RFID and Barcoding in Logistics: Enhance Inventory Tracking and Streamline Operations

Question 1

Which type of RFID tag can be read from distances of several meters?

Accepted Answer

Active RFID tags

Answer

Passive RFID tags

Answer

Semi-active RFID tags

Answer

Battery-assisted passive RFID tags

Question 2

What is the primary purpose of using antennas in RFID systems?

Accepted Answer

To transmit and receive RFID signals

Answer

To power RFID tags

Answer

To encode data onto RFID tags

Answer

To store RFID data

Question 3

Within barcoding systems, what is the primary role of a scanner?

Accepted Answer

To read and decode barcodes

Answer

To generate barcodes

Answer

To store barcode data

Answer

To print barcodes

Question 4

2D Barcodes Advantage: What is the main advantage of using 2D barcodes over 1D barcodes?

Accepted Answer

Increased data storage capacity: 2D barcodes can store more information.

Answer

Improved scanning ease: 2D barcodes are easier to scan due to their 2-dimensional format.

Answer

Enhanced damage resistance: 2D barcodes are more resistant to damage compared to 1D barcodes.

Answer

Lower production costs: 2D barcodes are less expensive to produce than 1D barcodes.

Question 5

EPCglobal's Role: What is the primary function of the EPCglobal network in the RFID ecosystem?

Accepted Answer

Establishing standards: Setting and maintaining global standards for RFID technology.

Answer

Device certification: Certifying RFID devices to ensure compliance with standards.

Answer

Technology promotion: Promoting the adoption and use of RFID technology.

Answer

Frequency management: Allocating and managing RFID frequencies.

Question 6

In a supply chain context, what is the primary purpose of using barcodes?

Accepted Answer

Item identification and tracking

Answer

Inventory management

Answer

Quality control monitoring

Answer

Asset management

Question 7

What is the primary distinction between an active and a passive RFID tag?

Accepted Answer

Power source

Answer

Data capacity

Answer

Read range

Answer

Cost

Question 8

Which of the following accurately compares the characteristics of ISO 18000-6C and EPC C1G2 RFID protocols?

Accepted Answer

ISO 18000-6C: Lower frequency, longer range, lower data capacity

Accepted Answer

EPC C1G2: Higher frequency, shorter range, higher data capacity

Question 9

In RFID implementation, which factor is **NOT** generally considered a key success factor?

Accepted Answer

Extensive system customization

Answer

Thorough planning and preparation

Answer

Ongoing support and maintenance

Answer

Stakeholder involvement and support

Question 10

Which of the following is a key benefit of RFID technology over barcoding in logistics operations?

Accepted Answer

Faster and more efficient data capture, enabling real-time tracking and inventory updates

Answer

Lower cost of implementation and maintenance

Answer

Improved durability in harsh environments, withstanding extreme temperatures and moisture

Question 11

What is the typical operating frequency range for UHF RFID tags used in logistics applications?

Accepted Answer

865-928 MHz

Answer

13.56 MHz

Answer

2.45 GHz

Answer

125-134 kHz

Question 12

Which of the following is a primary application of barcoding in logistics management?

Accepted Answer

Tracking inventory items through a warehouse or distribution center, facilitating efficient stock management and order fulfillment

Answer

Controlling access to restricted areas, enhancing security and preventing unauthorized entry

Answer

Identifying and authenticating individuals, verifying their identity and managing access rights

Answer

Monitoring temperature-sensitive goods during transportation, ensuring product quality and compliance

Question 13

What is the primary purpose of an Electronic Product Code (EPC) in RFID systems?

Accepted Answer

To uniquely identify a specific item, providing a globally recognized identifier for tracking and managing products throughout the supply chain

Answer

To transmit data wirelessly between RFID tags and readers, enabling real-time communication

Answer

To provide security encryption for sensitive data, protecting information from unauthorized access

Answer

To store product information, such as manufacturer, origin, and expiration date, enhancing traceability and transparency

Question 14

What is the fundamental difference between passive and active RFID tags used in logistics?

Accepted Answer

Power source, with passive tags relying on energy harvested from the RFID reader's electromagnetic field and active tags having an internal battery

Answer

Data storage capacity, affecting the amount of information that can be stored on the tag

Answer

Frequency range, operating at different frequencies and requiring compatible readers

Answer

Transmission range, determining the distance over which data can be communicated

Question 15

What is a key advantage of using a QR code over a traditional one-dimensional barcode?

Accepted Answer

Higher data storage capacity, allowing for the encoding of more information, such as URLs, product descriptions, and multimedia content

Answer

Improved accuracy, reducing the likelihood of scanning errors and ensuring reliable data capture

Answer

Faster scanning speed, enabling quicker and more efficient data retrieval

Answer

Lower cost, making QR codes a more affordable option for businesses

Question 16

What type of data storage is predominantly used in passive RFID tags?

Accepted Answer

EEPROM (Electrically Erasable Programmable Read-Only Memory), enabling data retention even without a power supply.

Answer

RAM (Random Access Memory), which provides temporary data storage but loses data when power is removed.

Answer

Flash Memory, which offers high-speed data read and write capabilities but requires a power source.

Question 17

What is the fundamental distinction between active and passive RFID tags?

Accepted Answer

Active tags possess an internal power source, enabling them to transmit signals over longer distances, while passive tags rely on the reader's energy for operation.

Answer

Passive tags are more durable than active tags as they do not contain delicate electronic components.

Answer

Active tags have a shorter read range than passive tags due to their limited battery life.

Question 18

What is the primary purpose of a barcode scanner in a logistics operation?

Accepted Answer

To capture and decode the data encoded in a barcode, facilitating data entry and automation.

Answer

To generate barcodes for products, a task typically performed by dedicated barcode printers.

Answer

To store data on barcodes, which is not within the scanner's capability.

Answer

To track the movement of goods, which is typically handled by RFID or GPS systems.

Question 19

Which of the following is NOT an advantage of using barcodes in logistics?

Accepted Answer

Real-time inventory tracking, as barcodes require manual scanning and cannot provide continuous monitoring.

Answer

Reduced labor costs, as barcodes automate data entry and reduce manual effort.

Answer

Improved accuracy and reduced errors, as barcodes enable efficient and accurate data capture.

Answer

Simplified data entry and processing, as barcodes streamline data management and minimize errors.

Question 20

What is the key distinction between a 1D barcode and a 2D barcode?

Accepted Answer

A 1D barcode encodes data in a single horizontal line, while a 2D barcode encodes data in a two-dimensional matrix, offering greater data storage capacity.

Answer

A 2D barcode is more durable than a 1D barcode due to its multiple layers of data.

Question 21

Provide an example of a practical application of RFID technology in logistics.

Accepted Answer

Tracking the movement of pallets and containers in a warehouse, enabling efficient inventory management and real-time visibility of stock levels.

Answer

Monitoring employee attendance, an application typically handled by biometric systems or access control technologies.

Answer

Authenticating product genuineness, a task commonly handled by RFID tags with anti-counterfeiting features.

Question 22

What is the primary purpose of an EPC (Electronic Product Code) in RFID systems?

Accepted Answer

To serve as a unique identifier for an item, enabling efficient data sharing and tracking throughout the supply chain.

Answer

To track the movement of an item in real-time, a function typically performed by RFID readers.

Answer

To store the price of an item, which is typically handled by other data fields.