H12-811_V2.0 무료 덤프문제 온라인 액세스

Which of the following port states are included in Rapid Spanning Tree Protocol (RSTP)?

• A.Listening
• B.Discarding
• C.Learning
• D.Forwarding

UDP does not guarantee data transmission reliability and does not provide packet sorting and traffic control functions. It is suitable for the traffic that has low requirements for data transmission reliability, but high requirements for the transmission speed and delay.

• A.TRUE
• B.FALSE

On the network shown in the figure, the administrator creates Eth-Trunk 1 in manual mode on SW1 and SW2, and adds GE1/0/1 and GE1/0/2 on both switches to the Eth-Trunk. After the administrator runs the display interface brief command on SW1, the administrator finds that GE1/0/1 is Up and GE1/0/2 is Down. Which of the following statements is true about this scenario?

• A.Eth-Trunk 1 is Down because the states of member interfaces must be the same in manual mode.
• B.Eth-Trunk 1 is Up because it is Up as long as one member interface is Up.
• C.Eth-Trunk 1 is Down because it has only two member interfaces and the minimum number of active links is not reached after one member interface is Down.
• D.Eth-Trunk 1 is Down because all member interfaces of the Eth-Trunk must be Up.

When a Huawei network device functions as an FTP server, which of the following are possible causes of an FTP client failing to log in to the FTP server? (Select all that apply)

• A.The FTP server function is not enabled on the device.
• B.The FTP user name and password are not configured.
• C.The network between the device and the FTP client is unreachable.
• D.The authorized directory is not specified for FTP users.

Which of the following fields are included in an MPLS header?

• A.TTL
• B.Label
• C.EXP
• D.Tos