Analisis De Alarmas De Equipos De Transmision

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  • 1/69 Questions

    Es la prueba de la etapa de radio donde se recomienda verificar que nivel de potencia de salida de RF

    • Transmision por AM-FM
    • Transmision por Fibra
    • Transmision de RF
    • Transmision AM
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Analisis De Alarmas De Equipos De Transmision - Quiz

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  • 2. 

    En el cuarto orden de PDH indica que en el extremo remoto ha ocurrido perdida de la señal, perdida de alineamiento de trama o alta tasa de error

    • B13R

    • B3

    • H3

    • B23T

    Correct Answer
    A. B13R
    Explanation
    The correct answer is B13R. In the fourth order of PDH, B13R indicates that there has been a loss of signal, loss of frame alignment, or high error rate at the remote end.

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  • 3. 

    El Bit 3 “B3R” de PCM en estado 0 indica:

    • Alarma en equipo

    • Alarma en la transmision de Datos 

    • Sin Alarma en el Extremo Remoto

    • Alarma en la parte central

    Correct Answer
    A. Sin Alarma en el Extremo Remoto
    Explanation
    El Bit 3 "B3R" de PCM en estado 0 indica que no hay alarma en el extremo remoto.

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  • 4. 

    En un indicador de error remoto el cual indica que el equipo remoto ha detectado algunos problemas en el afluente que recibe

    • AU3 

    • AU4 RDI

    • AU4- CV

    • VC12

    Correct Answer
    A. AU4 RDI
    Explanation
    The correct answer is AU4 RDI. In a remote error indicator (RDI), AU4 indicates that the remote equipment has detected some problems in the incoming signal. RDI is a signaling mechanism used in telecommunications to indicate errors or anomalies in the transmission. AU4 refers to a specific type of error or issue, and the RDI indicates that this error has been detected remotely.

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  • 5. 

    Esta alarma es un indicador de la pérdida del puntero de la unidad administrativa, proveniente del equipo remoto

    • AU4 LOP

    • TRF

    • AIS

    • B3T

    Correct Answer
    A. AU4 LOP
    Explanation
    This answer suggests that the alarm AU4 LOP is an indicator of the loss of the administrative unit pointer from the remote equipment.

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  • 6. 

    Es la medición mas importante para determinar el desempeño de un radioenlace

    • Medicion de la Tasa de Error (BER)

    • Perdida de la Señal entrante en una tributaria (TRF)

    • Sincronismo de Trama

    • Perdida de Señal

    Correct Answer
    A. Medicion de la Tasa de Error (BER)
    Explanation
    The correct answer is "Medicion de la Tasa de Error (BER)". This is the most important measurement for determining the performance of a radio link. The Bit Error Rate (BER) measurement indicates the number of bits that are received incorrectly compared to the total number of bits transmitted. A lower BER indicates better performance and higher quality of the radio link. By measuring the BER, one can assess the reliability and effectiveness of the radio link in transmitting data accurately.

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  • 7. 

    En el terminal óptico cuando se detecta perdida de señal óptica, se genera hacia el demultiplexor la señal de:

    • Cuatificacion

    • Refraccion

    • Transmision optica

    • AIS

    Correct Answer
    A. AIS
    Explanation
    In an optical terminal, when a loss of optical signal is detected, the signal generated towards the demultiplexer is AIS (Alarm Indication Signal).

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  • 8. 

    Es una señal conformada de “todos unos” que sustituye a la señal de trafico normal que se ha perdido

    • LOS 

    • LOF

    • AIS

    • BERR

    Correct Answer
    A. AIS
    Explanation
    AIS stands for Automatic Identification System. It is a signal composed of "all ones" that replaces the normal traffic signal that has been lost.

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  • 9. 

    Se considera la primer y mas importante tarea del técnico de mantenimiento

    • Dar soporte en todo momento

    • Solucionar el problema

    • Diagnostica el Fallo o averia

    • Mantenimento en los equipos

    Correct Answer
    A. Diagnostica el Fallo o averia
    Explanation
    The correct answer is "Diagnostica el Fallo o averia" (Diagnose the fault or breakdown). This is considered the first and most important task of a maintenance technician as it involves identifying and analyzing the problem or malfunction in the equipment. By diagnosing the fault or breakdown, the technician can then proceed to find a solution and provide the necessary support to resolve the issue.

