Mobile Network Technologies Quiz
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Questions and Answers

Which technology operates using the standard IEEE.802.15.4?

  • Z-Wave
  • Bluetooth Classic
  • Zigbee (correct)
  • WIFI

    • What is the maximum theoretical speed of HSDPA in WCDMA downlink?

  • 2 Mbit/s
  • 20 Mbit/s
  • 8 Mbit/s
  • 10 Mbit/s (correct)

    • Which statement about class 3 Bluetooth is correct?

  • It operates in the same way as Zigbee.
  • It is designed for high-speed data transfer.
  • It has a range of 10 meters. (correct)
  • It has a range of 100 meters.

    • Which of the following malware types is designed to take control of a device without the user's knowledge?

    <p>Trojan horse</p> Signup and view all the answers

    What is the primary drawback of 1G mobile network technologies?

    <p>Interoperability issues</p> Signup and view all the answers

    What is Bluetooth Low Energy commonly known as?

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

    Which of the following mobile network generations is associated with Advanced Mobile Telephone Systems (AMTS)?

    <p>1G</p> Signup and view all the answers

    Which technique is used to enhance a malicious website's ranking through increased traffic?

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

    Which of the following is a copper guided transmission medium?

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

    Which statement is true about ATM technology?

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

    Which medium is used specifically to transmit electrical signals?

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

    Which option is used to transmit radio waves?

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

    Which cable was used for 10Base2 Ethernet?

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

    Which channel is used for voice and data only in ISDN?

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

    What refers to one of the addresses in an ATM cell indicating the channel number?

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

    Which method in circuit switching separates paths spatially and requires interconnection?

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

    What is the stage in the cyber defense kill chain where an attacker gains remote access to the equipment?

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

    Which of the following is associated with blocking traffic based on a positive rule match?

    <p>Intrusion Prevention System (IPS)</p> Signup and view all the answers

    In packet switching, what is the approach where each packet takes different routes?

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

    Which open standard protocol allows end-user credentials to access third-party applications?

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

    Which frame relay field is used to inform the destination of congestion?

    <p>Discriminator Element (DE)</p> Signup and view all the answers

    Which of the following represents a method in circuit switching that manages the path based on time slots?

    <p>Time Division Multiplexing (TDM)</p> Signup and view all the answers

    What does filtered communication mean in terms of traffic management?

    <p>Blocks certain traffic types</p> Signup and view all the answers

    How many total bits are there in one T1 frame if it consists of 24 voice channels each using 8-bit PCM codes and 1 framing bit?

    <p>193 bits</p> Signup and view all the answers

    What is the total bandwidth (in kHz) of 2 basic groups in AT&T FDM Hierarchy?

    <p>96 kHz</p> Signup and view all the answers

    What is the carrier frequency (kHz) of the DSBSC signal for channel 1 of the basic group?

    <p>108 kHz</p> Signup and view all the answers

    How many crosspoints are needed in circuit switching using space division multiplexing with 15 inputs and 15 outputs?

    <p>225</p> Signup and view all the answers

    What is the carrier frequency (kHz) of the DSBSC signal for voice channel 7 in AT&T FDM Basic Group Formation?

    <p>84 kHz</p> Signup and view all the answers

    When calculating the number of voice channels that a T2 line carries, what is the resulting value?

    <p>96 channels</p> Signup and view all the answers

    If each voice channel in the basic group has a 4 kHz bandwidth, how many kHz does one basic group represent?

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

    What is the primary purpose of framing bits in a T1 frame?

    <p>To provide synchronization</p> Signup and view all the answers

    Which mobile network technology uses TDMA to multiplex up to 8 calls per channel?

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

    What type of firewall hides private addresses of hosts in a local area network?

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

    Which type of hacker tests systems with permission to identify vulnerabilities?

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

    What type of hacker compromises systems without permission?

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

    Which statement is true about Code Division Multiple Access (CDMA)?

