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单选题
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
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Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?()
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Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）A、Voice gatewayB、Private branch exchange (PBX)C、Advanced audio conferencing softwareD、IP telephone
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A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（）A、Digital subscriber line (DSL)B、Optical networkC、Wireless local-area network (WLAN)D、Internet Protocol (IP) telephony
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Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?（）A、Client-based software, such as CiscoSoftPhoneB、Voice gateways, such as the Cisco VG248 Analog Phone GatewayC、Call-management hardware and software, such as CiscoCallManagerD、Advanced call-handling software, such as Cisco Unity
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Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）A、IP telephoneB、Voice gatewayC、Private branch exchange (PBX)D、Advanced audio conferencing software
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Which statement is true about IP telephony calls？（）A、 A Voice over IP （VoIP） packet consists of the voice payload， IP header， TCP header， RTP header， and Layer 2 link header.B、 The voice carrier stream uses H323 to set up， maintain， and tear down call endpoints.C、 Call control signaling uses Real-Time Transport Protocol （RTP） packets that contain actual voice samples.D、 The sum of bandwidth necessary for each major application， including voice， video， and data， should not exceed 75 percent of the total available bandwidth for each link.
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A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（）A、Optical networkB、Digital subscriber line (DSL)C、Internet Protocol (IP) telephonyD、Wireless local-area network (WLAN)
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Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）A、Call management softwareB、Media Convergence Servers (MCSs)C、Voice gatewaysD、IP telephones
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Sun Stable is a global insurance company with headquarters located in Houston， Texas. Thecampus there is made up of a number of office buildings located within the same vicinity. In 2003，a new building. Building 331B was added. The additional building houses approximately 1000 employees. Ratherthan deploy a private branch exchange （PBX） in the new building， Sun Stable has decided toimplement an IP telephony solution. External calls will be carried across a MAN link to anotherbuilding， where a gateway connects into the worldwide PBX network of Sun Stable. Voice mail andunified messaging components are required and all IP phones and workstations should be on separate VLANs and IP subnets. ActualTests.comWhich IP telephony deployment best suits their need？（）A、 single-siteB、 multisite with centralized call processingC、 multisite with distributed call processingD、 clustering over the WAN
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What best describes an FXO interface？（）A、analog trunks that provide the Survivable Remote Site Telephony (SRST) feature B、analog trunks that provide VoIP gateway functionality C、analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems D、analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)
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Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）A、IP telephonesB、Voice gatewaysC、Call management softwareD、Media Convergence Servers (MCSs)
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单选题What is a benefit of Internet protocol (IP) telephony?（）A
Synchronizes password exchanges for call setupB
Eliminates the need for physical cabling in a TCP/IP networkC
Enables two-way voice transmission over a packet-switched TCP/IP networkD
Creates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network
考题
单选题Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?（）A
Client-based software, such as CiscoSoftPhoneB
Voice gateways, such as the Cisco VG248 Analog Phone GatewayC
Call-management hardware and software, such as CiscoCallManagerD
Advanced call-handling software, such as Cisco Unity
考题
单选题What best describes an FXO interface？（）A
analog trunks that provide the Survivable Remote Site Telephony (SRST) feature B
analog trunks that provide VoIP gateway functionality C
analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems D
analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)
考题
单选题Which statement is true about IP telephony calls？（）A
A Voice over IP （VoIP） packet consists of the voice payload， IP header， TCP header， RTP header， and Layer 2 link header.B
The voice carrier stream uses H323 to set up， maintain， and tear down call endpoints.C
Call control signaling uses Real-Time Transport Protocol （RTP） packets that contain actual voice samples.D
The sum of bandwidth necessary for each major application， including voice， video， and data， should not exceed 75 percent of the total available bandwidth for each link.
考题
单选题Sun Stable is a global insurance company with headquarters located in Houston, Texas. The campus there is made up of a number of office buildings located within the same vicinity. In 2003, a new building, Building 331B was added. The additional building houses approximately 1000 employees. Rather than deploy a private branch exchange (PBX) in the new building, Sun Stable has decided to implement an IP telephony solution. External calls will be carried across a MAN link to another building, where a gateway connects into the worldwide PBX network of Sun Stable. Voice mail and unified messaging components are required and all IP phones and workstations should be on separate VLANs and IP subnets.Which IP telephony deployment best suits their need?（）A
single-site.B
multisite with centralized call processingC
multisite with distributed call processingD
clustering over the WAN
考题
单选题A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（）A
Digital subscriber line (DSL)B
Optical networkC
Wireless local-area network (WLAN)D
Internet Protocol (IP) telephony
考题
单选题Sun Stable is a global insurance company with headquarters located in Houston， Texas. Thecampus there is made up of a number of office buildings located within the same vicinity. In 2003，a new building. Building 331B was added. The additional building houses approximately 1000 employees. Ratherthan deploy a private branch exchange （PBX） in the new building， Sun Stable has decided toimplement an IP telephony solution. External calls will be carried across a MAN link to anotherbuilding， where a gateway connects into the worldwide PBX network of Sun Stable. Voice mail andunified messaging components are required and all IP phones and workstations should be on separate VLANs and IP subnets. ActualTests.comWhich IP telephony deployment best suits their need？（）A
single-siteB
multisite with centralized call processingC
multisite with distributed call processingD
clustering over the WAN
考题
单选题Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）A
Voice gatewayB
Private branch exchange (PBX)C
Advanced audio conferencing softwareD
IP telephone
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