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  • 10. 

    Es la prueba de la etapa de radio donde se recomienda verificar el nivel de potencia de salida de FI: 

    • Prueba de Radio FI

    • Pruebas de alta frecuencia

    • Pruebas de baja Frecuencia

    • Prueba de la etapa del Modem

    Correct Answer
    A. Prueba de la etapa del Modem
    Explanation
    The correct answer is "Prueba de la etapa del Modem". This is because the given statement mentions verifying the level of output power of the Intermediate Frequency (FI) stage. The Modem stage is responsible for converting the intermediate frequency signal into a digital signal, so it is necessary to test and verify the performance of this stage.

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  • 11. 

    Esta alarma es un indicador de errores excesivos con valor de E mayor o igual a 10 exp -3 en la tasa de transferencia de bits en la sección regeneradora

    • B13R

    • AIS

    • RS EXC

    • MSS

    Correct Answer
    A. RS EXC
    Explanation
    This answer is correct because RS EXC stands for "Regenerator Section Excessive Errors". The given statement explains that the alarm is indicating excessive errors with a value of E greater than or equal to 10 exp -3 in the bit transfer rate in the regenerator section. Therefore, RS EXC is the appropriate answer as it accurately represents the alarm being described.

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  • 12. 

    Es la información de byte B1, correspondiente al calculo de paridad con el método BIP-2 y servirá para hacer la comprobación correspondiente

    • BER-LOF

    • BER-LOF

    • BIP-Err

    • BIR-LOS

    Correct Answer
    A. BIP-Err
    Explanation
    The given explanation states that the information of byte B1 is used for calculating parity with the BIP-2 method and will be used for the corresponding verification. Therefore, the correct answer is BIP-Err, which indicates that there is an error in the BIP calculation.

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  • 13. 

    Si en el PCM falla la señal de entrada de 2048 Kbps entonces se envía al extremo remoto la indicación de

    • B3T

    • BT3

    • T3B

    • 3BT

    Correct Answer
    A. B3T
    Explanation
    If the input signal of 2048 Kbps fails in the PCM, then the indication sent to the remote end is B3T.

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  • 14. 

    Es la indicación del canal de señalización TS16 que se activa al aparecer dos palabras consecutivas erróneas de sincronización de multitrama

    • MFF

    • AIU

    • BSL

    • FR

    Correct Answer
    A. MFF
    Explanation
    The correct answer is MFF because it is the indication of the TS16 signaling channel that is activated when two consecutive erroneous synchronization words of the multitrame are detected.

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  • 15. 

    El caso mas significativo de una señal que es enviada hacia adelante para informar de un problema severo en la recepción es la generación de

    • AIS

    • LOF

    • LOSS

    • ERR

    Correct Answer
    A. AIS
    Explanation
    AIS stands for Automatic Identification System, which is a system used in maritime communication to exchange information between ships and shore stations. It is used to enhance safety and improve situational awareness on the water. In the context of the given question, AIS can be considered as the most significant signal sent forward to inform about a severe reception problem. AIS signals are used to transmit important information such as the ship's identity, position, course, and speed. If there is a severe reception problem, the AIS signal may not be received or may be distorted, indicating a potential issue with the communication or reception system.

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  • 16. 

    Es la identificación del trayecto, contenida en el byte J0, la cual servirá para verificar la correspondencia entre la parte transmisora y receptora

    • RE-MIT

    • BER-AIS

    • RS-TIM

    • ERROR

    Correct Answer
    A. RS-TIM
    Explanation
    The correct answer is RS-TIM. RS-TIM refers to the Remote Supervision-Tandem Interface Module, which is responsible for monitoring and controlling the transmission of data between the transmitting and receiving parts. It is used to ensure that the data is correctly transmitted and received by comparing the identification of the path contained in the J0 byte.

