Easily To Pass New H12-831-ENU Verified & Correct Answers [Jun 17, 2023
Free H12-831-ENU Exam Files Downloaded Instantly
NEW QUESTION # 237
Assume that for the packets marked as AF21, the WRED discard policy is set to set the lower limit to 35, the upper limit to 40, and the discard probability is 50%. Then when the packet of AF21 arrives, which description is wrong about the processing result of the packet by WRED? (Multiple choice)
- A. If the current queue average length is greater than the offline 35 and less than the upper limit of 40, the probability of the packet being discarded is 50%
- B. If the average length of the current queue is less than 35, the packet starts to be discarded
- C. If the average length of the current queue is greater than the upper limit of 40, the packet starts to enter the queue
- D. If the average length of the current queue is greater than the upper limit of 40, the packet will be discarded
Answer: B,C
NEW QUESTION # 238
Please match the following DHCP attack types with corresponding explanations.
Answer:
Explanation:
NEW QUESTION # 239
DHCP Relay is also known as DHCP relay. If DHCP Relay needs to be configured, which of the following steps need to be included? (Multiple choice)
- A. Configure the group name of the DHCP server group
- B. Configure the interface number and the IP address of the interface to enable the DHCP Relay function
- C. Configure option82 insertion function
- D. Configure the IP address of the DHCP server in the DHCP server group
Answer: A,B,D
NEW QUESTION # 240
Link state information between different ISIS processes of two routers is isolated by default.
- A. True
- B. False
Answer: A
NEW QUESTION # 241
As shown in the figure, private network routing information is exchanged between PE1 and PE2 and their respective CEs through OSPF, and the same DomainID is configured on both PE1 and PE2. When routes are imported from BGP to OSPF on PE2, which of the following types of LSAs are possibly delivered to CE2? (Multiple choice)
- A. Type3 LSA
- B. Type1 LSA
- C. Type5 LSA
- D. Type7 LSA
Answer: A,C,D
NEW QUESTION # 242
According to this figure, it can be known that in VLAN 300, on 2020-06-04, from 17:22:38 to 17:22:44, how many MAC flaps does the 00e0-fc3d-3bdb have?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 243
The main technical schools of SDN advocate that SDN adopts a layered open architecture. Which technical advocates and defines centralized architecture and Openflow?
- A. IETF
- B. ONF
- C. ITU
- D. ETSI
Answer: B
NEW QUESTION # 244
Part of the configuration of R1 is as follows. Which statement about OSPF on R1 is correct?
- A. The device type of R1 is Level-1-2
- B. The device type of R1 is Leve-2
- C. The device type of R1 is Level-1
- D. The device type of R1 cannot be determined
Answer: A
NEW QUESTION # 245
What information can be used for complex traffic classification in packets? (Multiple choice)
- A. Protocol Type
- B. Source and destination MAC address information
- C. Source and destination address information
- D. Packet length of the message
Answer: A,B,C
NEW QUESTION # 246
As shown in the figure, OSPF is deployed in a campus, and Area1 is deployed as an NSSA area. By default, R2 will automatically generate a default route of Type7 LSA and flood it in the NSSA area.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 247
According to this figure, what can we judge?
- A. Unable to determine the device type of R3
- B. The device type of R3 must be Leve-1-2
- C. The device type of R3 must be Level-1
- D. The device type of R3 must be Level-2
Answer: B
NEW QUESTION # 248
IS-IS is a link-state routing protocol that uses the SPF algorithm for route calculation. A campus deploys both IPv4 and IPv6 and runs IS-IS to achieve network interconnection.
As shown in the figure, the IPV4 and IPv6 costs of this network are the same, and R1 and R4 only support IPV4. By default, in the IPv6 shortest path tree formed by calculation, the next hop device for R2 to access R6 is: ( ). (Note: the device name must be the same as the figure, such as: R1)
- A. R3
Answer: A
NEW QUESTION # 249
What characteristics must a high-risk operating program have? (Multiple choice)
- A. can be returned
- B. Strong operability
- C. have verification
- D. to be precise
Answer: A,B,C,D
NEW QUESTION # 250
An engineer uses two routers to test IPv6 services, and simulates the interconnection between the headquarters and branches by running BGP4+.
As shown in the figure, an engineer captures the packet to view the update message sent by R1. Regarding the description of the message information, which of the following statements is correct?
- A. This packet describes the currently withdrawn IPv6 route
- B. The route described in this packet may be imported through import
- C. The routing address prefix described in this packet and its prefix length are :2001:db8:2345:1::1/128/
- D. The next hop address of the route described in this packet is :2001:db8::2345:1.:1
Answer: C
NEW QUESTION # 251
As shown in the figure, MPLS/BGP IPVPN is deployed in the network, and the MP-BGP neighbor relationship is established between PE1 and PE2 through the Loopback0 interface. After the configuration is complete, it is found that CE1 and CE2 cannot learn routes from each other. Use the command on PE2 Looking at the neighbor information as shown, what is the most likely cause of the problem?
