单选题Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for calladmission control within existing H.323 environments？（）Asingle site with centralized call processingBsingle site with distributed call processingCmultisite with centr

第1题：

第2题：

A customer wants to deploy the Cisco Business Ready Teleworker solution, but is currently using a traditional (non-IP) PBX for voice services. What would you recommend to this customer?（）

• A、Deployment of Business Ready Teleworker with VoIP is not recommended.
• B、The customer’s existing PBX must first be replaced with Cisco IP Telephony solution.
• C、Business Ready Teleworker and Cisco IP Telephony can be deployed in parallel to the existing PBX， integrating the two with trunking.
• D、Deployment is recommended only for full-time Teleworkers who have no other corporate phone.

第3题：

第4题：

Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）

• A、IP telephone
• B、Voice gateway
• C、Private branch exchange (PBX)
• D、Advanced audio conferencing software

第5题：

Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for calladmission control within existing H.323 environments？（）

• A、 single site with centralized call processing
• B、 single site with distributed call processing
• C、 multisite with centralized call processing
• D、 multisite with distributed call processing

第6题：

Which tow statements are most correct regarding opt-in models?（）

• A、A based opt-in model uses virtualized identifiers
• B、A based opt-in model uses hardware values as identifiers
• C、A logical server opt-in model uses virtualized identifiers
• D、A logical server opt-in model uses hardware values as identifiers

第7题：

Which of the following layers of the TCP/IP model most closely corresponds to the network layer of the OSI model?（）

• A、Application
• B、Internet
• C、Transport
• D、Network
• E、Data Link

第8题：

第9题：

You are a network administrator of a large investor relations company that uses a switchednetwork to carry both data and IP telephony services. Why should you carry voice traffic on aseparate VLAN？（）

• A、IP phones require inline power and must be in separate VLAN to receive inline power
• B、IP telephony applications require prioritization over other traffic as they are more delaysensitive
• C、IP phones can only receive IP addresses through DHCP if they are in separate VLAN
• D、The CDP frames from the IP phone can only be recognized by the switch if the phone is in anauxiliary vlan

第10题：

Which two statements are true about RSVP and the InServ QoS model？（）

• A、a drawback of implementing RSVP is the requirement to migrate to a supporting routing protocol
• B、RSVP uses DSCP to signal QoS requirements to routers 
• C、RSVP is a routing protocol
• D、RSVP is an IP protocol that uses IP protocol ID 46， and TCP/UDP ports 3455
• E、RSVP specifically provides a level of service for rate-sensitive and delay-sensitive traffic
• F、the flow-based approach of RSVP is ideal for large， scalable implementations such as the public internet