What is a method by which an IP

第1题：

第2题：

What language skills are emphasized by the Direct Method?
Conversational skills are emphasized, though the teaching of all four skills is considered important. Reading and writing exercises should be based upon what the students have practiced orally first. Pronunciation is paid attention to from the beginning.
略

第3题：

第4题：

What is meant by the term "firewall sandwich"？（）

• A、multiple layers of firewalling
• B、a method of operating firewalls from multiple vendors
• C、firewall connections in either an active or standby state
• D、an architecture in which all traffic between firewalls goes through application-specific servers
• E、an architecture in which all traffic between firewalls goes through application-specific gateways

第5题：

What are three methods that may be use d to allow a switch to determine which ports to forward IP multicast messages to?（）

• A、IGMP
• B、IGMP snooping
• C、PIM
• D、CGMP
• E、static assignment
• F、CDP

第6题：

第7题：

What are the elements with which a method is concerned?
There are six elements：
1.the nature of language；
2.the nature of language learning；
3.goals and objectives inteaching；
4.the type of syllabus to use；
5.the role of teachers，and instructional materials；
6.the techniques and procedures to use.
略

第8题：

第9题：

Which information is contained in a AAA authentication method list?（）

• A、A pointer to the address where a RADIUS server can be located
• B、A sequential list of user authentication methods
• C、A description of what a user can execute on a router
• D、The setup for the authentication phase on a router

第10题：

An administrator is concerned about users utilizing the company's wireless signal with their personal laptops. Which of the following is the BEST method to use to prevent unauthorized devices from using the company's wireless network?（）

• A、Secure VPN
• B、MAC filtering
• C、IP filtering
• D、Static IP addresses