Huawei Routing & Switching H12-261 Questions & Answers

• Question 41:

  On a LAN running STP (802.1D), which of the following parameters will not be received by a non-root switch from the root switch?

  A. Forward delay

  B. Hold time

  C. MaxAge

  D. Hello time

  E. Root Path cost

  Correct Answer: B

• Question 42:

  When a router receives an LSP on a broadcast network or a P2P network enabled with IS-IS, the router needs to send a PSNP to ensure LSDB synchronization.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 43:

  Which of the following configurations can be used to prevent users from connecting a hub to an access port on a switch allowing multiple device to access the network?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 44:

  The precedence field in VLAN (802.1Q) data encapsulation has six bits.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 45:

  On a switch with factory default settings, its MAC address table is empty. Host A connected to the switch sends the first unicast data frame. What operation will the switch perform after receiving the data frame?

  A. The switch discards the data frame

  B. The switch records the source MAC address of the data frame and floods the data frame out of all interfaces except the one it received the frame

  C. The switch buffers the data frame and forwards the data frame after the destination host sends a data frame

  D. The switch forwards the data frame out through an interface based on the destination MAC address of the data frame

  Correct Answer: B

• Question 46:

  In a BGP EVPN distributed gateway scenario, which of the following packet types is required to implement VM migration?

  A. Type 1

  B. Type 2

  C. Type 3

  D. Type 5

  E. Type 4

  Correct Answer: B

  Reference: https://support.huawei.com/enterprise/my/doc/EDOC1000180270/5d103d4d/configuring-vxlanin-distributed-gateway-mode-using-bgp-evpn

• Question 47:

  A new office needs to use a router as the DHCP server. Which of the following items need to be configured when the DHCP server is configured to provide the DHCP service for the office?

  A. Manually binding a specified IP address to a specified terminal

  B. Timeout period of a ping packet

  C. Excluding idle IP addresses from the DHCP server

  D. Startup file of the DHCP server

  E. DHCP address pool

  Correct Answer: E

• Question 48:

  Which of the following statements regarding VRRP is true?

  A. Both VRRPv2 and VRRPv3 support authentication

  B. VRRPv3 does not support authentication, whereas VRRPv2 supports authentication

  C. The VRRP priority of the master IP address owner is 255. Therefore, the priority can be a value in the range from 0 to 254.

  D. VRRPv2 only applies to an IPv4 network, and VRRPv3 applies only to an IPv6 network

  Correct Answer: BCD

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000178318/6e22bde4/vrrpv2-and-vrrpv3advertisement-packets

• Question 49:

  A family user has subscribed to a bandwidth of 10 Mbit/s. To improve user experience, the carrier ensures a rate of 12 Mbit/s during tests. If token bucket technology is used to cope with this requirement, which of the following methods is optimal?

  A. cir 10000 cbs 12000 pbs 12000

  B. cir 8000 pir 12000

  C. cir 10000 pir 12000 D. cir 10000 cbs 10000 pbs 12000

  Correct Answer: D

• Question 50:

  Which of the following statements regarding 802.1X authentication, RADIUS authentication, and HWTACACS authentication are true?

  A. A user cannot be authenticated by both RADIUS authentication and 802.1X authentication.

  B. A user cannot be authenticated by both RADIUS authentication and HWTACACS authentication.

  C. A user can be authenticated by both RADIUS authentication and HWTACACS authentication. This is more secure than using just one authentication method.

  D. Users can access a network through 802.1X authentication, and can be authenticated through RADIUS authentication.

  Correct Answer: B