Signalling Unit Length Indicator Quiz
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Questions and Answers

What is the purpose of the Length Indicator (LI) in the context of SUs?

  • To determine the number of octets between the Service Information Octet and the LI field.
  • To differentiate between the three types of SUs based on the number of octets. (correct)
  • To validate whether an SU was transmitted without errors.
  • To indicate the total length of the Signalling Information Field (SIF).

    • What is the maximum value allowed in the Length Indicator (LI) field?

  • 31
  • 63 (correct)
  • 128
  • 255

    • How are Check bits (CKs) used in SUs?

  • To specify the transmission speed of the SU.
  • To determine if the SU was transferred without any errors. (correct)
  • To identify the country code of the sending user.
  • To confirm the nationality of the network.

    • What information does the Service Information Octet (SIO) in MSUs contain?

    <p>Service Indicator (SI) and Network Identifier (NI). (D)</p> Signup and view all the answers

    How many User Parts (UPs) can be defined using the Service Indicator (SI) bits in MSUs?

    <p>16 (D)</p> Signup and view all the answers

    What does the Subservice field in the Service Information Octet indicate?

    <p>Where the Service Provider belongs, national or international network. (C)</p> Signup and view all the answers

    What action does the signalling traffic management take when a signalling link fails?

    <p>Initiate a changeover to a fault-free signalling link (C)</p> Signup and view all the answers

    In case of overloading, what does the signalling traffic management do?

    <p>Informs adjacent SPs of overloading and requests load reduction (D)</p> Signup and view all the answers

    What role do User Parts (UPs) play in the signalling system?

    <p>Accomplish functions like message formatting for specific user types (C)</p> Signup and view all the answers

    When a signalling link becomes available after a fault is corrected, what action does the signalling traffic management take?

    <p>Initiate a changeback to reverse the effect of the changeover (B)</p> Signup and view all the answers

    What does the signalling traffic management do when it can no longer reach Service Provider (SP) on a normal route?

    <p>Reroutes the signalling traffic to a predefined alternative route (D)</p> Signup and view all the answers

    How does the signalling traffic management achieve its functions?

    <p>Exchanging management messages with signalling route management (A)</p> Signup and view all the answers

    What is the overall objective of SSCP?

    <p>Providing means for transfer of signalling data units (C)</p> Signup and view all the answers

    Which OSI layer is the SCCP enhancing the services of?

    <p>Network layer (D)</p> Signup and view all the answers

    In the SS#7 hierarchy, what does SCCP provide between two users?

    <p>Logical signalling connection (C)</p> Signup and view all the answers

    How does SCCP route signalling information between nodes?

    <p>It interacts with the MTP to route information (A)</p> Signup and view all the answers

    What are primitives used for in SCCP communication?

    <p>To convey information between the levels (B)</p> Signup and view all the answers

    What is the combined term for MTP and SCCP in terms of providing services?

    <p>Network Service Part (NSP) (A)</p> Signup and view all the answers

    What is the main functionality of the MLS card in the CACU unit?

    <p>Acts as a L3 switch (A)</p> Signup and view all the answers

    Which card in the CACU unit is responsible for converting E1 traffic to Ethernet and vice versa?

    <p>EBM (C)</p> Signup and view all the answers

    What is the primary purpose of the SLM card in the CACU unit?

    <p>Acts as a shelf monitoring card (C)</p> Signup and view all the answers

    What protocol are all existing ANRAX terminated to the NGTK card over?

    <p>V5.2 (B)</p> Signup and view all the answers

    Which unit is required for every Co-located Line BM and Remote BM?

    <p>CACU system (A)</p> Signup and view all the answers

    What system is needed for every MBM system according to the provided information?

    <p>CACU system (D)</p> Signup and view all the answers

    Where is the DR site for the core equipment of the IMS project?

    <p>Hyderabad (A)</p> Signup and view all the answers

    Which company supplied the Access Equipments for Package 2 of the IMS project?

    <p>M/s Huawei and M/s ZTE (D)</p> Signup and view all the answers

    What is the purpose of Line Media Gateway (LMG) in the IMS project?

    <p>To replace all the DSLAMs (D)</p> Signup and view all the answers

    In which zones are the core locations of IMS equipment located?

    <p>North, South, West, East (A)</p> Signup and view all the answers

    Which company received an additional tender for 2.4 Mn lines in the IMS project?

    <p>M/s UTStarcom (C)</p> Signup and view all the answers

    What does IAG equipment provide in the IMS project?

    <p>Separate PRI/BRI facility (D)</p> Signup and view all the answers

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