UMTS Signalling Test

7/28/2019 UMTS Signalling Test

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Q.1)The UMTS network stratum that handles message flows and procedures such as a

UE requesting access to www.facebook.com.

A. Application StratumB. Social Stratum

C. Access StratumD. Serving Stratum

Q.2)The UMTS network stratum that handles message flows and procedures where the

UE and the core network sets up a bearer for further purposes.

A. Application Stratum

B. Access StratumC. Serving StratumD. Bearer Stratum

Q.3)This is the UMTS Network Stratum that contains message flows and procedures

needed to establish the connection between the MT and the RNC.

A. Serving StratumB. Access StratumC. Application Stratum

D.Signaling

Stratum

Q.4) The UE is not connected directly to the core network, but through the Radio AccessNetwork (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?

A. Delegation

B. SignalingC. StackD. Partition

Q.5)It is the process of sending messages to control the activity of the bearer in different

network elements.

A.Linkin

gB. SignalingC. RAN controlD. UMTS control


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Q.6)

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 istransparent to the network.

A. User planeB. BearerC. Signaling

D. Control plane

Q.7)Among the horizontal layers of the protocol structure in UTRAN, all UTRAN-

related issues are visible in the transport network layer.A. TrueB. False

Q.8)The control plane is used for all 3G specific control signaling.

A. TrueB. False

Q.9)The user plane includes application protocol such as RANAP, RNSAP, and NBAP,

and the signaling bearer for transporting the application protocol messages.

A. TrueB. False

Q.10)The application protocols RANAP, RNSAP and NBAP are used to set up bearersto the UE.

A. TrueB. False

Q.11)The signaling bearer for the application protocol is always set up by O&M actions.

A. True

B. False

Q.12)Which of the following is used to transport application protocol messages in order

to setup beares to the UE?

A. Application ProtocolB. Radio Access Bearer


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C. Signaling BearerD. RRC

Q.13)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.

A. True

B. False

Q.14)What do you call the generic name for the transport signaling protocols used to set

up and tear down transport bearers?A. Access Link Control Application PartB. Radio Link Control ProtocolC. Transport Control ProtocolD. Radio Access Network Application Part

Q.15)The transport network control plane is used for all control signaling within the

transport network layer. It also has the signaling bearers needed for transportsignaling protocols.

A. TrueB. False

Q.16)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.

A. TrueB. False

Q.17)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.

A. True


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B. False

Q.18)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 forALCAP is always set up by O&M.

A. Both statements are trueB. Both statements are falseC. Only the first statement is true

D. Only the second statement is true

Q.19)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 databearers in the transport network user plane are directly controlled by the transport

network control plane.

A. Both statements are trueB. Both statements are false

C. Only the first statement is trueD. Only the second statement is true

Q.20)The user plane of the ATM reference model is responsible for user information

transfer and associated controls such as flow control and error control.

A. True

B. False

Q.21)The management plane of the ATM reference model performs call and connection

control functions such as signaling procedures.

A. TrueB. False

Q.22)The management plane of the ATM reference model has two components: the

layer management and connection management.A. TrueB. FalseQ.23)

Under management plane of the ATM protocol: 1. the plane management performsmanagement, functions relating to layer's resources and parameters (for instance,


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OAM information flows. 2. the layer management performs management functions

related to the system as a whole.

A. Both statements are trueB. Both statements are falseC. Only the first statement is true


Q.24) In which ATM protocol layer the following sub-layers belong: - Convergence

Sublayer (CS) - Segmentation And Reassembly (SAR)

A. ATM Adaptation Layer

B.ATM

LayerC. Physical Layer

D. Transport Layer

Q.25)In which ATM protocol layer the following sub-layers belong: - Transmission

Convergence (TC) - Physical Medium (PM)

A. ATM Adaptation Layer

B.ATM

LayerC. Physical LayerD. Transport Layer

Q.26)The ATM layer defines the transmission medium, electrical characteristic, network

interfaces, and a signal-encoding scheme.

A. TrueB. False

Q.27)This ATM physical sublayer is responsible for coding, decoding, scrambling, andadaptation to the medium.

A. Physical Medium Dependent (PMD) sublayerB. Transmission Convergence (TC)C. Convergence Sublayer (CS)

D. Segmentation and Reassembly (SAR)

Q.28)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.

A. Physical Medium Dependent (PMD) sublayerB. Transmission Convergence (TC)C. Convergence Sublayer (CS)


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Q.29)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.A. Physical layer

B.ATM

layerC. Convergence Sublayer (CS)


Q.30)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 ata call setup time.

A. Both statements are trueB. Both statements are falseC. Only the first statement is trueD. Only the second statement is true

Q.31)This ATM protocol layer maps user data from higher layer into standard ATMcells to be transported over an ATM network. It also collects information from the

ATM cells for delivery to higher layers.

A. ATM Physical Layer

B.ATM

LayerC. ATM Adaptation LayerD. ATM Higher Layer

Q.32)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 introducedby the network (e.g. cell loss)

A. Transmission ConvergenceB. Convergence SublayerC. Segmentation and Reassembly

D. Physical Medium Dependent sublayerQ.33)

It provides segementation of the users' information into 48-byte segments that form


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the payload field of an ATM cell.

