Redes De Telecominicaciones II

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Redes De Telecominicaciones II - Quiz

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Questions and Answers
  • 1. 

    Capa del modelo OSI que proporciona la interfaz y servicios que soportan las aplicaciones de Usuario

    • A.

      CAPA FISICA

    • B.

      CAPA DE ENLACE

    • C.

      CAPA DE APLICACION

    • D.

      CAPA DE ADAPTACION

    Correct Answer
    C. CAPA DE APLICACION
    Explanation
    The correct answer is CAPA DE APLICACION. This layer of the OSI model provides the interface and services that support user applications. It is responsible for interacting directly with the user and providing services such as file transfer, email, and remote login.

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  • 2. 

    El protocolo SNMP, es un protocolo que trabaja en la capa de

    • A.

      CAPA FISICA

    • B.

      CAPA DE APLICACION

    • C.

      CAPA DE ENLACE

    • D.

      CAPA DE ADAPTACION

    Correct Answer
    B. CAPA DE APLICACION
    Explanation
    SNMP (Simple Network Management Protocol) es un protocolo utilizado para gestionar y supervisar dispositivos en una red. Opera en la capa de aplicación del modelo OSI, lo que significa que se encarga de la comunicación entre las aplicaciones de gestión y los agentes de gestión en los dispositivos de red. Este protocolo permite a los administradores de red recopilar información y controlar el rendimiento de los dispositivos, así como configurar y solucionar problemas en la red. Por lo tanto, la respuesta correcta es CAPA DE APLICACIÓN.

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  • 3. 

    El protocolo de transferencia de hipertexto (http), es un protocolo que trabaja en la capa de

    • A.

      CAPA FISICA

    • B.

      CAPA DE ADAPTACION

    • C.

      CAPA DE ENLACE

    • D.

      CAPA DE APLICACION

    Correct Answer
    D. CAPA DE APLICACION
    Explanation
    The correct answer is CAPA DE APLICACION because the Hypertext Transfer Protocol (HTTP) is a protocol that operates at the application layer of the TCP/IP model. The application layer is responsible for providing network services to user applications, and HTTP specifically enables communication between web browsers and web servers.

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  • 4. 

    Es el protocolo que utiliza los navegadores WEB y servidores WEB para transmitir archivos de texto y archivos de datos

    • A.

      HTTP

    • B.

      DHCP

    • C.

      DNS

    • D.

      MAC

    Correct Answer
    A. HTTP
    Explanation
    HTTP (Hypertext Transfer Protocol) is the correct answer because it is the protocol used by web browsers and web servers to transmit text files and data files. It allows for the communication and transfer of information between a client (web browser) and a server (web server) over the internet. HTTP is responsible for requesting and delivering web pages, images, videos, and other resources on the World Wide Web. It is the foundation of any web-based communication and is essential for accessing and interacting with websites.

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  • 5. 

    Protocolo que proporciona un interfaz para generar IP dinámicas

    • A.

      HTTP

    • B.

      DNS

    • C.

      DHCP

    • D.

      VLAN

    Correct Answer
    C. DHCP
    Explanation
    DHCP (Dynamic Host Configuration Protocol) is the correct answer because it is a protocol that provides an interface for generating dynamic IP addresses. DHCP allows network devices to automatically obtain IP addresses and other network configuration information from a DHCP server. This protocol is commonly used in local area networks (LANs) to efficiently manage and allocate IP addresses to devices, eliminating the need for manual configuration.

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  • 6. 

    Protocolo de la capa presentación que permite interpretar diferentes formatos de texto y otros archivos de parte de servidores de correo SMTP soluciones

    • A.

      DNS

    • B.

      FISICA

    • C.

      MAC

    • D.

      MINE

    Correct Answer
    D. MINE
    Explanation
    The correct answer is MINE because the given explanation states that "MINE" is a presentation layer protocol that allows the interpretation of different text formats and other files from SMTP mail servers. This suggests that MINE is the protocol responsible for handling the interpretation and encoding of different types of data in email communication.

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  • 7. 

    Protocolo de la capa de sesión encargado de resolver nombres de dominios y sus correspondientes direcciones IP

    • A.

      APLICACION

    • B.

      DNS

    • C.

      FISICA

    • D.

