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NETW 490 DeVry Week 3 Quiz Latest

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NETW 490 DeVry Week 3 Quiz Latest

NETW 490 DeVry Week 3 Quiz Latest

NETW490

 

NETW 490 DeVry Week 3 Quiz Latest

Question 1. 1. (TCO D) The three distinct roles played by nodes in the Internet are _____. (Points : 5)

  • the client, the proxy, and the subnet
  • the gateway, the router, and the client
  • the terminal, the gateway, and the gatekeeper
  • the client, the server, and the router

Question 2. 2. (TCO F) When implementing VoIP on a legacy TCP/IP network _____. (Points : 5)

  • the required control mechanisms may be offloaded onto an overlay network
  • the packetized voice traffic may be offloaded onto an overlay network
  • no additional infrastructure-based control mechanisms are required
  • Both A and B

Question 3. 3. (TCO D) The fact that a service provider does not have an inherent ability to optimize its resources _____. (Points : 5)

  • is a shortcoming of the Internet
  • is a key reason for the need for the anycast service
  • leads to the use of a CDN
  • All of the above

Question 4. 4. (TCO F) The R factor is a function of _____. (Points : 5)

  • resources, retransmission, and rerouting
  • delay, network loss rate, jitter loss rate, and cluster factor
  • voice quality
  • packet replication capability

Question 5. 5. (TCO D) Briefly describe the two main types of overlay networks. (Points : 15)

Question 6. 6. (TCO F) Briefly explain some of the main methods used to improve VoIP voice quality in an overlay network. (Points : 15)

NETW 490 DeVry Week 3 Quiz Latest

NETW 490 DeVry Week 3 Quiz Latest

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