Huawei Huawei Certifications H12-811 Questions & Answers

• Question 731:

  During STP calculation, the port cost is associated with the port bandwidth by default. Which of the following statements about the relationship between port cost and port bandwidth is true?

  A. A higher port bandwidth indicates a smaller port cost.

  B. A higher port bandwidth indicates a larger port cost.

  C. The port bandwidth is equal to the port cost.

  D. The port cost varies randomly according to port bandwidth.

  Correct Answer: A

• Question 732:

  If Proto of a route displayed in the routing table is OSPF, the preference of the route must be 10.

  A. True

  B. False

  Correct Answer: B

• Question 733:

  Which of the following protocols is not a file transfer protocol?

  A. FTP

  B. TFTP

  C. SFTP

  D. HTTP packet

  Correct Answer: D

• Question 734:

  When a switch port receives a frame that does not carry a VLAN tag, it must add a PVID to the frame.

  A. True

  B. False

  Correct Answer: B

• Question 735:

  Which of the following advantages is/are inter-VLAN route interworking in one-arm routing mode?

  A. Reduced the number of links

  B. Reduced the use of IP addresses

  C. Reduced the number of devices

  D. Reduced the number of entries in the routing table

  Correct Answer: A

  One of the advantages of one-arm routing mode is that it reduces the number of links required for inter-VLAN routing, as only one link is needed between the router or Layer 3 switch and the switch

• Question 736:

  Trunk interfaces can send both tagged and untagged frames.

  A. True

  B. False

  Correct Answer: A

• Question 737:

  IEEE 802.11ac supports only the 5 GHz frequency band.

  A. True

  B. False

  Correct Answer: A

  IEEE 802.11ac uses only the 5 GHz frequency band, unlike IEEE 802.11n which operates in both the 2.4 and 5 GHz bands

• Question 738:

  Which of the following protocols can be used to prevent loops on a Layer 2 network with redundant links?

  A. VRRP

  B. STP

  C. ARP

  D. UDP

  Correct Answer: B

• Question 739:

  According to the VTY user interface configuration shown in the following figure, the user level is set to 3. [Huawei]user-interface vty 0 14 [Huawei-ui-vty0-14]acl 2000 inbound [Huawei-ui-vty0-14]user privilege level 3 [Huawei-ui-vty0-14]authentication-node password

  Please configure the login password (maximum length 16): huawei

  A. True

  B. False

  Correct Answer: A

  According to the VTY user interface configuration shown in the figure, the user level is set to 3. The command user privilege level 3 specifies the user level for login users on the VTY user interface. The user level ranges from 0 to 15, with a higher value indicating a higher level and more rights. The default user level is 0.

• Question 740:

  Which of the following packets are OSPF packets?

  A. HELLO

  B. LSR

  C. LSU

  D. LSA

  Correct Answer: ABC

  A B and C are correct answers. HELLO: Used to discover and maintain neighbor relationships. HELLO packets are sent periodically to each interface enabled for OSPF3. Link-State Request (LSR): Used to request more information about LSAs that are not known or are more recent. LSR packets are sent after receiving DBD packets3. Link-State Update (LSU): Used to send requested LSAs or to flood new or updated LSAs. LSU packets contain one or more LSAs and are acknowledged by Link-State Acknowledgment packets3