    <p>Each user is assigned a pseudo random code, which is orthogonal to all other codes.</p> Signup and view all the answers

    What is the consequence of receiving no replies when using port scanners?

    <p>The port is closed.</p> Signup and view all the answers

    Which of the following is a method that transmits digital information cut into smaller pieces?

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

    Which is NOT a type of firewall mentioned?

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

    Which organization is recognized as a European Standards Organization in telecommunications?

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

    What is the relationship between supergroups and voice channels in the AT&T FDM Hierarchy?

    <p>Each supergroup has 60 voice channels.</p> Signup and view all the answers

    Which of the following represents the number of bytes allocated for an Ethernet address?

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

    In Ethernet technology, what is the primary function of the Start Frame Delimiter?

    <p>To provide frame synchronization.</p> Signup and view all the answers

    How many total voice channels exist in 2 supergroups?

    <p>120</p> Signup and view all the answers

    What is the total number of voice channels in 2 master groups in the AT&T FDM Hierarchy?

    <p>1200</p> Signup and view all the answers

    Which organization's standard is equivalent to Bluetooth (IEEE 802.15.1)?

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

    Which option represents the purpose of a Preamble in Ethernet?

    <p>To synchronize the clock.</p> Signup and view all the answers

    Study Notes

    Questions and Answers

    • Question 1: Which of the following is a PAN?
      • Correct answer: Zigbee
    • Question 2: A class 3 bluetooth can reach a distance of 100 meters.
      • Answer: True
    • Question 3: Bluetooth Low Energy is also known as WiBree.
      • Answer: True
    • Question 4: The standard for Zigbee is
      • Correct answer: IEEE 802.15.2
    • Question 5: Advanced Mobile Telephone Systems (AMTS) was used in the 1st generation of Mobile Network Technologies.
      • Answer: True
    • Question 6: The main drawback of the 1G Mobile Network Technologies is interoperability with different countries.
      • Answer: True
    • Question 7: A Mobile Network technology that uses TDMA to multiplex up to 8 calls per channel in the 900 and 1800 MHz bands.
      • Correct answer: GSM
    • Question 8: It enables cellular network operators to provide internet access, instant messaging and multimedia messaging using second generation of Mobile Networks.
      • Correct answer: GPRS
    • Question 9: 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.
      • Answer: True
    • Question 10: 4G uses network wide based IP based packet switching.
      • Answer: True
    • Question 11: Is a type of malware that takes control over a device without user knowledge.
      • Correct answer: Trojan horse
    • Question 12: is a technique to improve a malicious website's ranking through increasing traffic, to the malicious website
      • Correct answer: SEO poisoning
    • Question 13: Which of the following is a good practice to protect devices and networks?
      • Correct answer: All of the choices (Use antivirus and antispyware, Keep firewall on, Update OS)
    • Question 14: is a type of firewall that hides private addresses of hosts in a local area network
      • Correct answer: Host-based firewall
    • Question 15: Is a type of hacker that tests systems with permission in order to identify system vulnerabilities
      • Correct answer: White Hat
    • Question 16: is a type of hacker that compromises systems without permission
      • Correct answer: Black Hat
    • Question 17: When using port scanners, a port will be shown as If there is no reply from the host.
      • Correct answer: filtered
    • Question 18: is a stage in the cyber defense kill chain where attacker gains remote access to the equipment
      • Correct answer: Command and Control
    • Question 19: It has the ability to block traffic based on a positive rule or signature match
      • Correct answer: IPS
    • Question 20: An open standard protocol that allows an end user's credentials to access third party applications without exposing the user's password
      • Correct answer: OAuth 2.0
    • Question 21: Which of the following is true about CDM?
      • Correct answer: Each user is assigned a pseudo random code, which should be orthogonal to all the other codes.
    • Question 22: Is a method that transmits digital information which are cut into smaller pieces of information that may take different routes
      • Correct answer: Packet switching
