Networking Model And Wireless Technology! Trivia Quiz

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| By Catherine Halcomb
Catherine Halcomb
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  • 1/40 Questions

    Because fiber-optic cabling uses light pulses instead of electrical signals, it is immune to interference and highly resistant to eavesdropping.

    • True
    • False
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Networking Model And Wireless Technology! Trivia Quiz - Quiz

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  • 2. 

    One of the problems that can occur in the Netowkr layer is the incorrect configuration of a hosts IP address.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the Network layer is responsible for routing and forwarding data packets across different networks. One common problem that can occur in this layer is when a host's IP address is configured incorrectly. This can lead to communication issues and the inability to connect to other devices or networks. It is important to ensure that the IP address is properly configured to enable successful network communication.

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  • 3. 

    The Transport layer is the same in both the OSI model and the TCP/IP model

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The Transport layer is indeed the same in both the OSI model and the TCP/IP model. This layer is responsible for the end-to-end delivery of data between hosts, providing reliable and efficient communication services. It ensures that data is properly segmented, transmitted, and received, while also handling error detection, flow control, and congestion control. The protocols used in this layer, such as TCP (Transmission Control Protocol) and UDP (User Datagram Protocol), are common to both models and play a crucial role in establishing connections and delivering data reliably. Therefore, the statement is true.

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  • 4. 

    The are two basic categories of physical cabling used in Ethernet netowrks. They are copper wire and fiber optic.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because there are indeed two basic categories of physical cabling used in Ethernet networks: copper wire and fiber optic. Copper wire is the most commonly used type of cabling, as it is affordable and easy to install. It is typically used for shorter distances within buildings. On the other hand, fiber optic cabling is used for longer distances and offers higher bandwidth and faster data transmission. It is more expensive and requires specialized equipment for installation. Both types of cabling have their advantages and are used in different scenarios depending on the requirements of the network.

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  • 5. 

    Wireless networks are often used to extend the reach of a wired LAN.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Wireless networks are commonly used to extend the coverage area of a wired Local Area Network (LAN). This is achieved by setting up wireless access points that allow devices to connect to the wired LAN through a wireless connection. By using wireless technology, devices can access the LAN and its resources without the need for physical Ethernet cables. This enables users to connect to the network from different locations within the coverage area, providing flexibility and convenience. Therefore, the statement "Wireless networks are often used to extend the reach of a wired LAN" is true.

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  • 6. 

    Wireless and wired networks are both susceptible to RFI

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Both wireless and wired networks are susceptible to RFI (Radio Frequency Interference). RFI refers to the interference caused by electromagnetic waves in the radio frequency spectrum. In wireless networks, RFI can be caused by various sources such as nearby electronic devices, power lines, or other wireless devices operating in the same frequency range. In wired networks, RFI can occur when the cables act as antennas and pick up electromagnetic signals from nearby sources. Therefore, both types of networks can experience disruptions and degraded performance due to RFI.

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  • 7. 

    The frequency at which a wireless network operates is measured in cycles per second and is expressed as what unit of measurement?

    • Hertz

    • Volts

    • Watts

    • Joules

    Correct Answer
    A. Hertz
    Explanation
    The frequency at which a wireless network operates is measured in cycles per second. This unit of measurement is known as hertz. Hertz is commonly used to express the frequency of various types of waves, including radio waves, which are used in wireless networks.

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  • 8. 

    What type of wiring should be used for a high-speed connection between two buildings?

    • Coaxial cabling

    • UTP cabling

    • STP cabling

    • Fiber-optic cabling

    Correct Answer
    A. Fiber-optic cabling
    Explanation
    Fiber-optic cabling should be used for a high-speed connection between two buildings because it offers the highest data transfer rates and bandwidth capacity compared to other types of cabling. Fiber-optic cables use light signals to transmit data, allowing for faster and more reliable communication over long distances. Additionally, fiber-optic cables are immune to electromagnetic interference and provide better security and signal integrity, making them an ideal choice for high-speed connections between buildings.

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  • 9. 

    Which is the IEEE standard that sets the standards for wireless networking?

    • 802.15

    • 802.3

    • 802.15

    • 802.11

    Correct Answer
    A. 802.11
    Explanation
    The correct answer is 802.11. This is the IEEE standard that sets the standards for wireless networking. It is commonly known as Wi-Fi and is used for wireless local area networks (WLANs) and internet access.

