Top 5 Network Engineer Interview Topics

In this article, “Top 5 Network Engineer Interview Topics” I have tried to explain important topics and related concepts/questions that network engineers should prepare if they have to go for a service provider interview. The topics include BGP, IGP, Multicast, Broadband and MPLS. I hope that this video will help you in nailing SP interviews and securing good jobs. All the very best 🙂

Top 5 Network Engineer Interview Topics

1. BGP

– iBGP vs eBGP (eBGP Multi-hop)
– BGP Split Horizon Rule
– BGP Messages & Peering States
– BGP Route Reflectors
– BGP Attributes

2. IGP

– OSPF vs IS-IS
– OSI Addressing
– Areas vs Levels
– Neighbourships, Routers, Packets
– LSAs, Network Types

3. Multicast

– Multicast Addressing
– IGMP
– MDT (Source Tree vs Shared Tree)
– PIM (Sparse vs Dense), SSM
– Rendezvous Point, Anycast RP, RPF

4. Broadband

– PPPoE
– NAT, CPE configurations
– Access technologies, Core Network
– BRAS, LNS
– AAA

5. MPLS

– MPLS, MPLS Router Types
– MPLS Control Plane vs Data Plane
– MPLS Operations
– MPLS Header
– Label Distribution in MPLS

– MPLS VPNs (L2 vs L3)
– PWs, VPLS
– MP-BGP, BGP Free Core
– RDs vs RTs
– MPLS TE, RSVP

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Haider Khalid

IP MPLS & Enterprise Core Network Engineer, CCIE# 52939

Haider Khalid is an IP MPLS & Enterprise Core Network Engineer (CCIE# 52939) who has worked with several ISPs & Telecom operators in Pakistan, Middle East and the UK. He is always keen to learn new technologies and likes to share them with his peers and other people. In case of any questions or feedback, please feel free to drop a comment below or connect with him on LinkedIn.

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