System integration is best defined as:

• The process of installing multiple operating systems

• Connecting different computing systems and applications to work as one

• Designing only user interfaces

• Creating backups of enterprise data

Which of the following is NOT a benefit of system integration?

• Improved efficiency

• Reduced data accuracy

• Cost savings

• Better customer experience

A restaurant’s POS sending orders directly to the kitchen display is an example of:

• Data silos

• Integrated system

• Manual entry

• Poor decision-making

Which architecture model uses direct connections between all systems?

• Star model

• Point-to-Point

• Hub-and-Spoke

• Client-Server

A disadvantage of Point-to-Point integration is:

• Easier to manage connections

• Becomes unmanageable as systems increase

• Centralized monitoring

• Redundancy

In a Hub-and-Spoke architecture, the hub is also called:

• Database

• Central router

• Enterprise Service Bus (ESB)

• API Gateway

A key drawback of the Hub-and-Spoke model is:

• More connections are required

• The hub can be a single point of failure

• It cannot support new systems

• Lack of scalability

Which communication pattern waits for a response before continuing?

• Fire-and-Forget

• Request-Reply

• Batch processing

• Hub communication

Example of Request-Reply is:

• Logging user activity

• Sending emails without waiting

• Weather app querying forecast

• Background analytics

The Fire-and-Forget pattern is:

• Synchronous

• Asynchronous

• Two-way communication

• Always reliable