    • Question 23: Is a packet switching approach wherein each packet takes different routes and is routed depending on the identifiers in the packet
      • Correct answer: Virtual circuit
    • Question 24: In circuit switching, is a method wherein paths are separated spatially and requires interconnection in a grid to complete the end-to-end physical link
      • Correct answer: Crossbar switch
    • Question 25: 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
      • Correct answer: Crossbar switch
    • Question 26: Which of the following is an example of a copper guided transmission medium?
      • Correct answer: Coaxial cable
    • Question 27: Which of the following is used to transmit electrical signals?
      • Correct answer: All of the choices (Coaxial cable, Fiber optic cable, Waveguide)
    • Question 28: Which of the following is used to transmit radio waves?
      • Correct answer: Waveguide
    • Question 29: Which of the cables was used for 10Base2 Ethernet?
      • Correct answer: RG58
    • Question 30: Which of the cables was used for 10Base5 Ethernet?
      • Correct answer: RG8
    • Question 31: is a frame relay field used to inform the destination when there is congestion
      • Correct answer: DLO or FECN
    • Question 32: Which of the following is true about ATM technology?
      • Correct answer: Uses statistical time division multiplexing.
    • Question 33: Which of the following is true about ISDN?
      • Correct answer: It integrates speech and data on the same line of the PSTN. It is a packet switched network that provides digital transmission of voice and data over telephone copper lines. It can be used on optical fiber cables
    • Question 34: refers to one of the addresses in an ATM cell that indicates the channel number in the current path
      • Correct answer: VPI or VCI
    • Question 35: Which of the following ISDN channels is used for voice and data only?
      • Correct answer: B
    • Question 36: What is the data rate of 1 DSO channel?
      • Correct answer: 8 kbps
    • Question 37: is a frame relay field that serves as the address of the frame relay connection
      • Correct answer: DLCI
    • Question 38: Which type of equalization is used in leased lines that automatically adjusts the frequency response?
      • Correct answer: Adaptive Equalization
    • Question 39: What is the data rate of EO line?
      • Correct answer: 64 kbps
    • Question 40: A satellite has an orbital period that is the same as the rotation rate of the Earth
      • Correct answer: Geosynchronous
    • Question 41: is the is a European Standards Organization which is a recognized regional standards body dealing with telecommunications
      • Correct answer: ETSI
    • Question 42: IETF is a technical advisory group of the Internet Society which oversee the architecture and procedures used in Internet
      • Correct answer: True
    • Question 43: are documents maintained by IETF containing information about internet Protocols
      • Correct answer: RFC
    • Question 44: An organization that promotes long term research of importance to the evolution of the future internet
      • Correct answer: IRTF
    • Question 45: It is non treaty organization whose membership is comprised mainly of standards organizations of various countries and responsible for Open Systems Interconnect OS model
      • Correct answer: ISO
    • Question 46: It is the United Nations specialized agency for information technologies ICTs. and communication
      • Correct answer: ITU
    • Question 47: An ITU series of standards that covers the global information infrastructure, Internet protocoaspects, next generation networks, Internet of Things and smart cities
      • Correct answer: X
    • Question 48: 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
      • Correct answer: Preamble
    • Question 49: How many bytes are allocated for the Ethernet address?
      • Correct answer: 6
    • Question 50: VEEE 802.15.1 is the equivalent standard for Bluetooth.
      • Correct answer: False

    Additional Questions and Solutions (pages 5 & 6)

    These questions involve calculations and specific scenarios related to network technologies. Solutions are not provided here due to their complexity, but the methods required to solve them are outlined below where appropriate. Please note that these solutions and calculations would involve understanding and applying formulas and concepts within the context of the provided materials.

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    Description

    Test your knowledge on mobile network technologies and standards with this engaging quiz. Explore questions related to PAN technologies, Bluetooth specifications, and the evolution of mobile networks from 1G to 2G. See how much you know about connectivity and communication protocols!

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