Umts Signaling Protocols I

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1. The AAL2 signaling protocol provides functions to dynamically establish and release AAL2 point-to-point connections as requested by AAL2 served users in a network comprised of AAL2 endpoints and AAL2 switches.

Explanation

The explanation for the given correct answer is that the AAL2 signaling protocol indeed provides functions to dynamically establish and release AAL2 point-to-point connections as requested by AAL2 served users in a network comprised of AAL2 endpoints and AAL2 switches. This means that the AAL2 signaling protocol allows for flexible and efficient communication between AAL2 users in a network.

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About This Quiz
Umts Signaling Protocols I - Quiz


Part I of UMTS Signaling Protocols:
Introduction to ATM Protocol

2. The control plane is used for all 3G specific control signaling.

Explanation

The control plane in a 3G network is responsible for handling all the control signaling specific to 3G technology. This includes tasks such as call setup, call release, mobility management, and resource allocation. The control plane ensures that the network functions properly and efficiently by managing the signaling between the user equipment (UE) and the network infrastructure. Therefore, it is correct to say that the control plane is used for all 3G specific control signaling.

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3. AALs have different types depending on user traffic supported.

Explanation

AALs, or ATM Adaptation Layers, are protocols used in ATM networks to adapt different types of user traffic into ATM cells. Each AAL type is designed to support specific types of traffic, such as voice, video, or data. Therefore, it is true that AALs have different types depending on the user traffic they are intended to support.

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4. The UMTS network stratum that handles message flows and procedures such as a UE requesting access to www.facebook.com.

Explanation

The correct answer is Application Stratum. The Application Stratum in the UMTS network handles message flows and procedures related to specific applications, such as a user equipment (UE) requesting access to a specific website like www.facebook.com. This stratum is responsible for managing the communication between the application layer and the underlying network layers, ensuring that the requested application services are provided to the UE.

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5. All the data traffic sent and received by the user, such as coded voice in a voice call or the packets in a Internet connection are transported via the vertical plane called user plane.

Explanation

Where else do you want the data to be transported?

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6. The transport network control plane is used for all control signaling within the transport network layer. It also has the signaling bearers needed for transport signaling protocols.

Explanation

The explanation for the given correct answer is that the transport network control plane is indeed used for all control signaling within the transport network layer. It is responsible for managing and controlling the various functions and operations of the transport network. Additionally, it includes the necessary signaling bearers that are required for transport signaling protocols to function effectively. Therefore, the statement "True" accurately represents the role and significance of the transport network control plane.

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7. It is the process of sending messages to control the activity of the bearer in different network elements.

Explanation

Signaling refers to the process of sending messages to control the activity of the bearer in different network elements. This involves the exchange of information between network devices to establish, maintain, and terminate connections. Signaling allows for the coordination and management of network resources, enabling effective communication and control within the network. It plays a crucial role in ensuring the smooth operation and efficient utilization of network resources.

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8. The application protocols RANAP, RNSAP and NBAP are used to set up bearers to the UE.

Explanation

The statement is true because RANAP (Radio Access Network Application Part), RNSAP (Radio Network Subsystem Application Part), and NBAP (Node B Application Part) are indeed application protocols used in the setup of bearers to the UE (User Equipment). These protocols are used in the 3G (Third Generation) and 4G (Fourth Generation) mobile networks to establish and manage the communication between the radio access network and the core network. They play a crucial role in ensuring the proper functioning and connectivity of the UE.

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9. It supported connection-oriented and connectionless VBR data. No timing relationship is required between the transmitted and receiver. It is used to transfer most non-SMDS data, such as IP over ATM and LAN emulation, signaling channels, and Frame Relay/ATM interworking.

Explanation

AAL5 is the correct answer because it supports both connection-oriented and connectionless VBR data. It does not require a timing relationship between the transmitter and receiver. AAL5 is commonly used for transferring non-SMDS data, such as IP over ATM and LAN emulation, signaling channels, and Frame Relay/ATM interworking.

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10. ALCAP may not be used for all types of data bearers. If there is no ALCAP signaling transaction, the transport network control plane is not needed at all. This is the case when preconfigured data bearers are used.