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  • 10. 

    The maximum transmission unit for Ethernet is 1518 bytes.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The maximum transmission unit (MTU) for Ethernet refers to the maximum size of a data packet that can be transmitted over an Ethernet network without being fragmented. In the case of Ethernet, the MTU is typically 1518 bytes, which includes the Ethernet header and trailer. This means that any data packet larger than 1518 bytes would need to be fragmented into smaller packets before being transmitted. Therefore, the statement "The maximum transmission unit for Ethernet is 1518 bytes" is true.

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  • 11. 

    Terrestrial and satellite ystems are two types of which wireless networking technology?

    • Infrared

    • Laser

    • Narrowband

    • Microwave

    Correct Answer
    A. Microwave
    Explanation
    Terrestrial and satellite systems are two types of wireless networking technology that use microwave frequencies. Terrestrial systems refer to wireless communication that occurs on the Earth's surface, such as Wi-Fi networks or cellular networks. Satellite systems, on the other hand, involve wireless communication through satellites in space, which transmit signals using microwave frequencies. Microwave frequencies are commonly used in wireless networking due to their ability to transmit data over long distances and penetrate obstacles like buildings or trees.

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  • 12. 

    What is a disadvantage of using fiber-optic cabling?

    • Limited to shorter distances due to high attenuation

    • Low bandwidth potential

    • High susceptibility to eavesdropping

    • Difficult to install

    Correct Answer
    A. Difficult to install
    Explanation
    One disadvantage of using fiber-optic cabling is that it is difficult to install. This is because fiber-optic cables are delicate and require specialized knowledge and equipment for installation. The process of installing fiber-optic cables involves carefully handling and connecting the fragile fibers, which can be time-consuming and labor-intensive. Additionally, the installation may require digging or drilling, making it more challenging and disruptive compared to other types of cabling.

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  • 13. 

    When a signal travels across network medium, it signal loses strength the further it gets from the transmitting station, to the point where the receiving station can no longer interpret the signals correctl. What is the term for this phenomenuon?

    • Electromagnetic interference

    • Crosstalk

    • Attenuation

    • Radio frequency interference

    Correct Answer
    A. Attenuation
    Explanation
    Attenuation is the correct term for the phenomenon described in the question. Attenuation refers to the loss of signal strength as it travels across a network medium. This loss of strength occurs due to factors such as distance, obstacles, and interference. As the signal gets further from the transmitting station, it weakens to the point where the receiving station cannot interpret the signals correctly. This phenomenon is commonly observed in various types of communication systems and is a crucial consideration in network design and signal transmission.

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  • 14. 

    What is the maximum bandwidth for a network cabled using category 5e UTP cable?

    • 10 Mbps

    • 16 Mbps

    • 100 Mbps

    • 1000 Mbps

    Correct Answer
    A. 1000 Mbps
    Explanation
    The correct answer is 1000 Mbps because category 5e UTP cable supports Gigabit Ethernet, which has a maximum bandwidth of 1000 Mbps. This type of cable is commonly used for high-speed data transmission in local area networks (LANs) and is capable of handling fast internet speeds and large file transfers.

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  • 15. 

    Which of the following connections might require a crossover cable?

    • Router to switch

    • Switch to computer

    • Switch to switch

    • Hub to computer

    Correct Answer
    A. Switch to switch
    Explanation
    A crossover cable is required when connecting two similar devices, such as switch to switch, without the use of a hub or a router. In this scenario, a crossover cable is needed to swap the transmit and receive lines in order for the devices to communicate effectively. Therefore, the correct answer is switch to switch.

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  • 16. 

    What is the way in which bit signals are represented on the network medium?

    • Encapsulating

    • Encoding

    • Decoding

    • Terminating

    Correct Answer
    A. Encoding
    Explanation
    Bit signals are represented on the network medium through encoding. Encoding refers to the process of converting data into a specific format that can be transmitted over the network. This format ensures that the data can be accurately interpreted by the receiving device. Different encoding techniques, such as Manchester encoding or differential encoding, are used to represent the 0s and 1s of the binary data on the network medium. By encoding the bit signals, the network ensures reliable and efficient transmission of data.

