Wireless Network MCQs Quiz

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Wireless Network MCQs Quiz - Quiz

In this ever-advancing digital era, it is important to have information about the latest technological system that is in trend these days. To test your knowledge about the same thing, we've designed here an interesting quiz that will test your knowledge about wireless networks technology. Ready? Let's get started then. We wish you all the best!


Questions and Answers
  • 1. 

    What is the wireless communications technology used in retail operations to identify and secure merchandise?

    • A.

      RFID

    • B.

      Micro Sensors

    • C.

      UNII

    • D.

      ISM

    Correct Answer
    A. RFID
    Explanation
    RFID stands for Radio Frequency Identification, which is a wireless communications technology used in retail operations to identify and secure merchandise. It involves the use of tags or labels attached to the merchandise, which can be scanned by RFID readers to retrieve information about the product. This technology helps in tracking inventory, preventing theft, and improving overall efficiency in retail operations.

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  • 2. 

    What WLAN device is installed in or attached to a PC to provide an interface to a wireless network?

    • A.

      Network Adaptor

    • B.

      Access Point

    • C.

      Antenna

    • D.

      Repeater

    Correct Answer
    A. Network Adaptor
    Explanation
    A network adapter is a device that is installed in or attached to a PC to provide an interface to a wireless network. It allows the PC to connect to a wireless network and access the internet or other network resources. The network adapter acts as a bridge between the PC and the wireless network, converting the signals from the network into a format that the PC can understand and vice versa. It is an essential component for connecting a PC to a wireless network.

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  • 3. 

    Question 04. What industry association develops, publishes, and maintains the standards for wireless networks?

    • A.

      IEEE

    • B.

      ISM

    • C.

      UNII

    • D.

      FCC

    Correct Answer
    A. IEEE
    Explanation
    The correct answer is IEEE. IEEE, also known as the Institute of Electrical and Electronics Engineers, is an industry association that develops, publishes, and maintains the standards for wireless networks. They are responsible for setting the guidelines and protocols that ensure compatibility and interoperability among different wireless devices and networks.

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  • 4. 

    What is the term used to describe the ability for networking devices from different manufacturers to communicate effectively?

    • A.

      Interoperable

    • B.

      Accessible

    • C.

      Portable

    • D.

      Scalable

    Correct Answer
    A. Interoperable
    Explanation
    Interoperable is the term used to describe the ability for networking devices from different manufacturers to communicate effectively. This means that these devices can work together and exchange information seamlessly, regardless of their brand or origin. Interoperability is crucial in networking as it allows for the integration and compatibility of various devices, enabling a more efficient and flexible network infrastructure.

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  • 5. 

    Which of the FCC's RF bands operates in the frequency range of 2.4 GHz to 2.4835 GHz

    • A.

      ISM

    • B.

      RFID

    • C.

      SOHO

    • D.

      UNII

    Correct Answer
    A. ISM
    Explanation
    The correct answer is ISM. ISM stands for Industrial, Scientific, and Medical. It is an FCC RF band that operates in the frequency range of 2.4 GHz to 2.4835 GHz. This band is commonly used for various applications such as Wi-Fi, Bluetooth, and microwave ovens.

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  • 6. 

    What is the term used to identify the broadcast or generated electrical signals that can disrupt wireless communications?

    • A.

      RFI

    • B.

      RFID

    • C.

      FCC

    • D.

      ISM

    Correct Answer
    A. RFI
    Explanation
    RFI stands for Radio Frequency Interference. It refers to the broadcast or generated electrical signals that can disrupt wireless communications. These signals can come from various sources such as electronic devices, power lines, or other wireless systems. RFI can cause interference and degrade the quality of wireless signals, leading to poor reception or dropped connections. It is important to identify and mitigate RFI to ensure reliable wireless communication.

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  • 7. 

    What is the acronym used to identify a single remote network that typically connects to another network to conduct its work?

    • A.

      SOHO

    • B.

      HOSO

    • C.

      ISM

    • D.

      Enterprise Network

    Correct Answer
    A. SOHO
    Explanation
    SOHO stands for Small Office/Home Office. It is an acronym used to identify a single remote network that typically connects to another network to conduct its work. This term is commonly used to refer to small businesses or individuals who work from home and require a network connection to conduct their business activities.

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  • 8. 

    What is the term used to describe the ability of a network technology to be easily resized to meet the growing or changing requirements of an organization?

    • A.