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  • 17. 

    En el cuarto orden se recibe perdida de alineamiento de trama se envía al extremo remoto el bit

    • B3

    • 6 BYTE

    • B13T

    • H3

    Correct Answer
    A. B13T
    Explanation
    In the fourth order, when there is a loss of frame alignment, the bit B13T is sent to the remote end.

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  • 18. 

    Esta alarma es un indicador de que existe una incongruencia entre la expectativa de mensaje y lo que se recibe a través del byte J0

    • AIS

    • RS TIM

    • LOS

    • MFF

    Correct Answer
    A. RS TIM
    Explanation
    The correct answer is "RS TIM". This is because RS TIM stands for Remote Supervision-Trouble Indication Message, which is a type of alarm in the AIS (Automatic Identification System) protocol. This alarm indicates that there is a discrepancy or inconsistency between the expected message and the message received through the J0 byte.

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  • 19. 

    En el equipo terminal de radio es la indicación de alta tasa de error recibida:

    • BER

    • AIS

    • LOS

    • LOF

    Correct Answer
    A. BER
    Explanation
    The correct answer is BER, which stands for Bit Error Rate. In a radio terminal equipment, the indication of a high error rate received is referred to as BER. This means that there is a high probability of errors occurring in the transmission of bits, indicating a poor quality of the received signal.

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  • 20. 

    Es la acción a realizar cuando encuentras el LED de los convertidores de voltaje parpadeando en los equipos PDH

    • El sistema esta en sobre corriente y de cambiar equipos

    • Los Convertidores tienen Falla

    • Limpiar Alarmas por sobre voltaje

    • Remplaza los Convertidores de Voltaje

    Correct Answer
    A. Remplaza los Convertidores de Voltaje
    Explanation
    The correct answer is "Remplaza los Convertidores de Voltaje." This means that the action to be taken when the voltage converter LED is blinking on PDH equipment is to replace the voltage converters. This suggests that the voltage converters are faulty and need to be replaced in order to resolve the issue.

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  • 21. 

    Es la prueba de la etapa de radio donde se recomienda verificar el desempeño del AGC

    • Prueba de la etapa de recepcion de RF

    • Prueba el Radio de alta frecuencia

    • Prueba el Radio de baja frecuencia

    • Prueba de envio de AGC

    Correct Answer
    A. Prueba de la etapa de recepcion de RF
    Explanation
    The given correct answer is "Prueba de la etapa de recepcion de RF" which translates to "Test of the RF reception stage". This is the most appropriate answer because the initial statement mentions "verificar el desempeño del AGC" which means "to verify the performance of the AGC". The AGC (Automatic Gain Control) is a feature commonly used in the RF reception stage to adjust the signal strength and maintain a consistent level. Therefore, testing the RF reception stage would involve checking the performance of the AGC.

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  • 22. 

    El BIT 13 “B13R” de PDH en estado 1 indica

    • Perdida de Señal en el terce Orden del Extremo remoto

    • Perdida de Señal en el Segundo Orden del Extremo remoto

    • Perdida de Señal en el Primer Orden del Extremo remoto

    • Perdida de Señal en el Cuarto Orden del Extremo remoto

    Correct Answer
    A. Perdida de Señal en el Cuarto Orden del Extremo remoto
    Explanation
    The correct answer is "Perdida de Señal en el Cuarto Orden del Extremo remoto". This means that the BIT 13 "B13R" of PDH indicates a signal loss in the fourth order of the remote end.

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  • 23. 

    Esta alarma es un indicador  de errores excesivos con valor de E mayor o igual a 10 exp -3 en la tasa de transferencia de bits en la sección multiplexora

    • AIS

    • BER

    • MS EXC

    • RS LOF

    Correct Answer
    A. MS EXC
    Explanation
    The correct answer is MS EXC. The given statement mentions that this alarm is an indicator of excessive errors with a value of E greater than or equal to 10 exp -3 in the bit transfer rate in the multiplexer section. MS EXC stands for "Multiplexer Section Excessive Errors", which aligns with the given explanation.

