HUAWEI H12-811_V1.0 Free Practice Questions

NEW QUESTION 1

In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops? ()

• A. VRRP
• B. ARP
• C. UDP
• D. STP

Answer: D

NEW QUESTION 2

Network switch A and router A are connected by two links. The two links are aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link needs to carry VLAN TAG100 when forwarding data. The switch When A uses a trunk link, which of the following configurations need to be used by switch A? ()

• A. 4
• B. 5
• C. 3

Answer: B

NEW QUESTION 3

What elements can NAPT convert? ()

• A. Only MA
• B. address
• C. IP address + port number
• D. MA
• E. Address + port number
• F. Only IP address

Answer: B

NEW QUESTION 4

The main function of the DNS protocol is ()

• A. file transfer
• B. Remote access
• C. Mail transfer

Answer: B

NEW QUESTION 5

Compared with STP, which of the following port roles are newly defined in RSTP? ()*

• A. Designated port
• B. Root port
• C. Alternate port
• D. Backup port

Answer: CD

NEW QUESTION 6

After the network administrator uses the Tracer tRoute function on the router device, in the data packet sent by the router, the value of the Protoco1 field in the IPv4 header is?

• A. 17
• B. 2
• C. 1
• D. 6

Answer: A

NEW QUESTION 7

Which of the following advantages does the single-arm routing method achieve routing intercommunication between Vlan? ()

• A. Reduce the number of equipment
• B. Reduce routing table entries
• C. Reduce the use of IP addresses
• D. Reduce the number of chain connections

Answer: D

NEW QUESTION 8

Which of the following statements about RA. and RS in IPv6 are correct? ()

• A. RS is used to reply address prefix information
• B. R
• C. Used to request address prefix information
• D. RS is used to request address prefix information
• E. R
• F. Used to reply address prefix information

Answer: CD

NEW QUESTION 9

Which of the following protocols does the RA. message used by IPv6 stateless autoconfiguration belong to? ()

• A. ICMPv6
• B. UDPv6
• C. TCPv6

Answer: B

NEW QUESTION 10

The network management workstation manages network devices through the SNMP protocol. When an abnormality occurs in the managed device, what kind of SHMP message will the network management workstation receive? ()

• A. trap message
• B. get-response message
• C. set-request message
• D. get-request message

Answer: A

NEW QUESTION 11

The management of users by NAS devices is based on domains. Each user belongs to a domain, and a domain is a group composed of users belonging to the same domain. ()

• A. True
• B. False

Answer: A

NEW QUESTION 12

As shown in the figure below. All hosts can communicate normally. Is the corresponding relationship between SWA MAC address and port correct? () (Single-choice question)

• A. MAC-A GO/0/1 MAC-B G0/0/2 MAC-C G0/0/1
• B. MAC-A G0/0/2 MAC-B GO/0/2 MAC-C GO/0/3
• C. MAC-A GO/0/1 MAC-B GO/0/1 MAC-C GO/0/3
• D. MAC-A GO/0/1 MAC-B GO/0/2 MAC-C GO/0/3

Answer: D

NEW QUESTION 13

When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()

• A. Binary mode
• B. Byte mode
• C. Text mode
• D. Stream byte mode

Answer: A

NEW QUESTION 14

In the VRP system, what function does the Ctrl+Z key combination have? ()

• A. Return to user view from any view
• B. Return from system view to user view
• C. Exit interface view
• D. Exit the current view
• E. Exit the console interface view

Answer: A

NEW QUESTION 15

Which of the following descriptions of wireless devices is correct? ()

• A. FIT AP-Generally complete user access, authentication, service forwarding and other functions independently
• B. The wireless controller AC is generally located at the convergence layer of the entire network, providing high-speed, safe and reliable VLAN services
• C. FAT AP generally works with wireless controller

Answer: C

NEW QUESTION 16

In the RSTP standard, in order to improve the convergence speed, the port that the switch is directly connected to the terminal can be defined as ()

• A. Edge port
• B. Root port
• C. Fast port
• D. Backup port

Answer: A

NEW QUESTION 17

Which of the following parameters is not included in the configuration BPDU of the STP protocol? ()

• A. VLAN ID
• B. Bridge ID
• C. Root ID

Answer: B

NEW QUESTION 18
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