Podcast
Questions and Answers
What is the purpose of a repeater in a network?
What is the purpose of a repeater in a network?
- Interpret binary data into voltage levels
- Increase the distance a digital signal can travel (correct)
- Encode digital data into a recognizable format
- Convert binary data into digital signals
Which of the following represents the signaling method used over fiber-optic cables?
Which of the following represents the signaling method used over fiber-optic cables?
- Light Pulses (correct)
- Microwave Signals
- Sound Waves
- Electrical Signals
What does encoding achieve in the context of digital data transfer?
What does encoding achieve in the context of digital data transfer?
- Transmits data over long distances without attenuation
- Converts bits into a recognizable format for the next device (correct)
- Decreases the bandwidth of the digital signal
- Increases the complexity of digital data
In digital signal encoding, what does Nonreturn to Zero-Level (NRZ-L) refer to?
In digital signal encoding, what does Nonreturn to Zero-Level (NRZ-L) refer to?
What is the primary benefit of using two distinct voltage levels for binary digits in digital transmission?
What is the primary benefit of using two distinct voltage levels for binary digits in digital transmission?
What role does a network interface card (NIC) play in physical layer communication?
What role does a network interface card (NIC) play in physical layer communication?
What is the primary purpose of the Physical Layer in a network?
What is the primary purpose of the Physical Layer in a network?
Which of the following is NOT considered a Physical Layer component?
Which of the following is NOT considered a Physical Layer component?
What is the role of Encoding in the Physical Layer?
What is the role of Encoding in the Physical Layer?
What is the role of Signaling in the Physical Layer?
What is the role of Signaling in the Physical Layer?
Which of the following is a primary function of a Network Interface Card (NIC) in the Physical Layer?
Which of the following is a primary function of a Network Interface Card (NIC) in the Physical Layer?
What is the primary purpose of the physical layer in a data network?
What is the primary purpose of the physical layer in a data network?
Which of the following is NOT a characteristic of the physical layer in a data network?
Which of the following is NOT a characteristic of the physical layer in a data network?
What is the primary function of a Network Interface Card (NIC) in a data network?
What is the primary function of a Network Interface Card (NIC) in a data network?
Which of the following is a key characteristic of the physical layer's encoding and signaling functions?
Which of the following is a key characteristic of the physical layer's encoding and signaling functions?
What is the primary advantage of using fiber-optic cabling in a data network compared to other physical media?
What is the primary advantage of using fiber-optic cabling in a data network compared to other physical media?
Which of the following is the primary function of the signaling mechanism in the physical layer?
Which of the following is the primary function of the signaling mechanism in the physical layer?
