All About Download H12-811_V1.0 Free Exam

NEW QUESTION 1

What is the main function of the DHCP DISCOVER message? ()

• A. The server's confirmation response to the REQUEST message
• B. Used by the client to find the DHCP server
• C. The client requests configuration confirmation, or renews the lease
• D. The DHCP server is used to respond to the DHCP DISCOVER message, which carries various configuration information

Answer: B

NEW QUESTION 2

The router running the 0SPF protocol can reach the FULL state after completing the LSDB. synchronization. ()

• A. True
• B. False

Answer: A

NEW QUESTION 3

As shown in the figure below, the network. All switches enable the STP protocol. Disable SWA's G0/0/2 port to configure the BPDU sending function. SWC's G0/0/1 reconverges to become the root port. Which of the following statements is correct about this process? () (Multiple Choice Questions)

• A. SWB forwards TCN BPDU to SWA
• B. SWB sends configuration BPDU with TCA set to SWC
• C. SWC sends TCN BPDU to SWB
• D. SWA sends configuration BPDU with TC set

Answer: ABC

NEW QUESTION 4

What kind of message does the DHCP server use to confirm that the host can use the IP address? ()

• A. DHCP ACK
• B. DHCP OFFER
• C. DHCP REQUSET

Answer: C

NEW QUESTION 5

* 192.168.1.127 /25 represents () address ()

• A. broadcast
• B. Multicast
• C. The internet
• D. Host

Answer: A

NEW QUESTION 6

The output information of a router's routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)

• A. The outbound interface of this router to 10.0.0.1 is Ethernet0/0/1
• B. The outgoing interface of this router to 10.0.0.1 is Ethernet0/0/0
• C. The outgoing interface of this router to 10.0.2.2 is Ethernet0/0/0
• D. The outbound interface of this router to 10.0.2.2 is Ethernet0/0/1

Answer: BD

NEW QUESTION 7

After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()

• A. Upgrade software version
• B. Establish a CAPTAP tunnel
• C. Request configuration file

Answer: C

NEW QUESTION 8

What is the MAC address of the data link layer of each VAP on the AP? ()

• A. SSID
• B. BSS
• C. ESS
• D. BSSID

Answer: D

NEW QUESTION 9

When planning a campus network, which of the following methods can be used to divide service VLANs? ()

• A. VLAN by business
• B. Divide VLAN by logical area
• C. Divide VLAN into J by geographical area

Answer: B

NEW QUESTION 10

Regarding the configuration shown in the figure, which statement is correct? () (Single-choice question)

• A. history-command max-size20 is to adjust the size of the history named cache to 20
• B. The default size of the history command cache is 5 bytes
• C. After the above configuration is completed, the history command buffer can store 20 bytes of commands
• D. The default size of the history command cache is 5

Answer: A

NEW QUESTION 11

What is the protocol number corresponding to the ospf protocol at the network layer? ()

• A. 89
• B. 6
• C. 1

Answer: A

NEW QUESTION 12

Which of the following IPv4 addresses the host uses cannot directly access the Internet? ()

• A. 100.1.1.1
• B. 50.1.1.1
• C. 10.1.1.1
• D. 200.1.1.1

Answer: C

NEW QUESTION 13

The administrator cannot log in to the Huawei router through Telnet, but other administrators can log in normally, so which of the following are the possible reasons? ()*

• A. The authority level of the administrator user account has been modified to 0
• B. The administrator user account has been disabled
• C. The Te1net service of the AR2200 router has been disabled
• D. The administrator user account has been deleted

Answer: BD

NEW QUESTION 14

UDP has a sliding window mechanism to control the speed of data transmission

• A. True
• B. False

Answer: B

NEW QUESTION 15

"The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual interface of the VLAN. When using the command "display ip interface brief to view the port status, and found that the VLANIF10 interface is in the dow state, what should be done? Operation to restore the VLANIF10 interface to normal? ()

• A. Assign an interface that must be Up and must be of type Trunk into VLAN 10
• B. Assign any physical interface to VLAN10
• C. Assign a physical interface that must be Up to VLAN 10
• D. Use the command "undo shutdown" under the VLANIF10 interface

Answer: D

NEW QUESTION 16

In the broadcast network, OSPF runs on four routers in the same area and on the same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect ()

• A. True
• B. False

Answer: B

NEW QUESTION 17

In the network shown in the figure below, when the 0$PF neighbor status is stable. What is the neighbor status of Router B and Router C?

• A. 2-way
• B. Attempt
• C. Down

Answer: B

NEW QUESTION 18

The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host. ()

• A. True
• B. False

Answer: A

NEW QUESTION 19

An existing switch is connected to a designated port through a port, but the port does not forward any packets, but can monitor network changes by receiving BPDUs, then the role of the port should be ().

• A. Alternate port
• B. Disable port
• C. Root port

Answer: B

NEW QUESTION 20

The main function of the DNS protocol is ()

• A. file transfer
• B. Remote access
• C. Mail transfer

Answer: B

NEW QUESTION 21
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