H12-811_V1.0 | All About Highest Quality H12-811_V1.0 Test Question

NEW QUESTION 1

Which of the following IE802.11 standards only supports the 24GHz frequency band for communication? ()

• A. 802.11g
• B. 802.11ax
• C. 802.11a

Answer: B

NEW QUESTION 2

When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()

• A. Binary mode
• B. Byte mode
• C. Text mode
• D. Stream byte mode

Answer: A

NEW QUESTION 3

UDP cannot guarantee the reliability of data transmission, and does not provide the functions of message sequencing and flow control. It is suitable for flows with low transmission reliability requirements but high transmission speed and delay requirements. ()

• A. True
• B. False

Answer: A

NEW QUESTION 4

Which of the following networks belong to a local area network? ()

• A. A home network
• B. A company office network
• C. Internet
• D. Broadband Metropolitan Area Network

Answer: AB

NEW QUESTION 5

Which of the following statements about the S field in the MPLS packet header are correct? ()*

• A. The s bit has only ibit in frame mode, and 2bit in cell mode
• B. The s bit exists in every MPLS packet header
• C. Used to mark whether there are other labels behind this label, 1 means yes, 0 means no
• D. Used to mark whether there are other labels behind this label, 0 means yes, 1 means no

Answer: BD

NEW QUESTION 6

The tree network topology is actually a hierarchical star structure, which is easy to expand the network scale, but the higher the level, the more serious the network problem caused by the node failure ()

• A. True
• B. False

Answer: A

NEW QUESTION 7

The following description of the Router ID of OSPF is incorrect ().*

• A. Router I
• B. Must be the IP address of an interface on the router
• C. The prerequisite for the normal operation of the OSPF protocol is that the router has a Router ID
• D. The Router ID must be specified by manual configuration
• E. The Router ID in the same area must be the same, and the Router ID in different areas can be different

Answer: ABCD

NEW QUESTION 8

The number of VLANs that can be created using the commands "vlan batch1020 and "vlan batch10to20" respectively is ()

• A. 11 and 11
• B. 11 and 2
• C. 2 and 2
• D. 2 and 11

Answer: D

NEW QUESTION 9

If the Length of an Ethernet data frame/Type = 0x8100, which of the following statements is correct? ()

• A. There must be an IP header in the upper layer of this data frame
• B. This data frame must carry VLAN TAG
• C. There must be a UDP header in the upper layer of this data frame
• D. There must be a TCP header in the upper layer of this data frame

Answer: B

NEW QUESTION 10

Which of the following is not included in AAA? ()

• A. Audit
• B. Authentication
• C. Authorization
• D. Accounting)

Answer: A

NEW QUESTION 11

What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? ()*

• A. Heavy workload and difficult to manage
• B. can be realized IP address reuse
• C. avoid IP address conflict
• D. When the configuration information changes (such as DNS), only the administrator needs to modify it on the DHCP server, which is convenient for unified management

Answer: BC

NEW QUESTION 12

Which of the following messages does the AP use to request the software version from AC.? ()

• A. VRP System Request
• B. Software Request
• C. Image DatA.Request
• D. Image package Request

Answer: C

NEW QUESTION 13

Now you need to implement a Python automation script Telnet to the device to view the running configuration of the device. What is wrong with the following statement? ()

• A. Telnetli
• B. can achieve this function.
• C. Use telnet.Telnet (host) to connect to the Telnet server.
• D. You can use telnet.write (b\) to input the command to view the current configuration of the device.
• E. Telnet.close() is used every time a command is entered, and the function is that the user waits for the switch to return informatio
• F. ·

Answer: D

NEW QUESTION 14

The following description of the Forwarding status in the spanning tree protocol is wrong (). ()*

• A. Ports in the Forwarding state can forward data packets
• B. The port in the Forwarding state does not learn the source MAC address of the packet.
• C. Ports in the Forwarding state can receive BPDU packets
• D. Ports in the Forwarding state must send BPDU message

Answer: BD

NEW QUESTION 15

When the Access type port sends a message, it will ().

• A. Add the VLAN information of the message, and then send it out
• B. Send tagged messages
• C. Strip the VLAN information of the message, and then send it out
• D. Type the PVI
• E. information of this port, and then send it out

Answer: C

NEW QUESTION 16
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