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Questions and Answers

Which of the following is a PAN?

  • Zigbee (correct)
  • 1G
  • 2G
  • WIFI
  • A class 3 bluetooth can reach a distance of 100 meters.

    False

    Bluetooth Low Energy is also known as WiBree.

    True

    The standard for Zigbee is

    <p>IEEE.802.15.4</p> Signup and view all the answers

    Advanced Mobile Telephone Systems (AMTS) was used in the 1st generation of Mobile Network Technologies.

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

    The main drawback of the 1G Mobile Network Technologies is interoperability with different countries.

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

    A Mobile Network technology that uses TDMA to multiplex up to 8 calls per channel in the 900 and 1800 MHz bands.

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

    It enables cellular network operators to provide internet access, instant messaging and multimedia messaging using second generation of Mobile Networks

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

    HSDPA Is a 3G packet based data service in W CDMA downlink with data transmission up to 8 10 Mbit/s over a 5 MHz bandwidth in WCDMA downlink.

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

    4G uses network wide based IP based packet switching

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

    ____ Is a type of malware that takes control over a device without user knowedge.

    <p>Man-in-the middle</p> Signup and view all the answers

    ____ is a technique to improve a malicious website's ranking through increasing traffic, to the malicious website.

    <p>SEO poisoning</p> Signup and view all the answers

    Which of the following is a good practice to protect devices and networks?

    <p>All of the choice</p> Signup and view all the answers

    ____ is a type of firewall that hides private addresses of hosts in a local area network.

    <p>NAT firewall</p> Signup and view all the answers

    _____ is a type of hacker that tests systems with permission in order to identify system vulnerabilities.

    <p>White Hat</p> Signup and view all the answers

    _____ is a type of hacker that compromises systems without permission.

    <p>Gray hat</p> Signup and view all the answers

    When using port scanners, a port will be shown as If there is no reply from the host.

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

    ___ is a stage in the cyber defense kill chain where attacker gains remote access to the equipment.

    <p>Command and Control</p> Signup and view all the answers

    It has the ability to block traffic based on a positive rule or signature match

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

    An open standard protocol that allows an end user's credentials to access third party applications without exposing the user's password

    <p>OAuth 2.0</p> Signup and view all the answers

    Which of the following is true about CDM?

    <p>All of the choices</p> Signup and view all the answers

    _______ is a method that transmits digital information which are cut into smaller pieces of information that may take different routes.

    <p>Packet switching</p> Signup and view all the answers

    ________ is a packet switching approach wherein each packet takes different routes and is routed depending on the identifiers in the packet.

    <p>Packet switching</p> Signup and view all the answers

    In circult switching, _______ is a method wherein paths are separated spatially and requires interconnection in a grid to complete the end-to end physical link.

    <p>Crossbar switch</p> Signup and view all the answers

    In circuit switching, ______ is a method wherein a path between an output and input is managed by a control unit depending on the allotted time slot.

    <p>TDM Bus</p> Signup and view all the answers

    Which of the following is an example of a copper guided transmission medium?

    <p>Coaxial cable</p> Signup and view all the answers

    Which of the following is used to transmit electrical signals?

    <p>Coaxial cable</p> Signup and view all the answers

    Which of the following is used to transmit radio waves?

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

    Which of the cables was used for 10Base2 Ethernet?

    <p>RG58</p> Signup and view all the answers

    Which of the cables was used for 10Base5 Ethernet?

    <p>RG11</p> Signup and view all the answers

    ________ is a frame relay field used to inform the destination when there is congestion.

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

    Which of the following is true about ATM technology?

    <p>It uses statistical time division multiplexing</p> Signup and view all the answers

    Which of the following is true about ISDN?

    <p>All of the choices</p> Signup and view all the answers

    refers to one of the addresses in an ATM cell that indicates the channel number in the current path.

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

    Which of the following ISDN channels is used for voice and data only?

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

    What is the data rate of 1 DSO channel?

    <p>64 kbps</p> Signup and view all the answers

    _______ is a frame relay field that serves as the address of the frame relay connection.

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

    Which type of equalization is used in leased lines that automatically adjusts the frequency response?

    <p>Adaptive Equalization</p> Signup and view all the answers

    What is the data rate of EO line?

    <p>4 kbps</p> Signup and view all the answers

    A satellite has an orbital period that is the same as the rotation rate of the Earth.

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

    ______ is the is a European Standards Organization which is a recognized regional standards body dealing with telecommunications, broadcasting and other electronic communications networks and services. (acronym)

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

    IETF is a technical advisory group of the Internet Society which oversees the architecture and procedures used in Internet.

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

    ______ are documents maintained by lETF containing information about internet Protocols. (acronym)

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

    An organization that promotes long term research of importance to the evolution of the future internet.

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

    It is non treaty organization whose membership is comprised mainly of standards organizations of various countries and responsible for Open Systems Interconnect OST model.

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

    It is the United Nations specialized agency for information and communication technologies ICTs

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

    An ITU series of standards that covers the global information infrastructure, Internet protocol aspects, next generation networks, Internet of Things and smart cities.

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

    In Ethernet, it is an alternating pattern of ones and zeros that tells receiving stations that a frame is coming, and that provides a means to synchronize the frame reception portions of receiving physical layers with the incoming bit stream.

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

    How many bytes are allocated for the Ethernet address?

    <p>6</p> Signup and view all the answers

    VEEE 802.15.1 is the equivalent standard for Bluetooth.

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

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