Sarah needs to connect to an interface port on an enterprise switch. Her laptop does not have the correct port. When she mentions this to her boss, he tells her that they have several older laptops in a closet and one of them should have a RS-232 connector for the enterprise switch. What does the connector that Sarah needs look like?

a. A 15 pin three row D-shaped connector

b. A 9 pin two row D-shaped male connector

c. A rectangle with a blue connection in the middle

d. A 6 pin round connector that is purple

A 9 pin two row D-shaped male connector (B)

Explanation:

A RS-232 connector is used for exchange of data between a personal/desktop computer and Modem as seen in the question an Enterprise switch which is a data communication equipment as well. the RS-232 uses a form of connection known as a serial connection to transfer/exchange data between connected equipment in bits.

The connection between the equipment is done using an RS-232 connecting cable were the port at the end of the connector is A 9 pin two row D-shaped female connector which is then connected to A 9 pin two row D-shaped male connector port found on both the personal computer and the data communication equipment

Answer: the right option is b

Explanation:

RS232 was originally introduced in 1960 and it was used to transmit signals using a positive voltage for binary 0 and negative voltage for binary 1.