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  • 17. 

    Which layer has been subdivided into the Logical Link Control sublayer and the Media Access Control sublayer?

    • Physical

    • Data Link

    • Network

    • Transport

    Correct Answer
    A. Data Link
    Explanation
    The Data Link layer has been subdivided into the Logical Link Control (LLC) sublayer and the Media Access Control (MAC) sublayer. The LLC sublayer is responsible for managing communication between devices on the same network, while the MAC sublayer is responsible for controlling access to the network medium and handling the physical addressing of devices. This subdivision allows for more efficient and flexible control of data transmission at the Data Link layer.

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  • 18. 

    Put the layers of the OSI model in order from layer 7 to layer 1. a. Presentation b. Network c. Physical d. Data Link e. Transport f. Application g. Session

    • A, g, f, b, e, d, c

    • F, a, g, b, e, d, c

    • F, g, a, b, e, c, d

    • F, a, g, e, b, d, c

    Correct Answer
    A. F, a, g, e, b, d, c
    Explanation
    The correct order of the layers in the OSI model from layer 7 to layer 1 is: Application (f), Presentation (a), Session (g), Transport (e), Network (b), Data Link (d), Physical (c).

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  • 19. 

    One job that a router performs is that of a gatekeeper, which means that it can be configured to only allow certain packets access into the network based on a list of rules. What is that process called?

    • Media control

    • Packet forwarding

    • Access control

    • Signal bounce

    Correct Answer
    A. Access control
    Explanation
    A router performs the job of access control, which involves configuring it to only allow certain packets access into the network based on a list of rules. This process ensures that unauthorized packets are not allowed entry into the network, thereby enhancing network security.

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  • 20. 

    What type of wireless technology is used for 802.11b/g/n networks?

    • Spread-spectrum radio

    • Laser

    • Infrared

    • Narrowband radio

    Correct Answer
    A. Spread-spectrum radio
    Explanation
    Spread-spectrum radio is the correct answer because 802.11b/g/n networks use this type of wireless technology. Spread-spectrum radio is a method of transmitting radio signals over a range of frequencies, which helps to reduce interference and increase the overall reliability and range of the wireless network. This technology allows for multiple devices to communicate simultaneously without causing interference to each other, making it suitable for wireless networks with high data transfer rates like 802.11b/g/n.

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  • 21. 

    What does the Transport layer use to make sure that a message is reassembled correctly on the receiving device?

    • Source port number

    • Window Size

    • Destination port number

    • Sequence number

    Correct Answer
    A. Sequence number
    Explanation
    The Transport layer uses sequence numbers to ensure that a message is reassembled correctly on the receiving device. Sequence numbers are assigned to the segments of a message, allowing the receiving device to arrange them in the correct order. This ensures that the message is reconstructed accurately, even if the segments arrive out of order. By using sequence numbers, the Transport layer can verify the integrity and completeness of the message during transmission.

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  • 22. 

    The entrance facility is the place where the connection to a WAN is located. It is basically the point where the Lan begins and ends. What is another name for this point?

    • Departure point

    • Entrance point

    • Demarcation point

    • Customer premises point

    Correct Answer
    A. Demarcation point
    Explanation
    The correct answer is "demarcation point." The demarcation point refers to the location where the connection to a wide area network (WAN) is established. It is the point where the local area network (LAN) begins and ends, and it serves as the boundary between the service provider's network and the customer's premises.

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  • 23. 

    The Physical layer has been divided into two sublayers, called the LLC sublayer and the MAC sublayer.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The Physical layer has not been divided into two sublayers called the LLC sublayer and the MAC sublayer. The Physical layer is responsible for transmitting raw bits over a physical medium, while the LLC (Logical Link Control) and MAC (Media Access Control) sublayers are part of the Data Link layer.

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  • 24. 

    Which layer of the OSI model is responsbile for encryption and decryption?

    • Application

    • Presentation

    • Session

    • Transport

    Correct Answer
    A. Presentation
    Explanation
    The Presentation layer of the OSI model is responsible for encryption and decryption. This layer ensures that data is properly formatted and encrypted for secure transmission over the network. It takes care of tasks such as data compression, encryption, and decryption, allowing for secure communication between applications on different devices.

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  • 25. 

    What are all of the connections in a network considered, including the cables and their connectors?

