HCIA-Datacom V1.0 - H12-811 Exam Practice Test

Question 1

Which of the following protocols consist of the PPP agreement? ()*

A. NCP

B. LCP

C. Authentication protocol

D. PPPOE

Correct Answer: A,B,C

Question 2

Which of the following statements about the role of the STP protocol ForwarD.Delay is correct? ()

A. There is a delay in the transition between Blocking state and DsiableD state

B. Prevent temporary loops

C. Improve the survival time of BPDUs to ensure that the configured BPDUs can be forwarded to more switches

D. Reduce the time interval of BPDu transmission and improve the convergence speed of STP

Correct Answer: B

Question 3

Which of the following statements is correct for the ACL configured in the Telnet application? ()

A. The device with IP address 172.16.105.3 can use Telnet service

B. The device with P address 172.16.105.4 can use Telnet service

C. The device with P address 172.16.105.6 can use Telnet service

D. The device with IP address 172.16.105.5 can use Telnet service

Correct Answer: C

Question 4

The output information of a certain device is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)

A. The standby main control board of the device is operating normally

B. The device has been running for 1 minute

C. The VRP operating version of this device is CRP5

D. The device name is Huawei

Correct Answer: B,C,D

Question 5

The controller is the core component of SDN. The controller is connected to the device through the southbound interface. The following is missing from the controller southbound agreement? ()

A. NETCONF

B. SNMP

C. PCEP

D. OpenFlow

Correct Answer: B,D

Question 6

The mask length is 12 bits can be expressed as?

A. 255.255.255.0

B. 255.240.0.0

C. 255.255.0.0

D. 255.248.0.0

Correct Answer: B

Question 7

Which of the following port states is not included in the RSTP protocol? ()

A. Blocking

B. Discarding

C. Learning

D. Forwarding

Correct Answer: A

Question 8

The Backup port in RSTP can replace the failed root port ()

A. True

B. False

Correct Answer: B

Question 9

The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements about the CAPWAP protocol is correct? ()

A. CAPWAP is an application layer protocol based on TCP transmission

B. In order to establish a CAPWAP tunnel, the FIT Ap can only discover the AC through broadcast messages

C. The AP can encapsulate the user's data message in CAPWAP and hand it over to the AC.

D. In order to reduce the burden on the AP, CAPWAP uses a tunnel to simultaneously transmit control messages and data messages

Correct Answer: B

Huawei HCIA-Datacom V1.0 - H12-811 Exam Practice Test

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