Routing (BGP/OSPF/static) interview questions

66 real Routing (BGP/OSPF/static) questions from the Networking bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is Static route?

Junior
  1. A.a logical grouping of routers that limits the scope of link-state flooding
  2. B.the rule that the most specific matching route in the table is preferred
  3. C.injecting routes learned by one routing protocol into another
  4. D.a manually configured route to a destination network that does not change automatically
Reveal the answer + AI explanation — free account

3. Which statement is correct?

Junior
  1. A.Static route — choosing a designated and backup designated router to reduce adjacencies on a broadcast segment
  2. B.Static route — a protocol like RIP where routers advertise full routing tables to neighbors by hop count
  3. C.Static route — a manually configured route to a destination network that does not change automatically
  4. D.Static route — a protocol where routers flood link information and independently compute shortest paths
Reveal the answer + AI explanation — free account

4. What is Default route 0.0.0.0/0?

Junior
  1. A.an attribute setting preferred outbound paths within an autonomous system, higher wins
  2. B.a Link-State Advertisement describing a router's links, flooded throughout an area
  3. C.a catch-all route used when no more specific route matches a destination
  4. D.distributing traffic across multiple routes of identical metric for load sharing
Reveal the answer + AI explanation — free account

6. Which statement is correct?

Junior
  1. A.Default route 0.0.0.0/0 — a protocol where routers flood link information and independently compute shortest paths
  2. B.Default route 0.0.0.0/0 — a value ranking the trustworthiness of a routing source when multiple routes exist
  3. C.Default route 0.0.0.0/0 — a catch-all route used when no more specific route matches a destination
  4. D.Default route 0.0.0.0/0 — an attribute setting preferred outbound paths within an autonomous system, higher wins
Reveal the answer + AI explanation — free account

7. What is Routing table?

Junior
  1. A.the set of known networks and next-hops a router uses to forward packets
  2. B.the IP address of the adjacent router a packet is forwarded to toward its destination
  3. C.distributing traffic across multiple routes of identical metric for load sharing
  4. D.a manually configured route to a destination network that does not change automatically
Reveal the answer + AI explanation — free account

9. Which statement is correct?

Junior
  1. A.Routing table — a manually configured route to a destination network that does not change automatically
  2. B.Routing table — a backup static route with a high administrative distance used only if the primary fails
  3. C.Routing table — a value ranking the trustworthiness of a routing source when multiple routes exist
  4. D.Routing table — the set of known networks and next-hops a router uses to forward packets
Reveal the answer + AI explanation — free account

10. What is Next hop?

Junior
  1. A.a globally unique identifier for a network under a single routing administration in BGP
  2. B.the rule that the most specific matching route in the table is preferred
  3. C.the IP address of the adjacent router a packet is forwarded to toward its destination
  4. D.distributing traffic across multiple routes of identical metric for load sharing
Reveal the answer + AI explanation — free account

12. Which statement is correct?

Junior
  1. A.Next hop — the IP address of the adjacent router a packet is forwarded to toward its destination
  2. B.Next hop — injecting routes learned by one routing protocol into another
  3. C.Next hop — a router that re-advertises iBGP routes to avoid a full mesh of peers
  4. D.Next hop — automatically learning and updating routes via a routing protocol
Reveal the answer + AI explanation — free account

13. What is OSPF?

Mid
  1. A.a logical grouping of routers that limits the scope of link-state flooding
  2. B.a link-state interior gateway protocol that uses Dijkstra's algorithm and cost as metric
  3. C.a value ranking the trustworthiness of a routing source when multiple routes exist
  4. D.a backup static route with a high administrative distance used only if the primary fails
Reveal the answer + AI explanation — free account

15. Which statement is correct?

Mid
  1. A.OSPF — a link-state interior gateway protocol that uses Dijkstra's algorithm and cost as metric
  2. B.OSPF — a logical grouping of routers that limits the scope of link-state flooding
  3. C.OSPF — a manually configured route to a destination network that does not change automatically
  4. D.OSPF — a globally unique identifier for a network under a single routing administration in BGP
Reveal the answer + AI explanation — free account

16. What is BGP?

Mid
  1. A.a logical grouping of routers that limits the scope of link-state flooding
  2. B.the path-vector exterior gateway protocol that exchanges routing between autonomous systems
  3. C.the rule that the most specific matching route in the table is preferred
  4. D.a Link-State Advertisement describing a router's links, flooded throughout an area
Reveal the answer + AI explanation — free account