Explanation

The explanation for the given correct answer is that ALCAP (Access Link Control Application Part) is not used for all types of data bearers. It is only used when there is a need for ALCAP signaling transaction. In cases where preconfigured data bearers are used, there is no need for ALCAP signaling, and therefore the transport network control plane is not needed at all. Hence, the statement "ALCAP may not be used for all types of data bearers" is true.

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11. Which of the following is/are used for synchronized timing between source and destination? (Select all that applies)

Explanation

AAL1 and AAL2 are used for synchronized timing between source and destination. These two types of ATM Adaptation Layers (AAL) provide specific mechanisms for timing synchronization, which is important for maintaining the integrity and synchronization of data transmission between the source and destination. AAL3/4 and AAL5, on the other hand, do not have specific mechanisms for synchronized timing.

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12. The signaling bearer for the application protocol is always set up by O&M actions.

Explanation

The statement is true because the signaling bearer, which is responsible for carrying the application protocol messages, is always established and managed by O&M (Operations and Maintenance) actions. O&M actions are necessary to set up and maintain the signaling bearer, ensuring proper communication between the network elements involved in the application protocol.

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13. It provides the AAL service to the higher layer. It performs a variety of functions that depend on the actual service being supported, including clock recovery, compensating for cell delay variation and dealing with other problems introduced by the network (e.g. cell loss)

Explanation

The correct answer is the Convergence Sublayer. The Convergence Sublayer is responsible for providing the AAL (ATM Adaptation Layer) service to the higher layer. It performs various functions depending on the specific service being supported, such as clock recovery, compensating for cell delay variation, and addressing other network-related issues like cell loss.

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14. It is for constant bit rate (CBR) information, which requires timing synchronization between source and destination. It is appropriate for transporting telephone traffic, uncompressed video traffic and circuit emulation service.

Explanation

AAL1 (ATM Adaptation Layer 1) is the correct answer because it is specifically designed for constant bit rate (CBR) information, which requires timing synchronization between the source and destination. AAL1 is suitable for transporting telephone traffic, uncompressed video traffic, and circuit emulation service. AAL2, AAL3/4, and AAL5 are other types of ATM Adaptation Layers, but they are not specifically designed for CBR information and may not provide the necessary timing synchronization.

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15. Switched AAL2 connections can be established on top of any ATM network regardless of the procotol used for establishing ATM level connections.

Explanation

Switched AAL2 connections can be established on top of any ATM network regardless of the protocol used for establishing ATM level connections. This means that AAL2 connections can be established on top of any ATM network, regardless of whether the network is using UNI or NNI protocols. AAL2 is a protocol used for transmitting voice and video over ATM networks, and it is compatible with various ATM protocols. Therefore, the statement is true.

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16. This ATM protocol layer maps user data from higher layer into standard ATM cells to be transported over an ATM network. It also collects information from the ATM cells for delivery to higher layers.

Explanation

The correct answer is the ATM Adaptation Layer. This layer is responsible for mapping user data from higher layers into standard ATM cells, which can then be transported over an ATM network. Additionally, it collects information from the ATM cells and delivers it to higher layers.

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17. The user plane of the ATM reference model is responsible for user information transfer and associated controls such as flow control and error control.

Explanation

The user plane of the ATM reference model is responsible for the transfer of user information and the controls related to it, such as flow control and error control. This means that it handles the actual transmission of data between users, ensuring that it is transferred correctly and efficiently. Therefore, the statement "True" is correct as it accurately describes the role and responsibility of the user plane in the ATM reference model.

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18. It provides segementation of the users' information into 48-byte segments that form the payload field of an ATM cell.

Explanation

Segmentation and Reassembly is the correct answer because it refers to the process of dividing the users' information into smaller segments of 48 bytes each, which are then encapsulated into the payload field of an ATM cell. This process allows for efficient transmission of data over the ATM network, as large amounts of information can be divided into manageable segments. The receiving end then reassembles these segments to reconstruct the original data.

