212-82 Practice Test practice questions, page 5 of 5, with answer review and explanations.
Question 21
A software company has implemented a wireless technology to track the employees' attendance by recording their in and out timings. Each employee in the company will have an entry card that is embedded with a tag. Whenever an employee enters the office premises, he/she is required to swipe the card at the entrance. The wireless technology uses radio-frequency electromagnetic waves to transfer data for automatic identification and for tracking tags attached to objects. Which of the following technologies has the software company implemented in the above scenario?
WiMAX
RFID
Bluetooth
Wi-Fi
Question 22
Matias, a network security administrator at an organization, was tasked with the implementation of secure wireless network encryption for their network. For this purpose, Matias employed a security solution that uses 256-bit Galois/Counter Mode Protocol (GCMP-256) to maintain the authenticity and confidentiality of data. Identify the type of wireless encryption used by the security solution employed by Matias in the above scenario.
WPA2 encryption
WPA3 encryption
WEP encryption
WPA encryption
Question 23
Rickson, a security professional at an organization, was instructed to establish short-range communication between devices within a range of 10 cm. For this purpose, he used a mobile connection method that employs electromagnetic induction to enable communication between devices. The mobile connection method selected by Rickson can also read RFID tags and establish Bluetooth connections with nearby devices to exchange information such as images and contact lists. Which of the following mobile connection methods has Rickson used in above scenario?
NFC
Satcom
Cellular communication
ANT
Question 24
Stephen, a security professional at an organization, was instructed to implement security measures that prevent corporate data leakage on employees' mobile devices. For this purpose, he employed a technique using which all personal and corporate data are isolated on an employee's mobile device. Using this technique, corporate applications do not have any control of or communication with the private applications or data of the employees. Which of the following techniques has Stephen implemented in the above scenario?
Full device encryption
Geofencing
Containerization
OTA updates
Question 25
Leo has walked to the nearest supermarket to purchase grocery. At the billing section, the billing executive scanned each product's machine-readable tag against a readable machine that automatically reads the product details, displays the prices of the individual product on the computer, and calculates the sum of those scanned items. Upon completion of scanning all the products, Leo has to pay the bill. Identify the type of short-range wireless communication technology that the billing executive has used in the above scenario.