      Scalability

    • B.

      Portability

    • C.

      Interoperability

    • D.

      Accessibility

    Correct Answer
    A. Scalability
    Explanation
    Scalability is the term used to describe the ability of a network technology to be easily resized to meet the growing or changing requirements of an organization. This means that the network can handle increased traffic, data, or users without experiencing a decrease in performance or efficiency. Scalability is important for organizations as it allows them to adapt and expand their network infrastructure as needed, ensuring that it can support their current and future needs. Portability refers to the ability to move or transfer technology or data between different systems or platforms. Interoperability refers to the ability of different systems or technologies to work together and exchange information. Accessibility refers to the ease of accessing and using technology or information.

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  • 9. 

    Which of the FCC's RF bands operates in the frequency range of 4.9 GHz to 5.825 GHz?

    • A.

      UNII

    • B.

      ISM

    • C.

      RFID

    • D.

      SOHO

    Correct Answer
    A. UNII
    Explanation
    The correct answer is UNII. UNII stands for Unlicensed National Information Infrastructure and it operates in the frequency range of 4.9 GHz to 5.825 GHz. UNII bands are used for various wireless communication applications such as Wi-Fi, Bluetooth, and other wireless devices.

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  • 10. 

    A wireless extension to a wired network can eliminate the need for new __________ to be installed.

    • A.

      Cables

    • B.

      Access Point

    • C.

      Router

    • D.

      Bridges

    Correct Answer
    A. Cables
    Explanation
    A wireless extension to a wired network can eliminate the need for new cables to be installed because wireless technology allows devices to connect to the network without the use of physical cables. This means that additional devices can be added to the network without the hassle of running new cables, making it a convenient and cost-effective solution. Access points, routers, and bridges are all components that enable wireless connectivity, but cables are not necessary when using wireless technology.

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  • 11. 

    Which one of the following is not a consideration when deciding between a WLAN and a wired LAN beyond the network medium?

    • A.

      RF Interferences

    • B.

      Flexibility

    • C.

      Ease of installation

    • D.

      Scalability

    Correct Answer
    A. RF Interferences
    Explanation
    When deciding between a WLAN and a wired LAN, considerations such as flexibility, ease of installation, and scalability are important factors to take into account. However, RF interferences are not a consideration in this decision. RF interferences refer to the disruptions caused by other wireless devices or signals in the environment, which can affect the performance of a WLAN. While it is important to address and mitigate RF interferences in a WLAN, it is not a consideration when deciding between a WLAN and a wired LAN, as wired LANs are not affected by RF interferences in the same way.

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  • 12. 

    The __________ of a network refers to the network's capability to change as needed to meet the expanding needs of an organization or home.

    • A.

      Scalability

    • B.

      Interoperability

    • C.

      Portability

    • D.

      Flexibility

    Correct Answer
    A. Scalability
    Explanation
    Scalability refers to the ability of a network to adapt and expand according to the growing requirements of an organization or home. It allows the network to handle increased traffic, data, and users without compromising performance or efficiency. Scalability ensures that the network can easily accommodate additional devices, users, or resources as needed, making it a crucial aspect for organizations or homes that anticipate growth or changes in their network infrastructure.

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  • 13. 

    Standards-based systems provide the assurance that all equipment manufactured to the same standard will be __________.

    • A.

      Interoperable

    • B.

      Scalable

    • C.

      Portable

    • D.

      Flexible

    Correct Answer
    A. Interoperable
    Explanation
    Standards-based systems ensure that all equipment manufactured to the same standard can work together and communicate effectively. This means that different devices from different manufacturers can seamlessly interact and exchange information, regardless of their specific characteristics or features. Interoperability is crucial in promoting compatibility, efficiency, and collaboration among various technologies, allowing for seamless integration and improved functionality in diverse environments.

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  • 14. 

    The acronym for International Organization for Standardization is:

    • A.

      ISO

    • B.

      SIO

    • C.

      IOS

    • D.

      SOI

    Correct Answer
    A. ISO
    Explanation
    ISO is the correct acronym for International Organization for Standardization. The organization develops and publishes international standards that ensure quality, safety, and efficiency in various industries. ISO standards are widely recognized and used globally, providing a common framework for businesses to operate and collaborate effectively. The acronym ISO is derived from the Greek word "isos," meaning equal, emphasizing the organization's aim to promote equal standards and practices worldwide.

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  • 15. 

