Practice Huawei H12-811_V2.0 Exam Questions

The undo command can be used in the CLI of a Huawei device to restore default settings, disable functions, or delete configurations. Which of the following are correct undo commands? (Select all that apply)

A. <HUAWEI> system - view [HUAWEI] undo system - view <HUAWEI>

B. [HUAWEI] interface GE 1/0/1 [HUAWEI - GE1/0/1] ip address 10.12.1.1 24 [HUAWEI - GE1/0/1] undo ip address

C. [HUAWEI] interface GE 1/0/1 [HUAWEI - GE1/0/1] undo portswitch [HUAWEI - GE1/0/1]

D. [HUAWEI] sysname TEST [TEST] undo sysname [HUAWEI]

In the figure, a web client sends an HTTP request to a web server, and the router in between performs operations on the HTTP request. Which of the following statements are false about the router’s operations? (Select all that apply)

 

You can enter a question mark (?) in the CLI of a Huawei switch to obtain online help. Which of the following statements is true about the meaning of <cr> in the output of the command sysname SW1? [HUAWEI] sysname SW1? <cr>

The essence of communication is the transmission and exchange of information between two or more points. The three elements of communication are the sender, content, and transmission channel of the information. The receiver of the information is not included among these elements.

In TCP/IP - based end - to - end communication, only the source and destination hosts process the header information added at the transport layer. Routers along the path will definitely not process this information.