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?（）
A.GLBP
B.RSTP
C.BPDU guard
D.root guard
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A. Disables the interfaces to prevent traffic flow
B. Clears all the configurations on the interface
C. Switches the port from access mode to trunk mode
D. Converts the port from physical Layer 2 port to physical Layer 3 port
A.9
B.3
C.12
D.6
A. using DHCP snooping
B. snooping the incoming 802.1Q VLAN tag
C. using CDP
D. snooping the CoS marking on the incoming frames
A. Route reflectors are not passing updates properly.
B. BGP synchronization has been enabled.
C. The next-hop address is unreachable.
D. No loopback interface has been configured on a router.
A. debug ip bgp updates
B. debug ip tcp events
C. debug ip bgp transactions
D. debug ip tcp transactions
最新試題
What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?（）
Which of the following is an easy-to-use tool that allows you to easily configure and monitor Cisco Integrated Services Routers?（）
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 Cisco IOS command is used to troubleshoot a problem in which a BGP session stays in the active state?（）
Which keyword is used with the show ip bgp neighbors [keyword] command to display all routes that are received and accepted from a neighbor?（）
Refer to the exhibit. You have a non-Cisco switch that is not communicating properly while connected to the distribution-layer Cisco switching fabric.Which two best-practice actions can you take to overcome this problem? （）(Choose two.)
Refer to the exhibit. For the given configuration, on packets leaving the router on interface FastEthernet0/0 that matches the high traffic class, what will the MPLS experimental bit be set to?（）
Refer to the exhibit. Which SSH sessions will the SSH server accept?（）
When a Cisco router is configured for SSH, it acts as an （）?
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?（）