- A. The VPN instance parameters on PE1 or PE2 are incorrectly configured
- B. The LSP tunnel between PE1 and PE2 is not established
- C. PE1 and PE2 do not have bell neighbors enabled in the BGP-VPN4 unicast address family view
- D. Misconfiguration of routing protocols between PE1 or PE2 and their respective CEs
Answer: C
NEW QUESTION # 252
In the label forwarding table of the MPLS device, for the same route, the incoming label and the outgoing label:
- A. must be different
- B. may be the same
- C. must be the same
Answer: B
NEW QUESTION # 253
The routine collection of basic equipment information, which of the following are included? (Multiple choice)
- A. Whether the configuration is saved
- B. License information
- C. The software version the device is running
- D. Patch Information
Answer: A,B,C,D
NEW QUESTION # 254
The dynamic IP address assigned to the client by the DHCP server. Usually there is a certain rental period, which of the following description of the rental period is wrong?
- A. If the "rebinding timer" expires, but the client has not received a response from the server, it will always send a DHCP REQUEST message to the DHCP server that has previously assigned an IP address until the total lease expires.
- B. The rebinding timer is 87.5% of the total lease period
- C. If the client receives a DHCP NAK message within the lease period, the client will immediately stop using this IP address and return to the initialization state, and re-apply for a new IP address
- D. The lease renewal timer is 50% of the total lease period. When the "lease renewal timer" expires, the DHCP client must renew the IP address
Answer: A
NEW QUESTION # 255
Sort by the cutover execution steps.
- A. Cut over business from old equipment to new equipment
- B. After ensuring that the business of the new equipment runs normally, the old equipment goes offline
- C. Perform service checks on new equipment
- D. Install new equipment and configure
- E. After the cutover is completed, observe the status of the network on the new device
Answer: A,B,C,D,E
NEW QUESTION # 256
IS-IS is a link-state routing protocol that uses the SPF algorithm for route calculation. As shown in the figure, a campus deploys both IPv4 and IPv6 and runs IS-IS to achieve network interconnection, of which R2 only supports IPv4.
Which of the following statements is true about the topology calculation of this network?
- A. If you want IPv4 and IPv6 network computation to form the same shortest path tree, you need to run the ipv6 enable topology ipv6 command to enable the IPv6 capability of the IS-IS process
- B. By default, IPv4 and IPv6 networks will be calculated separately to form different shortest path trees
- C. By default, since R2 does not support Pv6
- D. By default, in the shortest path tree formed by IPv6 network calculation, the path from R1 to R4 is R1-R2-R4
Answer: C
NEW QUESTION # 257
A router's Network LSA is shown in the figure. Which of the following statements are correct? (Multiple choice)
- A. The priority of router DR is 100
- B. This router is the DR
- C. The network segment where the router is located is 10.0.12.0/24
- D. The Router ID of this router is 10.0.12.2
Answer: B,C,D
NEW QUESTION # 258
Regarding MP-BGP, which of the following descriptions is wrong?
- A. MP-BGP advertises VPNv4 routes through MP REACH NLRI and MP UREACH NLRI attributes
- B. MP-BGP's packet types and VPNv4 route advertisement policies are the same as BGP-4
- C. When the PE and CE exchange routes through BGP, a BGP process needs to be created on the CE for each VPN instance
- D. MP-BGP needs to assign private network labels to VPNV4 routes
Answer: C
NEW QUESTION # 259
Which of the following BGP routing attributes cannot control BGP routing?
- A. Community
- B. MED
- C. Originator ID
- D. AS Path
Answer: A
NEW QUESTION # 260
Which of the following description of "packet marking" is incorrect?
- A. The QoS information field of the packet can be marked
- B. The MAC of the message can be marked
- C. DSCP IP Precedence information of IP packets can be marked
- D. The 802.1Q information of Vlan packets can be marked
Answer: B
NEW QUESTION # 261
When configuring the DHCP Relay function on the device, the VLANIF interface of the relay connected to the client must be bound to a DHCP server group, and the bound DHCP server group must be configured with the IP address of the DHCP server to be proxied.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 262
......
100% Pass Guaranteed Free H12-831-ENU Exam Dumps: https://www.itpassleader.com/Huawei/H12-831-ENU-dumps-pass-exam.html
Verified & Latest H12-831-ENU Dump Q&As with Correct Answers: https://drive.google.com/open?id=1Ednp6q2kvQ0FeXJNm_5agmbjURZTkND2