above? a. l-type b. v-type c. in-line d. horizontal pls make sure its right if its rong im grounded for 3months