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  • 24. 

    Esta alarma es un indicador de degradación de la senal con un valor que va de E x 10-5 < 10-9 en la sección regeneradora:

    •  RS SD AUMENTO DE SENAL QUE VA DE E*10-5 < 10-9

    •  RS SE DEGRADACION DE SENAL QUE VA DE E*10-5 < 10-9

    •  RS SE AUMENTADO DE SENAL QUE VA DE E*10-5 < 10-9

    •  RS SD DEGRADACION DE SENAL QUE VA DE E*10-5 < 10-9

    Correct Answer
    A.  RS SD DEGRADACION DE SENAL QUE VA DE E*10-5 < 10-9
    Explanation
    The correct answer is "RS SD DEGRADACION DE SENAL QUE VA DE E*10-5 < 10-9". This answer states that the alarm is an indicator of signal degradation with a value ranging from E*10-5 to less than 10-9 in the regenerator section.

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  • 25. 

    Es la medición más importante para determinar el desempeño de un radioenlace

    • Medicion de la Tasa de Erro (BER)

    • Medicion de Canalizacion 

    • Medicion de Multiplexacion

    • Medicion de Prueba por 24 hrs

    Correct Answer
    A. Medicion de la Tasa de Erro (BER)
    Explanation
    The given correct answer is "Medicion de la Tasa de Erro (BER)" which translates to "Measurement of the Error Rate (BER)" in English. This measurement is considered the most important for determining the performance of a radio link. The BER is a measure of the number of errors occurring in a transmission system relative to the total number of bits transmitted. A lower BER indicates a higher quality and reliability of the radio link.

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  • 26. 

    Es la indicación del canal de señalización TS16 que indica perdida de sincronía de multitrama

    • B6T

    • B3R

    • B13T

    • B11T

    Correct Answer
    A. B6T
    Explanation
    The correct answer is B6T. B6T is the indication of the TS16 signaling channel that indicates loss of multitrame synchronization.

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  • 27. 

    El Bit 6 “B6R” del canal de señalización de PCM en estado 1 indica:

    • Alarma de Erro 

    • Alarma del TSW

    • Alarma de Bit erroneos H3

    • Alarma distante de Multitrama

    Correct Answer
    A. Alarma distante de Multitrama
    Explanation
    The correct answer is "Alarma distante de Multitrama." This means that when the Bit 6 "B6R" of the PCM signaling channel is in state 1, it indicates a distant alarm in the Multiframe.

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  • 28. 

    Es la prueba de la etapa de radio donde se recomienda verificar la prueba de errores

    • Prueba de Señal en el extremo Remoto

    • Prueba de LOF

    • Prueba de LOS

    • Prueba de la Etapa del Modem

    Correct Answer
    A. Prueba de la Etapa del Modem
    Explanation
    The correct answer is "Prueba de la Etapa del Modem". This is because the given statement mentions that it is the test of the radio stage where it is recommended to verify the error test. Among the options provided, "Prueba de la Etapa del Modem" is the only one that relates to the testing of the modem stage, which is commonly used in radio communication systems.

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  • 29. 

    Dos casos típicos de información en el sistema SDH que se genera en el extremo remoto, son las señales

    • MS-REI y MS-RDI

    • ME-REI y ME-RDI

    • MA-RAI - MA-RDI

    • MI-REI y MI-RDA

    Correct Answer
    A. MS-REI y MS-RDI
    Explanation
    The correct answer is MS-REI and MS-RDI. These are two types of signals that are generated in the remote end of the SDH system. MS-REI stands for Multiplex Section Remote Error Indication, which is a signal that indicates errors in the multiplex section of the SDH system. MS-RDI stands for Multiplex Section Remote Defect Indication, which is a signal that indicates defects in the multiplex section of the SDH system. These signals are important for monitoring and troubleshooting the SDH system.

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  • 30. 

