Business-to-business integration (b2bi) is vital for efficient and accurate flow of data across internal iss and external business partners. b2bi and secure data exchange over the internet is done through

a. wireless routers

b. b2b gateways

c. data sources

d. enterprise application integration (eai) middleware

b)B2B gateways

Explanation: B2B(Business-to-business) gateway is the part of the information technology business department that provides the service of the connecting the internal resources of business to the external business resources or partners.

Business-to business integration is facilitated by B2B gateways where the information sharing between the in house department process gets connected to vendor platforms .  

Other options are incorrect because wireless routers are for routing the data packets on the network wirelessly,data sources is the hub of all the information acting as source and EAI middleware is used for the integration of the software technology and hardware system.Thus, the correct option is option(b).

answer; insolated i/o uses separate memory space,and on the other hand memory mapped i/o uses memory from the main

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