    • Telecommunications closet

    • Horizontal wiring

    • Work area

    • Cable plant

    Correct Answer
    A. Cable plant
    Explanation
    The term "cable plant" refers to all of the connections in a network, including the cables and their connectors. It encompasses the entire physical infrastructure of the network, from the telecommunications closet to the horizontal wiring and work area. In other words, the cable plant includes all the components and elements that make up the network's connectivity, ensuring that data can be transmitted and received effectively.

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  • 26. 

    Which of the following is a length of cable that connects a computer to either a networking device or to an RJ-45 jack?

    • Patch panel

    • Cable segment

    • Backbone cable

    • Patch cable

    Correct Answer
    A. Patch cable
    Explanation
    A patch cable is a length of cable that connects a computer to either a networking device or to an RJ-45 jack. It is commonly used to connect computers to routers, switches, or patch panels in a local area network (LAN). Patch cables are typically short in length and have connectors, such as RJ-45 connectors, on both ends for easy connection. They are used to establish a temporary or permanent connection between network devices and provide high-speed data transmission.

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  • 27. 

    You are working at the help desk and you get a message that a user cannot access the Internet. You open a command prompt, ping the workstation's IP address, and get a response. You ask the user to try the Internet again. He does so with the same result - no connection. Which type of device is most likely to be the problem?

    • Physical layer device

    • Data Link layer

    • Network layer device

    • Presentation layer device

    Correct Answer
    A. Network layer device
    Explanation
    Based on the given scenario, the fact that the user is able to successfully ping the workstation's IP address indicates that the physical layer and data link layer devices are functioning correctly. Since the user is still unable to access the internet even after the successful ping, it suggests that the issue lies with a network layer device. The network layer is responsible for routing and forwarding data packets between different networks, so a problem with a network layer device could be causing the lack of internet connectivity.

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  • 28. 

    The Transport layer segments data into smaller chunks, the size of which is determined by which of the following?

    • MTU

    • LLC

    • PDU

    • TCP

    Correct Answer
    A. MTU
    Explanation
    The Transport layer segments data into smaller chunks, and the size of these chunks is determined by the Maximum Transmission Unit (MTU). MTU refers to the maximum size of a packet that can be transmitted over a network. The Transport layer divides the data into smaller segments to fit within the MTU of the network. This ensures efficient and reliable transmission of data across the network.

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  • 29. 

    In an MDI device, on which two pins does the device use to transmit?

    • 1 and 2

    • 3 and 4

    • 4 and 6

    • 3 and 6

    Correct Answer
    A. 1 and 2
    Explanation
    In an MDI device, the device uses pins 1 and 2 to transmit.

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  • 30. 

    Which of the following is not one of the main differences between the types of networking cabling?

    • The distance that a signal can travel

    • The ability to send and receive signals

    • The type of signal that the media can transmit

    • The speed at which the signal can be sent

    Correct Answer
    A. The ability to send and receive signals
    Explanation
    The main differences between types of networking cabling include the distance that a signal can travel, the type of signal that the media can transmit, and the speed at which the signal can be sent. The ability to send and receive signals is a fundamental requirement for any type of networking cabling, so it cannot be considered as a difference between them.

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  • 31. 

    What is the IEEE standard that governs all forms of Ethernet media?

    • 802.11

    • 802.3

    • 802.15

    • 802.2

    Correct Answer
    A. 802.3
    Explanation
    The IEEE standard that governs all forms of Ethernet media is 802.3. This standard defines the physical layer and the media access control (MAC) layer of Ethernet networks. It specifies the characteristics and requirements for different types of Ethernet media, such as twisted pair, coaxial cable, and fiber optic cables. The 802.3 standard also defines the protocols and procedures for transmitting and receiving data over Ethernet networks, ensuring compatibility and interoperability between different Ethernet devices.

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  • 32. 

    Which layer is responsible for the encoding of signals?

    • 3

    • 1

    • 5

    • 7

    Correct Answer
    A. 1
    Explanation
    Layer 1, also known as the Physical layer, is responsible for the encoding of signals. This layer defines the physical characteristics of the transmission medium, such as the type of cable or wireless technology used, as well as the electrical, optical, or radio signals that are used to transmit the data. Encoding refers to the process of converting digital data into a specific format that can be transmitted over the physical medium. Therefore, layer 1 is responsible for encoding the signals before they are transmitted.