      TRANSPORTE

    Correct Answer
    B. DNS
    Explanation
    DNS (Domain Name System) is a protocol that operates at the session layer of the network. It is responsible for resolving domain names to their corresponding IP addresses. When a user enters a domain name in a web browser, the DNS server translates that domain name into an IP address, allowing the browser to establish a connection with the correct server. DNS plays a crucial role in the functioning of the internet by ensuring that users can access websites using human-readable domain names instead of having to remember complex IP addresses.

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  • 8. 

    Esta capa asegura la entrega confiable de datos entre procesos q corre en la computadora fuente y destino, nótese que la comunicación es entre procesos y no entre dispositivos

    • A.

      TRANSPORTE

    • B.

      FISICA

    • C.

      APLICACION 

    • D.

      ENLACE

    Correct Answer
    A. TRANSPORTE
    Explanation
    The given explanation states that the transport layer ensures reliable delivery of data between processes running on the source and destination computers. It highlights that the communication is between processes, not between devices.

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  • 9. 

    La dirección 00-77-00-EF es un ejemplo de dirección

    • A.

      MAC o DIR FISICA

    • B.

      CAPA DE ENLACE

    • C.

      CAPA DE APLICACION

    • D.

      CAPA DE DIRECCION

    Correct Answer
    A. MAC o DIR FISICA
    Explanation
    The given address "00-77-00-EF" is an example of a MAC or physical address. MAC addresses are unique identifiers assigned to network devices, such as Ethernet cards. They are used at the data link layer (layer 2) of the OSI model to ensure data is delivered to the correct destination within a local network. The MAC address consists of six pairs of hexadecimal digits, separated by hyphens or colons. In this case, "00-77-00-EF" represents a specific network device's MAC address.

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  • 10. 

    Capa del modelo OSI en la que trabaja el HUB

    • A.

      CAPA DE ENLACE

    • B.

      CAPA DE TRANSPORTE

    • C.

      CAPA FISICA

    • D.

      CAPA DE APLICACION

    Correct Answer
    C. CAPA FISICA
    Explanation
    The correct answer is CAPA FISICA because the physical layer of the OSI model is responsible for the actual transmission and reception of data bits over a physical medium, such as cables or wireless signals. A hub is a networking device that operates at the physical layer, as it simply forwards data packets to all connected devices without any intelligence or filtering. Therefore, the hub works at the physical layer of the OSI model.

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  • 11. 

    Capa del modelo OSI en la que trabaja el NIC

    • A.

      CAPA FISICA

    • B.

      CAPA DE ENLACE

    • C.

      CAPA DE TRANSPORTE

    • D.

      CAPA DE APLICACION

    Correct Answer
    B. CAPA DE ENLACE
    Explanation
    The correct answer is CAPA DE ENLACE because the NIC (Network Interface Card) operates at the data link layer of the OSI model. This layer is responsible for the reliable transfer of data between network devices over a physical link. The NIC handles tasks such as framing, error detection, and flow control, which are all functions of the data link layer.

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  • 12. 

    Dirección que especifica simultáneamente varios destinos

    • A.

      DIRECCION BROADCAST

    • B.

      SWITHC

    • C.

      ANILLO DOBLE

    • D.

      RED Y HOST

    Correct Answer
    A. DIRECCION BROADCAST
    Explanation
    The correct answer is "DIRECCION BROADCAST" because it refers to a type of address that simultaneously specifies multiple destinations. This type of address is commonly used in networking to send data to all devices on a network. The other options mentioned, such as "SWITCH," "DOBLE ANILLO," and "RED Y HOST," do not accurately describe an address that specifies multiple destinations.

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  • 13. 

    Dirección que se refiere a los dispositivos múltiples que van enviados a un subconjunto especifico de dirección de RED

    • A.

      MULTICAST

    • B.

      BASE TX

    • C.

      FIBRA OPTICA

    • D.

      MAC O DIRECCION

    Correct Answer
    A. MULTICAST
    Explanation
    Multicast refers to a type of network communication where data is sent from one sender to multiple receivers. It is used to efficiently distribute information to a specific group of devices on a network. Unlike unicast (one-to-one) or broadcast (one-to-all) communication, multicast allows for targeted delivery to a subset of devices with the same multicast group address. Therefore, the given answer "MULTICAST" correctly matches the description provided.

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  • 14. 

    Que es lo que hace un Switch con la trama si es enviada a un nodo que se encuentra en el segmento del cual ha sido enviada la trama

    • A.

      EL SWITCH CONTINUA CON LA TRAMA

    • B.

      EL SWITCH REMPLAZA LA TRAMA

    • C.

      EL SWITCH DESECHA LA TRAMA

    • D.

