2021 H12-811 Question Bank: Free PDF Download Recently Updated Questions
H12-811 Certification Exam Dumps with 454 Practice Test Questions
NEW QUESTION 233
As shown in the figure below, router A has Telnet router B through IP address 10.0.12.2. In the current interface, which of the following operations will cause the Telnet session of Router A and Router B to be interrupted? (Multiple Choice)
- A. Enable 0SPF protocol under G0/0/1 interface
- B. Modify the IP address of G0/0/1 interface
- C. Close G0/0/1 interface
- D. Configure static routing
Answer: B,C
NEW QUESTION 234
Which of the following description of static and dynamic routing is wrong?
- A. Static routing is simple to configure and easy to manage when applied in the enterprise
- B. Dynamic routing protocols take up more system resources than static routing protocols.
- C. After the administrator deploys the dynamic routing protocol in the corporate network, later maintenance and expansion can be more convenient
- D. After the link fails, the static route can automatically complete the network convergence.
Answer: D
NEW QUESTION 235
If the Length/Type of an Ethernet data frame = 0x8100, which of the following statements is correct?
- A. There must be a UDP header in the upper layer of this data frame
- B. This data frame must carry VLAN TAG
- C. There must be an IP header in the upper layer of this data frame
- D. There must be a TCP header in the upper layer of this data frame
Answer: B
NEW QUESTION 236
In the campus network, network reliability can be improved by using link aggregation and stacking technology.
- A. False
- B. True
Answer: B
NEW QUESTION 237
If the application layer protocol is Te1net, what is the value of the Protoco1 field in the IPv4 header?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 238
Which of the following parameters cannot be used in the advanced visit control list?
- A. Destination port number
- B. Protocol number
- C. Physical interface
- D. Time range
Answer: C
NEW QUESTION 239
What is the port number used by the FTP protocol control plane?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 240
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? (Multiple Choice)
- A. Improve safety
- B. Improve reliability
- C. Realize load sharing
- D. Increase bandwidth
Answer: B,C,D
NEW QUESTION 241
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 242
When deploying ACL on Huawei devices, which of the following description is correct? (Multiple choice)
- A. When ACL defines rules, it can only proceed in the order of 10, 20, and 30
- B. ACL can match the TCP/UDP port number of the message, and can specify the range of port numbers
- C. ACL cannot be used to filter OSPF traffic, because OSPF traffic does not use UDP protocol encapsulation
- D. The same ACL can be called under multiple interfaces
- E. When calling ACL under the interface, it can only be applied to the outbound direction
Answer: B,D
NEW QUESTION 243
Which of the following SNMP packets are sent to the NMS by the Agent on the managed device?
- A. Response
- B. Get-Next-Request
- C. Get-Request
- D. Set-Request
Answer: A
NEW QUESTION 244
In the network shown in the figure below, if Router A and Router B's loopback 0 communicate through static routing, which command needs to be entered on Router A?
- A. ip route-static 10.0.2.2 32 GigabitEthernet 0/0/0
- B. ip route-static 10.0.2.2 255.255.255.255 10.0.12.1
- C. ip route-static 10.0.2.2 255.255.255.255 10.0.12.2
- D. ip route-static 10.0.2.2 0 GigabitEthernet 0/0/0
Answer: C
NEW QUESTION 245
Which of the following levels is not a common network level in mid-sized campus network architecture?
- A. Access layer
- B. Core layer
- C. Network layer
- D. Convergence layer
Answer: C
NEW QUESTION 246
As the figure shown: (Multiple Choice)
- A. Client3 belongs to VLAN30, and the command for dividing VLAN on the switch is correct
- B. Client2 belongs to VLAN20, and the switch based on the MAC address division command is correct
- C. Client4 belongs to VLAN40, and the command for dividing VLAN on the switch is correct
- D. Client1 belongs to VLAN10, and the command for dividing VLAN on the switch is correct
Answer: B,C,D
NEW QUESTION 247
As shown in the figure below, which of the following statements are correct?
- A. Host A can ping host B
- B. Host A and Host B cannot obtain each other's MAC address
- C. The following entry 10.0.12.5 MAC-B exists in the ARP cache of host A
- D. The broadcast address of host A and host B are the same
Answer: B
NEW QUESTION 248
Both pwd and dir commands in the VRP operating platform can view the file information under the current directory.
- A. FALSE
- B. TURE
Answer: A
NEW QUESTION 249
Which parameter is used in the spanning tree protocol for root bridge election?
- A. Root path cost
- B. Bridge ID
- C. Port ID
- D. Bridge priority
Answer: D
NEW QUESTION 250
How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 251
The network administrator uses Ping to test the connectivity of the network. Which of the following protocols may be used in this process? (Multiple choice)
- A. ICMP
- B. ARP
- C. TCP
- D. UDP
Answer: A,B
NEW QUESTION 252
CAPWAP protocol stipulates the communication standard between AC and Ap. Which of the following statements about CAPWAP protocol is correct?
- A. AP can encapsulate the user's data message in CAPWAP and forward it by AC
- B. In order to establish a CAPWAP tunnel, FIT Ap can only discover AC through broadcast messages
- C. CAPWAP In order to reduce the burden on the AP, a tunnel is used to transmit control messages and data messages at the same time
- D. CAPWAP is an application layer protocol based on TCP transmission
Answer: B
NEW QUESTION 253
On Huawei routers, what is the default value of the OSPF protocol internal routing priority?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 254
Huawei ARG3 series routers have all SNMP versions (SNMPv1, SNMPv2c and SNMPv3) by default.
- A. False
- B. True
Answer: B
NEW QUESTION 255
On the VRP platform, which of the following methods can be used to access the previous history commands?
- A. Left cursor
- B. Ctr1+U
- C. Ctr1+P
- D. Up cursor
Answer: D
NEW QUESTION 256
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