Questions and Answers
What are the two primary functions of a network device?
Forwarding data packets and allowing multiple devices to use the same internet connection
What is the main purpose of a modem?
To modulate and demodulate analog carrier signals for encoding and decoding digital information
What is the primary function of a firewall?
To monitor and filter incoming and outgoing network traffic based on security policies
Which type of network topology has every device connected to a central controller?
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What is the main advantage of a mesh network topology?
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What is the main disadvantage of a mesh network topology?
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What type of data transmission involves data flowing in one direction only?
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Which device creates a single network from multiple network segments?
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What is a device that connects two or more packet-switched networks or subnetworks?
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Which network device allows devices to communicate by exchanging data packets?
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What is an example of a full-duplex data transmission?
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Which networking hardware device is responsible for allowing hardware on a computer network to communicate with each other?
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What is a key advantage of a bus topology?
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In a bus topology, what is the function of a tap?
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What is a major disadvantage of a bus topology?
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In a ring topology, how is data transmitted?
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What is a key advantage of a tree topology?
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What is a disadvantage of a tree topology?
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What is the main disadvantage of a hybrid network topology?
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Which of the following is NOT a category of computer network?
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What is the primary characteristic that distinguishes a LAN from a WAN?
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What is the primary function of a Campus Area Network (CAN)?
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In the given example, how many computers are connected to the hub in the closet?
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Which of the following statements about WLANs is true?
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What is the primary characteristic that distinguishes a Metropolitan Area Network (MAN) from a Local Area Network (LAN)?
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Which of the following best describes the purpose of a Wide Area Network (WAN)?
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What is the primary characteristic that distinguishes a Personal Area Network (PAN) from other network types?
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Which of the following is NOT a characteristic of a Wide Area Network (WAN)?
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What type of network would be most suitable for interconnecting multiple Local Area Networks (LANs) within a city?
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Which of the following statements about WANs is correct?
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Study Notes
- Functions of network devices include managing traffic between networks by forwarding data packets and allowing multiple devices to use the same Internet connection.
- Modem is a network device that modulates and demodulates analog carrier signals for encoding and decoding digital information.
- A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on established security policies.
- Different types of connections include point-to-point and multipoint, with various physical topologies like tree and mesh.
- Network devices such as switches, bridges, and routers facilitate communication and interaction among hardware on a computer network.
- Router connects two or more packet-switched networks or subnetworks and does not have direct traffic and link between devices.
- Common network topologies include bus, ring, and tree, each with its advantages and disadvantages in terms of installation and fault tolerance.
- Categories of networks include LAN, WLAN, CAN, MAN, WAN, and PAN, each serving different geographic areas and connectivity needs.
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Description
Explore the fundamentals of data communication and networks, including data flow, simplex, half-duplex, full-duplex, and network devices. Learn about message delivery options and data representation through text, numbers, images, audio, and video. Watch related videos for a comprehensive understanding of the topic.