Question No. 1

The cross-channel aggregates the data flow and the stacked device chains to implement the transmitter replacement, but because of the limited cable bandwidth between the stacked devices,

Which of the following ways to improve efficiency over forwarding?

APass stack card Connect stack connected device

BEnable stacking multi-master function Check

CConfigure stacking system MAC address switching

DEnable traffic local first priority

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Correct Answer: D

Question No. 2

The following descriptions about the PPP CHAP ?( ) protocol authentication function are correct.

AIf the party does not have a username authentication account, the endpoint interface may not be configured with a password.

BUse sequence authentication ID. MD5 Hash random number and secret key algorithm to calculate a value

CIt requires three texts to report authentication, and only send the name on the network instead of sending the password.

DCHAP authentication authentication must be configured under the user interface

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Correct Answer: B, C, D

Question No. 3

Now there is a phone running RSTP. If the network topology changes, then the second table that is learned by the carrier will have what to change Turn?

AAll tables are deleted

BOnly the table related to the port that received the message will be deleted.

CExcept for the table related to the port, the edge item is deleted, and other tables are deleted.

DIf the aging time is set to 15 seconds, then the super aging entries will be deleted.

EExcept for the table related to the port and the table related to the port that receives the edge item TC message, the other items are deleted.

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Correct Answer: E

Question No. 4

The following is about the correct change of the MUX VLAN in Huawei.

AUnder the same one, you can mix and use VLAN MUX VLAN Super VLAN

BMUX VLAN Principal VLAN Subor is divided into and divided into dinate VLANs, Subordinate VLAN S is separate VLAN and Isolate VLAN

CEach can be bound to multiple Separate VLAN Principal VLANs

DPrincipal Port MUX VLAN can communicate with all interfaces inside

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Correct Answer: D

Question No. 5

When a deployed LAN line goes wrong with a Huawei device, there are a large number of unknown sources in your LAN that discover the broadcast frame of the MAC address. a lot of unknown

The source address broadcast will pay MAC single frame. What is the biggest harm to the change?

AConsume available bandwidth

BIncrease the power consumption of the source

COccupied memory slow frame

DThe available MAC address entries in the consumption system

EOccupation table TCAM item

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Correct Answer: D

Free Huawei H12-261 Exam Actual Questions

The questions for H12-261 were last updated On Apr 29, 2024