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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Cutover | 7% | - Pre-cutover verification - Implementation and rollback strategy - Post-cutover validation - Cutover planning and risk assessment |
| Topic 2: IPv6 Routing | 20% | - BGP4+ for IPv6 - IPv6 address planning and configuration - OSPFv3 and IS-IS for IPv6 - Transition mechanisms (dual-stack, tunnel, translation) |
| Topic 3: Advanced Ethernet Technologies | 10% | - VLAN aggregation and MUX VLAN - QinQ and VLAN mapping - Ethernet link aggregation and reliability - Port isolation and security features |
| Topic 4: Advanced IGP Features | 17% | - IS-IS advanced features
|
| Topic 5: Advanced BGP Features | 10% | - Routing policies and filtering - BGP multi-homing and load balancing - Route reflectors and confederations - BGP route selection and attributes |
| Topic 6: MPLS Technologies | 19% | - MPLS OAM and protection - LDP and RSVP-TE protocols - MPLS fundamentals and label distribution - MPLS VPN (L3VPN, L2VPN) |
| Topic 7: Network Troubleshooting | 10% | - Switching and link fault handling - Performance and service fault resolution - Structured troubleshooting methodology - Routing protocol fault diagnosis |
| Topic 8: Network O&M | 7% | - Network monitoring and performance analysis - Log and alarm management - Routine maintenance procedures - Configuration management and backup |
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NEW QUESTION # 17
Which of the following operations does a network engineer not need to perform when processing a single-hop BFD session Dom?
Answer: D
NEW QUESTION # 18
On the OSPF network shown in the figure, area 1 is an NSSA, area 2 is a common area, and R4 imports an external route 10.0.4.4/32. The router ID of each router is 10.0.X.X, where X is the router number. If the asbr-summary 10.0.4.0 255.255.255.0 command is run in the OSPF processes of R1 and R3, which of the following routers have the route 10.0.4.0/24 in their routing tables?
Answer: A,C
Explanation:
Step 1: Understanding OSPF Areas and Summarization
* Area 1 (NSSA - Not So Stubby Area)
* Allows external routes but converts Type-5 LSAs into Type-7 LSAs.
* External routes must be translated by an ABR into Type-5 LSAs before being propagated into other areas.
* Area 2 (Common Area - Regular OSPF Area)
* Supports both inter-area and external routes.
* asbr-summary 10.0.4.0 255.255.255.0 Command
* This command summarizes all external routes within 10.0.4.0/24 into a single summarized route.
* Since it is applied on R1 and R3, these routers will advertise 10.0.4.0/24 instead of 10.0.4.4/32 to their respective areas.
Step 2: Route Distribution Analysis
* R4 (Originating Router in NSSA - Area 1)
* R4 injects 10.0.4.4/32 as a Type-7 LSA into Area 1.
* R1 (ABR between Area 1 & Area 0, Summarizing Route)
* Since R1 is an ABR, it translates Type-7 LSAs from Area 1 into a summarized Type-5 LSA (10.0.4.0/24) for Area 0.
* # R1 has 10.0.4.0/24 in its routing table.
* R2 (Inside Backbone Area 0, No ASBR Summary Applied Here)
* R2 only receives Type-5 LSAs from R1 but does not summarize them.
* Since R2 is not explicitly summarizing, it will likely still see 10.0.4.4/32 rather than 10.0.4.0
/24.
* # R2 does not have 10.0.4.0/24.
* R3 (ABR between Area 0 & Area 2, Summarizing Route)
* R3 is also an ABR and has the asbr-summary 10.0.4.0/24 command configured.
* It will advertise the summarized route 10.0.4.0/24 into Area 2.
* # R3 has 10.0.4.0/24 in its routing table.
* R5 (Inside Area 2, No Direct Connectivity to External Routes)
* Since R3 summarizes 10.0.4.0/24, R5 (inside Area 2) will receive only summarized routes.
* # R5 has 10.0.4.0/24.
Final answer: # R1, R3 (Option A, C)
References:
* HCIP-Datacom-Advanced Routing & Switching Technology V1.0 - OSPF Route Summarization
* OSPF NSSA and Type-7 to Type-5 LSA Translation
NEW QUESTION # 19
If you want to check the files under Flash, which command should you use?
Answer: D
NEW QUESTION # 20
On the OSPFv3 network shown in the figure:
OSPFv3 is enabled on the interfaces connecting R1, R2, and R3. The router ID of each router is
10.0.X.X, where X is the number of the router. If you check detailed information about an LSA on R3, the command output shows that the LSA is generated by R2 and describes the IPv6 prefix address associated with the Router-LSA.
Is this statement TRUE or FALSE?
Answer: A
NEW QUESTION # 21
Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on PE?
Answer: C
NEW QUESTION # 22
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