H12-811_V1.0-ENU V1

A network engineer prompts the following information when entering the command line: Error: Unrecognized command found at '^' position. Which statement is correct about this prompt message?A . The input command is incomplete B. The parameter type is wrong C. The input command is ambiguous D. Keyword not foundView AnswerAnswer:...

Which of the following OSPF protocol packets can ensure the reliability of LSA update?A . DD B.LSR C. LSU D. LSACKView AnswerAnswer: D

What is the main function of the DNS protocol?A . File Transfer B. Remote access C. Domain name resolution D. Mail transferView AnswerAnswer: C

A router running the OSPF protocol can only reach the FULL state after completing LSDB synchronization.A . True B. FalseView AnswerAnswer: A

The network administrator configures the Huawei router RTA as shown in the figure. If a user needs to be authenticated in the authentication domain "huawei", which of the following descriptions is correct? [RTA] aaa [RTA-aaa] domain huawei [RTA-aaa-domain huawei] authentication-scheme au1 [RTA-aaa domain-huawei] authentication-scheme au2A . will use "authentication-scheme au1"...

The MAC address of the existing switch is shown in the figure, which of the following statements is correct? A . When the switch restarts, the MAC address learned by port Eth0/0/2 does not need to be relearned B. The data frame with source MAC address 5489-9885-18a8 and destination MAC...

Which statement about the transport layer protocol is correct? (Multiple choice)A . The establishment of a TCP connection is a three-way handshake process, while the termination of a TCP connection requires a four-way handshake B. UDP uses the SYN and ACK flags to request and confirm connection establishment C. Well-known...

The function of telnet.read_very_eager in Telnetlib is to read data non-blockingly. Usually needs to be used together with the time module.A . True B. FalseView AnswerAnswer: A

According to the command output shown in the figure, which of the following descriptions is correct? (Multiple choice) A . GigabitEthernet0/0/1 allows VLAN1 to pass through B. GigabitEthernet0/0/1 does not allow VLAN1 to pass through C. If you want to change GigabitEthernet0/0/1 into an Access port, you first need to...

Which of the following message types does DHCP contain? (Multiple choice)A . DHCP OFFER B. DHCP REQUEST C. DHCP ROLLOVER D. DHCP DISCOVERView AnswerAnswer: ABD