H11-861_V2.0-ENU V1

When using the MCU wall riding mode, there is no need to add other devices for traversing the public and private networks.A . TRUE B. FALSEView AnswerAnswer: A

What is the reason for the call failure can be seen from the logs captured above?A . The callee is busy B. Insufficient call bandwidth C. Failed to negotiate capabilities D. The callee is offlineView AnswerAnswer: D

For the SDP protocol, line c contains information on the connection established for the multimedia session, which indicates the IP address used by the actual media stream.A . TRUE B. FALSEView AnswerAnswer: A

The basic functions of the firewall include: content filtering, user authentication, VPN, application proxy, NAT, packet filtering & state detection, IDs and alarms, logs, etc.A . TRUE B. FALSEView AnswerAnswer: A

Among the six basic request messages, () is used to query server capabilities.A . OPTIONS B. INVITE C. REGISTER D. ACKView AnswerAnswer: A

A SIP message consists of a start-line, a header consisting of one or more fields (riold), a blank line (CRLF) that marks the end of the header, and an optional message body (message boby) composition.A . TRUE B. FALSEView AnswerAnswer: A

In multimedia services, RTP is used for real-time data message transmission, and RTCP is used to detect the service quality of RTP sessions.A . TRUE B. FALSEView AnswerAnswer: A

The opening process of the logical channel in the H323 protocol follows the principle of "whoever transmits, whoever opens it".A . TRUE B. FALSEView AnswerAnswer: A

For the SDP protocol, line 0 contains parameters related to the session owner, where the first parameter indicates?A . Network Type B. Session identifier of the calling party C. Address Type D. The name of the session initiatorView AnswerAnswer: D

The design purpose of the terminal auxiliary IP is to allow users to log in the terminal to configure or debug in the local area network, which can be used for the main business.A . TRUE B. FALSEView AnswerAnswer: B