Questions and Answers
What type of cable is primarily used to connect workstations in a computer network?
Which statement accurately describes Ethernet cables?
What does WiFi stand for?
What misconception exists regarding the acronym WAN?
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In the context of computer networks, what does the 'L' in LAN signify?
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How can different types of networks connect?
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Which of the following best describes WLAN?
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What are common devices that can connect via WiFi?
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Which statement is false regarding the relation between LAN and WAN?
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What characterizes WiFi as a popular LAN method?
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What distinguishes a Local Area Network (LAN) from a Wide Area Network (WAN)?
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Which protocol has largely replaced the Token Ring Protocol due to its efficiency?
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What is the primary function of the Token in the Token Ring Protocol?
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Which of the following is NOT a type of computer network protocol mentioned?
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What is a common characteristic of both LANs and WANs?
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What issue does the Token Ring Protocol address to prevent data collisions?
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What is a characteristic of the Ethernet Protocol?
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Which protocol is likely the least efficient for connecting computers?
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What defines the connection between two computing devices in a network?
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Why is Token Ring Protocol considered to be outdated?
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Study Notes
Computer Networks Overview
- Computer networks consist of two or more interconnected computers.
- Two primary types:
- Local Area Network (LAN): Connects computers within limited geographic areas, such as homes or schools.
- Wide Area Network (WAN): Connects computers across larger geographic regions, such as cities or countries.
Network Connections
- Connections can be either wired or wireless.
- A communication path between devices involves a sequence starting from a sender to a receiver.
Computer Network Protocols
- Protocols define communication standards for networked computers.
- Three main protocols:
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Token Ring Protocol:
- Rarely used, has been mostly replaced by Ethernet.
- Wired LAN setup connecting devices in a ring.
- Data transfer initiated by sending a "Token" signal, limiting data transmission to authorized computers only.
- Inefficient due to delays as each station must wait its turn to send data.
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Ethernet Protocol:
- Widely used wired LAN protocol, capable of data rates of up to 1 gigabit per second.
- Utilizes a single common cable (Ethernet Cable) for communication among connected devices.
- Backward compatible, facilitates connection between old and new technologies.
- Prevents data collisions, allowing simultaneous data sending and receiving.
-
WiFi Protocol:
- Most common LAN type, also known as WLAN.
- Connects devices using radio waves instead of cables.
- "WiFi" stands for Wireless Fidelity, ensuring accurate wireless data transmission.
- Incorrectly thought to represent "Wireless Area Network"; in reality, WAN emphasizes wide geographic coverage rather than connection type.
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Token Ring Protocol:
Modern Network Configurations
- Many networks now utilize a combination of Ethernet and WiFi based on specific needs.
- Some WANs encompass smaller LANs and may utilize both Ethernet and WiFi at different connection points.
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Description
This quiz explores the fundamentals of computer networks, focusing on the definitions and differences between Local Area Networks (LAN) and Wide Area Networks (WAN). Understand how these networks connect computers in various geographic areas and their capabilities for wired and wireless connections.