      EL SWITCH BORRA LA TRAMA

    Correct Answer
    C. EL SWITCH DESECHA LA TRAMA
    Explanation
    The correct answer is "EL SWITCH DESECHA LA TRAMA". When a switch receives a frame that is sent to a node within the same segment from which it was sent, the switch will discard the frame. This is because the switch's main function is to forward frames to the appropriate destination based on the MAC addresses. Since the destination node is within the same segment, there is no need for the switch to forward the frame.

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  • 15. 

    Que es lo que hace un Switch con  la trama cuando comprueba que el nodo destino es desconocido para el

    • A.

      ENVIA LA TRAMA SOLO ALGUNOS DE LOS SEGMENTOS LAN, Y POR EL CUAL FUE RECIBIDA LA TRAMA

    • B.

      ENVIA LA TRAMA A TODOS LOS SEGMENTOS LAN, TAMBIEN POR EL CUAL FUE RECIBIDA LA TRAMA

    • C.

      ENVIA LA TRAMA SOLO POR DONDE FUE RECIVIDO LOS SEGMENTOS LAN

    • D.

      ENVIA LA TRAMA A TODOS LOS SEGMENTOS LAN, MENOS POR EL CUAL FUE RECIBIDA LA TRAMA

    Correct Answer
    D. ENVIA LA TRAMA A TODOS LOS SEGMENTOS LAN, MENOS POR EL CUAL FUE RECIBIDA LA TRAMA
    Explanation
    Cuando un switch comprueba que el nodo destino de una trama es desconocido para él, envía la trama a todos los segmentos LAN, excepto por el cual fue recibida la trama. Esto se debe a que el switch utiliza una tabla de direcciones MAC para determinar a qué puerto enviar la trama. Si el destino no está en la tabla, el switch asume que se encuentra en otro segmento LAN y envía la trama a todos los demás segmentos para que el nodo destino pueda recibirla.

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  • 16. 

    Método de Switcheo que consiste en almacenar la trama de entrada en un buffers internos antes de enviarla al puerto de salida (envió después del CRC)

    • A.

      STORE AND FORSWARD

    • B.

      MULTICAST

    • C.

      BROADCAST

    • D.

      DETECCION DE COLISIONES

    Correct Answer
    A. STORE AND FORSWARD
    Explanation
    The given correct answer is "STORE AND FORWARD". This method involves storing the incoming frame in internal buffers before forwarding it to the output port. This process occurs after performing the CRC (Cyclic Redundancy Check) on the frame. This method ensures that the entire frame is received and checked for errors before being forwarded to the destination, which helps in reducing the chances of data loss or transmission errors.

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  • 17. 

    Red que segmenta logica/m la infraestructura en distintas subredes a dominios de difusión en el caso de Ethernet

    • A.

      VLEN

    • B.

      DNS

    • C.

      CTS

    • D.

      VLAN

    Correct Answer
    D. VLAN
    Explanation
    A VLAN (Virtual Local Area Network) is a logical network that segments the infrastructure into different subnets or broadcast domains in the case of Ethernet. It allows for the creation of multiple virtual networks within a physical network, enabling better network management, security, and flexibility. VLANs help to isolate network traffic, improve network performance, and enhance security by separating different types of users or devices into separate virtual networks.

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  • 18. 

    100 base Fx es una especificación de

    • A.

      100 MB FIBRA OPTICA

    • B.

      100 GB FIBRA OPTICA

    • C.

      10 MB FIBRE OPTICA

    • D.

      10 GB FIBRA OPTICA

    Correct Answer
    A. 100 MB FIBRA OPTICA
    Explanation
    100 base Fx es una especificación de conexión de red que utiliza una velocidad de transmisión de 100 megabits por segundo (100 MB) a través de fibra óptica. Esta especificación es comúnmente utilizada en redes de área local (LAN) para proporcionar una conexión de alta velocidad y confiable. La opción "100 MB FIBRA OPTICA" es la correcta porque coincide con la especificación mencionada en la pregunta.

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  • 19. 

    Especificación de 2 fibras (recepción transmisión) ópticas con una distancia máx. de 200m a 100 Mbps

    • A.

      10 BASE RX

    • B.

      100 BASE TX

    • C.

      10 BASE TX

    • D.

      100 BASE RX

    Correct Answer
    B. 100 BASE TX
    Explanation
    The correct answer is 100 BASE TX because it is the specification that allows for a maximum distance of 200m at a speed of 100 Mbps. This means that it is the appropriate choice for transmitting data over optical fibers within that distance range at that specific speed.

