In a RSTP implementation, which of the following two link types are used? （）(Choose two.)

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?（）

When a Cisco router is configured for SSH, it acts as an （）?

Referring to the partial Cisco Catalyst switch configuration shown, which two of these statements are correct? （）(Choose two.)

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

Which command displays only those entries in a BGP table with specific AS_PATH attributes?（）

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

As an experienced network engineer, you are asked to troubleshoot a CIS network outage. During the troubleshooting process, you notice that one of your colleagues connects additional devices to the network with the use of his own switch. With the purpose of improving speed, the switch is attached to both network ports in an office, which leads to bridge loop.Enabling which of the following feature will be able to prevent this problem from happening again?（）

You are an experienced network administrator in an international corporation. During your working hours, you are asked to deploy the Cisco SSL VPN AIM module in a Cisco 1800 Series Router. The beneficial reason for that deployment is to:（）

Which of the following allows network administrators to easily apply common services and employ features across Cisco switches, routers, and access points with an intuitive GUI?（）