Free Access Huawei.H12-811_V1.0.v2026-05-20.q298 Practice Test (Page 54)

Question 261

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

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

B.The upper layer of a data frame must exist IP header

C.Each data frame must carry VLAN TAG

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

Question 262

Which of the following methods can read data non-blocking in Python's telnetliB.? ()

A.telnet._read_eager

B.telnet_read_very_lazy

C.telnet_reaD._very_eager

Question 263

As shown in the figure below, all hosts can communicate normally. Is the correspondence between the MAC address and the port in the MAC address table of SWB correct? () (Single-choice question)

A.MAC-A GO/0/3
MAC-B GO/0/3
MAC-C GO/0/1

B.MAC-A GO/0/1
MAC-B GO/0/2
MAC-C GO/0/3

C.MAC-A GO/0/1
MAC-B GO/0/1
MAC-C GO/0/3

D.MAC-A GO/0/2
MAC-B G0/0/2
MAC-C GO/0/3

Question 264

What of the following statements is correct regarding Access Control List types and ranges?

A.An advanced ACL value ranges from 3000-4000.

B.An interface ACL value ranges 1000-2000.

C.A basic ACL value ranges from 1000-2999.

D.A layer 2 ACL value ranges from 4000-4999.

Question 265

As shown in the figure, which of the following ports will be in a blocking state?

A.G0/0/2 of SWC

B.G0/0/3 of SWB

C.G0/0/1 of SWC

D.G0/0/3 of SWA

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Question 261

Question 262

Question 263

Question 264

Question 265

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