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Huawei HCIA-Datacom V1.0 Sample Questions:

1. Regarding the configuration shown in the picture, which statement is correct?
<Huawei>system-view
[Huawei] user-interface console 0
[Huavei-ui-console0] history-command max-size 20

A) The default size of the historical command cache is 5
B) After the above configuration is completed, the historical command cache can save 20 bytes of commands
C) The default size of the historical command cache is 5 bytes
D) history-command max-size 20 is to adjust the size of the history naming cache to 20

2. As shown in the figure, when the switch needs to forward the frame whose destination mac address is 5489-98ec-f011, which of the following descriptions is correct?

A) The switch will send a destination unreachable message to the source device
B) The switch needs to send a request to discover the device with the mac address 5489-98ec-f011
C) The switch will flood the frame on all ports except the port that received the frame
D) The switch does not find a matching entry in the mac address table, so it will drop the frame

3. The dynamic IP address assigned by the DHCP server to the client.
Usually there is a certain lease period, which of the following description about the lease period is wrong?

A) The rebinding timer is 87.5% of the total lease period
B) During the lease period, if the client receives a DHCP NAK message, the client will immediately stop using this IP address, return to the initialization state, and re-apply for a new IP address
C) The lease renewal timer is 50% of the total lease period. When the "lease renewal timer" expires, the DHCP client must update the IP address
D) If the "rebinding timer" expires but the client has not received a response from the server, it will keep sending a DHCP REQUEST message to the DHCP server that has previously assigned an IP address until the total lease period expires

4. Firewall interfaces have which of the following working modes? (Multiple choice)

A) Transparent mode
B) Routing pattern
C) Transmission mode
D) Exchange Mode

5. At what ratio does the DHCP client send the lease renewal message for the first time when the lease period reaches?

A) 0.5
B) 0.875
C) 1
D) 0.25

Solutions: