24 VPN & Tunneling questions from the Networking bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.encapsulating one network protocol's packets inside another for transport across an intermediate network
B.encrypting the entire original IP packet and wrapping it in a new IP header between gateways
C.a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
D.a Cisco design that builds dynamic, on-demand IPsec tunnels between spokes in a hub-and-spoke topology
Answer + AI explanation with Pro
2. Which term means: "encapsulating one network protocol's packets inside another for transport across an intermediate network"?
Junior
A.Tunneling
B.IPsec tunnel mode
C.DMVPN
D.WireGuard
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Tunneling — encrypting only the payload of an IP packet while leaving the original header intact
B.Tunneling — a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
C.Tunneling — encapsulating one network protocol's packets inside another for transport across an intermediate network
D.Tunneling — encrypting the entire original IP packet and wrapping it in a new IP header between gateways
Answer + AI explanation with Pro
4. What is Split tunneling?
Junior
A.routing only specific traffic through the VPN while the rest goes directly to the Internet
B.a Cisco design that builds dynamic, on-demand IPsec tunnels between spokes in a hub-and-spoke topology
C.a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
D.encrypting the entire original IP packet and wrapping it in a new IP header between gateways
Answer + AI explanation with Pro
5. Which term means: "routing only specific traffic through the VPN while the rest goes directly to the Internet"?
Junior
A.IPsec transport mode
B.SSL VPN
C.Split tunneling
D.DMVPN
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.Split tunneling — encrypting the entire original IP packet and wrapping it in a new IP header between gateways
B.Split tunneling — encrypting only the payload of an IP packet while leaving the original header intact
C.Split tunneling — routing only specific traffic through the VPN while the rest goes directly to the Internet
D.Split tunneling — encapsulating one network protocol's packets inside another for transport across an intermediate network
Answer + AI explanation with Pro
7. What is IPsec tunnel mode?
Mid
A.a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
B.encrypting the entire original IP packet and wrapping it in a new IP header between gateways
C.the protocol that negotiates security associations and keys for IPsec tunnels
D.a Cisco design that builds dynamic, on-demand IPsec tunnels between spokes in a hub-and-spoke topology
Answer + AI explanation with Pro
8. Which term means: "encrypting the entire original IP packet and wrapping it in a new IP header between gateways"?
Mid
A.IPsec tunnel mode
B.IKE (Internet Key Exchange)
C.WireGuard
D.IPsec transport mode
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.IPsec tunnel mode — a Cisco design that builds dynamic, on-demand IPsec tunnels between spokes in a hub-and-spoke topology
B.IPsec tunnel mode — the protocol that negotiates security associations and keys for IPsec tunnels
C.IPsec tunnel mode — encrypting the entire original IP packet and wrapping it in a new IP header between gateways
D.IPsec tunnel mode — a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
Answer + AI explanation with Pro
10. What is IPsec transport mode?
Mid
A.routing only specific traffic through the VPN while the rest goes directly to the Internet
B.the protocol that negotiates security associations and keys for IPsec tunnels
C.a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
D.encrypting only the payload of an IP packet while leaving the original header intact
Answer + AI explanation with Pro
11. Which term means: "encrypting only the payload of an IP packet while leaving the original header intact"?
Mid
A.IPsec transport mode
B.WireGuard
C.SSL VPN
D.IPsec tunnel mode
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.IPsec transport mode — routing only specific traffic through the VPN while the rest goes directly to the Internet
B.IPsec transport mode — encrypting only the payload of an IP packet while leaving the original header intact
C.IPsec transport mode — a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
D.IPsec transport mode — encrypting the entire original IP packet and wrapping it in a new IP header between gateways
Answer + AI explanation with Pro
13. What is IKE (Internet Key Exchange)?
Mid
A.the protocol that negotiates security associations and keys for IPsec tunnels
B.a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
C.encrypting only the payload of an IP packet while leaving the original header intact
D.a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
Answer + AI explanation with Pro
14. Which term means: "the protocol that negotiates security associations and keys for IPsec tunnels"?
Mid
A.IKE (Internet Key Exchange)
B.IPsec transport mode
C.DMVPN
D.IPsec tunnel mode
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.IKE (Internet Key Exchange) — a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
B.IKE (Internet Key Exchange) — the protocol that negotiates security associations and keys for IPsec tunnels
C.IKE (Internet Key Exchange) — a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
D.IKE (Internet Key Exchange) — encapsulating one network protocol's packets inside another for transport across an intermediate network
Answer + AI explanation with Pro
16. What is WireGuard?
Mid
A.encrypting the entire original IP packet and wrapping it in a new IP header between gateways
B.a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
C.a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
D.a Cisco design that builds dynamic, on-demand IPsec tunnels between spokes in a hub-and-spoke topology
Answer + AI explanation with Pro
17. Which term means: "a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP"?
Mid
A.WireGuard
B.Split tunneling
C.IPsec tunnel mode
D.IPsec transport mode
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.WireGuard — encrypting the entire original IP packet and wrapping it in a new IP header between gateways
B.WireGuard — encrypting only the payload of an IP packet while leaving the original header intact
C.WireGuard — a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
D.WireGuard — encapsulating one network protocol's packets inside another for transport across an intermediate network
Answer + AI explanation with Pro
19. What is SSL VPN?
Senior
A.a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
B.encrypting only the payload of an IP packet while leaving the original header intact
C.encapsulating one network protocol's packets inside another for transport across an intermediate network
D.a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
Answer + AI explanation with Pro
20. Which term means: "a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client"?
Senior
A.SSL VPN
B.IKE (Internet Key Exchange)
C.DMVPN
D.Split tunneling
Answer + AI explanation with Pro
21. Which statement is correct?
Senior
A.SSL VPN — routing only specific traffic through the VPN while the rest goes directly to the Internet
B.SSL VPN — a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
C.SSL VPN — a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
D.SSL VPN — encrypting only the payload of an IP packet while leaving the original header intact
Answer + AI explanation with Pro
22. What is DMVPN?
Senior
A.encrypting the entire original IP packet and wrapping it in a new IP header between gateways
B.a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
C.a Cisco design that builds dynamic, on-demand IPsec tunnels between spokes in a hub-and-spoke topology
D.a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
Answer + AI explanation with Pro
23. Which term means: "a Cisco design that builds dynamic, on-demand IPsec tunnels between spokes in a hub-and-spoke topology"?
Senior
A.Tunneling
B.DMVPN
C.IPsec tunnel mode
D.Split tunneling
Answer + AI explanation with Pro
24. Which statement is correct?
Senior
A.DMVPN — a modern VPN protocol using fixed cryptographic primitives and a small codebase over UDP
B.DMVPN — a Cisco design that builds dynamic, on-demand IPsec tunnels between spokes in a hub-and-spoke topology
C.DMVPN — encapsulating one network protocol's packets inside another for transport across an intermediate network
D.DMVPN — a remote-access VPN that tunnels traffic over TLS, often through a browser or lightweight client
Answer + AI explanation with Pro
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