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1. Time-Division Multiplexing (TDM) uses trunks as a single or multi-channel telephone transmission channel with wide bandwidth to establish connections between switching systems and distribution points, or between two different types of switching systems.
Which type of transmission do TDM connections, or circuits, transmit, receive, or combine transmissions/receives of?
A. SIP and H.323 Transmissions Only
B. Both Voice and Data Transmissions
C. Data Only Transmissions
D. Voice Only Transmissions
Answer: B
2. Which functionality do TIE trunks provide?
A. connects a telephone companies’ central office and the PBX of a customer
B. connects two different PBXs, whether in the same building or further away
C. allows an outside caller to dial a station on a PBX directly
D. provide incoming or outgoing service only, and not a combination of incoming/outgoing connections
Answer: B
3. Integrated Services Digital Network (ISDN) uses international standards defined by ITU-T, an advisory committee under the ITU, to provide recommendations for global standards. It transmits voice, data and video communications as well as telephone signaling information, using internationally approved protocols to provide faster, economical and high QoS services.
What is ISDN divided into?
A. Central Office Trunks (COT) and Direct Inward Dial (DID) Trunks
B. Foreign Exchange (FX) and Wide Area Telephone Service (WATS) trunks
C. Basic Rate Interface (BRI) and Primary Rate Interface (PRI)
D. H.323 and SIP media paths
Answer: C
4. SIP connectivity, or SIP trunking, provides a direct media path (trunk interface) between domains.
Which type of servers do SIP Servers consist of?
A. Proxy Server, Redirect Server and Registrar Server
B. Converged Desktop Service (CDS), Multimedia Communication Server (MCS), and Office Communications Server (OCS)
C. SIP User Agent, SIP Signaling Gateway, and SIP Trunk Gateway
D. Microsoft LCS 2500, Microsoft OCS 2007, and IBM Lotus Notes
Answer: A
5. In an IP Peer Networking environment on the Communication Server (CS) 1000, what functionality does the Network Routing Service (NRS) provide?
A. replaces the basic networking parameters defined in BARS/NARS
B. provides transcoding functionality for IP to TDM and TDM to IP calls
C. centralized management of a single network dialing plan for SIP, H.323 and mixed SIP/H.323 networks
D. sychronizes system configuration and database between Call Server and the Signaling Server
Answer: C
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