CCNA 4 Chapter 6: Broadband Solutions Flashcards
What are two Layer 2 WAN technologies that can provide secure remote connections between corporate branch offices? (Choose two.)
- Frame Relay
2. leased lines
Which two OSI Layer 1 specifications does DOCSIS define for a cable Internet connection? (Choose two.)
- channel bandwidth
2. modulation technique
Which medium is used for delivering data via DSL technology through PSTN?
copper
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?
cable
What are two characteristics of a PPPoE configuration on a Cisco customer router? (Choose two.)
- The PPP configuration is on the dialer interface
2. The Ethernet interface does not have an IP address.
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.
MAC
Fill in the blank. Use only an acronym.
“____” creates a PPP tunnel through the DSL connection for the purpose of sending PPP frames.
PPPoE
What functionality is required on routers provide remote workers with VoIP and videoconferencing capabilities?
QoS
Which broadband wireless technology is based on the 802.11 standard?
municipal Wi-Fi
Why is the MTU for a PPPoE DSL configuration reduced from 1500 bytes t1492?
to accommodate the PPPoE headers
Which standard specifies the channel frequencies and the deterministic access method of cable networks?
DOCSIS
Which two network components does a teleworker require to connect remotely and securely from home to the corporate network? (Choose two.)
- VPN client software or VPN-enabled router
2. broadband Internet connection
In which layer of the TCP/IP protocol model does IPsec apply security to network data?
internet
Which cable network communication technology is secure, extremely resistant to noise, and employs spread-spectrum technology?
S-CDMA
How is voice traffic affected when the customer uses ADSL technology?
ADSL signals can distort voice transmissions.
Which technology provides a secure connection between a SOHO and the headquarters office?
VPN
What are two characteristics of a PPPoE configuration on a Cisco customer router? (Choose two.)
- The PPP configuration is on the dialer interface.
2. The Ethernet interface does not have an IP address.
What advantage does DSL have compared to cable technology?
DSL is not a shared medium.
What are two disadvantages of employing teleworkers in an organization? (Choose two.)
- increased difficulty of tracking task progress
2. the need to implement a new management style
Match each type of broadband wireless technology:
Defined by the IEEE 802.16 standard
WiMax
Match each type of broadband wireless technology:
variants include 2G, 3G and 2G
Cellular/Mobile
Match each type of broadband wireless technology:
Idea solution when no other wireless access is available
Satellite
Which DSL technology provides higher downstream bandwidth to the user than upstream bandwidth?
ADSL
Which networking technology will ensure reliable and secure remote access when a teleworker connects to a corporate network?
an encrypted VPN tunnel
Which broadband technology would be best for a user that needs remote access when traveling in mountains and at sea?
satellite
Which type of long distance telecommunication technology provides point-to-point connections and cellular access?
WiMax
What functionality is required on routers to provide remote workers with VoIP and videoconferencing capabilities?
QoS.
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?
cable.
