You have decided to establish a VoIP system in your home. Which of the following devices enable multiple media gateways to communicate? Real-time Transport Protocol (RTP) resides at: Which of the following performs translation between the PSTN's signaling protocols and H.323 on your network? Suppose your organization's PSTN and VoIP systems are integrated, and that your VoIP system adheres to architecture specified in H.323. When VoIP relies on the Internet, it is often called _. IPTV, videoconferencing, streaming video, and IP multicasting belong to the range of services known as _. Which of the following protocols is generating segments at the Transport layer of this transmission? You are using Skype to initiate a video call with a friend in another state. _ messaging is a service that makes several forms of communication available from a single user interface.Īt what layer of the OSI model does RTP operate? When more than two people participate in a videoconference, for example, in a point-to-point or multipoint-to-multipoint scenario, a video _ is required. Which of the following tools can be used to examine the contents of network traffic? Which of the following are used for managing VoIP sessions? (Select 2) Which of the following are used to implement Voice over IP (VoIP)? (Select all that apply) Which of the following protocols would be used by a video bridge to invite a video phone to join a videoconference?Ī computer programmed to act like an IP telephone is known as a(n) _. _ is preferred over TCP for real-time applications such as telephone conversations and videoconferencing. _ is a measure of how well a network service matches its expected performance. Session Initiation Protocol (SIP) is a part of:Ī company's use of VoIP on its WAN to avoid long distance telephone charges is known as: Assign sequence numbers to each packet in a transmission Issue timestamps for every transmissionĭ.
Modify each IP datagram to assign a priority levelĬ. Report on the degree of packet loss and delay in a connectionī. On a VoIP network that uses the DiffServ QoS technique, which of the following makes certain that a router forwards packets within a given time period?Ī(n) _ is a computer that manages multiple media gateways.Ī. Using VoIP overa WAN allows an organization to avoid paying long-distance telephone charges, a benefit known as _. Which of the following is the most popular signaling protocol used on traditional, circuit-switched PSTN connections?
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