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19. The Signaling AAL provides reliable transport of signaling messages between two ATM systems to include the recovery of multiple gaps within the data stream.

Explanation

The Signaling AAL is responsible for ensuring the reliable transmission of signaling messages between two ATM systems. It not only transports the messages but also includes mechanisms for recovering multiple gaps within the data stream. This means that even if there are interruptions or missing parts in the data, the Signaling AAL can recover and deliver the complete message reliably. Therefore, the statement is true.

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20. Which of the following is/are used for not synchronized timing between source and destination? (Select all that applies)

Explanation

AAL3/4 and AAL5 are used for not synchronized timing between source and destination. These Asynchronous Transfer Mode (ATM) Adaptation Layers allow for the transmission of data without the need for strict synchronization between the sender and receiver. AAL3/4 is designed for connection-oriented variable bit rate services, while AAL5 is used for connection-oriented and connectionless variable bit rate services. Both AAL3/4 and AAL5 provide flexibility in timing and allow for the efficient transmission of data over ATM networks.

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21. This is the UMTS Network Stratum that contains message flows and procedures needed to establish the connection between the MT and the RNC.

Explanation

The Access Stratum is the correct answer because it is the UMTS Network Stratum that contains message flows and procedures needed to establish the connection between the Mobile Terminal (MT) and the Radio Network Controller (RNC). It is responsible for managing the radio resources and providing the necessary signaling and control functions for the establishment and maintenance of the radio link between the MT and the RNC.

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22. The management plane of the ATM reference model has two components: the layer management and connection management.

Explanation

It is layer management and plane management.

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23. The AAL2 served user in 3G networks is the radio resource management and handover control entity, which establishes/releases AAL2 connections when new soft handover legs are established.released.

Explanation

The AAL2 served user in 3G networks is responsible for managing the radio resources and controlling handovers. It establishes and releases AAL2 connections when new soft handover legs are established or released. This implies that the statement is true, as the AAL2 served user plays a crucial role in managing connections and handovers in 3G networks.

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24. Is it for variable bit rate (VBR) information, which requires a strict relationship between the transmission and reception clocks. It provides the bandwidth efficient transmission of short, variable length packets in delay-sensitive applications. It multiplexes shor packets from multiple users into one ATM connection.

Explanation

AAL2 is the correct answer because it is specifically designed for variable bit rate (VBR) information and provides bandwidth efficient transmission of short, variable length packets in delay-sensitive applications. It also multiplexes short packets from multiple users into one ATM connection.

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25. The UE is not connected directly to the core network, but through the Radio Access Network (RAN). As a result, the lower-layer signaling to control the connection is needed to ensure that the higher-layer connections are possible. What do you call this concept?

Explanation

The concept being referred to in the given explanation is "Stack". In the context of the question, the stack refers to the layered architecture of protocols and technologies used in the network communication. In this case, the lower-layer signaling is part of the stack that ensures the connection between the UE and the core network is established and maintained.

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26. The ATM layer defines the transmission medium, electrical characteristic, network interfaces, and a signal-encoding scheme.

Explanation

It's the ATM physical layer!

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27. This layer in the ATM protocol structure adds the cell header to the 48-byte cell payload after it has been assembled in the AAL, and extracts the header before the cell is delivered to the AAL.

Explanation

The ATM layer is responsible for adding the cell header to the 48-byte cell payload after it has been assembled in the AAL. It also extracts the header before the cell is delivered to the AAL. This layer in the ATM protocol structure handles the transmission and routing of cells between different ATM switches and endpoints. It ensures that the cells are properly formatted and delivered to the correct destination.

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28. It has been mainly designed for transporting compressed voice in mobile networks, but will also be used for compressed voice in wireline applications. This AAL is aimed at compressed video, which will vary its bit rate significantly.

Explanation

AAL2 is the correct answer because it is primarily designed for transporting compressed voice in mobile networks. It can also be used for compressed voice in wireline applications. Additionally, AAL2 is aimed at compressed video, which can have varying bit rates.

