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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?

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Question No 2

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

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

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

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

CHAP authentication authentication must be configured under the user interface

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?

Choose the Choices:

All tables are deleted

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

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

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

Except 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. Answer: E

Question No 4

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

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

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

Each can be bound to multiple Separate VLAN Principal VLANs

Principal Port MUX VLAN can communicate with all interfaces inside

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?

Choose the Choices:

Consume available bandwidth

Increase the power consumption of the source

Occupied memory slow frame

The available MAC address entries in the consumption system

Occupation table TCAM item

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