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Huawei H12-811_V1.0 Practice Test - Questions Answers, Page 40

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If host A has the ARP cache of host B. , host A. can ping host B. ()
Which of the following descriptions about the switch is wrong?
SNMP packets are transmitted by UDP.
Only the WPA2-PSK security policy supports TKIP data encryption.
On the network shown in the following figure, assuming that SWA, SWB, and SWC retain factory defaults, which of the following ports will be selected as a designated port?
The administrator made the configuration on the router as shown in the figure. At the same time, the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-choice question) ip pool pooll netyork10.10.10.0ask255.255.255.0 gateway-list 10.10.10.1
In the VRP interface, use the command startup saved-configuration backup.cfg. Configure the startup.cfg file to be used at the next startup ()
The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong? () interface GigabitEthernet0/0/1 port link type trunk port trunk pviD. vlan 200 port trunk allow-pass vlan100#
The switch GE0/0/1 port configuration information is shown in the figure. Which VLAN data frame does the switch not carry when forwarding?()
Using the command mkdirtest in the VRP operating platform, the system will create a directory named test. ()

Question 391

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Which of the following statements about the role of the STP protocol ForwarD. Delay is correct? ()

A.
Prevent temporary loops
A.
Prevent temporary loops
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B.
There is a delay in the transition between Blocking state and DsiableD state
B.
There is a delay in the transition between Blocking state and DsiableD state
Answers
C.
Reduce the time interval of BPDu transmission and improve the convergence speed of STP
C.
Reduce the time interval of BPDu transmission and improve the convergence speed of STP
Answers
D.
Improve the survival time of BPDUs to ensure that the configured BPDUs can be forwarded to more switches
D.
Improve the survival time of BPDUs to ensure that the configured BPDUs can be forwarded to more switches
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Suggested answer: A

Question 392

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Which of the following is not the reason why RSTP can increase the speed of convergence? ()

A.
Fast switching of the root port
A.
Fast switching of the root port
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B.
The introduction of edge ports
B.
The introduction of edge ports
Answers
C.
Forward.Delay cancelled
C.
Forward.Delay cancelled
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D.
P/A. Mechanism
D.
P/A. Mechanism
Answers
Suggested answer: C

Question 393

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Neither the A1 ternate interface nor the Backup port in RSTP can forward user traffic, nor can they receive, process, and forward BPDUs ()

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

Question 394

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The following description about the specified port of the spanning tree is correct ()

A.
Each switch has only one designated port
A.
Each switch has only one designated port
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B.
The designated port can forward configuration BPDU packets to the network segment connected to it
B.
The designated port can forward configuration BPDU packets to the network segment connected to it
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C.
The port on the root switch must be a designated port
C.
The port on the root switch must be a designated port
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D.
The port on the root switch must not be a designated port
D.
The port on the root switch must not be a designated port
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Suggested answer: B

Question 395

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

A.
The VANIF interface does not need to learn MAC addresses.
A.
The VANIF interface does not need to learn MAC addresses.
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B.
The VLANTF interface does not have a MAC address.
B.
The VLANTF interface does not have a MAC address.
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C.
Different VLANIF interfaces can use the same IP address
C.
Different VLANIF interfaces can use the same IP address
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D.
The VLANIF interface is a Layer 3 interface
D.
The VLANIF interface is a Layer 3 interface
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Suggested answer: D

Question 396

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Which of the following statements about the edge port in the RSTP protocol is correct? ()

A.
The edge port discards the received configuration BPDU packet
A.
The edge port discards the received configuration BPDU packet
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B.
The edge port can be directly transferred to the Forwarding state from Disable
B.
The edge port can be directly transferred to the Forwarding state from Disable
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C.
Edge port participates in RSTP operation
C.
Edge port participates in RSTP operation
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D.
The interconnection ports between switches need to be set as edge ports
D.
The interconnection ports between switches need to be set as edge ports
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Suggested answer: B

Question 397

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Static NAT can only achieve one-to-one mapping between private addresses and public addresses ()

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

Question 398

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A certain ACL of the router is in the following rules, rule deny source192.168.2.00.0.0.255 destination 172.16.10.20.0.0.0 Which of the following statements is correct? ()

A.
The source IP is 172.16.10.2. All TCP packets whose destination IP is 192.168.2.1 match this rule
A.
The source IP is 172.16.10.2. All TCP packets whose destination IP is 192.168.2.1 match this rule
Answers
B.
All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.1 match this rule
B.
All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.1 match this rule
Answers
C.
sourceIP is 172.16.10.2 and all TCP packets whose destination IP is 192.168.2.0 match this rule
C.
sourceIP is 172.16.10.2 and all TCP packets whose destination IP is 192.168.2.0 match this rule
Answers
D.
sourceIAll TCP packets whose P is 192.168.2.1 and destination P is 172.16.10.2 are configured with this rule.
D.
sourceIAll TCP packets whose P is 192.168.2.1 and destination P is 172.16.10.2 are configured with this rule.
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Suggested answer: D

Question 399

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RADIUS is a common protocol to implement AAA.?

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

Question 400

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Telnet is based on TCP protocol ()

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