18. Which statement is correct?

Mid
  1. A.BGP — the path-vector exterior gateway protocol that exchanges routing between autonomous systems
  2. B.BGP — injecting routes learned by one routing protocol into another
  3. C.BGP — a router that re-advertises iBGP routes to avoid a full mesh of peers
  4. D.BGP — a manually configured route to a destination network that does not change automatically
Reveal the answer + AI explanation — free account

19. What is Administrative distance?

Mid
  1. A.a Link-State Advertisement describing a router's links, flooded throughout an area
  2. B.a value ranking the trustworthiness of a routing source when multiple routes exist
  3. C.the list of autonomous systems a route has traversed, used for loop prevention and selection
  4. D.an attribute setting preferred outbound paths within an autonomous system, higher wins
Reveal the answer + AI explanation — free account

21. Which statement is correct?

Mid
  1. A.Administrative distance — a globally unique identifier for a network under a single routing administration in BGP
  2. B.Administrative distance — the path-vector exterior gateway protocol that exchanges routing between autonomous systems
  3. C.Administrative distance — a value ranking the trustworthiness of a routing source when multiple routes exist
  4. D.Administrative distance — choosing a designated and backup designated router to reduce adjacencies on a broadcast segment
Reveal the answer + AI explanation — free account

22. What is Longest prefix match?

Mid
  1. A.the IP address of the adjacent router a packet is forwarded to toward its destination
  2. B.automatically learning and updating routes via a routing protocol
  3. C.a protocol where routers flood link information and independently compute shortest paths
  4. D.the rule that the most specific matching route in the table is preferred
Reveal the answer + AI explanation — free account

24. Which statement is correct?

Mid
  1. A.Longest prefix match — the rule that the most specific matching route in the table is preferred
  2. B.Longest prefix match — the state where all routers share a consistent view of the network topology
  3. C.Longest prefix match — the list of autonomous systems a route has traversed, used for loop prevention and selection
  4. D.Longest prefix match — a protocol where routers flood link information and independently compute shortest paths
Reveal the answer + AI explanation — free account

25. What is OSPF area?

Mid
  1. A.a value ranking the trustworthiness of a routing source when multiple routes exist
  2. B.the rule that the most specific matching route in the table is preferred
  3. C.a logical grouping of routers that limits the scope of link-state flooding
  4. D.a link-state interior gateway protocol that uses Dijkstra's algorithm and cost as metric
Reveal the answer + AI explanation — free account

27. Which statement is correct?

Mid
  1. A.OSPF area — a value ranking the trustworthiness of a routing source when multiple routes exist
  2. B.OSPF area — a logical grouping of routers that limits the scope of link-state flooding
  3. C.OSPF area — injecting routes learned by one routing protocol into another
  4. D.OSPF area — the IP address of the adjacent router a packet is forwarded to toward its destination
Reveal the answer + AI explanation — free account

28. What is Autonomous System Number (ASN)?

Senior
  1. A.distributing traffic across multiple routes of identical metric for load sharing
  2. B.a globally unique identifier for a network under a single routing administration in BGP
  3. C.a protocol like RIP where routers advertise full routing tables to neighbors by hop count
  4. D.an attribute setting preferred outbound paths within an autonomous system, higher wins
Reveal the answer + AI explanation — free account

29. Which term means: "a globally unique identifier for a network under a single routing administration in BGP"?

Senior
  1. A.Convergence
  2. B.Route redistribution
  3. C.Equal-cost multipath (ECMP)
  4. D.Autonomous System Number (ASN)
Reveal the answer + AI explanation — free account

30. Which statement is correct?

Senior
  1. A.Autonomous System Number (ASN) — a link-state interior gateway protocol that uses Dijkstra's algorithm and cost as metric
  2. B.Autonomous System Number (ASN) — the rule that the most specific matching route in the table is preferred
  3. C.Autonomous System Number (ASN) — the IP address of the adjacent router a packet is forwarded to toward its destination
  4. D.Autonomous System Number (ASN) — a globally unique identifier for a network under a single routing administration in BGP
Reveal the answer + AI explanation — free account

Showing 30 of 66 Routing (BGP/OSPF/static) questions — the full set, with answers, explanations and an AI tutor on every question, is inside.

Free to start

Answers, AI explanations, and a scored voice mock interview

Sign up free to check your answers with explanations, ask the AI tutor anything on any question, and take one full AI mock interview — scored like a real panel.

Practice Routing (BGP/OSPF/static) free