     In a software world, __________ refers to the capability of a software program to run on different operating systems or hardware models.

    • A.

      Portability

    • B.

      Scalability

    • C.

      Flexibility

    • D.

      Interoperability

    Correct Answer
    A. Portability
    Explanation
    Portability in the software world refers to the ability of a software program to run on different operating systems or hardware models. This means that the program can be easily transferred or moved from one system to another without requiring significant modifications or adaptations. Portability is important as it allows software developers to create programs that can be used by a wider range of users, regardless of the specific operating system or hardware they are using. It also allows for easier maintenance and updates, as the program can be easily deployed on different platforms.

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  • 16. 

    Wireless personal devices are commonly referred to as __________ personal devices.

    • A.

      Mobile

    • B.

      Digital

    • C.

      Integrated

    • D.

      Pocket

    Correct Answer
    A. Mobile
    Explanation
    Wireless personal devices are commonly referred to as "mobile" personal devices because they are designed to be portable and used on the go. The term "mobile" emphasizes the ability of these devices to be easily carried and used anywhere, without the need for a fixed or wired connection. This term is widely used and understood in the context of smartphones, tablets, and other portable electronic devices that rely on wireless communication technologies.

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  • 17. 

    GPS is an acronym for Global __________ System.

    • A.

      Positioning

    • B.

      Political

    • C.

      Policing

    • D.

      Portability

    Correct Answer
    A. Positioning
    Explanation
    The correct answer is "Positioning" because GPS stands for Global Positioning System. It is a navigation system that uses satellites to accurately determine the position, velocity, and time synchronization of a receiver anywhere on Earth.

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  • 18. 

    A wireless __________ includes and supports the functions of an access point, a wireless switch, and a router.

    • A.

      Router

    • B.

      Bridge

    • C.

      PC Card

    • D.

      NIC

    Correct Answer
    A. Router
    Explanation
    A wireless router includes and supports the functions of an access point, a wireless switch, and a router. It acts as a central hub for a wireless network, allowing devices to connect wirelessly and providing internet connectivity. It combines the functionality of a traditional router, which directs network traffic between different devices, with the capabilities of an access point, which enables wireless connections. Additionally, a wireless router can also function as a wireless switch, allowing multiple devices to connect to the network simultaneously.

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  • 19. 

    Which one of the following devices rebroadcasts the signals it receives after conditioning them for increased strength and clarity?

    • A.

      Repeater

    • B.

      Bridge

    • C.

      Gateway

    • D.

      Router

    Correct Answer
    A. Repeater
    Explanation
    A repeater is a device that receives signals and then amplifies and retransmits them to increase their strength and clarity. It is commonly used in network communication to extend the range of a signal or to improve its quality. Unlike other devices mentioned in the options (bridge, gateway, router), a repeater specifically focuses on boosting and rebroadcasting signals, making it the correct answer in this context.

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  • 20. 

    Wireless networks transmit using RF signals, which require a __________ to receive and transmit signals through the air.

    • A.

      Antenna

    • B.

      Repeater

    • C.

      Router

    • D.

      Remote

    Correct Answer
    A. Antenna
    Explanation
    Wireless networks transmit data using radio frequency (RF) signals. These signals are transmitted through the air and require an antenna to both receive and transmit the signals. The antenna acts as the interface between the wireless device and the air, allowing the device to send and receive data wirelessly. A repeater is a device that amplifies and extends the range of wireless signals, but it does not directly transmit or receive signals through the air like an antenna does. A router is a device that connects multiple devices to a network, but it does not directly transmit or receive signals through the air. A remote is a device used to control another device, and it does not transmit or receive signals through the air in the context of wireless networks.

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  • 21. 

    Implementing wireless __________ requires the use of telephones that include an RF transmitter and antenna.

    • A.

      VoIP

    • B.

      RFID

    • C.

      PDA

    • D.

      Repeater

    Correct Answer
    A. VoIP
    Explanation
    Implementing wireless VoIP requires the use of telephones that include an RF transmitter and antenna. VoIP stands for Voice over Internet Protocol, which is a technology that allows voice communication over the internet. In order to use wireless VoIP, telephones need to have an RF (Radio Frequency) transmitter and antenna to transmit and receive voice signals wirelessly.

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  • 22. 

    The read/write unit of an RFID system constantly scans on its __________ frequency for any transponders within its range sending out a signal that causes the transponder to respond with its encoded information.