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  • 20. 

    Son las 3 funciones básicas del protocolo de acceso al medio CSMA/CD

    • A.

      EL MEDIO DE TRANSPORTE, LA MODULACION Y DEMODULACION

    • B.

      CANAL, EQUIPO Y LA ENERGIA 

    • C.

      SENTIR LA PORTADORA, ACCESO MULTIPLE Y DETECCION DE COLISIONES

    • D.

      TRANSMICION, RECEPCION Y CANAL DE TRANSPORTE

    Correct Answer
    C. SENTIR LA PORTADORA, ACCESO MULTIPLE Y DETECCION DE COLISIONES
    Explanation
    The correct answer is "SENTIR LA PORTADORA, ACCESO MULTIPLE Y DETECCION DE COLISIONES." These are the three basic functions of the CSMA/CD (Carrier Sense Multiple Access with Collision Detection) media access protocol. "Sentir la portadora" refers to the process of detecting if the communication medium is busy or idle before transmitting. "Acceso múltiple" means that multiple devices can access the medium at the same time. "Detección de colisiones" refers to the ability to detect if two or more devices transmit at the same time, causing a collision, and taking appropriate actions to resolve it.

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  • 21. 

    El FDDI es una de las características principales en la tolerancia a fallas

    • A.

      ANILLO DOBLE Y DUAL HOMING

    • B.

      FUENTE DIGITAL DE DATOS INTERNACIONALES 

    • C.

      TRAMA DE SEMEGNTOS

    • D.

      DETECCION DE COLISIONES

    Correct Answer
    A. ANILLO DOBLE Y DUAL HOMING
    Explanation
    The correct answer is "ANILLO DOBLE Y DUAL HOMING". This answer refers to the main features of FDDI, which include the use of a dual ring topology for redundancy and fault tolerance, as well as dual homing to provide multiple connections to network devices. These features ensure that the network remains operational even in the event of a failure or break in the network.

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  • 22. 

    Es el conjunto de familias de protocolos en la que trabaja la red Internet

    • A.

      TCP/IP

    • B.

      VLAN

    • C.

      SVC 

    • D.

      DSL/WAN

    Correct Answer
    A. TCP/IP
    Explanation
    TCP/IP is the correct answer because it refers to the set of protocols that form the foundation of the internet. TCP/IP stands for Transmission Control Protocol/Internet Protocol and it is responsible for establishing and maintaining communication between devices on the internet. It provides a reliable and standardized way for data to be transmitted and received, ensuring that information can be exchanged between different networks and devices. TCP/IP is essential for the functioning of the internet and is widely used in various applications and technologies.

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  • 23. 

    En la redes clase B, cuantos bits corresponden a la dirección de red y cuantos a la dirección de Host (255.255.0.0)

    • A.

      32 PARA RED Y 32 PARA HOST

    • B.

      16 PARA RED Y 32 PARA HOST

    • C.

      16 PARA RED Y 16 PARA HOST

    • D.

      32 PARA RED Y 16 PARA HOST

    Correct Answer
    C. 16 PARA RED Y 16 PARA HOST
    Explanation
    In a Class B network, the subnet mask 255.255.0.0 indicates that the first 16 bits are reserved for the network address, while the remaining 16 bits are available for host addresses. Therefore, the correct answer is "16 PARA RED Y 16 PARA HOST."

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  • 24. 

    En las redes C cuantos bits corresponden a red y cuantos a Host (255.255.255.0)

    • A.

      8 BITS

    • B.

      16 BITS

    • C.

      8 BYTE

    • D.

      16 BYTE

    Correct Answer
    A. 8 BITS
    Explanation
    The correct answer is 8 BITS because the subnet mask 255.255.255.0 is a Class C subnet mask, which means that the first 24 bits (3 bytes) are assigned to the network portion and the last 8 bits (1 byte) are assigned to the host portion. Therefore, 8 bits correspond to the network and 8 bits correspond to the host.

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  • 25. 

    Los intervalos de redes clase A se encuentran entre

    • A.

      255.0.0.0 HASTA 255.255.0.0

    • B.

      1.255.255.255 HASTA 255.225.0.0

    • C.

      1.0.0.0 HASTA 255.0.0.0

    • D.