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29. It is for data transmission in a connection-oriented or connectionless mode. This is aimed at VBR info, which has no strict timing relationship between the transmitter and receiver. It is used to transmit Switched Multimegabit Data Service (SMDS) packets over an ATM network.

Explanation

AAL3/4 is the correct answer because it is specifically designed for data transmission in a connection-oriented or connectionless mode. It is used for Variable Bit Rate (VBR) information, which does not have a strict timing relationship between the transmitter and receiver. AAL3/4 is also used to transmit Switched Multimegabit Data Service (SMDS) packets over an ATM network.

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30. Which of the following is/are used for contant bitrate? (Select all that applies)

Explanation

AAL1 is used for constant bitrate.

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31. Which of the following is/are used for both connection-oriented and connectionless mode? (Select all that applies)

Explanation

AAL3/4 and AAL5 are both used for both connection-oriented and connectionless mode. AAL3/4 is used for connection-oriented mode, where a virtual circuit is established between the sender and receiver before data transmission. AAL5 is used for connectionless mode, where data packets are transmitted independently without establishing a virtual circuit. Both AAL3/4 and AAL5 are part of the ATM Adaptation Layer (AAL) protocol, which is responsible for adapting different types of data for transmission over an ATM network.

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32. Internal control connections of RNC/MGW (ATM module) are based on ATM AAL5 connections between units.

Explanation

The internal control connections of RNC/MGW (ATM module) are indeed based on ATM AAL5 connections between units. This means that the RNC/MGW uses ATM Adaptation Layer 5, which is a protocol used for transmitting data over ATM networks. This protocol ensures that the data is properly formatted and transmitted between the units of the RNC/MGW system. Therefore, the statement "True" is the correct answer.

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33. The UMTS network stratum that handles message flows and procedures where the UE and the core network sets up a bearer for further purposes.

Explanation

The serving stratum in the UMTS network is responsible for handling message flows and procedures related to the establishment of a bearer between the user equipment (UE) and the core network. This bearer is set up for further purposes, such as data transmission. The serving stratum ensures the smooth flow of data between the UE and the core network by managing the necessary signaling and control functions.

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34. The user plane includes application protocol such as RANAP, RNSAP, and NBAP, and the signaling bearer for transporting the application protocol messages.

Explanation

This is done by the control plane.

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35. 1. The data bearer(s) in the user plane and the signaling bearer(s) for the application protocol also belone to the transport network user plane.. 2. The data bearers in the transport network user plane are directly controlled by the transport network control plane.

Explanation

Both statements are true because the first statement states that the data bearers in the user plane and the signaling bearers for the application protocol belong to the transport network user plane, which is correct. The second statement states that the data bearers in the transport network user plane are directly controlled by the transport network control plane, which is also true. Therefore, both statements are true.

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36. In which ATM protocol layer the following sub-layers belong: - Convergence Sublayer (CS) - Segmentation And Reassembly (SAR)

Explanation

The Convergence Sublayer (CS) and Segmentation And Reassembly (SAR) belong to the ATM Adaptation Layer. The ATM Adaptation Layer is responsible for adapting higher-layer protocols and services to the ATM network. The CS is responsible for mapping higher-layer protocols to ATM, while the SAR is responsible for breaking down and reassembling higher-layer packets into ATM cells.

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37. 1. The ATM Layer translates the values of VCI and VPI at the ATM switches and cross-connects. 2. The ATM Layer provides virtual connections between end points and maintains the contracted QoS by applying a traffic contract procedure at a call setup time.

Explanation

The first statement is true because the ATM Layer is responsible for translating the values of VCI (Virtual Channel Identifier) and VPI (Virtual Path Identifier) at the ATM switches and cross-connects. This translation is necessary for proper routing and switching of ATM cells within the network.

The second statement is also true because the ATM Layer provides virtual connections between end points and maintains the contracted Quality of Service (QoS) by applying a traffic contract procedure at call setup time. This ensures that the agreed-upon QoS parameters, such as bandwidth and delay, are met during the duration of the connection.

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38. Among the Service Specific Convergence sublayer divisions, Service Specific Coordination Function provides mechanisms for establishing, releasing, and monitoring signaling information exchange between signaling entities.

