[Mar-2024] H12-831_V1.0 Certification with Actual Questions from DumpsTests
Updated H12-831_V1.0 Dumps PDF - H12-831_V1.0 Real Valid Brain Dumps With 265 Questions!
NEW QUESTION # 136
As shown in the figure, all interfaces of the router enable OSPF. The IP address identified in the figure is the IP address of the oopback0 interface of the device. Loopback0 of R1 and R2 is advertised in area 1, Loopback0 of R4 is advertised in area 0, and Loopback0 of R3 and R5E are advertised in area 2, which of the following IP addresses can ping each other? (Multiple choice)
- A. 10.0.2.2 and 10.0.5.5 (not counted when receiving Category 3 in non-backbone areas)
- B. 10.0.4.4 and 10.0.2.2. (3 types of normal calculation)
- C. 10.0.2.2 and 10.0.3.3. (Not counted when receiving Category 3 in non-backbone areas)
- D. 10.0.3.3 and 10.0.5.5 (Class 1 in the same area)
Answer: B,D
NEW QUESTION # 137
In an MPLS network, there are different types of operations for labels, among which the meaning of the "pop" action is?
- A. Add the top label to the MPLS label stack
- B. Replace the top label with another set of labels
- C. Replace the top label with another value
- D. Remove the top label from the MPLS label stack
Answer: D
NEW QUESTION # 138
When MPLS is deployed in the network and the network layer protocol is IP, the route corresponding to the FEC must exist in the IP routing table of the LSR, otherwise the label forwarding entry of the FEC will not take effect.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 139
If you want to check the files under Flash, which command should you use?
- A. dir flash:
- B. dir sdO:
- C. dir sdl:
- D. display patch-information
Answer: A
NEW QUESTION # 140
ping -a X-c Y-s z -vpn-instance M 10.5.16.2, what is the meaning of this command is? (Multiple choice)
- A. The ping packet belongs to VPN instance M
- B. The source IFP address of the ping packet is X
- C. The ICMP request of this ping, the packet size is Z (excluding IP and ICMP header)
- D. The ping sends Y ICMP requests
Answer: A,B,C,D
NEW QUESTION # 141
According to this picture, what can we judge? (Multiple choice)
- A. R1 has routes of 3002.-3/128 and 3002:.4/128
- B. If the routing policy on AS_Path is not configured, then 3002:-4/128 must not originate from AS 65001
- C. R1 does not have routes of 3002:.3/128 and 3002.-4/128
- D. If the routing policy on AS_Pash is not configured, then 3002:4/28 must originate from AS 65001
Answer: A,D
NEW QUESTION # 142
As shown in the figure, R1, R2, R3, and R4 are in the same MPLS domain, and LDP is used to allocate MPLS labels between devices. R4 is the FEC Egress LSR of 4.4.4.0/24. If you want to realize that when R1 accesses 4.4.4.0/24, R4 does not need to query the label table but can understand the forwarding priority of the data, then R3's outgoing label for the FEC should be (). (Please fill in the Arabic numerals directly, without symbols)
Answer:
Explanation:
0
NEW QUESTION # 143
Which of the following statements is true about the role of ping and tracert?
- A. TracertMust be able to trace every hop from source to destinationIPaddress
- B. Pingthrough one-wayicmp echo requestPacket inspection and bidirectional reachability of the correct end
- C. tracertandpingThe function is the same, just the name is different
- D. pingThe reachability from the local end to the peer end is verifieD. but it does not mean that the peer end to the local end must be reachable
Answer: D
NEW QUESTION # 144
Qing technology is a technology that expands the VLAN space. It achieves the function of expanding the VLAN space by adding a layer of 8D2.1Q Tag on the basis of the 8Q2.12 tag message.
Which of the following statements about qinq is wrong?
- A. Basic QinQ is implemented based on the interface method
- B. QinQ increases the number of VLANs to 4095*4095
- C. QinQ technology can make the private network LAN transparently transmitted on the public network
- D. Flexible QinQ can add different outer tags according to different inner tags, which is more precise in the division of user VLANs.