      1.0.0.0 HASTA 126.0.0.0

    Correct Answer
    D. 1.0.0.0 HASTA 126.0.0.0
    Explanation
    The correct answer is "1.0.0.0 HASTA 126.0.0.0" because these IP addresses fall within the range of Class A network addresses. Class A networks have a range of 1.0.0.0 to 126.0.0.0, with the first octet ranging from 1 to 126. The other options provided in the question either exceed the valid range for Class A networks or fall within the range of Class B or Class C networks.

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  • 26. 

    Los intervalos de clase B se encuentran

    • A.

      128.0.0.0 Y 191.0.0.0

    • B.

      1.0.0.0  Y 128.0.0.0

    • C.

      1.0.0.0 Y 191.0.0.0

    • D.

      128.0.0.0 Y 190.0.0.0

    Correct Answer
    A. 128.0.0.0 Y 191.0.0.0
    Explanation
    The correct answer is "128.0.0.0 Y 191.0.0.0". This is because Class B IP addresses range from 128.0.0.0 to 191.255.255.255. Class B addresses are used for medium-sized networks and can support up to 65,534 hosts per network.

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  • 27. 

    Es la mascara asignada por default para las direcciones IP clase A

    • A.

      125.0.0.0

    • B.

      255.0.0.0

    • C.

      255.255.0.0

    • D.

      125.125.0.0

    Correct Answer
    B. 255.0.0.0
    Explanation
    The given IP address 125.0.0.0 belongs to the class A range. In class A, the default subnet mask is 255.0.0.0. This subnet mask allows for a large number of network addresses, with the first octet representing the network portion and the remaining three octets for host addresses. Therefore, the correct answer is 255.0.0.0.

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  • 28. 

    Es la máscara tomada por default para las direcciones IP clase B

    • A.

      255.255.0.0

    • B.

      255.0.0.0

    • C.

      125.125.0.0

    • D.

      125.0.0.0

    Correct Answer
    A. 255.255.0.0
    Explanation
    The correct answer is 255.255.0.0. This subnet mask is the default mask for Class B IP addresses. It allows for a network portion of 16 bits and a host portion of 16 bits, which means that it can support up to 65,534 hosts on each network.

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  • 29. 

    Es la máscara tomada por default para las direcciones IP clase C

    • A.

      255.255.0.0

    • B.

      255.0.0.0

    • C.

      125.0.0.0

    • D.

      255.255.255.0

    Correct Answer
    D. 255.255.255.0
    Explanation
    The given answer, 255.255.255.0, is the correct default subnet mask for Class C IP addresses. Class C IP addresses have a default subnet mask of 255.255.255.0, which means that the first three octets (255.255.255) represent the network portion of the IP address, while the last octet (0) represents the host portion. This subnet mask allows for a maximum of 254 hosts on the network.

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  • 30. 

    Protocolo basado en el protocolo HDLC usado en canales de RDSI

    • A.

      LAP-A

    • B.

      LAP-B

    • C.

      LAP-C

    • D.

      LAP-D

    Correct Answer
    D. LAP-D
    Explanation
    LAP-D is the correct answer because it is a protocol based on the HDLC protocol used in Integrated Services Digital Network (ISDN) channels. LAP-D stands for Link Access Procedure for the D Channel and is responsible for managing the signaling and control information on the D channel of an ISDN connection. It provides reliable and error-free transmission of data between the network and the user equipment. LAP-A, LAP-B, and LAP-C are also protocols based on HDLC but they are not specifically used in ISDN channels.

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  • 31. 

    Es el circuito virtual que se estable bajo demanda y se elimina terminando la conexión soluciones

    • A.

      UDP

    • B.

      SVC

    • C.

      ATM

    • D.

      VLAN

    Correct Answer
    B. SVC
    Explanation
    SVC stands for Switched Virtual Circuit, which is a type of circuit that is established on-demand and is terminated once the connection is finished. It is a virtual circuit that provides a connection-oriented service, similar to a traditional telephone call. Unlike UDP, which is a connectionless protocol, and ATM and VLAN, which are network technologies, SVC refers specifically to the type of circuit established and terminated as needed.

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  • 32. 

    Tecnología de multiplexacion y conmutación de Celdas q combina la conmutación de circuitos y conmutación de paquetes

    • A.

      SVC

    • B.

      VLAN

    • C.

      DNS

    • D.

