The recommended equipment security reinforcement methods include _____ .

The user wants to design an H.323 network and requires unified and centralized control of all call rights.Which of the following components are necessary ?

xz company requires to build its network based on modular enterprise network architecture.Company Z has 1 R&D base in Shenzhen and Xi'an , and an office building in Beijing and Shanghai ; it has offices with more than 50 people in 23 capital cities ; it has small offices with no more than 8 people in 200 small and medium-sized cities .There are usually more than 200 market and technical personnel on business trips at any given time .Company Z strictly prohibits employees from using the company network to visit websites that are not related to work.According to these circumstances, the network module that Z company should have is ____ .

The following description does not belong to SSL handshake protocol layer function are ____ .

An employee of a company often travels on business.In order to facilitate access to company resources, which of the following L2TP access and authentication methods should he use____