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Test

DIKTA ICND 1 Ch 3

Brian Gamble 7 preguntas

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Preguntas del test (7)

  1. 1Which of the following best describes the main function of OSI Layer 1 as used in WANs?
    1. AFraming
    2. BDelivery of bits from one device to another
    3. CAddressing
    4. DError detection
  2. 2In the cabling for a leased line, which of the following typically connects to a fourwire line provided by a telco?
    1. ARouter serial interface without internal CSU/DSU
    2. BCSU/DSU
    3. CRouter serial interface with internal transceiver
    4. DSwitch serial interface
  3. 3Which of the following is an accurate speed at which a leased line can operate in the United States?
    1. A100 Mbps
    2. B100 Kbps
    3. C256 Kbps
    4. D6.4 Mbps
  4. 4Which of the following fields in the HDLC header used by Cisco routers does Cisco add, beyond the ISO standard HDLC?
    1. AFlag
    2. BType
    3. CAddress
    4. DFCS
  5. 5Two routers, R1 and R2, connect using an Ethernet over MPLS service. The service provides point-to-point service between these two routers only, as a Layer 2 Ethernet service. Which of the following are the most likely to be true about this WAN?
    (Choose two answers.)
    1. AR1 will connect to a physical Ethernet link, with the other end of the cable connected to R2.
    2. BR1 will connect to a physical Ethernet link, with the other end of the cable connected to a device at the WAN service provider point of presence.
    3. CR1 will forward data link frames to R2 using an HDLC header/trailer.
    4. DR1 will forward data link frames to R2 using an Ethernet header/trailer.
  6. 6Which of the following Internet access technologies, used to connect a site to an ISP, offers asymmetric speeds? (Choose two answers.)
    1. ALeased lines
    2. BDSL
    3. CCable Internet
    4. DBGP
  7. 7Fred has just added DSL service at his home, with a separate DSL modem and consumer-grade router with four Ethernet ports. Fred wants to use the same old phone he was using before the installation of DSL. Which is most likely true about the phone cabling and phone used with his new DSL installation?
    1. AHe uses the old phone, cabled to one of the router/switch device’s Ethernet
      ports.
    2. BHe uses the old phone, cabled to the DSL modem’s ports.
    3. CHe uses the old phone, cabled to an existing telephone port, and not to any new device.
    4. DThe old phone must be replaced with a digital phone.

Información

Descripción
Final / Review (Ch 3) ICND 1 Test sobre DIKTA ICND 1 Ch 3, creado por Brian Gamble el 23/02/2016.
Idioma
English
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