      ATM

    Correct Answer
    D. ATM
    Explanation
    ATM stands for Asynchronous Transfer Mode. It is a technology that combines circuit switching and packet switching. In ATM, data is divided into fixed-size cells and transmitted over a network. It provides both connection-oriented and connectionless services, making it suitable for a wide range of applications. ATM offers high-speed transmission and low latency, making it ideal for real-time applications such as video conferencing and voice over IP. It also supports quality of service (QoS) features, allowing for the prioritization of certain types of traffic.

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  • 33. 

    Numero de bits de los cuales se encuentra conformada una celda ATM

    • A.

      8 BYTES

    • B.

      16 BYTES

    • C.

      53 BYTES

    • D.

      32 BYTES

    Correct Answer
    C. 53 BYTES
    Explanation
    ATM cells are fixed-length packets used in asynchronous transfer mode (ATM) networks. Each ATM cell consists of a 5-byte header and a 48-byte payload. Therefore, the total number of bits in an ATM cell is the sum of the bits in the header and the payload. The header is 5 bytes, which is equal to 40 bits, and the payload is 48 bytes, which is equal to 384 bits. Adding these two values together gives a total of 424 bits. Therefore, the correct answer is 53 bytes, as each byte consists of 8 bits.

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  • 34. 

    Servicio de valor agregado de TELMEX que permite a los clientes residenciales y comerciales el acceso a la red de Internet, a través de cualquier línea telefónica conmutada

    • A.

      PRODIGY INTERNET

    • B.

      DUAL HOMING

    • C.

      MACRONET

    • D.

      MODEM ADSL

    Correct Answer
    A. PRODIGY INTERNET
    Explanation
    Prodigy Internet is a value-added service provided by TELMEX that allows residential and commercial customers to access the Internet through any switched telephone line.

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  • 35. 

    Servicio contratado a TELMEX prodigy para acceder a Internet a una velocidad máxima de 56 Kbps

    • A.

      MACRONET

    • B.

      DUAL HOMING

    • C.

      PRODIGY INTERNET

    • D.

      ACCESO MULTIPLE

    Correct Answer
    C. PRODIGY INTERNET
    Explanation
    The given correct answer, PRODIGY INTERNET, is the most suitable option because it directly relates to the context mentioned in the question. The question states that the service is contracted with TELMEX prodigy for accessing the internet at a maximum speed of 56 Kbps. PRODIGY INTERNET is a well-known internet service provider, and choosing this option aligns with the details provided in the question.

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  • 36. 

    Al contratar prodigy infinitum de 512 Kbps cual es la velocidad máxima de recepción y cuál es la velocidad máxima de envió

    • A.

      RECEPCION 512 Y ENVIO 256

    • B.

      RECPECION 125 Y ENVIO 64

    • C.

      RECEPCION 256 Y ENVIO 512

    • D.

      RECEPCION 32 Y ENVIO 16

    Correct Answer
    A. RECEPCION 512 Y ENVIO 256
    Explanation
    The correct answer is that the maximum reception speed is 512 Kbps and the maximum transmission speed is 256 Kbps. This means that when using Prodigy Infinitum with a 512 Kbps plan, the user can receive data at a maximum speed of 512 Kbps and send data at a maximum speed of 256 Kbps.

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  • 37. 

    Es la velocidad hasta la cual opera el equipo que funciona en el protocolo 802.11b

    • A.

      16 MBPS

    • B.

      2 MBPS

    • C.

      8 MBPS

    • D.

      32 MBPS

    Correct Answer
    B. 2 MBPS
    Explanation
    The correct answer is 2 MBPS. This is the speed at which the equipment operates in the 802.11b protocol.

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  • 38. 

    Es la capa que realiza la codificación ASCII

    • A.

      Option 1

    • B.

      Option 2

    • C.

      Option 3

    • D.

      Option 4

    Correct Answer
    A. Option 1
    Explanation
    The given correct answer is Option 1 because the statement "Es la capa que realiza la codificación ASCII" suggests that this layer performs ASCII encoding. ASCII encoding is a character encoding standard that represents text in computers and other devices. Therefore, Option 1 is the most suitable choice as it implies that this layer is responsible for encoding data using the ASCII standard.

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  • 39. 

    El protocolo de transferencia de archivos (FTP), es un protocolo, que trabaja en la capa de

    • A.

      APLICACION

    • B.

      ENLACE

    • C.

      FISICA

    • D.