Explanation

It should be Service Specific Connection Oriented Protocol or SSCOP.

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39. AAL5 signaling protocol is also called ALCAP (Access Link Control Application Part) is a separate new protocol - not an extension of any existing ATM signaling protocols.

Explanation

It is AAL2!

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40. Which of the following is/are used for connection-oriented only connection mode? (Select all that applies)

Explanation

AAL1 and AAL2 are used for connection-oriented only connection mode. This means that these protocols establish a dedicated connection between the sender and receiver before transferring data, ensuring reliable and ordered delivery of packets. AAL3/4 and AAL5, on the other hand, support both connection-oriented and connectionless modes, allowing for more flexibility in data transmission.

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41. Among the Service Specific Convergence sublayer divisions, the Service Speciic Connection Oriented Protocol (SSCOP) maps signaling messages from the upper level.

Explanation

It should be Service Specific Coordination Function (SSCF).

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42. It carries the user traffic through the network from the mobile to the core network. It is called the traffic channel in GSM. In UMTS, it is a varied bit rate and is allocated depending on the needs of the subscriber. The actual data transported through it is transparent to the network.

Explanation

The correct answer is Bearer. A bearer carries the user traffic through the network from the mobile to the core network. It is responsible for transporting the actual data and is allocated based on the needs of the subscriber. In GSM, it is known as the traffic channel, while in UMTS, it is a varied bit rate. The data transported through the bearer is transparent to the network.

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43. Among the horizontal layers of the protocol structure in UTRAN, all UTRAN-related issues are visible in the transport network layer.

Explanation

These issues are only visible in the radio network layer.

There are 2 main layers in the horizontal protocol structure:
- Radio network layer
- Transport network layer

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44. What do you call the generic name for the transport signaling protocols used to set up and tear down transport bearers?

Explanation

Access Link Control Application Part (ALCAP) is the generic name for the transport signaling protocols used to set up and tear down transport bearers. It is responsible for controlling the access link between the Radio Access Network (RAN) and the core network. ALCAP manages the establishment, modification, and release of transport connections, ensuring efficient and reliable communication between the RAN and the core network. It plays a crucial role in the overall functioning of the telecommunications network.

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45. In which ATM protocol layer the following sub-layers belong: - Transmission Convergence (TC) - Physical Medium (PM)

Explanation

The Transmission Convergence (TC) and Physical Medium (PM) sub-layers belong to the Physical Layer of the ATM protocol. The Physical Layer is responsible for transmitting raw bits over the physical medium, such as cables or wireless connections. The TC sub-layer handles the conversion between the ATM cell format and the physical medium, while the PM sub-layer deals with the actual physical medium, including the electrical or optical signals used for transmission.

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46. I. AAL2 is especially suitable for carrying voice packets that are produced by speech codecs. II. Longer packet lengths up to 64Kbytes are supported by AAL2.

Explanation

AAL2 (ATM Adaptation Layer 2) is indeed especially suitable for carrying voice packets that are produced by speech codecs. This is because AAL2 is designed specifically for real-time, low-bit-rate applications like voice and video. It provides efficient segmentation and reassembly of small data units, making it suitable for voice packet transmission. Additionally, AAL2 does support longer packet lengths up to 64Kbytes, which is stated in the second statement. Therefore, both statements are true.

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47. The management plane of the ATM reference model performs call and connection control functions such as signaling procedures.

Explanation

It's the control plane.

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48. Which of the following is used to transport application protocol messages in order to setup beares to the UE?

Explanation

The correct answer is Signaling Bearer. Signaling bearers are used to transport application protocol messages in order to set up bearers to the UE. These bearers are responsible for carrying signaling traffic between the network and the UE, allowing for the establishment and maintenance of communication sessions. The signaling bearer is separate from the data bearers, which are used to transport user data.

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49. Under management plane of the ATM protocol: 1. the plane management performs management, functions relating to layer's resources and parameters (for instance, OAM information flows. 2. the layer management performs management functions related to the system as a whole.

Explanation

The truth is the reverse. Interchange plane management and layer management in both sentences.

