Practice Test for H12-811-ENU Certification Real 2023 Mock Exam
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NEW QUESTION # 102
What are the roles of OSPF protocol DR and BDR? (Multiple choice)
- A. Reduce the number of exchanges of link state information.
- B. Reduce the types of OSPF protocol packets
- C. Reduce the time to establish adjacency
- D. Reduce the number of adjacencies
Answer: A,D
NEW QUESTION # 103
What equipment is generally involved in the wlan deployment scheme in the enterprise scenario? (Multiple choice)
- A. Poe switch
- B. AP
- C. CPE
- D. AC(Acess Controller)
Answer: A,B,D
NEW QUESTION # 104
Which of the following IPv4 addresses the host uses cannot directly access the Internet?
- A. 200.1.1.1
- B. 10.1.1.1
- C. 50.1.1.1
- D. 100.1.1.1
Answer: B
NEW QUESTION # 105
The switch receives a unicast data frame. If the destination MAC of the data frame can be found in the MAC table, the data frame will be forwarded from the corresponding MAC port.
- A. TRUE
- B. False
Answer: A
NEW QUESTION # 106
By default, the bridge priority of Huawei switches is 32768.
- A. False
- B. True
Answer: B
NEW QUESTION # 107
The administrator plans to implement route backup by configuring static floating routes, what is the correct way to achieve this?
- A. The administrator needs to configure different TAGs for the main static route and the standby static route
- B. The administrator needs to configure different metric values for the main static route and the standby static route
- C. The administrator needs to configure different protocol priority values for the main static route and the standby static route
- D. The administrator only needs to configure two static routes
Answer: C
NEW QUESTION # 108
UDP cannot guarantee the reliability of data transmission, and does not provide the functions of message sequencing and flow control. It is suitable for flows with low transmission reliability requirements but high transmission speed and delay requirements.
- A. False
- B. True
Answer: B
NEW QUESTION # 109
Which of the following statement about the main functions of the router is wrong? (Multiple choice)
- A. Realize the mutual communication between the same network disconnection equipment
- B. Establish routing tables through multiple protocols
- C. Guide data forwarding according to the routing table
- D. Forwarding according to the source IP address of the received data packet
Answer: A,C,D
NEW QUESTION # 110
Switches running SIP protocol, the port needs to wait for the forwarding delay in the Learning state before it can be transformed into the Forwarding state.
- A. False
- B. True
Answer: A
NEW QUESTION # 111
Which of the following messages are used for IPv6 stateless address autoconfiguration? (Multiple Choice)
- A. NS
- B. RS
- C. NA
- D. RA
Answer: B,D
NEW QUESTION # 112
The following rules exist in a certain ACL of the router. rule deny tcp source 192.168.1.0 0.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 Which statement is correct?
- A. The source IP is 192.168.1.1, the destination IP is 172.16.10.2, and all 1CP packets whose destination port number is 21 match this one
- B. The source IP is 192.168.1.1, the destination IP is 172.16.10.1, and all TCP packets whose destination port number is 21 match this rule
- C. The source IP of the rule is 192.168.1.1, the destination IP is 72.16.10.3. All TCP packets with the destination port number of 21 match this rule
- D. The type of ACL is a basic ACL
Answer: B
NEW QUESTION # 113
What are the advantages of the OSPF protocol? (Multiple Choice)
- A. OSPF supports message authentication
- B. Division of support areas
- C. OSPF supports type-less inter-domain routing (CIDR)
- D. OSPF supports load sharing for equal-cost routes
Answer: A,B,C,D
NEW QUESTION # 114
Which of the following fields does the ARP packet format include? (Multiple choice)
- A. Protocol Type
- B. Operation Code
- C. Protocol Address of sender
- D. HardwareType
Answer: A,B,C,D
NEW QUESTION # 115
There is no channel overlap in the 14 available frame segments in the 185.2.4 GHz frame segment.
- A. False
- B. True
Answer: B
NEW QUESTION # 116
After the system restarts the static MAC address table, the saved entries will not be lost.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 117
Which of the following statement about static routing in Huawei equipment is wrong?
- A. The range of the static route priority value is 1-255
- B. The default value of the static route priority is 60
- C. The cost value (Cost) of the static route cannot be modified.
- D. When the priority of the static route is 0, the route will definitely be preferred.
Answer: A
NEW QUESTION # 118
As shown in the figure below, suppose the MAC address table of SWA is as follows. Now host A sends a data frame with the destination MAC address MAC-B. Which of the following statements is correct?
- A. Flood this data frame
- B. STA discards the data frame
- C. Forward this data frame only from port G0/0/3
- D. Forward this data frame only from port G0/0/2
Answer: D
NEW QUESTION # 119
Regarding the IPv6 address 2031:0000:720C:0000:0000:09E0:839A:130B, which of the following abbreviations is correct?
- A. 2031:0:720C::9E0:839A:130B
- B. 2031::720C::9E0:839A:130B
- C. 2031:0:720C:0:0:9E:839A:130B
- D. 2031:0:720C:0:0:9E0:839A:130B
Answer: A
NEW QUESTION # 120
In the campus network, network reliability can be improved by using link aggregation and stacking technology.
- A. False
- B. True
Answer: B
NEW QUESTION # 121
NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets.
- A. False
- B. True
Answer: A
NEW QUESTION # 122
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