Which aspects of IP telephony does H.323 handle?
What will be an ideal response?
The H.323 standard consists of a set of protocols that work together to handle all aspects of
telephone communication, such as:
? Handles all aspects of a digital telephone call
? Includes signaling to set up and manage the call
? Allows the transmission of video and data while a call is in progress
? Sends binary messages that are defined by ASN.1 and encoded using Basic Encoding Rules
(BER)
? Incorporates protocols for security
? Uses a special hardware unit known as a Multipoint Control Unit to support conference calls
? Defines servers to handle tasks such as address resolution , authentication, authorization,
accounting, and features, such as call forwarding
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Which of the following is true for a correct producer/consumer relationship with one producer, one consumer, and a 5-cell buffer?
a. The producer can produce when all cells are full. b. The consumer can consume when all cells are full. c. The consumer can consume when all cells are empty. d. None of the above.
A compound document is a document that combines elements from _______ vocabularies.
Fill in the blank(s) with the appropriate word(s).
How many times will this loop execute?
``` for ( int i = 1 ; i <= 1 0 ; i++) System.out.println ( i ) ; ```
Because of Twitter's public nature, you need to be ________ about the type of information you post to Twitter
Fill in the blank(s) with correct word