    En PCM indica que en el extremo remoto a ocurrido falla en la señal de entrada de 2048 kbps, error en alineamiento de trama y alta tasa de error:

    • B11T

    • B13R

    • B13T

    • B3R

    Correct Answer
    A. B3R
    Explanation
    The correct answer is B3R. This is because B3R refers to the signaling format used in PCM systems, specifically for the remote end. The given information states that there is a failure in the input signal of 2048 kbps, alignment frame error, and a high error rate. B3R is the signaling format that is used for PCM systems when there is a failure in the input signal and high error rates.

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  • 31. 

    Esta alarma es una indicación de señal de alarma en la unidad de tributaria recibida desde el equipo remoto en el canal k-l-m.

    • Tuy:n-k-l-m ERR

    • Tuy:n-k-l-m AIS

    • Tuy:n-k-l-m BER

    • Tuy:n-k-l-m LOS

    Correct Answer
    A. Tuy:n-k-l-m AIS
    Explanation
    The given correct answer, Tuy:n-k-l-m AIS, suggests that the alarm is indicating an Alarm Indication Signal (AIS) in the tributary unit received from the remote equipment in the k-l-m channel. AIS is a signal used in telecommunications to indicate that there is a fault or failure in the transmission system.

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  • 32. 

    En un terminal óptico la señal eléctrica es monitoreada en la dirección de transmisión y cuando se detecta la perdida se envía hacia la línea óptica la señal de

    • LOS

    • BER

    • LOF

    • AIS

    Correct Answer
    A. AIS
    Explanation
    In an optical terminal, the electrical signal is monitored in the transmission direction. When a loss is detected, the AIS (Alarm Indication Signal) is sent to the optical line. AIS is a signal used in telecommunications to indicate that there is a problem or loss of signal in the line.

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  • 33. 

    El BIT 11 “B11R” de PDH en estado 1 indica:

    • Perdida de Señal en el Orden Correspondiente en el extremo remoto

    • Perdida de señal en el orden de trama 

    • Perdida de señal en el Bit 3

    • Perdida de Señal en la Transmision de Equipo

    Correct Answer
    A. Perdida de Señal en el Orden Correspondiente en el extremo remoto
    Explanation
    The correct answer is "Perdida de Señal en el Orden Correspondiente en el extremo remoto". This means that the BIT 11 "B11R" in PDH indicates a loss of signal in the corresponding order at the remote end.

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  • 34. 

    Son las funciones que tienen que ver con la adaptación o conversión de las señales durante las diferentes etapas del proceso

    • Funcion de Acoplamiento

    • Finciones de Adaptacion

    • Funcion de Transmision

    • Fuinciones Recepcion

    Correct Answer
    A. Finciones de Adaptacion
    Explanation
    The correct answer is "Finciones de Adaptacion." This is because the given statement mentions that these functions are related to the adaptation or conversion of signals during different stages of the process. "Finciones de Adaptacion" translates to "Adaptation Functions" in English, which aligns with the explanation provided in the statement. These functions are responsible for adjusting or converting signals to ensure compatibility and smooth transmission between different stages of the process.

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  • 35. 

    Es la indicación del canal de senalización TS 16 que indica perdida de sincronia de multitrama:

    • B5 o FFM

    • B6 o FFM

    • B6 o MFF

    • B5 o MFF

    Correct Answer
    A. B6 o MFF
    Explanation
    The correct answer is B6 o MFF. This is because B6 refers to the signaling channel TS 16, and MFF indicates a loss of synchronization in the multi-frame.

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  • 36. 

    En el equipo terminal de radio es la indicación de alta tasa de error recibida

    • LOF

    • LOS

    • BER

    • AIS

    Correct Answer
    A. BER
    Explanation
    The correct answer is BER, which stands for Bit Error Rate. In this context, "En el equipo terminal de radio es la indicación de alta tasa de error recibida" translates to "In the radio terminal equipment, it is the indication of a high received error rate." This suggests that the high error rate is being measured and indicated by the Bit Error Rate, which is a metric used to quantify the number of bit errors that occur in a transmission system.

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  • 37. 

