Question:
Which among the following is an interior gateway routing protocol?
Which among the following is an interior gateway routing protocol?
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IGP Examples: OSPF, RIP, EIGRP
EGP Example: BGP
Updated On: Jun 25, 2026
- BGP
- OSPF
- PPP
- HTTP
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The Correct Option is B
Solution and Explanation
Concept:
Routing protocols are classified into:
• Interior Gateway Protocols (IGP)
• Exterior Gateway Protocols (EGP) IGPs are used within a single autonomous system.
Step 1: Understand OSPF.
OSPF stands for: \[ \text{Open Shortest Path First} \] It is a link-state routing protocol used inside an autonomous system.
Step 2: Analyze other options.
BGP is an Exterior Gateway Protocol. PPP is a data-link protocol. HTTP is an application layer protocol.
Step 3: Select the answer.
Thus, \[ \boxed{\text{OSPF}} \] is an Interior Gateway Routing Protocol.
• Interior Gateway Protocols (IGP)
• Exterior Gateway Protocols (EGP) IGPs are used within a single autonomous system.
Step 1: Understand OSPF.
OSPF stands for: \[ \text{Open Shortest Path First} \] It is a link-state routing protocol used inside an autonomous system.
Step 2: Analyze other options.
BGP is an Exterior Gateway Protocol. PPP is a data-link protocol. HTTP is an application layer protocol.
Step 3: Select the answer.
Thus, \[ \boxed{\text{OSPF}} \] is an Interior Gateway Routing Protocol.
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