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Huawei H12-261-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network Design, Operation and Troubleshooting | 10% | - Large-scale network architecture design - Network monitoring and management - Fault diagnosis and resolution |
| IPv6 and Multicast | 15% | - IGMP and PIM multicast protocols - OSPFv3 and BGP4+ - IPv6 addressing and transition mechanisms |
| Layer 2 Technologies | 20% | - VRRP and BFD - Ethernet and VLAN principles - STP/RSTP/MSTP protocols - Link aggregation and redundancy |
| MPLS and VPN Technologies | 15% | - MPLS architecture and label switching - MPLS L3VPN and L2VPN - IPsec and VPN security |
| Network Security and QoS | 10% | - ACL, security policy and AAA - Attack defense and traffic filtering - QoS models, classification and scheduling |
| IPv4 Routing Protocols | 30% | - IS-IS protocol deployment and optimization - BGP route attributes and selection - OSPFv2 principles and advanced configuration - Routing policies and route control |
Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Sample Questions:
Which of the following statements are correct about PPPoE data frames? (Multiple Choice)
- A. After the PPPoE session is established, all Ethernet packets are unicast.
- B. The Session_ID segment of the ppp session must be the value specified in the Discovery phase and cannot be changed.
- C. When PPPoE is used to transfer session data, Code must be set to 0x0.
- D. The fixed value of the Ethernet Type field is Ox8863.
Which of the following description of the MUX VLAN in the Huawei switch is correct?
- A. The MUX VLAN is divided into a Principal VLAN and a Subordinate VLAN. The Subordinate VLAN is further divided into a Separate VLAN and an Isolate VLAN.
- B. Principal Port can communicate with all interfaces in the MUX VLAN
- C. Each Separate VLAN can be bound to multiple Principal VLANs
- D. In the same VLAN, the MUX VLAN can be mixed with the Super VLAN to use.
Which of the following statements are NOT true regarding the TCP sliding window? (Multiple Choice)
- A. The size of initial window is advertised by the sender.
- B. The sender need not transmit a full window's worth of data.
- C. If the retransmission timer expires but the sender has not received the acknowledgement, it will retransmit the unacknowledged data.
- D. The size of the sliding window can only increase or stay the same.
- E. TCP sliding window allows the transmission of multiple frames before waiting for an acknowledgement.
Router R1 runs the 0SPF protocol. Use the display ip routing-table command to view the routing table of the Router R1. Which of the following description is correct about the 0SPF information in the routing table?
- A. In the routing table, the routing entries identified by the "0_ASE" identifier can only be learned through routing.
- B. In the routing table, the routing entry identified by the "0SPF" identifier can only pass the LSA of class 1.
- C. In the routing table, the routing entries identified by the OSPF identifier can be learned through 1/2/3/5 LSAs.
- D. In the routing table, the routing entries identified by the "0SPF" identifier can only be learned through the Type 3 LSA.
In the command aggregate ipv4-address {mask | mask-length} [ as-set | attribute-policy route-policy-name1 | detail-suppressed | origin-policy route-policy-name2 | suppress-policy route-policy-name3], multiple parameters can be used to influence the summary route and its results. What is the correct description about this command?
- A. If Attribute-policy is configured, you can change the attributes of the aggregated route.
- B. If the Origin-policy is configured, only the detailed routes matching the Route-policy can participate in the aggregation.
- C. If the Suppress policy is configured, the aggregated route is generated. The if-match clause of the route-policy is used to select the detailed route to be suppressed. The detailed route matching the route-policy is still advertised to other BGP neighbors.
- D. If As-set is configured, AS_ATH of the summary route contains AS path information of all specific routes to prevent routing loops.
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