    • A.

      13.56 MHz

    • B.

      5 GHz

    • C.

      2.4 GHz

    • D.

      614 MHz

    Correct Answer
    A. 13.56 MHz
    Explanation
    The read/write unit of an RFID system constantly scans on its 13.56 MHz frequency for any transponders within its range. This frequency is used to send out a signal that causes the transponder to respond with its encoded information.

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  • 23. 

    In U.S., which one of the following agencies is responsible for the allocation, licensing, registration, and management of the RF bands not used for government and military purposes?

    • A.

      FCC

    • B.

      FBI

    • C.

      FDA

    • D.

      DOL

    Correct Answer
    A. FCC
    Explanation
    The Federal Communications Commission (FCC) is responsible for the allocation, licensing, registration, and management of the RF bands not used for government and military purposes in the U.S. The FCC is an independent agency of the U.S. government that regulates interstate and international communications by radio, television, wire, satellite, and cable. They ensure that the RF bands are used efficiently and effectively by non-government entities, such as businesses and individuals, while also protecting against interference and promoting competition in the communications industry.

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  • 24. 

    Which one of the following frequency bands is used for cordless phones?

    • A.

      900 MHz

    • B.

      40 MHz

    • C.

      75 MHz

    • D.

      300 MHz

    Correct Answer
    A. 900 MHz
    Explanation
    Cordless phones typically use the 900 MHz frequency band. This frequency band is commonly used for wireless communication devices due to its ability to provide good range and penetration through walls and obstacles. The 900 MHz frequency band offers a balance between range and interference, making it suitable for cordless phones to ensure clear and reliable communication within a household or office setting.

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  • 25. 

    In a wired network, security is a __________ access matter.

    • A.

      Physical

    • B.

      Logical

    • C.

      RF signal

    • D.

      Range

    Correct Answer
    A. Physical
    Explanation
    In a wired network, security is a physical access matter. This means that the security of the network is primarily dependent on physical measures such as locks, access controls, and physical barriers to prevent unauthorized access to the network infrastructure. It involves protecting the physical components of the network, such as routers, switches, and cables, from being tampered with or accessed by unauthorized individuals. This is important to ensure the confidentiality, integrity, and availability of the network and its data. Logical access, on the other hand, refers to controlling access to the network through authentication and authorization mechanisms. RF signal and range are not relevant to the security of a wired network.

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  • 26. 

    What wireless mode is being used by a student who uses a wireless connection to link to her lab partner's notebook PC in a study hall?

    • A.

      Ad-Hoc

    • B.

      Infrastructure

    • C.

      Fixed-base

    • D.

      Roaming

    Correct Answer
    A. Ad-Hoc
    Explanation
    The student is using an Ad-Hoc wireless mode to connect to her lab partner's notebook PC in a study hall. Ad-Hoc mode allows for a direct wireless connection between two devices without the need for a central access point or infrastructure. This mode is commonly used in scenarios where a temporary or peer-to-peer connection is required, such as sharing files or collaborating on a project.

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  • 27. 

    What type of network dynamically interconnects mobile wireless devices, which must include routing capabilities?

    • A.

      MANET

    • B.

      Ad-Hoc

    • C.

      MONET

    • D.

      WLAN

    Correct Answer
    A. MANET
    Explanation
    A MANET (Mobile Ad-Hoc Network) is a type of network that dynamically interconnects mobile wireless devices and must include routing capabilities. In a MANET, devices can communicate with each other directly without the need for a centralized infrastructure, making it suitable for scenarios where a fixed network infrastructure is not available or practical. The devices in a MANET act as both hosts and routers, allowing for the establishment of temporary and dynamic network connections. Therefore, MANET is the correct answer to the question.

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  • 28. 

    What wireless network mode is being used when an office worker connects to a WLAN BSS from his desktop?

    • A.

      Infrastructure

    • B.

      Fixed-base

    • C.

      Roaming

    • D.

      Ad-hoc

    Correct Answer
    A. Infrastructure
    Explanation
    When an office worker connects to a WLAN BSS (Wireless Local Area Network Basic Service Set) from his desktop, the wireless network mode being used is infrastructure. In infrastructure mode, the wireless network is set up with one or more access points that act as a central hub for all the connected devices. This allows the office worker to connect to the WLAN BSS through the access point, providing a more stable and reliable connection compared to ad-hoc mode.

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  • 29. 

