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Huawei H12-811_V1.0 Practice Test - Questions Answers, Page 49

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The RSTP protocol uses the P/A mechanism to speed up the speed of the upstream port to the F orwarding state, but what is the reason for the no temporary loop? . Shorten the time of ForwarD. Del ay

A.
Shorten the time of ForwarD. Del ay
A.
Shorten the time of ForwarD. Del ay
Answers
B.
Edge port
B.
Edge port
Answers
C.
Speed up port role election
C.
Speed up port role election
Answers
D.
Ensure that there will be no temporary loops through the synchronization mechanism
D.
Ensure that there will be no temporary loops through the synchronization mechanism
Answers
Suggested answer: D

What is the length of the Ethernet II frame containing the Ethernet header?

A.
64-1518B
A.
64-1518B
Answers
B.
60-1560B
B.
60-1560B
Answers
C.
46-1500B
C.
46-1500B
Answers
D.
64-1500B
D.
64-1500B
Answers
Suggested answer: A

In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops?

A.
STP
A.
STP
Answers
B.
UDP
B.
UDP
Answers
C.
ARP
C.
ARP
Answers
D.
VRRP
D.
VRRP
Answers
Suggested answer: A

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

A.
There is always a UDP header in the upper layer of each data frame
A.
There is always a UDP header in the upper layer of each data frame
Answers
B.
The upper layer of a data frame must exist IP header
B.
The upper layer of a data frame must exist IP header
Answers
C.
There is always a TCP header in the upper layer of each data frame
C.
There is always a TCP header in the upper layer of each data frame
Answers
D.
Each data frame must carry VLAN TAG
D.
Each data frame must carry VLAN TAG
Answers
Suggested answer: B

RADIUS is a common protocol to implement AAA.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: A

After the administrator successfully logged in to the router through Te1net, he found that the router's interface could not be configuredIP address. Then the possible reasons are ()

A.
The Telnet terminal software used by the administrator prohibits the corresponding operation
A.
The Telnet terminal software used by the administrator prohibits the corresponding operation
Answers
B.
SNMP parameter configuration fiveMistake
B.
SNMP parameter configuration fiveMistake
Answers
C.
Telnet user authentication mode configurationMistake
C.
Telnet user authentication mode configurationMistake
Answers
D.
Telnet user level configurationMistake
D.
Telnet user level configurationMistake
Answers
Suggested answer: D

When AP and MC are in different Layer 3 networks, what method is recommended for AP to discover AC?

A.
DHCP
A.
DHCP
Answers
B.
DNS
B.
DNS
Answers
C.
Broadcasting method
C.
Broadcasting method
Answers
D.
Manually specified on AP
D.
Manually specified on AP
Answers
Suggested answer: C

AP does not need AC. It can independently complete the work of wireless user access, wireless user authentication, and business data forwarding.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: B

In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information?

A.
Join
A.
Join
Answers
B.
Beacon
B.
Beacon
Answers
C.
Probe
C.
Probe
Answers
D.
Discovery
D.
Discovery
Answers
Suggested answer: D

To provide different network services for different users on the AP, which of the following can be configured?

A.
TAP
A.
TAP
Answers
B.
VAP
B.
VAP
Answers
C.
VAC
C.
VAC
Answers
D.
VT
D.
VT
Answers
Suggested answer: C
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