P.S. Free & New H12-831_V1.0 dumps are available on Google Drive shared by Free4Torrent: https://drive.google.com/open?id=1gzpKoFyAICB_ibXEiKq9cE9YqeUwN_q1
The advantages of our H12-831_V1.0 cram guide is plenty and the price is absolutely reasonable. The clients can not only download and try out our H12-831_V1.0 exam questions freely before you buy them but also enjoy the free update and online customer service at any time during one day. The clients can use the practice software to test if they have mastered the H12-831_V1.0 Test Guide and use the function of stimulating the test to improve their performances in the real test. So our products are absolutely your first choice to prepare for the test H12-831_V1.0 certification.
| Section | Objectives |
|---|---|
| MPLS and VPN Technologies | - MPLS fundamentals
|
| Network Design and Troubleshooting | - Enterprise network design
|
| IPv6 and Network Services | - IPv6 routing technologies
|
| BGP and Internet Routing | - BGP fundamentals
|
| Advanced Routing Protocols | - IS-IS Routing Protocol
|
Our product boosts three versions which include PDF version, PC version and APP online version. The HCIP-Datacom-Advanced Routing & Switching Technology V1.0 test guide is highly efficient and the forms of the answers and questions are the same. Different version boosts their own feature and using method, and the client can choose the most convenient method. For example, PDF format of H12-831_V1.0 guide torrent is printable and boosts instant access to download. You can learn at any time, and you can update the H12-831_V1.0 Exam Questions freely in any day of one year. It provides free PDF demo. You can learn the APP online version of H12-831_V1.0 guide torrent in your computer, cellphone, laptop or other set. Every version has their advantages so you can choose the most suitable method of HCIP-Datacom-Advanced Routing & Switching Technology V1.0 test guide to prepare the exam. Believe us that we can bring you the service of high quality and make you satisfied.
NEW QUESTION # 200
On the OSPF network shown in the figure, the cost values of links are marked, and OSPF IP FRR is enabled on R1. Which of the following statements are true?
Answer: A,C,D
NEW QUESTION # 201
On the ISIS network shown in the figure, R1 imports a default route using the default-route-advertise always level-1 command. In this case, R3 can learn this default route through IS-IS.
Answer: A
NEW QUESTION # 202
On an MPLS network where LDP is used to establish LSPs, a transit node directly connected to the ingress node that sends a label request distributes labels to the ingress node only after receiving a label mapping message from the egress node. In this case, which of the following is the correct combination of the label advertisement mode and label distribution control mode?
Answer: D
Explanation:
The label advertisement mode is Downstream-on-Demand (DoD) because the ingress node explicitly sends a Label Request message. In DoD mode, an LSR does not automatically advertise a label binding for a FEC. It waits until the upstream LSR requests the label.
The label distribution control mode is ordered because the transit LSR waits until it receives a Label Mapping message from its downstream node-the egress in this topology-before advertising a corresponding label mapping to the ingress.
The two characteristics are therefore:
* DoD: A label is advertised only after an upstream Label Request is received.
* Ordered control: A transit LSR advertises a label mapping only after it has received the downstream label mapping or when the local LSR itself is the egress for the FEC.
Independent control would allow the transit LSR to allocate and advertise its own label without first obtaining a label mapping from the downstream node. That contradicts the behavior described in the question.
Therefore, the correct combination is DoD + ordered. Huawei LDP label advertisement modes
NEW QUESTION # 203
When an IP packet enters the MPLS domain, the ingress node checks the Tunnel ID corresponding to the source IP address. When the Tunnel ID is not 0x0, the ingress node performs MPLS forwarding on the packet.
Answer: A
NEW QUESTION # 204
When an IP packet passes through an MPLS network , an MPLS device processes the TTL value in the packet.
If the pipe mode is used in the topology shown in the figure , which of the following is the TTL value in the IP packet?
Options:
Answer: A
Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding MPLS TTL Processing
* TTL (Time to Live) is an IP field that prevents routing loops by decrementing at each hop.
* In an MPLS network, the TTL field can be processed in two modes:
* Uniform Mode (Default Mode)
* Pipe Mode (TTL is preserved in the MPLS domain)
2. TTL Processing in Pipe Mode
Pipe mode is used to prevent the MPLS backbone from affecting the TTL of an IP packet.
* When an IP packet enters the MPLS domain , the original TTL is copied into the MPLS header .
* Inside the MPLS network:
* MPLS labels use their own TTL values , and the IP TTL is not decremented .
* Each P router (transit router) decrements only the MPLS TTL , not the IP TTL .
* When the packet leaves the MPLS domain (at PE2) :
* The original IP TTL is restored but decremented by 1 as it exits to CE2.
3. Analyzing the TTL Behavior in the Given Topology
* Initial IP TTL from CE1 = 255
* At PE1:
* IP TTL remains 255 as it is copied into the MPLS label.
* MPLS TTL starts at 255 (same as IP TTL).
* At P Router:
* MPLS TTL is decremented (255 # 254) .
* IP TTL remains unchanged (255) because of Pipe mode.
* At PE2 (Egress Router):
* IP TTL is restored and decremented by 1 (255 # 254).
Thus, the correct sequence is:
# IP TTL: 255 # 255 # 254
4. Evaluating the Answer Choices
Option
TTL Values
Correct?
Reasoning
A
255 # 254 # 252
# Incorrect
IP TTL should remain 255 inside MPLS
B
254 # 253 # 252
# Incorrect
IP TTL starts at 255, not 254
C
255 # 255 # 254
# Correct
IP TTL is preserved in pipe mode inside MPLS and decremented only at egress.
D
254 # 254 # 253
# Incorrect
Initial IP TTL should be 255, not 254
# Correct answer: C. 255 # 255 # 254
Final Conclusion:
* Pipe mode ensures that the MPLS domain does not affect the IP TTL while the packet is inside the MPLS network.
* Only the egress PE (PE2) decrements the IP TTL before forwarding the packet to CE2.
* Thus, the correct TTL sequence is 255 # 255 # 254.
Reference:
HCIP-Datacom-Advanced Routing & Switching Technology V1.0 - MPLS TTL Processing Huawei Official HCIP-Datacom Study Guide - Pipe Mode vs. Uniform Mode in MPLS Huawei Documentation on MPLS TTL Handling in Pipe Mode
NEW QUESTION # 205
......
Huawei H12-831_V1.0 Exam Questions just focus on what is important and help you achieve your goal. With high-quality H12-831_V1.0 guide materials and flexible choices of learning mode, they would bring about the convenience and easiness for you. Every page is carefully arranged by our experts with clear layout and helpful knowledge to remember.
Latest H12-831_V1.0 Exam Forum: https://www.free4torrent.com/H12-831_V1.0-braindumps-torrent.html
BTW, DOWNLOAD part of Free4Torrent H12-831_V1.0 dumps from Cloud Storage: https://drive.google.com/open?id=1gzpKoFyAICB_ibXEiKq9cE9YqeUwN_q1