Free Access Huawei.H12-223.v2022-03-27.q75 Practice Test (Page 5)

Question 16

To improve STP running stability, a network administrator wants to configure some STP features or protection mechanism on switches.
Which of the following configuration roadmaps is correct?

A.Configure BPDU protection so that the switch checks the validity of each received BPDU to prevent attacks of forged BPDUs.

B.Configure the user access port as an edge port to prevent the user from connecting to the switch on this port.

C.Configure loop protection on positions where loops have occurred so that loops are always blocked.

D.Configure root protection on the user access port to ensure that the user does not connect to a switch with a higher priority.

Question 17

The display interface brief command can be executed to check the interface status. When sent and received traffic exceeds 70%, it can be determined that the traffic volume is high.

A.TRUE

B.FALSE

Question 18

Which of the following statements regarding IP address allocation are true? (Multiple Choice)

A.All IP addresses on a network must be unique except when anycast is used.

B.The mask length of /24 can simplify network design.

C.Variable length subnet mask (VLSM) is often used for determining mask lengths to improve IP address efficiency.

D.IPv4 addresses are classified into Classes A, B, and C.

Question 19

Which of the following scenarios is a loop test applicable to?

A.To test whether a physical link is disconnected

B.To test whether a routing protocol can prevent loops

C.To test whether a switch can prevent loops and broadcast

D.To test whether applications are properly connected

Question 20

To improve Internet egress reliability, an enterprise uses multiple links to connect to different carrier networks.
This mode requires attention to both the incoming and outgoing traffic paths. Otherwise, network quality may be affected.

A.FALSE

B.TRUE

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Question 16

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Question 18

Question 19

Question 20

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