As a network administrator, you issue the interface auto qos voip cisco-phone command on a port in an edge network. It is possible for a Cisco Catalyst switch to check if a Cisco IP Phone is directly attached to that port by:（）

On the Catalyst 6500 Series switch, which command is used to establish a console connection to the Firewall Services Module?（）

Which description is making sense on the basis of the given information?（）

Which keyword is used with the show ip bgp neighbors [keyword] command to display all routes that are received and accepted from a neighbor?（）

You are trying to initiate an SSH connection to a remote router and are getting rejected with an error code of 0. Which of these might be the cause of the error?（）

Which of the following is an easy-to-use tool that allows you to easily configure and monitor Cisco Integrated Services Routers?（）

Which keyword is used with the debug ipv6 [keyword] command to troubleshoot neighbor discovery problems?（）

What are four advantages to using tunnel brokers in an IPv6 transition environment?（）

You are an experienced network administrator in an international corporation. One of your clients asks you to configure a network for a financial trading center which requires multiple high-value transactions.And the transactions are very important to the client. In such a situation, which two of the following are basic and most important requirements concerning the configuration? （）(Choose two.)

Which three of these items are IPv6 transition mechanisms? （）(Choose three.)