    What is the acronym used to indicate a network that provides support for a single user in a 10-meter range?

    • A.

      PAN

    • B.

      LAN

    • C.

      MAN

    • D.

      CAN

    Correct Answer
    A. PAN
    Explanation
    The correct answer is PAN, which stands for Personal Area Network. A PAN is a network that provides support for a single user within a limited range of approximately 10 meters. It is typically used for connecting personal devices such as smartphones, tablets, and laptops to each other or to other peripherals like printers or headphones. PANs are often established using wireless technologies such as Bluetooth or Wi-Fi.

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  • 30. 

    What is the working space, the size of which is defined by the wireless technology in use, surrounding a wireless user?

    • A.

      POS

    • B.

      PAT

    • C.

      PAN

    • D.

      POT

    Correct Answer
    A. POS
    Explanation
    The working space surrounding a wireless user, which is defined by the wireless technology in use, is called the Personal Operating Space (POS). This space is determined by the range and capabilities of the wireless technology being utilized, such as Bluetooth or Wi-Fi. It refers to the area within which the user can effectively connect and interact with wireless devices or networks.

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  • 31. 

    What type of base station is associated with ad-hoc and peer-to-peer wireless networking?

    • A.

      IBSS

    • B.

      DHSS

    • C.

      ESS

    • D.

      BSS

    Correct Answer
    A. IBSS
    Explanation
    IBSS stands for Independent Basic Service Set, which is a type of base station associated with ad-hoc and peer-to-peer wireless networking. In an IBSS, devices can directly communicate with each other without the need for a central access point. This allows for a decentralized network where devices can connect and communicate with each other on an ad-hoc basis, without relying on a traditional infrastructure.

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  • 32. 

    Which of the following is used to describe a public, campus, or building area where users are able to establish wireless connections to a network?

    • A.

      Hotspot

    • B.

      CAN

    • C.

      Open source

    • D.

      PAN

    Correct Answer
    A. Hotspot
    Explanation
    A hotspot is used to describe a public, campus, or building area where users are able to establish wireless connections to a network. It refers to a location where Wi-Fi access is available to the public, allowing users to connect their devices and access the internet. Hotspots are commonly found in cafes, airports, hotels, and other public spaces, providing convenient and easily accessible internet connectivity for users on the go.

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  • 33. 

    When an access point is used to link a wireless network to a wired Ethernet network, the access is considered to be a:

    • A.

      BSS

    • B.

      ESS

    • C.

      IBSS

    • D.

      SSS

    Correct Answer
    A. BSS
    Explanation
    When an access point is used to link a wireless network to a wired Ethernet network, the access is considered to be a BSS (Basic Service Set). A BSS is a basic building block of a wireless network and consists of a single access point and one or more wireless devices connected to it. In this scenario, the access point acts as a central hub, connecting the wireless devices to the wired Ethernet network, allowing them to access resources and communicate with devices on the network.

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  • 34. 

    What is the acronym given to a wireless network defined into a specific area?

    • A.

      WLAN

    • B.

      CAN

    • C.

      WAN

    • D.

      LAN

    Correct Answer
    A. WLAN
    Explanation
    WLAN stands for Wireless Local Area Network. It is a wireless network that is defined within a specific area, such as a home, office, or campus. WLAN allows devices to connect to the internet or communicate with each other without the need for physical cables. This acronym is commonly used to refer to wireless networks that provide local connectivity.

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  • 35. 

    Ad-hoc mode of wireless network is also known as __________ mode.

    • A.

      Roaming

    • B.

      Infrastructure

    • C.

      Digital

    • D.

      Router

    Correct Answer
    A. Roaming
    Explanation
    Ad-hoc mode of a wireless network refers to a temporary network formed between devices without the need for a centralized infrastructure. In this mode, devices can directly communicate with each other without the use of a router or any other network infrastructure. The term "roaming" is used to describe this mode because devices can freely move and connect to each other as they roam within the network range.

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  • 36. 

    This mode of wireless network allows devices to communicate directly with each other.

    • A.

      Ad-hoc

    • B.

      Digital

    • C.

      Physical

    • D.

      Infrastructure

    Correct Answer
    A. Ad-hoc
    Explanation
    Ad-hoc mode is a type of wireless network that enables devices to communicate directly with each other without the need for a central infrastructure or access point. In this mode, devices can form a temporary network and exchange data directly, without relying on a pre-existing network infrastructure. This allows for quick and flexible communication between devices in situations where a centralized network is not available or practical.

