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CCNA EXAMS: Switching > CCNA 4 Chapter 6: Broadband Solutions > Flashcards

CCNA 4 Chapter 6: Broadband Solutions Flashcards

1
Q

What are two Layer 2 WAN technologies that can provide secure remote connections between corporate branch offices? (Choose two.)

A
  1. Frame Relay

2. leased lines

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2
Q

Which two OSI Layer 1 specifications does DOCSIS define for a cable Internet connection? (Choose two.)

A
  1. channel bandwidth

2. modulation technique

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3
Q

Which medium is used for delivering data via DSL technology through PSTN?

A

copper

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4
Q

A company is looking for the least expensive broadband solution that provides at least 10 Mb/s download speed. The company is located 5 miles from the nearest provider. Which broadband solution would be appropriate?

A

cable

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5
Q

What are two characteristics of a PPPoE configuration on a Cisco customer router? (Choose two.)

A
  1. The PPP configuration is on the dialer interface

2. The Ethernet interface does not have an IP address.

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6
Q

Fill in the blank.
DOCSIS specifies the ”____“ sub-layer as a Layer 2 requirement that defines either a deterministic access method, TDMA, or S-CDMA.

A

MAC

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7
Q

Fill in the blank. Use only an acronym.

“____” creates a PPP tunnel through the DSL connection for the purpose of sending PPP frames.

A

PPPoE

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8
Q

What functionality is required on routers provide remote workers with VoIP and videoconferencing capabilities?

A

QoS

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9
Q

Which broadband wireless technology is based on the 802.11 standard?

A

municipal Wi-Fi

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10
Q

Why is the MTU for a PPPoE DSL configuration reduced from 1500 bytes t1492?

A

to accommodate the PPPoE headers

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11
Q

Which standard specifies the channel frequencies and the deterministic access method of cable networks?

A

DOCSIS

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12
Q

Which two network components does a teleworker require to connect remotely and securely from home to the corporate network? (Choose two.)

A
  1. VPN client software or VPN-enabled router

2. broadband Internet connection

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13
Q

In which layer of the TCP/IP protocol model does IPsec apply security to network data?

A

internet

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14
Q

Which cable network communication technology is secure, extremely resistant to noise, and employs spread-spectrum technology?

A

S-CDMA

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15
Q

How is voice traffic affected when the customer uses ADSL technology?

A

ADSL signals can distort voice transmissions.

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16
Q

Which technology provides a secure connection between a SOHO and the headquarters office?

A

VPN

17
Q

What are two characteristics of a PPPoE configuration on a Cisco customer router? (Choose two.)

A
  1. The PPP configuration is on the dialer interface.

2. The Ethernet interface does not have an IP address.

18
Q

What advantage does DSL have compared to cable technology?

A

DSL is not a shared medium.

19
Q

What are two disadvantages of employing teleworkers in an organization? (Choose two.)

A
  1. increased difficulty of tracking task progress

2. the need to implement a new management style

20
Q

Match each type of broadband wireless technology:

Defined by the IEEE 802.16 standard

A

WiMax

21
Q

Match each type of broadband wireless technology:

variants include 2G, 3G and 2G

A

Cellular/Mobile

22
Q

Match each type of broadband wireless technology:

Idea solution when no other wireless access is available

A

Satellite

23
Q

Which DSL technology provides higher downstream bandwidth to the user than upstream bandwidth?

A

ADSL

24
Q

Which networking technology will ensure reliable and secure remote access when a teleworker connects to a corporate network?

A

an encrypted VPN tunnel

25
Q

Which broadband technology would be best for a user that needs remote access when traveling in mountains and at sea?

A

satellite

26
Q

Which type of long distance telecommunication technology provides point-to-point connections and cellular access?

A

WiMax

27
Q

What functionality is required on routers to provide remote workers with VoIP and videoconferencing capabilities?

A

QoS.

28
Q

A company is looking for the least expensive broadband solution that provides at least 10 Mb/s download speed. The company is located 5 miles from the nearest provider. Which broadband solution would be appropriate?

A

cable.

CCNA EXAMS: Switching (10 decks)

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