      TRANSPORTE

    Correct Answer
    A. APLICACION
    Explanation
    El protocolo de transferencia de archivos (FTP) es un protocolo que se utiliza para la transferencia de archivos entre un cliente y un servidor en una red. Este protocolo trabaja en la capa de aplicación del modelo de referencia OSI, lo que significa que se encarga de la comunicación entre las aplicaciones de los dispositivos finales. Al trabajar en esta capa, el protocolo FTP puede utilizar otros protocolos de capas inferiores, como TCP/IP, para garantizar la entrega de los datos de manera confiable.

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  • 40. 

    Protocolo de administración de redes que se usa casi exclusivamente en redes TCP/IP

    • A.

      BPSM

    • B.

      ATM

    • C.

      SNMP

    • D.

      VLAN

    Correct Answer
    C. SNMP
    Explanation
    SNMP (Simple Network Management Protocol) is a network management protocol that is widely used in TCP/IP networks. It allows network administrators to monitor and manage network devices such as routers, switches, and servers. SNMP provides a standardized way for devices to communicate and exchange information about their status and performance. It is designed to be simple and efficient, making it a popular choice for network management in TCP/IP networks.

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  • 41. 

    Capa del modelo OSI que toma los paquetes en la capa de la aplicación y los convierte a un formato genérico que pueden leer todas las computadoras

    • A.

      PRESENTACION

    • B.

      APLICACION

    • C.

      FISCA

    • D.

      ENLACE

    Correct Answer
    A. PRESENTACION
    Explanation
    The correct answer is PRESENTACION. This layer of the OSI model takes the packets from the application layer and converts them into a generic format that can be read by all computers.

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  • 42. 

    Protocolo de la capa de trasporte muy rápido no confiable ni basado en conexión

    • A.

      TSW

    • B.

      SDH

    • C.

      UDP

    • D.

      PDH

    Correct Answer
    C. UDP
    Explanation
    UDP stands for User Datagram Protocol, which is a transport layer protocol that provides a fast and unreliable communication service. Unlike TCP, UDP does not guarantee the delivery of packets or provide error checking. It is also a connectionless protocol, meaning that it does not establish a connection before transmitting data. UDP is commonly used for applications that require low latency and can tolerate some packet loss, such as streaming media or online gaming. Therefore, UDP is the correct answer in this context.

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  • 43. 

    La dirección 00-AF-77-03-87-7F es un ejemplo de dirección

    • A.

      FISICA 

    • B.

      VIRTUAL

    • C.

      APLICACION

    • D.

      TRANSPORTE

    Correct Answer
    A. FISICA 
    Explanation
    The given address "00-AF-77-03-87-7F" is an example of a physical address. Physical addresses are unique identifiers assigned to network devices, such as computers or routers, in a physical network. They are also known as MAC (Media Access Control) addresses and are used to facilitate communication between devices on a local network.

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  • 44. 

    Dispositivo para interconexión de redes, capaz de proporcionar un camino de comunicación y ancho de banda dedicado entre la red origen y la red destino

    • A.

      TRANFERENCIA

    • B.

      CONMUTACION

    • C.

      RECEPCION

    • D.

      SWITCH

    Correct Answer
    D. SWITCH
    Explanation
    A switch is a device used for interconnecting networks and providing a dedicated communication path and bandwidth between the source and destination networks. It allows for the transfer of data packets between different devices on a network, enabling efficient and secure communication. Unlike a hub, which broadcasts data to all connected devices, a switch intelligently directs data only to the intended recipient, improving network performance and reducing congestion. Therefore, a switch is the correct answer in this context.

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  • 45. 

    Que es lo que hace un SWITCH con la trama cuando comprueba que la dirección MAC de destino está dirigida a un nodo “distinto” del segmento del cual proviene la trama

    • A.

      RECIVE LAA TRAMA A TODOS LOS SEGEMENTOS (BROADCAST), MENOS POR EL CUAL FUE ENVIADA

    • B.

      ENVIAR LA TRAMA A TODOS LOS SEGEMENTOS (BROADCAST), MENOS POR EL CUAL FUE RECIBIDA LA TRAMA 

    • C.

      ENVIAR LA TRAMA A TODOS LOS SEGEMENTOS (BROADCAST) Y HASTA POR DONDE FUE RECIVIDA LA TRAMA

    • D.

