H12-224-ENU 무료 덤프문제 온라인 액세스

What are three features of SDN network architecture?

• A.Centralized forwarding and control layers, centralized control, and open interfaces
• B.Separated forwarding and control layers, centralized control, and closed interfaces
• C.Separated forwarding and control layers, distributed control, and open interfaces
• D.Separated forwarding and control layers, centralized control, and open interfaces

To improve Internet egress reliability, an enterprise uses multiple links to connect to different carrier networks. This mode requires attention to both the incoming and outgoing traffic paths. Otherwise, network quality may be affected.

• A.FALSE
• B.TRUE

Which of the following statements regarding VRRP fast switchover are false? (Multiple Choice)

• A.When association between VRRP and the BFD or EEM session is enabled and the BFD or EEM session status changes, the change is notified to the VRRP module, implementing VRRP fast switchover.
• B.If VRRP is configured to monitor multiple BFD sessions, the associations may affect services.
• C.When the VRRP group is associated with a normal BFD session and the BFD session status changes, the priority of the VRRP group is changed to trigger the switchover. When the status of the monitored BFD session recovers, the priority of the router in the VRRP group is restored.
• D.A VRRP group cannot monitor the peer BFD session, link BFD session, and normal BFD session simultaneously.

RSTP provides multiple protection functions.
For example, when an edge port is configured to work in protection state, how does the edge port process the received BPDUs?

• A.The edge port is shut down.
• B.The edge port forwards BPDUs.
• C.The edge port discards BPDUS.
• D.The edge port parses BPDUs to obtain corresponding information.

Which of the following commands can enable IS-IS on an interface?

• A.route isis enable 100
• B.ip router isis 100
• C.isis enable 100
• D.router isis 100