Question Question 1. 1. (TCO 1) Identify the merger of legacy-based TDM architecture with packet-switching technology and call-control intelligence. (Points : 5) 

Question 1. 1. (TCO 1) Identify the merger of legacy-based TDM architecture with packet-switching technology and call-control intelligence. (Points : 5)
Telecommunication convergence
Analog convergence
Digital convergence
DSL and cable telecommunication convergence

Question 2. 2. (TCO 1) Choose the mechanism(s) for sending RAS messages using RAS channel over UDP. (Points : 5)
Retry counts
Timeout
Timeout and retry counts
Timeout, TTL, and retry counts

Question 3. 3. (TCO 2) Construct a 1.536 Mbps T1 link. (Points : 5)
24 Channels
32 Channels
Fractional Channels
CAS

Question 4. 4. (TCO 2) Identify how IP telephones access their media controllers. (Points : 5)
IP telephones access their media controllers through a hub.
IP telephones access their media controllers through a bridge.
IP telephones access their media controllers through a switched bridge.
IP telephones access their media controllers through a switched IP connection.

Question 5. 5. (TCO 3) An MCU may control three different conference types; please identify them. (Points : 5)
Centralized, decentralized, mobile
Mobile, centralized, decentralized
Centralized, mobile, decentralized
Centralized, decentralized, mixed

Question 6. 6. (TCO 3) Identify the cause of packet delay. (Points : 5)
It is not the time it takes a packet to traverse the network.
It is the time it takes a packet to traverse a router.
It is the time it takes a packet to traverse the network.
It is the time it takes a packet to traverse a switch.

Question 7. 7. (TCO 4) Which of the following characteristics are not common to circuit-switched networks? (Points : 5)
Store and forward transmission
Dedicated bandwidth
Potentially wasted bandwidth
Each packet follows the same route

Question 8. 8. (TCO 4) Explain why G.711 is used in LANs. (Points : 5)
There is quite a bit of bandwidth in a LAN and it is not expensive.
There is not much bandwidth in a LAN and it is not expensive.
There is quite a bit of bandwidth in a LAN and it is expensive.
There is not much bandwidth in a LAN and it is expensive.

Question 9. 9. (TCO 4) Select the codec that is most appropriate for limited bandwidth WANs. (Points : 5)
G.711
G.741
G.729
G.735

Question 10. 10. (TCO 5) Describe the three main ways of powering an IP telephone. (Points : 5)
Local power, powered AC patch panels, inline power
Local AC power, powered patch panels, inline power
Local power, powered patch panels, online power
Local power, powered patch panels, inline power

1. (TCO 5) Select the IEEE standard that defines the application of power to IP telephones through the UTP wiring. (Points : 5)
802.3af
802.11
802.13
802.4ab

Question 2. 2. (TCO 6) Identify the IEEE specifications that will support QoS on WLAN. (Points : 5)
IEEE802.11e
IEEE802.11a
IEEE802.11b
IEEE802.11g

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