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50. This ATM physical sublayer is responsible for coding, decoding, scrambling, and adaptation to the medium.

Explanation

The Physical Medium Dependent (PMD) sublayer is responsible for coding, decoding, scrambling, and adapting the ATM data to the specific medium being used for transmission. This sublayer ensures that the data is properly formatted and prepared for transmission over the physical medium, such as fiber optic cables or wireless channels. It handles tasks such as converting digital data into analog signals for transmission, as well as error detection and correction. The PMD sublayer plays a crucial role in ensuring reliable and efficient communication between ATM devices.

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51. This ATM physical sublayer handles all the processes involved in taking cells to/from the ATM layer, and performs bit rate adaptation, header protection, cell delineation, and adaptation to the physical media structure.

Explanation

The correct answer is Transmission Convergence (TC). The explanation for this is that the Transmission Convergence (TC) sublayer is responsible for handling all the processes involved in taking cells to/from the ATM layer. This includes performing bit rate adaptation, header protection, cell delineation, and adaptation to the physical media structure. Therefore, the TC sublayer aligns with the description given in the question.

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52. Which of the following is/are used for synchronized timing between source and destination? (Select all that applies)

Explanation

AAL1 and AAL2 are used for synchronized timing between source and destination. These two types of ATM Adaptation Layer (AAL) provide specific mechanisms for timing synchronization in order to ensure that data is transmitted and received at the correct timing intervals. AAL3/4 and AAL5 do not have built-in timing synchronization mechanisms.

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53. AAL1 enables low bit rate and delay-sensitive applications to share a single ATM VCC thus improving the network bandwidth utilization and reducing the call establishment time.

Explanation

It should be AAL2.

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54. 1. The AAL2 layer is multiplexing the transport channels into ATM VCCs as individual AAL2 connections. 2. AAL2 is able to multiplex up to 512 connections into one ATM VCC.

Explanation

AAL2 is able to multiplex up to 248 connections into one ATM VCC.

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55. Which is true regarding AAL2 cell packing? I. Voice/user data is accumulated into a short packet having a 3-byte header. II. The packet header consists of a channel identification number, packet length, user-to-user indication, and a header error control code. III. Each cell's payload has a one-byte start field to indicate the next packet's starting point, which maximizes the packet packing density in cell assembly for low bit rate voice. IV. The silence compression function on a codec works effectively using AAL2, because in a silent period in a conversation, the short packets do not have to be accumulated into a cell

Explanation

The given answer states that all of the statements are true regarding AAL2 cell packing. According to statement I, voice/user data is accumulated into a short packet with a 3-byte header. Statement II mentions that the packet header consists of various components such as a channel identification number, packet length, user-to-user indication, and a header error control code. Statement III states that each cell's payload has a one-byte start field to indicate the next packet's starting point, which maximizes packet packing density. Finally, statement IV suggests that the silence compression function on a codec works effectively using AAL2 because in a silent period, the short packets do not need to be accumulated into a cell.

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56. 1. The signaling bearer for the ALCAP should always be the same type as that for the application protocol for compatibility purposes. 2. The signaling bearer for ALCAP is always set up by O&M.

Explanation

Signaling bearer for the ALCAP does not need to be the same with that of the application protocol.

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57. Which of the following bearers use AAL2 as a transport technology for UMTS Release 99 and Release 4? (Select all that apply)

Explanation

AAL2 (ATM Adaptation Layer 2) is a transport technology used in UMTS Release 99 and Release 4. It is used for carrying voice and data traffic over ATM networks. Among the given options, Iub, Iur, and Iu-cs are the bearers that use AAL2 as a transport technology for UMTS Release 99 and Release 4. Therefore, the correct answer is Iub, Iur, Iu-cs.

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58. Transport bearers for the data bearer in the user plane are set up in the following fashion: 1. ALCAP protocol sets up data bearer that is specific for the user plane technology. 2. As a result, signaling transaction by the application protocol in the control plane in done.

Explanation

It is actually the reverse!