A. Transmission ConvergenceB. Convergence SublayerC. Segmentation and ReassemblyD. Physical Medium Dependent sublayer

Q.34)AALs have different types depending on user traffic supported.

A. TrueB. False

Q.35)It is for constant bit rate (CBR) information, which requires timing synchronizationbetween source and destination. It is appropriate for transporting telephone traffic,

uncompressed video traffic and circuit emulation service.

A. AAL1B. AAL2

C.AAL3/

4D. AAL5

Q.36)Is it for variable bit rate (VBR) information, which requires a strict relationship

between the transmission and reception clocks. It provides the bandwidth efficienttransmission of short, variable length packets in delay-sensitive applications. It

multiplexes shor packets from multiple users into one ATM connection.

A. AAL1B. AAL2

C.AAL3/

4D. AAL5

Q.37)

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.

A. AAL1B. AAL2

C.AAL3/

4D. AAL5


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Q.38)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.

A. AAL1B. AAL2

C.AAL3/

4D. AAL5

Q.39)

It supported connection-oriented and connectionless VBR data. No timingrelationship 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.

A. AAL1

B. AAL2

C.AAL3/4

D. AAL5

Q.40)Which of the following is/are used for contant bitrate? (Select all that applies)

A. AAL1B. AAL2

C.AAL3/

4D. AAL5

Q.41)Which of the following is/are used for synchronized timing between source and

destination? (Select all that applies)

A. AAL1B. AAL2

C.AAL3/4

D. AAL5Q.42)

Which of the following is/are used for not synchronized timing between source and


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A. AAL1B. AAL2

C.AAL3/

4

D. AAL5

Q.43)Which of the following is/are used for synchronized timing between source and


A. AAL1B. AAL2

C.AAL3/4

D. AAL5

Q.44)Which of the following is/are used for connection-oriented only connection mode?

(Select all that applies)

A. AAL1B. AAL2

C.AAL3/

4D. AAL5

Q.45) Which of the following is/are used for both connection-oriented and connectionless

mode? (Select all that applies)

A. AAL1B. AAL2

C.AAL3/

4D. AAL5

Q.46)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.

A. TrueB. False

Q.47)Which of the following bearers use AAL2 as a transport technology for UMTSRelease 99 and Release 4? (Select all that apply)


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A.Iu

b

B.Iur

C. Iu-cs

D. Iu-ps

Q.48)1. The AAL2 layer is multiplexing the transport channels into ATM VCCs asindividual AAL2 connections. 2. AAL2 is able to multiplex up to 512 connections

into one ATM VCC.

A. Both statements are trueB. Both statements are false

C. Only the first statement is trueD. Only the second statement is true

Q.49)

Which is true regarding AAL2 cell packing? I. Voice/user data is accumulated intoa 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 nextpacket'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, theshort packets do not have to be accumulated into a cell

A. I, II, and IV onlyB. II and IV only

C.I, II and III

onlyD. All of the items

Q.50)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.

A. Both statements are true


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B. Both statements are falseC. Only the first statement is trueD. Only the second statement is true

Q.51)The Signaling AAL provides reliable transport of signaling messages between twoATM systems to include the recovery of multiple gaps within the data stream.

A. TrueB. False

Q.52)What are the sublayers of SAAL?

A. AAL5 Common Part Sublayer

B. Service Specific Convergence SublayerC. Service Common Part SublayerD. AAL5 Common Convergence Sublayer

Q.53)Among the Service Specific Convergence sublayer divisions, Service SpecificCoordination Function provides mechanisms for establishing, releasing, and

monitoring signaling information exchange between signaling entities.

A. TrueB. False

Q.54)Among the Service Specific Convergence sublayer divisions, the Service SpeciicConnection Oriented Protocol (SSCOP) maps signaling messages from the upper

level.

A. TrueB. False

Q.55)Internal control connections of RNC/MGW (ATM module) are based on ATM

AAL5 connections between units.A. TrueB. False

Q.56)AAL5 signaling protocol is also called ALCAP (Access Link Control Application

Part) is a separate new protocol - not an extension of any existing ATM signalingprotocols.


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A. TrueB. False

Q.57)Switched AAL2 connections can be established on top of any ATM network

regardless of the procotol used for establishing ATM level connections.

A. TrueB. False

Q.58)The AAL2 signaling protocol provides functions to dynamically establish and

release AAL2 point-to-point connections as requested by AAL2 served users in anetwork comprised of AAL2 endpoints and AAL2 switches.

A. TrueB. False

Q.59)The AAL2 served user in 3G networks is the radio resource management and

handover control entity, which establishes/releases AAL2 connections when newsoft handover legs are established.released.

A. TrueB. False

Q.60)

I. The Signaling Bearer Converter provides the generic signaling bearer servicefor exchanging AAL2 signaling messages between protocol entities. II. The

Signaling Bearer Converters use AAL5 connections and are configured permanent

ATM connections between AAL2 swtiches.

A. Both statements are true

B. Both statements are falseC. Only the first statement is true


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UMTS Signalling Test