The main role of the 317.H.245 protocol is ( ).

Under static NAT networking, the SRC address of the terminal under the private network changes to ().

A CANCEL transaction can only be received after receiving an ad hoc response from INVITE (including 100 ). The final response is sent before. ( )

The protocol can be used for public-private network traversal of devices that support the H.323 protocol. (Please fill in the type of agreement).

Huawei VUE Exam Instructions: 1 The exam randomly draws 60 questions, with a score of 1000, and can be passed by 600;2 After the question bank is all mastered, you can make an appointment for the exam, and the day before the exam, you can make an appointment at the nearest test center; 3. The test question types are single choice and multiple choice, judgment, fill in the blanks, drag charts, and the questions will not tell single choice or multiple choice

You can tell by the options: the radio option is preceded by " Circle " , the multi-select option is preceded by " Box " ; 4 Exam questions and options are randomly out of order; 5 Documents: ID Card + (Student ID Work Card Credit Card Social Security Card Passport) One of the two documents in total 6. Arrive at the test room 10 minutes in advance (if you encounter special circumstances, you can contact the test room if you are late).

ZTE VUE Exam Instructions:

1. The exam randomly selects 60 questions, with a full score of 100 points, and can be passed by the exam 60 points; (some exams pass 80 points: for example, ZTE service specifications) 2 The question bank is all palmed

After holding the exam, you can make an appointment for the nearest test center the day before the exam; 3. The test question types are single choice, judgment, and multiple choice, each with 20 questions; 4 The order of the exam questions is single choice, multiple choice, judgment; the options are randomly out of order; 5 ID: ID 6 Arrive at the test room 10 minutes early (if you are late in case of special circumstances, you can contact the test room).

Which of the following RSE6500 ether ports is the one that provides recording and broadcasting services?

The types of terminal faults can be summarized as: local AV faults, remote AV faults, and call and conference control problems.

Color temperature is the most common indicator of the spectral quality of a light source in Lux (1x).

Non-T.140 subtitles only support sending and receiving subtitles from H.323 type terminals.

Extended request message UPDATE , which is used to modify session properties during the call setup phase. ( )

On the terminal web page, you can set parameters for subtitles, which include banners, middle captions, and instant messages. Banners and middle captions can be displayed separately or at the same

time; Instant messages can be sent to peer-to-peer private chat, broadcast and sent, or sent at a designated venue.

Fe and GEO, GE1 IP addresses can not be in the same network segment, otherwise it will cause network failure, at this time the front panel ALM light is always on. ( )