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Evolution of Computer Networks Quiz
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Evolution of Computer Networks Quiz

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Questions and Answers

What has become ubiquitous in today's homes and offices?

  • Interoffice mail
  • Wireless networks (correct)
  • Large individual computers
  • Photocopiers

    • What is an example of a form of communication that became available with the growth of networks?

  • Fax machines
  • Pagers
  • Email (correct)
  • Telex machines

    • What has significantly changed the way memos are distributed within a company?

  • Smartphones
  • Interoffice mail
  • Photocopiers
  • Networks (correct)

    • What technology has allowed the instantaneous embarrassment resulting from a mistaken click of the Reply All button?

    <p>Networks</p> Signup and view all the answers

    What has been a focus of the chapter's discussion on network concepts?

    <p>How a network sends information</p> Signup and view all the answers

    What has become a common sight when using a smartphone, tablet, or laptop?

    <p>Dozens of wireless networks</p> Signup and view all the answers

    What is the primary function of servers in a network?

    <p>Centralizing control of resources and security</p> Signup and view all the answers

    What distinguishes dedicated servers from nondedicated servers?

    <p>Dedicated servers require fewer resources and specialize in specific applications or services</p> Signup and view all the answers

    How are LANs and WANs historically differentiated?

    <p>By connection speeds</p> Signup and view all the answers

    What is the primary purpose of wireless mesh networks (WMN)?

    <p>To use redundant connections to ensure smooth communication</p> Signup and view all the answers

    What is the role of network operating systems in a network?

    <p>To coordinate the activities of various network components</p> Signup and view all the answers

    How are dedicated servers different from multipurpose servers?

    <p>Dedicated servers specialize in specific applications or services, requiring fewer resources</p> Signup and view all the answers

    What is the purpose of CompTIA’s Network+ exam?

    <p>To provide a non-company-specific networking certification</p> Signup and view all the answers

    What is the function of a personal area network (PAN)?

    <p>Designed around one person within a very limited boundary area, often using Bluetooth technology</p> Signup and view all the answers

    What is the primary purpose of a metropolitan area network (MAN)?

    <p>Bigger than a LAN but not as big as a WAN</p> Signup and view all the answers

    What was a limitation of stand-alone personal computers in the late 1970s for larger companies?

    <p>Insufficient hard-drive capacities</p> Signup and view all the answers

    What was a significant change in computing in the 1980s?

    <p>Introduction of portables, allowing computing to become mobile</p> Signup and view all the answers

    What is the primary benefit of computer networks?

    <p>Enabling users to share resources and increase productivity</p> Signup and view all the answers

    What is the primary function of workstations in a network?

    <p>Perform activities such as word processing and graphic design</p> Signup and view all the answers

    What is necessary for workstations to communicate with servers in a network?

    <p>Network interface card (NIC)</p> Signup and view all the answers

    Why do networks provide cost savings for organizations?

    <p>By allowing printers and storage space to be shared among multiple workstations</p> Signup and view all the answers

    What is a key advantage of storing files on a server in a network?

    <p>Allows for periodic backup by the administrator</p> Signup and view all the answers

    What role does hardware play in differentiating between workstations and servers?

    <p>Servers typically need more powerful hardware than workstations</p> Signup and view all the answers

    What is a benefit of sharing applications over a network?

    <p>Reduces the need to install applications on every computer in the office</p> Signup and view all the answers

    What is the main distinction between WANs and LANs?

    <p>WANs cover large geographical areas, while LANs are limited to single buildings</p> Signup and view all the answers

    What is a characteristic of Bluetooth networks?

    <p>They are formed on an ad hoc basis, creating a dynamically created network called a piconet</p> Signup and view all the answers

    What is the main difference between PANs and WANs?

    <p>PANs are commonly associated with Bluetooth technology, while WANs involve publicly available communication lines</p> Signup and view all the answers

    What is the role of Wireless Mesh Networks (WMNs)?

    <p>They have multiple redundant connections and are commonly accessed through wireless access points (WAPs)</p> Signup and view all the answers

    What was the purpose of forming the Bluetooth Special Interest Group (SIG) in 1998?

    <p>To unify computing, mobile communications, and the auto industry</p> Signup and view all the answers

    How were LANs in the 1980s different from LANs today?

    <p>Rudimentary LANs in the 1980s could only cover a single floor of the office, supporting no more than 30 computers, while LANs today support multiple users accessing programs or files concurrently</p> Signup and view all the answers

    What is a common sight when using a smartphone, tablet, or laptop today?

    <p>Wireless networks</p> Signup and view all the answers

    What became available with the introduction and growth of networks?

    <p>Email</p> Signup and view all the answers

    What was a limitation of stand-alone personal computers in the late 1970s for larger companies?

    <p>Connecting to a network</p> Signup and view all the answers

    What has significantly changed the way memos are distributed within a company?

    <p>Email</p> Signup and view all the answers

    What is the primary function of servers in a network?

    <p>Storing and managing data</p> Signup and view all the answers

    What is a key advantage of storing files on a server in a network?

    <p>Instantaneous access and sharing</p> Signup and view all the answers

    What is the primary factor that differentiates a workstation from a server in a network?

    <p>The operating system installed and the role it plays on the network</p> Signup and view all the answers

    What is the primary reason for servers needing more powerful hardware than workstations?

    <p>Due to their role on the network</p> Signup and view all the answers

    What is a key benefit of storing files on a server in a network?

    <p>Periodic backup by the administrator and saving disk space</p> Signup and view all the answers

    What is a primary advantage of sharing applications over a network?

