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
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
相关考题：
The Internet is a ()system of interconnected computer networks that use thestandard Internet protocol suite (TCP／IP) to serve several billion users worldwide. A.globalB.regionalC.localD.national
TCP/IP is a communication protocol, which provides many different networking services. The TCP/IP Internet protocol suite is formed from two standards: the TCP （Transmission Control Protocol） and the IP（Internet Protocol）.（72） means it is on the transport layer.A.ISOB.IPC.OSID.TCP
Which command allows viewing of only OSPF routes?() A.show ip ospf routeB.show ip route protocol ospfC.show route protocol ospfD.show ospf table
The Internet is based on a connectionless end-to-end packet service, which traditionally provided best-effort means of data （ ）using the Transmission Control Protocol/Internet Protocol Suite. Although the （ ）design gives the Internet its flexibility and robustness, its packet dynamics also make it prone to congestion problems,especially at （ ）that connect networks of widely different bandwidths.The initial QoS function set was for internet hosts.One major problem with expensive wide-area（ ）links is the excessive overhead due to small Transmission Control Protocol packets created by applications such as telnet and rlogin. The Nagle （ ），which solves this issue,is now supported by all IP host implementations.A.transformationB.transportationC.processingD.progressingA.connectionlessB.connectionC.connection-orientedD.connotationA.hostsB.switchesC.routersD.computersA.interconnectionB.networkC.internetD.webA.technologyB.problemC.structureD.algorithm
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
The Internet is based on connectionless end-to-end packet service, which traditionally provided best-effort means of data （请作答此空）using the Transmission Control Protocol/Internet Protocol Suite. Although the （ ）design gives the Internet its flexibility and robustness, its packet dynamics also make it prone to congestion problems,especially at （ ）that connect networks of widely different bandwidths.The initial QoS function set was for internet hosts.One major problem with expensive wide-area（ ）links is the excessive overhead due to small Transmission Control Protocol packets created by applications such as telnet and rlogin. The Nagle （ ），which solves this issue,is now supported by all IP host implementations.A.transformationB.transportationC.processingD.progressing
Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device（）. SNMP is a component of the Internet Protocol Suiteas defined by the Internet（ ）Task Force. SNMP operates in the（ ）layer of the Internet protocol suite. All SNMP messages are transported via User（请作答此空）Protocol. An SNMP-managed network consists of three key components: a) Managed devices, b) （ ）(i.e.，software which runs on managed devices), and c) Network management station (NMS) (i.e.， software which runs on the manager).A.DatumB.DatagramC.DatA.PacketD.DatA.Message
Internet Protocol version 6 （IPv6） is the next-generation Internet Layer protocol for packet-switched internetworks and the Internet. IPv6 router solicitation is（）A、A request made by a node for the IP address of the local routerB、A request made by a node to join a specified multicast groupC、A request made by a node for a DHCP provided IP addressD、A request made by a node for the IP address of the DHCP server
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 protocolB、RSVP uses DSCP to signal QoS requirements to routers C、RSVP is a routing protocolD、RSVP is an IP protocol that uses IP protocol ID 46， and TCP/UDP ports 3455E、RSVP specifically provides a level of service for rate-sensitive and delay-sensitive trafficF、the flow-based approach of RSVP is ideal for large， scalable implementations such as the public internet
Which protocol supports LDP sessions?（）A、SIP (port 626)B、TCP (port 646)C、UDP (port 606)D、IP (protocol code LDP)
TCP/IP协议是一个协议集，其中网际协议 IP（Internet Protocol）和传输控制协议TCP（Transmission Control protocol）是最核心的两个协议。（）
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
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)
Which common Internet protocol allows for retrieval of e-mail from a server？（）A、ISPB、POPC、FTPD、SMTP
In a TCP/IP network， which of the following commands utilizes the ICMP protocol？（）A、rcpB、tftpC、pingD、rpcinfo
Which command allows viewing of only OSPF routes?（）A、show ip ospf routeB、show ip route protocol ospfC、show route protocol ospfD、show ospf table
单选题What is a benefit of Internet protocol (IP) telephony?（）ASynchronizes password exchanges for call setupBEliminates the need for physical cabling in a TCP/IP networkCEnables two-way voice transmission over a packet-switched TCP/IP networkDCreates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network
单选题The Internet is a （）system of interconnected computer networks that use thestandard Internet protocol suite (TCP/IP) to serve several billion users worldwide.AglobalBregionalClocalDnational
多选题Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）ACall management softwareBMedia Convergence Servers (MCSs)CVoice gatewaysDIP telephones
单选题Internet Protocol version 6 （IPv6） is the next-generation Internet Layer protocol for packet-switched internetworks and the Internet. IPv6 router solicitation is（）AA request made by a node for the IP address of the local routerBA request made by a node to join a specified multicast groupCA request made by a node for a DHCP provided IP addressDA request made by a node for the IP address of the DHCP server
多选题Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）AIP telephonesBVoice gatewaysCCall management softwareDMedia Convergence Servers (MCSs)
单选题Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）AVoice gatewayBPrivate branch exchange (PBX)CAdvanced audio conferencing softwareDIP telephone