Answer: B
NEW QUESTION # 145
Which of the following is not part of the preliminary preparations for the cutover plan?
- A. Risk assessment
- B. On-site defense
- C. Cutover target
- D. Introduction to the current network
Answer: B
NEW QUESTION # 146
According to this picture, the door can be judged?
- A. system-IDforee8a0c2.baf2device whose type isLevel-1
- B. system-IDforee8c.a0c2.baf2device whose type isLevel-1-2
- C. R4belong only toLevel-2
- D. R4belong only toLevel-1
Answer: B,D
NEW QUESTION # 147
When B, CPIMPLS TP VPN is deployeD. the OSPF VPN Route Tag (VPN Route Tag) is not transmitted in the extended community attribute of MP-BGP, but the local concept is only meaningful on PE routers that receive MP-BGP routes and generate OSPF LSAs.
- A. False
- B. True
Answer: A
NEW QUESTION # 148
In the VLAN aggregation technology, multiple Sub-VLANs are used to isolate wide-open domains, and these Sub-VLANs are aggregated.
Synthesizing a logical Super-VLAN, a company divides different departments into different Sub-VLANs, because Sub-VL AN not only includes physical connection, but also can establish three-layer VLAN ANIF interface, which can directly carry out three-layer communication with external network.
- A. True
- B. False
Answer: A
NEW QUESTION # 149
As shown in the figure, all interfaces of the router enable OSPF, among which R4 and R5 can establish OSPF virtual connections.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 150
What is the command to adjust the link cost value of an IS-IS interface?
- A. isis circuit-type
- B. isis timer hello
- C. isis cost
- D. isis circuit-level
Answer: C
NEW QUESTION # 151
Which of the following statements about VLAN aggregation is correct? (Multiple choice)
- A. Super-VLAN only contains physical interfaces and cannot establish a Layer 3 VLANIF interface
- B. Sub-VLAN contains physical interfaces. A three-layer VLANIF interface can be established
- C. A Super-VLAN can contain one or more SUb-VLANs
- D. Sub-VLAN is used to isolate the broadcast domain
Answer: C,D
NEW QUESTION # 152
BGP4+ carries the next hop address of the IPv6 route through the Next Hop attribute in the Update message.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 153
Senior engineers with rich experience can quickly solve faults only by relying on experience, and the efficiency is very high.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 154
esigth uses different colors to distinguish different alarm levels, red represents emergency, orange represents important, and yellow represents The table is secondary, and blue represents the prompt. Which of the following statements about different alarm levels is correct: (multiple choice)
- A. Minor: There is currently a certain impact on the business, but corrective actions are required to prevent serious failure alarms
- B. Important: An alarm that has affected the business and will have serious consequences if not handled in time
- C. Prompt: A potential or imminent business-impacting failure has been detecteD. but currently has little business impact
- D. Urgent: Alerts that have affected the business and require immediate corrective action
Answer: A,B,C,D
NEW QUESTION # 155
Part of the configuration of R1 is as follows. Which statement about IS-IS on R1 is correct?
3vpn-instarwce rr
level- 2
cost-style wide
-erntity 47.ccOa 3eft)btxlci-dael
- A. process1Also contains global routing information. andVRFtt,rrrouting information
- B. process2with process3routing information will be shared
- C. process1Contains only global routing information
- D. process2with process3The routing information is isolated
Answer: C,D
NEW QUESTION # 156
If display current-configuration can reach the setting of !JIS-IS, and display saved- There is no IS-IS setting in the configuration, so that means?
- A. FlashRunningIS-ISconfiguration, not saved to memory
- B. memory is runningIS-ISConfiguration saved toFlash
- C. memory is runningIS-ISconfiguration, not saved toFlash
- D. nothing enteredIS-ISThe command
Answer: C
NEW QUESTION # 157
The network administrator A wants to use ACL to match only the four routing entries 1, 3.5, and 7 in the figure. How many ACL rules does the network administrator A need to configure at least?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 158
By default, LDP adjacencies will trigger the establishment of LSP based on the IP routing of the 32bit address.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 159
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