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?（）

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

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:（）

Which command is used to view IPv6 parameters related to the BGP process?（）

Refer to the exhibit. Analyze the two traceroutes that are displayed. Which of these statements is correct in describing what most likely caused the traceroute differences?（）

In a high-availability network, which command, when placed on ports that have connected end stations, will allow you to prevent delays in service for end stations by placing a port in blocking mode?（）

As an experienced technician, you are responsible for Technical Support in your company. One of the trainees is asking you which Cisco VPN Acceleration Module for Cisco 7200 Series routers and the Cisco 7301 provides high-performance encryption/compression and supports the latest encryption standard.Which of the following will answer his question?（）

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?（）

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

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