Brian Gamble
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Final / Review ICND 1 (Ch 3) Quiz on DIKTA ICND 1 Ch 3, created by Brian Gamble on 23/02/2016.

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Brian Gamble
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DIKTA ICND 1 Ch 3

DIKTA ICND 1 Ch 3

Question 1 of 7

1

Which of the following best describes the main function of OSI Layer 1 as used in WANs?

Select one of the following:

  • Framing

  • Delivery of bits from one device to another

  • Addressing

  • Error detection

Explanation

Question 2 of 7

1

In the cabling for a leased line, which of the following typically connects to a fourwire line provided by a telco?

Select one of the following:

  • Router serial interface without internal CSU/DSU

  • CSU/DSU

  • Router serial interface with internal transceiver

  • Switch serial interface

Explanation

Question 3 of 7

1

Which of the following is an accurate speed at which a leased line can operate in the United States?

Select one of the following:

  • 100 Mbps

  • 100 Kbps

  • 256 Kbps

  • 6.4 Mbps

Explanation

Question 4 of 7

1

Which of the following fields in the HDLC header used by Cisco routers does Cisco add, beyond the ISO standard HDLC?

Select one of the following:

  • Flag

  • Type

  • Address

  • FCS

Explanation

Question 5 of 7

1

Two 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.)

Select one or more of the following:

  • R1 will connect to a physical Ethernet link, with the other end of the cable connected to R2.

  • R1 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.

  • R1 will forward data link frames to R2 using an HDLC header/trailer.

  • R1 will forward data link frames to R2 using an Ethernet header/trailer.

Explanation

Question 6 of 7

1

Which of the following Internet access technologies, used to connect a site to an ISP, offers asymmetric speeds? (Choose two answers.)

Select one or more of the following:

  • Leased lines

  • DSL

  • Cable Internet

  • BGP

Explanation

Question 7 of 7

1

Fred 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?

Select one of the following:

  • He uses the old phone, cabled to one of the router/switch device’s Ethernet
    ports.

  • He uses the old phone, cabled to the DSL modem’s ports.

  • He uses the old phone, cabled to an existing telephone port, and not to any new device.

  • The old phone must be replaced with a digital phone.

Explanation

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