Free H12-831-ENU Exam Braindumps - New 2023 Huawei Pratice Exam
Practice Test for H12-831-ENU Certification Real 2023 Mock Exam
NEW QUESTION # 229
The three authorizations required for high-risk operations do not include:
- A. Customer Authorization
- B. Administrative Authorization
- C. Administrative Authorization
- D. Technology Authorization
Answer: C
NEW QUESTION # 230
As shown in the figure, the entire network of a company uses OSPF to open up the network. However, RouterS and RouterE cannot establish an OSPF neighbor relationship. When network administrators detect OSPF faults, they can run the display ospf ( ) 1000 interface GE0/0/1 command on RouterS to obtain information about the errors. Users can perform OSPF fault diagnosis based on the information. (Please use English lowercase letters to complete the command, and the command cannot be abbreviated)
- A. error
Answer: A
NEW QUESTION # 231
Which of the following statements about ASPF and Servermap is true? (Multiple choice)
- A. ASPF determines whether packets pass through the firewall by dynamically generating ACLs
- B. Configure NAT Server to generate static Server-map
- C. The Servermap table uses a five-tuple to represent a conversation
- D. ASPF checks application layer protocol information and monitors the application layer protocol status of the connection
Answer: B,D
NEW QUESTION # 232
After reset isis all is executed, the IS-IS protocol process needs to be restarted, the neighbors need to be re-established, and various IS-IS statistics will not be cleared.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 233
Which of the following information can the DHCP binding table contain? (Multiple choice)
- A. Port and UDP port
- B. IP address
- C. Lease time
- D. MAC address
Answer: B,C,D
NEW QUESTION # 234
As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so there are no three types of LSAs in R3's LSDB.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 235
Configured on an interface: isis timer hello5 level-2, which of the following statements is correct?
- A. The hello packet sending interval of Level-1 of this interface is 5s
- B. The CSNP packet sending interval of the interface Leve-2 is 5s
- C. The hello packet sending interval of Leve-2 on this interface is 5s
- D. The hello packet sending interval of Leve-1 and Leval-2 of the interface is 3s
Answer: C
NEW QUESTION # 236
Which of the following statements about VLAN aggregation is correct? (Multiple choice)
- A. Sub-VLAN contains physical interface. Layer 3 VLANIF interface can be established
- B. Super-VLAN contains only physical interfaces, and does not establish a Layer 3 VLANIF interface
- C. A Super-VLAN can contain one or more Sub-VLANs
- D. Sub-VLAN is used to isolate broadcast domains
Answer: C,D
NEW QUESTION # 237
For the same MAC address, manually configured MAC entries have higher priority than automatically generated entries.
- A. False
- B. True
Answer: B
NEW QUESTION # 238
Which of the following is not a hardware preparation for cutover?
- A. Test the operation of the board
- B. Power-on test
- C. Device version check
- D. Cable Continuity Test
Answer: C
NEW QUESTION # 239
If the goods counted are inconsistent with the quantity on the packing list, you can unpack and inspect the goods before contacting the manufacturer for processing.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 240
BFD determines whether a fault occurs by periodically detecting packets, and is a fast fault detection mechanism that relies on routing protocols.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 241
The main technical schools of SDN advocate that SDN adopts a layered open architecture. Which technical advocates and defines centralized architecture and Openflow?
- A. ITU
- B. IETF
- C. ETSI
- D. ONF
Answer: D
NEW QUESTION # 242
Which of the following belong to the delivery process of dry MPLS VPN routes? (Multiple choice)
- A. Route exchange between CE and PE
- B. Distribution process of public network labels
- C. The process of injecting MP-BGP routes into VRF
- D. The process of VRF route injection into MP-BGP
Answer: A,B,C,D
NEW QUESTION # 243
What are the advantages of NFV? (Multiple choice)
- A. Shorten the innovation cycle of network operation services
- B. Network devices can have a unified version and unified management distance
- C. A single platform provides services for different applications and tenants
- D. Reduce equipment cost
Answer: A,C,D
NEW QUESTION # 244
By default, the Domain ID of each OSPF process running on the router is the same as the process ID of the process, which can be modified by the domain-id command under the process.
- A. True
- B. False
Answer: B
NEW QUESTION # 245
On the boundary between the enterprise network and the external network, what kind of equipment is generally deployed on the outermost part of the enterprise network.
- A. FW
- B. VPN
- C. IPS
- D. IDS
Answer: A
NEW QUESTION # 246
As shown in the figure, to enable the traffic between Site1 and Site2 to pass through the Hub-CE, VPN instances on two Spoke-PEs have been configured. Two VPN instances need to be created on the Hub-PE. The instance VPN in is used to receive routes from Spoke-PE, and the instance VPN out is used to advertise routes to Spoke-PE. Please select Import RT and Export RT for these two instances respectively. .
Answer:
Explanation:
NEW QUESTION # 247
IGP converges faster than BGP, which may cause network traffic loss. By enabling the OSPF and BGP association feature of the device, the device can remain as a ( ) router during the set association time, and the link metric value in the LSA advertised is the maximum value, thereby informing other OSPF devices not to use this router. to forward data to avoid traffic loss. (Note: If English letters are involved, all uppercase)
- A. STUB
Answer: A
NEW QUESTION # 248
As shown in the figure, Client1, Client2, and client3 act as clients of RR1 at the same time, and R1 introduces 10 routes.
Assuming that the BGP configuration is correct and all neighbor relationships have been established, how many routing entries exist in the BGP routing table of Client3?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 249
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