    Es la función que tiene que ver con la aceptación de las señales adaptadas y con el hecho de retirar o agregar los encabezados

    • Alarma de encabezados

    • Terminacion

    • Trama

    • Bit de señalizacion

    Correct Answer
    A. Terminacion
    Explanation
    La terminación se refiere a la función de aceptar las señales adaptadas y retirar o agregar los encabezados. En este contexto, la terminación puede implicar la finalización o el cierre de un proceso o una señal. En el contexto de las opciones proporcionadas, la terminación parece ser la opción más adecuada en relación con la función descrita.

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  • 38. 

    Esta alarma es un indicador de degradación de la señal con un valor que va de ε≥10-5  a  ε≥10-9 en la sección regeneradora

    • RS SD

    • SD-ES

    • RS - DS

    • TSW

    Correct Answer
    A. RS SD
    Explanation
    The correct answer is RS SD. The given statement mentions that the alarm is an indicator of signal degradation with a value ranging from ε≥10-5 to ε≥10-9 in the regenerative section. Therefore, the RS SD option is the most suitable as it represents the potential degradation of the signal between the regenerator section and the SD section.

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  • 39. 

    Es la señal agregada a la banda base cuya finalidad es permitir que el receptor decodifique la señal agregada por el transmisor

    • Concatenacion de tramas

    • Sincronismo de Trama

    • Asincrono de Trama

    • Orden Extremo Remoto

    Correct Answer
    A. Sincronismo de Trama
    Explanation
    The correct answer is "Sincronismo de Trama." This refers to the process of synchronizing the frames in a communication system. It ensures that the receiver can decode the aggregated signal sent by the transmitter by aligning the frames in the correct order and timing.

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  • 40. 

    Es un indicador de error en el extremo remoto el cual indica que el equipo remoto ha detectado algunos problemas en el afluente que recibe:

    • AU4 RDI INDICADOR DE DEFECTO AUTOREMOTO EN LA UNIDAD ADMINISTRATIVA

    • AU4 RDI INDICADOR DE DEFECTO REMOTO EN LA UNIDAD ADMINISTRATIVA

    • AU4 RDA INDICADOR DE DEFECTO AUTOREMOTO EN LA UNIDAD ADMINISTRATIVA

    • AU4 RDA INDICADOR DE DEFECTO REMOTO EN LA UNIDAD ADMINISTRATIVA

    Correct Answer
    A. AU4 RDI INDICADOR DE DEFECTO REMOTO EN LA UNIDAD ADMINISTRATIVA
    Explanation
    The correct answer, AU4 RDI INDICADOR DE DEFECTO REMOTO EN LA UNIDAD ADMINISTRATIVA, suggests that the indicator AU4 RDI is used to indicate a remote defect in the administrative unit. This means that the remote equipment has detected some issues in the incoming flow.

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  • 41. 

    En el cuarto orden cuando se recibe esta señal no se realiza ninguna acción consiguiente, pero es un aviso de problemas en el extremo remoto

    • B13R

    • B13T

    • B13AS

    • B13F

    Correct Answer
    A. B13R
    Explanation
    In the fourth order, when this signal is received, no further action is taken. However, it serves as a warning of problems at the remote end.

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  • 42. 

    Esta alarma es un indicador de perdida de trama en la señal que esta entrante en la sección regeneradora

    • BER

    • LOF

    • AIS

    • RS LOF

    Correct Answer
    A. RS LOF
    Explanation
    RS LOF stands for Remote Signal Loss of Frame. This alarm indicates that there is a loss of frame synchronization in the incoming signal in the regenerator section. This means that the regenerator is unable to properly interpret the frames in the signal, which can lead to errors in the transmission.

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  • 43. 

    Es la prueba de la etapa de radio enlace donde se recomienda verificar que el oscilador FI se encuentre en la frecuencia correcta

    • Modem

    • Modulador

    • Demodulador

    • Mixto 

    Correct Answer
    A. Modem
    Explanation
    In the given statement, it is mentioned that it is a test for the radio link stage and it is recommended to verify that the FI oscillator is in the correct frequency. The correct answer, "Modem," is a device that modulates and demodulates signals, allowing for the transmission and reception of data over a communication line. In the context of the radio link stage, a modem would be used to establish a connection and ensure that the FI oscillator is operating at the correct frequency for effective communication.