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  • 37. 

    In an ad-hoc mode, each of the nodes must have the capability to relay network signals from one node to another, creating a __________ network as needed)

    • A.

      Peer-to-peer

    • B.

      Token-ring

    • C.

      Star

    • D.

      Wired

    Correct Answer
    A. Peer-to-peer
    Explanation
    In an ad-hoc mode, each node must have the capability to relay network signals from one node to another, creating a peer-to-peer network as needed. In a peer-to-peer network, all nodes have equal capabilities and can act as both clients and servers. This means that any node can communicate directly with any other node without the need for a central server or infrastructure. This decentralized approach allows for flexibility and scalability in the network, making it suitable for dynamic and temporary network setups.

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  • 38. 

    A __________ is self-created when roaming wireless devices are connected over a wireless link.

    • A.

      MANET

    • B.

      WPAN

    • C.

      DARPA

    • D.

      NTDR

    Correct Answer
    A. MANET
    Explanation
    A MANET, or Mobile Ad hoc Network, is a network that is formed by wireless devices connecting to each other over a wireless link. In this type of network, the devices themselves create the network infrastructure, without the need for any fixed infrastructure or centralized control. Therefore, a MANET can be considered as a self-created network in which roaming wireless devices are connected over a wireless link.

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  • 39. 

    One of the following is developing MANET standards for use in Internet access.

    • A.

      IETF

    • B.

      IEEE

    • C.

      DARPA

    • D.

      ACM

    Correct Answer
    A. IETF
    Explanation
    The correct answer is IETF. The Internet Engineering Task Force (IETF) is responsible for developing and promoting voluntary Internet standards. They are involved in the development of protocols, including those for Mobile Ad hoc Networks (MANETs), which are self-configuring networks of mobile devices. MANETs are commonly used for Internet access in situations where traditional infrastructure is not available or feasible. Therefore, it makes sense that the IETF would be developing MANET standards for use in Internet access.

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  • 40. 

    Since a wireless ad-hoc network is decentralized and its topology is dynamic, each of the wireless nodes must perform its own message __________.

    • A.

      Forwarding

    • B.

      Protocols

    • C.

      Switching

    • D.

      Range

    Correct Answer
    A. Forwarding
    Explanation
    In a wireless ad-hoc network, there is no central authority to control the network and the network topology can change frequently. Therefore, each wireless node in the network needs to independently handle the task of forwarding messages. This means that when a node receives a message, it must determine the best route to forward the message to its intended destination. By doing so, the network can efficiently transmit data from one node to another, ensuring effective communication within the network.

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  • 41. 

    __________ maintains the ad-hoc network topology by periodically broadcasting routing updates.

    • A.

      DSDV

    • B.

      AODV

    • C.

      DYMO

    • D.

      DSR

    Correct Answer
    A. DSDV
    Explanation
    DSDV (Destination-Sequenced Distance Vector) is a routing protocol that maintains the ad-hoc network topology by periodically broadcasting routing updates. It uses a sequence number to identify the freshness of routes, ensuring that the most recent routing information is used. This protocol is proactive, meaning it continuously updates and maintains routing tables even when there are no changes in the network. DSDV is suitable for small networks with low mobility, as it requires a considerable amount of overhead due to frequent updates.

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  • 42. 

    __________ includes the capabilities to perform both route discovery and maintenance.

    • A.

      DSR

    • B.

      AODV

    • C.

      DSR

    • D.

      DSDV

    Correct Answer
    A. DSR
    Explanation
    DSR (Dynamic Source Routing) includes the capabilities to perform both route discovery and maintenance. In DSR, when a source node wants to send data to a destination node, it first checks its route cache for a known route. If a route is not found, the source node initiates a route discovery process by broadcasting a route request packet. The route request packet is flooded through the network until it reaches the destination or a node with a known route to the destination. Once the route is discovered, it is stored in the route cache and used for subsequent data transmission. DSR also includes mechanisms for route maintenance, such as detecting and repairing broken routes.

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  • 43. 

    A __________ WLAN is one in which the wireless stations usually remain in a relatively fixed location or area)

    • A.

      Infrastructure

    • B.

      Linked

    • C.

      PAN

    • D.