    <p>Reducing the need to install applications on every computer in the office</p> Signup and view all the answers

    What is the primary function of network client software in operating systems?

    <p>Allowing computers to participate in the network</p> Signup and view all the answers

    What is the purpose of a network interface card (NIC) in workstations?

    <p>To communicate with servers</p> Signup and view all the answers

    What is a characteristic of a personal area network (PAN)?

    <p>It is designed around one person within a very limited boundary area, often using Bluetooth technology.</p> Signup and view all the answers

    What was a significant change in computing in the 1980s?

    <p>Rise of portable computers allowing mobility</p> Signup and view all the answers

    What is the primary function of a wireless mesh network (WMN)?

    <p>To distribute resources across great distances using mesh topology</p> Signup and view all the answers

    What was a limitation of stand-alone personal computers in the late 1970s for larger companies?

    <p>Small hard-drive capacities and cumbersome document sharing</p> Signup and view all the answers

    What is the primary purpose of CompTIA’s Network+ exam?

    <p>To certify knowledge of non-company-specific networking principles and topics</p> Signup and view all the answers

    What distinguishes a metropolitan area network (MAN) from a local area network (LAN)?

    <p>LAN covers a wide geographical area and interconnects multiple buildings, while MAN is specific to a single office or building.</p> Signup and view all the answers

    What was the primary purpose of forming the Bluetooth Special Interest Group (SIG) in 1998?

    <p>To unify computing, mobile communications, and the auto industry</p> Signup and view all the answers

    What is a characteristic of Bluetooth networks?

    <p>They are formed on an ad hoc basis, creating a dynamically created network called a piconet</p> Signup and view all the answers

    What distinguishes dedicated servers from nondedicated servers?

    <p>Dedicated servers are exclusively used for one specific task or application</p> Signup and view all the answers

    What is the primary function of servers in a network?

    <p>To provide resources and services to other computers in the network</p> Signup and view all the answers

    What is the main distinction between WANs and LANs?

    <p>LANs are limited to single buildings, while WANs can span buildings, states, countries, and continental boundaries</p> Signup and view all the answers

    What is a benefit of sharing applications over a network?

    <p>Supporting multiple users accessing programs or files concurrently</p> Signup and view all the answers

    What is the primary role of a cloud-based network controller in managing a Wireless Mesh Network (WMN)?

    <p>To provide remote administration and management of the WMN</p> Signup and view all the answers

    What differentiates LANs from WANs in modern classifications?

    <p>Geographical distance</p> Signup and view all the answers

    What is the primary function of servers in a network?

    <p>Centralizing control of resources and security</p> Signup and view all the answers

    What distinguishes dedicated servers from nondedicated servers?

    <p>Dedicated servers specialize in specific applications or services, requiring fewer resources</p> Signup and view all the answers

    What is the key role of network operating systems in a network?

    <p>Managing and coordinating network resources and services</p> Signup and view all the answers

    What is the main purpose of Wireless Mesh Networks (WMNs) in terms of infrastructure?

    <p>To use redundant connections to ensure smooth communication</p> Signup and view all the answers

    Study Notes

    Evolution of Computer Networks

    • Introduction of the first PC local area network (LAN) was ShareNet by Novell, which had both hardware and software components
    • Simple LANs in the 1980s were rudimentary and could only cover a single floor of the office, supporting no more than 30 computers
    • LANs initially had limitations such as file locking, but now support multiple users accessing programs or files concurrently
    • Wide area networks (WANs) emerged in the late 1980s, expanding to cover large geographical areas and supporting thousands of users
    • WANs can span buildings, states, countries, and continental boundaries, unlike LANs which are limited to single buildings
    • Personal area networks (PANs) are commonly associated with Bluetooth technology, but can also be created with other technologies such as infrared
    • The Bluetooth Special Interest Group (SIG) was formed in 1998 to unify computing, mobile communications, and the auto industry
    • Bluetooth networks are formed on an ad hoc basis, creating a dynamically created network called a piconet, allowing communication between devices without a central communication point
    • Metropolitan area networks (MANs) span a city or large campus and are managed by a central IT organization, while WANs involve publicly available communication lines and service providers
    • Wireless mesh networks (WMNs) have multiple redundant connections and are commonly accessed through wireless access points (WAPs)
    • WAPs may connect wirelessly to another connectivity device, such as a wireless router, or use a wired connection to a router or switch
    • Mesh network topology is characterized by multiple redundant connections, providing reliability and coverage across a wide area

    Wireless Mesh Networks and Network Components

    • Wireless mesh networks (WMN) use redundant connections to ensure smooth communication
    • WMN infrastructure requires support from access points and other wireless infrastructure
    • WMN is managed through a cloud-based network controller for remote administration
    • A+ exam 220-1001 objective 2.7 covers Internet connection types, detailed in Chapter 8
    • Primary network components include servers, clients/workstations, and resources
    • Every network requires a network operating system and a shared medium for connectivity
    • LANs and WANs were historically differentiated by connection speeds, but today geographical distance is the common classification
    • Servers are crucial for centralizing control of resources and security in a network
    • Servers can perform various critical roles such as file hosting, printing services, and network storage
    • Servers can be multipurpose or single-purpose, and dedicated or nondedicated
    • Dedicated servers specialize in specific applications or services, requiring fewer resources
    • Nondedicated servers are more flexible, expected to provide network services and local access

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    Related Documents

    Networking.docx

    Description

    Test your knowledge of the evolution of computer networks with this quiz. Explore the development of LANs, WANs, PANs, Bluetooth technology, MANs, and wireless mesh networks through a series of informative questions.

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