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  • 44. 

    En el cuarto orden cuando se recibe esta señal no se realiza ninguna acción consiguiente, pero es un aviso de problemas en el extremo remoto:

    • B11T

    • B13R

    • B13T

    • B11R

    Correct Answer
    A. B13R
    Explanation
    This answer suggests that when the signal B13R is received in the fourth order, no further action is taken. However, it serves as a warning of problems at the remote end.

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  • 45. 

    Es la prueba de la etapa de radio donde se recomienda verificar que el nivel de potencia de salida de FI se encuentre en la frecuencia correcta:

    • Demoludor

    • Modulador

    • Etapa principal

    • Modem

    Correct Answer
    A. Modem
    Explanation
    The correct answer is Modem. In the given question, it is mentioned that it is a test for the radio stage, and it is recommended to verify that the output power level of IF (Intermediate Frequency) is at the correct frequency. The modem is a device that modulates and demodulates signals for communication purposes, including radio transmission. Therefore, it is logical to assume that the modem would be involved in this test to ensure the correct frequency of the output power level.

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  • 46. 

    En el equipo terminal de radio es la senal que indica la pérdida o nivel demasiado bajo del nivel de recepción de la señal radioeléctrica

    • XRL

    • RLX

    • RXL

    • LRX

    Correct Answer
    A. LRX
    Explanation
    The correct answer is LRX. In the given statement, it is mentioned that "En el equipo terminal de radio es la señal que indica la pérdida o nivel demasiado bajo del nivel de recepción de la señal radioeléctrica." This sentence translates to "In the radio terminal equipment, LRX is the signal that indicates the loss or too low level of reception of the radio signal." Therefore, LRX is the correct answer based on the given information.

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  • 47. 

    En PCM indica que en el extremo remoto ha ocurrido perdida de señal de 2 Mb, error de alineamiento de trama, alta tasa de errores: 

    • H3

    • BER

    • LOS

    • B3R

    Correct Answer
    A. B3R
    Explanation
    The correct answer is B3R. B3R stands for Bit Error Rate. In this context, it indicates that at the remote end, there has been a loss of signal of 2 Mb, alignment frame error, and a high rate of errors. B3R is a measurement used to assess the quality of a digital transmission system by calculating the ratio of erroneous bits to the total number of bits transmitted.

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  • 48. 

    Es la prueba de la etapa de radio donde se recomienda verificar que nivel de potencia de salida de FI

    • MODEM

    • MODULADOR

    • DEMODULADOR

    • MODULADOR DEMODULADOR

    Correct Answer
    A. MODEM
    Explanation
    The correct answer is MODEM. In the given context, the question is asking about the stage of radio testing where it is recommended to verify the level of output power of the Intermediate Frequency (FI). A modem is a device that modulates and demodulates signals, allowing for the transmission and reception of data over a communication channel. In this case, the modem is likely being used in the radio system and is responsible for modulating and demodulating the signals at the Intermediate Frequency stage.

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  • 49. 

    Es la señal agregada a la banda base para no permitir al receptor reciba una señal equivocada cuando el nivel de reopción  de la onda principal disminuya.

    • Byte de identificacion del canal FM

    • Bits de Identificacion del canal RF

    • Byte de Identificacion del canal RF

    • Bits de Identificacion del canal FM

    Correct Answer
    A. Bits de Identificacion del canal RF
    Explanation
    The correct answer is "Bits de Identificacion del canal RF." This is because the given explanation states that it is the signal added to the baseband to prevent the receiver from receiving a wrong signal when the level of reopción of the main wave decreases. This suggests that the signal is used for identifying the RF channel, and it is done using bits.

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Quiz Review Timeline (Updated): Jul 22, 2024 +

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  • Current Version
  • Jul 22, 2024
    Quiz Edited by
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  • Aug 22, 2019
    Quiz Created by
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