Multiple Questions Answers
1. (TCO1) These facilities are phone company links that run from one switch to another and provide a connection from the central office switch to a PBX switch. (Points : 5)
Lines
Trunks
Copper loop
External telephone line
Question 2. 2. (TCO2) In regards ***** ***** Applications terminology, TDM is ____; VoIP is ____. (Points : 5)
de facto; de jure
Monolithic; Programmable
Traditional instruments; IP phone
Packet; Circuit
Question 3. 3. (TCO3) It is the common American PSTN’s public safety protocol for emergency situation. It is required for wireless voice carriers to provide emergency service as well as accurate location information. However, this service is not handled by VoIP protocols. (Points : 5)
Operational feasibility service
E911
Dispatch service
Asterisk Emergency Portal (AEP)
Question 4. 4. (TCO4) These are facility connections from the phone company switch to the residential analog telephones; or the term used for delivering dial-tone to a group of phones. (Points : 5)
Tip-ring
Lines
Trunks
Call links
Question 5. 5. (TCO5) This standard was formed by ITU-T to reinforce the management and deployment of telecom services. It stabilizes the interconnectivity of LANs that have different telecom equipment from multiple vendors, which performs network tasks and communication from one end of the network to another. (Points : 5)
Call Manager Standard (CMS)
Integrated Network Manager (INM)
Telecommunications Management Network (TMN)
Element Node Management System (EMNS)
Question 6. 6. (TCO6) VoIP packets are almost always UDP and its IP header may include a flag that allows router and switches to treat it with a certain priority based on sensitivity to delay. What is this flag called? (Points : 5)
TCP Push Flag
DLCI
Type of Service Flag
MPLS Priority Routing Flag
Question 7. 7. (TCO7) Along with CTI and ACD, this is a PBX supported application where multiple phones, telephony processes, phone operators, IVR, complex dial-plan, and hunt groups, run in a confined space and take information from customers, then, facilitate a response over the phone. (Points : 5)
Call Center
Auto Attendant
Intercom calling
Conferencing
Question 8. 8. (TCO10) It is a VoIP encoding technique, where a 64kbps voice call can be reduced to 44 kbps without a noticeable degradation in sound quality, and also reduces storage requirements by eliminating redundancy when using multiple T1 circuits, sending large data files and information over the network. (Points : 5)
Error control
Multiplexing
Compression
Traffic Shaping
Question 9. 9. (TCO11) This layer organizes and synchronizes dialogues between presentation entities in the OSI 7-Layer Communications Model, (Points : 5)
Data Link Layer
Transport Layer
Session Layer
Address of Destination
Question 10. 10. (TCO12) These infrastructure links use digitized voice IP packets to connect two PBX servers and can replace legacy trunks when two PBXs being linked are VoIP enabled. (Points : 5)
High speed T1 trunks
Private Digital trunks
T1 trunks
VoIP trunks