Critical Thinking Questions Case 7-1 You recently started working part-time in a retail store, and are learning about the reading devices your store uses. Your store uses a bar code reader to process items during checkout. What type of technology does the bar code reader use?

Ajeweler designing a pin has decided to use five stones chosen from diamonds, rubies, and emeralds. in how many ways can the stones be selected?

What’s the process of observing someone actually working in a career that interests you?

You are working as a security analyst in a company xyz that owns the whole subnet range of 23.0.0.0/8 and 192.168.0.0/8. while monitoring the data, you find a high number of outbound connections. you see that ip's owned by xyz (internal) and private ip's are communicating to a single public ip. therefore, the internal ip's are sending data to the public ip. after further analysis, you find out that this public ip is a blacklisted ip, and the internal communicating devices are compromised. what kind of attack does the above scenario depict?