100% Pass Top-selling H12-811-ENU Exams - New 2024 Huawei Pratice Exam [Q421-Q441] : IT certification exam materials : http://blog.dumpleader.com

NEW QUESTION 421
Three Layer 2 switches are interconnected with one HUB. The switches are all enabled with STP bridge ID. Refer to the figure below. What are the default errors of other configurations? () (Single-choice question)

SWA is the root bridge in the simple network

The two ports on SWA are designated ports and are in the forwarding state

G0/0/2 of SWA is blocked

G0/0/1 of SWC is alternative. It is in blocking state

NEW QUESTION 422
If the broadcast address of a network is 172.16.1.255, what might its network address be?

172.16.2.0

172.16.1.128

172.16.1.1

172.16.1.253

NEW QUESTION 423
To query the configuration information of the device’s OSPF protocol, which of the following commands can be used? (Multiple Choice)

display ospf peer

Enter the command “display this” in the OSPF protocol view

display current-configuration

dis ip routing-table

NEW QUESTION 424
About the above configuration command is correct ()

Modify the user’s authority level to 3. And save the configuration

Modify the limit level of the save command used by a user to 3

Modify the permission level of the user view command to 3, and save the matching sinus

Modify the permission level of the save command in the user view to 3

NEW QUESTION 425
Which of the following statements are correct for the MAC address of the existing switch? ()

MAC. The address 5489-9885-18a8 is manually configured by the administrator

MAC. The address 5489-9811-0b49 is manually configured by the administrator

MAC. Address 5489-989d-1d30 is manually configured by the administrator

After the switch restarts, all MAC addresses need to be re-learned

NEW QUESTION 426
The following description of the Layer 2 Ethernet switch is incorrect ().

Need to make certain modifications to the layer 3 header of the forwarded message, and then forward it

Able to learn MAC. Address

Forward according to the Layer 2 header information of the Ethernet frame

Layer 2 Ethernet switch works at the data link layer

NEW QUESTION 427
Regarding the control plane of the device, which of the following statements is correct? (Multiple choice)

The control plane is responsible for the interaction of routing protocols between devices

The control plane provides equipment monitoring capabilities

The control plane is responsible for directing data forwarding

The control plane is responsible for generating the IP routing table

NEW QUESTION 428
If the network address of a network is 10.1.1.0/30, what is its broadcast address?

10.1.1.2

10.1.1.3

10.1.1.4

10.1.1.1

NEW QUESTION 429
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 ().

DesignateD. port

Alternate port

Disable port

Root port

NEW QUESTION 430
If the Length/Type of an Ethernet data frame is 0x8100. Which of the following statements is correct?

There is always a UDP header in the upper layer of each data frame

The upper layer of a data frame must exist IP header

There is always a TCP header in the upper layer of each data frame

Each data frame must carry VLAN TAG

NEW QUESTION 431
A company applies for a C. IP address segment, which needs to be evenly distributed to 8 subsidiaries. The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments, so the subnet mask should be set. for()

255.255.255.192

255.255.255.240

255.255.255.0

255.255.255.128

NEW QUESTION 432
The information shown in the figure is the port status information displayed on a switch running STP. According to this information, what is wrong in the following description? () (Single-choice question)

This switch is the root switch in the network

The priority of this switch is 0

This network may only contain this switch

This switch may be connected to 6 other switches

NEW QUESTION 433
NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets.

True

False

NEW QUESTION 434
The route entry 10.0.0.24/29 may be aggregated from which of the following subnet routes? ()*

10.0.0.23/30

10.0.0.28/30

10.0.0.26/30

10.0.0.24/30

NEW QUESTION 435
What is the first operation performed by the FIT AP after obtaining the AC’s IP address?

Upgrade software version

Download the configuration file

Establish CAPWAP tunnel

Request configuration file

NEW QUESTION 436
As shown in the figure, all four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will it take for the blocked port in the network to enter the forwarding state?

about 3 seconds

about 50 seconds

about 30 seconds

about 15 seconds

NEW QUESTION 437
Which of the following statements about VLANIF interfaces are correct? ()

The VANIF interface does not need to learn MAC addresses.

The VLANTF interface does not have a MAC address.

Different VLANIF interfaces can use the same IP address

The VLANIF interface is a Layer 3 interface

NEW QUESTION 438
In the network shown in the figure below, the bridge ID of the switch has been marked. Enter the command stp root secondary on the SWD switch, and which of the following switch will become the root bridge of this network?

SWC

SWA

SWB

SWD

NEW QUESTION 439
If it is UDP, the value of the protocol field of the network layer is 6 ()

True

False

NEW QUESTION 440
As shown in the figure, two switches use the default parameters to run STP root primary; Switch B uses the configuration command STP priority 0. Then which port will be blocked? () (Single- choice question)

G0/0/3 of HUB

G0/0/2 of switch A

G0/0/1 of switch A

G0/0/1 of switch B

NEW QUESTION 441
On Huawei switches, you can use the vlan batch command to create multiple VLANs in batches, simplifying the configuration process. ()

True

False