      RECIVE LA TRAMA A TODOS LOS SEGEMENTOS (BROADCAST), MENOS POR EL CUAL FUE RECIBIDA LA TRAMA 

    Correct Answer
    B. ENVIAR LA TRAMA A TODOS LOS SEGEMENTOS (BROADCAST), MENOS POR EL CUAL FUE RECIBIDA LA TRAMA 
    Explanation
    Cuando un switch comprueba que la dirección MAC de destino de una trama está dirigida a un nodo "distinto" del segmento del cual proviene la trama, enviará la trama a todos los segmentos de la red, excepto por el segmento por el cual fue recibida la trama. Esto se conoce como envío de la trama a todos los segmentos (broadcast), excepto por el cual fue recibida la trama.

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  • 46. 

    10Base-T es una especificación de

    • A.

      MACRONET

    • B.

      INFINITUM

    • C.

      ETHERNET

    • D.

      INTERNET

    Correct Answer
    C. ETHERNET
    Explanation
    10Base-T es una especificación de Ethernet. Ethernet es una tecnología de red de área local (LAN) que permite la comunicación de datos entre dispositivos en una red. La especificación 10Base-T se refiere a la velocidad de transmisión de datos de 10 megabits por segundo (Mbps) y utiliza cables de par trenzado para la conexión de dispositivos. Esta especificación fue una de las primeras en ser ampliamente utilizada para la conexión de computadoras en redes locales.

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  • 47. 

    Especificación que utiliza cable de par trenzado tipo UTP, con una distancia máxima de 100 m a una velocidad de transmisión de 100Mbps

    • A.

      100 BASE - RX

    • B.

      10 BASE - TX

    • C.

      10 BASE - RX

    • D.

      100 BASE - TX

    Correct Answer
    D. 100 BASE - TX
    Explanation
    The given specification states that it requires the use of UTP twisted pair cable with a maximum distance of 100m and a transmission speed of 100Mbps. The answer "100 BASE - TX" is the correct choice because it corresponds to a transmission speed of 100Mbps, which matches the specified requirement. The "BASE" indicates the baseband transmission, and "TX" stands for transmit, indicating that it is the correct option for transmitting data at the specified speed using UTP cable.

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  • 48. 

    Cuál es la topología y medio de transmisión que se emplea en FDDI

    • A.

      FIBRA ELECTRICA Y ESTA CONFIGURADA EN TOPOLOGIA ANILLO SENCILLO

    • B.

      FIBRA OPTICA Y ESTA CONFIGURADA EN TOPOLOGIA ANILLO DOBLE

    • C.

      LINEA ELECETRICA Y ESTA CONFIGURADA EN TOPOLOGIA ANILLO DOBLE

    • D.

      FIBRA OPTICA Y ESTA CONFIGURADA EN TOPOLOGIA ANILLO SENCILLO

    Correct Answer
    B. FIBRA OPTICA Y ESTA CONFIGURADA EN TOPOLOGIA ANILLO DOBLE
    Explanation
    The correct answer is "FIBRA OPTICA Y ESTA CONFIGURADA EN TOPOLOGIA ANILLO DOBLE" (Optical fiber and configured in a dual ring topology). FDDI (Fiber Distributed Data Interface) is a network technology that uses optical fiber as the transmission medium. It employs a dual ring topology, where data is transmitted in both directions simultaneously for redundancy and fault tolerance. This configuration ensures high reliability and fault tolerance in the network.

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  • 49. 

    En las redes clase A, cuantos bits corresponden a la dirección de red y cuantos a la dirección de host

    • A.

      8 PARE RED Y 24 PARA HOST

    • B.

      16 PARA RED Y 48 PARA HOST

    • C.

      4 PARA RED Y 16 PARA HOST

    • D.

      32 PAR RED Y 254 PARA HOST

    Correct Answer
    A. 8 PARE RED Y 24 PARA HOST
    Explanation
    In class A networks, the IP address is divided into two parts: the network address and the host address. In this case, the answer states that there are 8 bits for the network address and 24 bits for the host address. This means that the first 8 bits of the IP address are used to identify the network, while the remaining 24 bits are used to identify the specific host within that network.

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  • 50. 

    Determina la parte de la dirección IP que se usa para la red, la subred y las direcciones de los dispositivos (host)

    • A.

      Mascara

    • B.

      Direccion

    • C.

      Mascara de Subred IPv6

    • D.

      Macara de Subred IPv4

    Correct Answer
    A. Mascara
    Explanation
    The correct answer is "Mascara". In computer networking, a subnet mask or netmask is used to determine the network portion of an IP address and the host portion. It helps in identifying the network address, subnet address, and the host address. The subnet mask is applied to the IP address to separate the network and host portions, allowing devices to communicate within the same network.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 06, 2019
    Quiz Created by
    Estebandido
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