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  • 33. 

    At which layer would you find errors that were caused by EMI?

    • Data Link

    • Transport

    • Physical

    • Network

    Correct Answer
    A. Physical
    Explanation
    Errors caused by electromagnetic interference (EMI) occur at the Physical layer of the OSI model. The Physical layer is responsible for transmitting raw bits over a physical medium, such as cables or wireless signals. EMI refers to the interference caused by electromagnetic radiation from external sources, which can disrupt the transmission of data. Therefore, errors caused by EMI would be found and dealt with at the Physical layer.

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  • 34. 

    The length of cable between the wall jack and a patch panel is called vertical cabling.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The length of cable between the wall jack and a patch panel is not called vertical cabling. Vertical cabling refers to the cabling that connects different floors or levels in a building. The cable between the wall jack and patch panel is actually known as horizontal cabling, as it runs horizontally within a single floor or room. Therefore, the statement is false.

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  • 35. 

    Which layer is responsible for determining the best parth a packet should travel across an internetwork?

    • Network

    • Transport

    • Session

    • Data Link

    Correct Answer
    A. Network
    Explanation
    The correct answer is Network. The Network layer is responsible for determining the best path a packet should travel across an internetwork. It is responsible for routing the packets and making decisions on the most efficient route to reach the destination. The Network layer uses various routing algorithms and protocols to make these decisions and ensure that the packets are delivered to the correct destination in the most efficient manner.

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  • 36. 

    What is the term used that defines network cabling in the work area and between telecommunications closets and equipment rooms.

    • Backbone cabling

    • Structured cabling

    • Horizontal wiring

    • Vertical wiring

    Correct Answer
    A. Structured cabling
    Explanation
    Structured cabling is the term used to define network cabling in the work area and between telecommunications closets and equipment rooms. It refers to a standardized system of cabling and connectivity that allows for the seamless transmission of data, voice, and video signals within a building or campus. This type of cabling provides a flexible and scalable infrastructure that can support various types of network devices and technologies. It includes components such as cables, connectors, patch panels, and outlets, all organized in a structured manner to ensure efficient and reliable communication throughout the network.

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  • 37. 

    The Network layer communicates with the Data Link layer and the Session layer

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The Network layer does not directly communicate with the Data Link layer and the Session layer. The Network layer is responsible for routing and forwarding data packets across different networks, while the Data Link layer is responsible for providing reliable data transfer between two directly connected devices, and the Session layer is responsible for establishing, maintaining, and terminating connections between applications. Therefore, the statement is false.

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  • 38. 

    What layer is responsible for making sure that the data that is sends and receives is in a format that the receiving and sending computers can understand?

    • 7

    • 6

    • 5

    • 4

    Correct Answer
    A. 6
    Explanation
    Layer 6, also known as the Presentation Layer, is responsible for ensuring that the data being sent and received is in a format that the receiving and sending computers can understand. This layer takes care of tasks such as data encryption, compression, and translation. It ensures that the data is properly formatted and can be interpreted correctly by the receiving and sending devices, regardless of their different data representation formats.

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  • 39. 

    Which layer is responsible for establishing a connection between the source and destination?

    • Application

    • Session

    • Transport

    • Presentation

    Correct Answer
    A. Session
    Explanation
    The session layer is responsible for establishing a connection between the source and destination. This layer manages the session establishment, maintenance, and termination. It establishes a logical connection between the two communicating devices and handles synchronization, checkpointing, and recovery of data exchange. It also manages session multiplexing, where multiple sessions can be created and managed simultaneously on the same network connection.

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  • 40. 

    At what layer do NICs operate?

    • Transport

    • Data Link

    • Physical

    • Network

    Correct Answer
    A. Data Link
    Explanation
    NICs, or Network Interface Cards, operate at the Data Link layer. This layer is responsible for the reliable transmission of data between directly connected devices on a local network. NICs handle tasks such as framing, error detection, and flow control. They also provide the physical connection between the computer and the network medium, such as Ethernet cables. Therefore, the Data Link layer is where NICs operate.

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  • Current Version
  • Aug 28, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 13, 2011
    Quiz Created by
    Catherine Halcomb
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