      Ad-hoc

    Correct Answer
    A. Infrastructure
    Explanation
    An infrastructure WLAN refers to a wireless local area network where the wireless stations are typically stationary or fixed in a specific location or area. This type of WLAN is commonly found in homes, offices, or public places where the network is established with a central access point or router that connects all the devices. The infrastructure WLAN provides a stable and reliable network connection for the devices within its coverage area.

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  • 44. 

    Which one of the following is not an advantage of an infrastructure WLAN over an ad-hoc wireless network?

    • A.

      Portability

    • B.

      Scalability

    • C.

      Centralized

    • D.

      Security

    Correct Answer
    A. Portability
    Explanation
    The correct answer is Portability. An infrastructure WLAN provides the advantage of centralized management, allowing for easier network administration and control. It also offers scalability, meaning that it can be expanded and adapted to accommodate a larger number of devices. Additionally, an infrastructure WLAN typically offers better security measures compared to an ad-hoc wireless network. However, portability is not specifically an advantage of an infrastructure WLAN, as both infrastructure and ad-hoc networks can be portable depending on the setup and configuration.

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  • 45. 

    The central device in an infrastructure WLAN is a wireless __________.

    • A.

      Access-Point

    • B.

      Router

    • C.

      Bridge

    • D.

      Gateway

    Correct Answer
    A. Access-Point
    Explanation
    An access point is the central device in an infrastructure WLAN. It acts as a communication hub, allowing wireless devices to connect to the network and access resources. It is responsible for transmitting and receiving wireless signals, and it provides a connection between the wireless devices and the wired network infrastructure. The access point typically connects to a router or a switch to enable communication with other networks or the internet.

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  • 46. 

    Which one of the following is the topology of an infrastructure WLAN?

    • A.

      Star

    • B.

      Token-Ring

    • C.

      Bus

    • D.

      Ethernet

    Correct Answer
    A. Star
    Explanation
    The correct answer is "Star". In an infrastructure WLAN, all devices are connected to a central device called an access point. This access point acts as a hub and coordinates the communication between the devices. The devices communicate with each other through the access point, forming a star-like network topology. This topology allows for efficient communication and easy management of the network.

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  • 47. 

    __________ mode devices are able to connect to each other whenever they are within each other's range as long as they agree to a few basic link parameters.

    • A.

      IBSS

    • B.

      BSS

    • C.

      ESS

    • D.

      IEEE

    Correct Answer
    A. IBSS
    Explanation
    IBSS stands for Independent Basic Service Set, which is a mode in wireless networking. In IBSS mode, devices can connect to each other directly without the need for a central access point. They can establish a network whenever they are within each other's range, as long as they agree on certain link parameters. This mode is commonly used in ad-hoc networks, where devices need to communicate with each other without relying on a centralized infrastructure.

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  • 48. 

    Which one of the following is not a primary factor on how well a moving connection can remain linked to a WLAN?

    • A.

      Peer-to-peer

    • B.

      802.11 roaming

    • C.

      Roaming configuration

    • D.

      Duration of the movement

    Correct Answer
    A. Peer-to-peer
    Explanation
    A peer-to-peer connection refers to a direct connection between two devices without the need for a central server. However, in the context of a WLAN (Wireless Local Area Network), peer-to-peer connections are not a primary factor in determining how well a moving connection can remain linked. Factors such as 802.11 roaming (the ability of a device to switch between different access points), roaming configuration (settings that determine how devices handle roaming), and the duration of the movement are more relevant in maintaining a stable connection while moving within a WLAN.

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  • 49. 

    Once the wireless device is associated with an access point and communicating, the device is no longer __________.

    • A.

      Roaming

    • B.

      Transmitting

    • C.

      Configured

    • D.

      Broken

    Correct Answer
    A. Roaming
    Explanation
    Once the wireless device is associated with an access point and communicating, the device is no longer roaming. Roaming refers to the ability of a device to connect to different access points as it moves between different areas. Once the device is associated with an access point, it has established a stable connection and is no longer in the process of roaming.

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  • 50. 

    A PAN is a network that exists around a __________ user(s).

    • A.

      Single

    • B.

      Multiple

    • C.

      Enterprise-wide

    • D.

      Small

    Correct Answer
    A. Single
    Explanation
    A PAN, or Personal Area Network, is a network that exists around a single user. It is designed to connect devices within a small area, typically within reach of the user. This network allows the user to easily access and control their personal devices, such as smartphones, tablets, and laptops, without the need for external connections.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 07, 2015
    Quiz Created by
    Brian Dot
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