First there is signaling transaction by the application protocol in the control plane. This transaction triggers the setup of the data bearer by the ALCAP protocol that is specific for the user plane technology.

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59. I. The Signaling Bearer Converter  provides the generic signaling bearer service for exchanging AAL2 signaling messages between protocol entities. II. The Signaling Bearer Converters use AAL5 connections and are configured permanent ATM connections between AAL2 swtiches.

Explanation

For the first statement, it should be Signaling Transport Converter.

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60. What are the sublayers of SAAL?

Explanation

The sublayers of SAAL are the AAL5 Common Part Sublayer and the Service Specific Convergence Sublayer. The AAL5 Common Part Sublayer is responsible for handling the segmentation and reassembly of data packets, while the Service Specific Convergence Sublayer is responsible for adapting the higher layer protocols to the AAL5 layer.

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The AAL2 signaling protocol provides functions to dynamically...
The control plane is used for all 3G specific control signaling.
AALs have different types depending on user traffic supported.
The UMTS network stratum that handles message flows and procedures...
All the data traffic sent and received by the user, such as coded...
The transport network control plane is used for all control signaling...
It is the process of sending messages to control the activity of the...
The application protocols RANAP, RNSAP and NBAP are used to set up...
It supported connection-oriented and connectionless VBR data. No...
ALCAP may not be used for all types of data bearers. If there is no...
Which of the following is/are used for synchronized timing between...
The signaling bearer for the application protocol is always set up by...
It provides the AAL service to the higher layer. It performs a variety...
It is for constant bit rate (CBR) information, which requires timing...
Switched AAL2 connections can be established on top of any ATM network...
This ATM protocol layer maps user data from higher layer into standard...
The user plane of the ATM reference model is responsible for user...
It provides segementation of the users' information into 48-byte...
The Signaling AAL provides reliable transport of signaling messages...
Which of the following is/are used for not synchronized timing between...
This is the UMTS Network Stratum that contains message flows and...
The management plane of the ATM reference model has two components:...
The AAL2 served user in 3G networks is the radio resource management...
Is it for variable bit rate (VBR) information, which requires a strict...
The UE is not connected directly to the core network, but through the...
The ATM layer defines the transmission medium, electrical...
This layer in the ATM protocol structure adds the cell header to the...
It has been mainly designed for transporting compressed voice in...
It is for data transmission in a connection-oriented or connectionless...
Which of the following is/are used for contant bitrate?...
Which of the following is/are used for both connection-oriented and...
Internal control connections of RNC/MGW (ATM module) are based on ATM...
The UMTS network stratum that handles message flows and procedures...
The user plane includes application protocol such as RANAP, RNSAP, and...
1. The data bearer(s) in the user plane and the signaling bearer(s)...
In which ATM protocol layer the following sub-layers belong:...
1. The ATM Layer translates the values of VCI and VPI at the ATM...
Among the Service Specific Convergence sublayer divisions, Service...
AAL5 signaling protocol is also called ALCAP (Access Link Control...
Which of the following is/are used for connection-oriented only...
Among the Service Specific Convergence sublayer divisions, the Service...
It carries the user traffic through the network from the mobile to the...
Among the horizontal layers of the protocol structure in UTRAN, all...
What do you call the generic name for the transport signaling...
In which ATM protocol layer the following sub-layers belong:...
I. AAL2 is especially suitable for carrying voice packets that are...
The management plane of the ATM reference model performs call and...
Which of the following is used to transport application protocol...
Under management plane of the ATM protocol:...
This ATM physical sublayer is responsible for coding, decoding,...
This ATM physical sublayer handles all the processes involved in...
Which of the following is/are used for synchronized timing between...
AAL1 enables low bit rate and delay-sensitive applications to share a...
1. The AAL2 layer is multiplexing the transport channels into ATM VCCs...
Which is true regarding AAL2 cell packing?...
1. The signaling bearer for the ALCAP should always be the same type...
Which of the following bearers use AAL2 as a transport technology for...
Transport bearers for the data bearer in the user plane are set up in...
I. The Signaling Bearer Converter  provides the generic signaling...
What are the sublayers of SAAL?
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