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| Question ID 19549 | Which of the following protocols are GRE VPN technology in the world's most used Internet |
| Option A | GRE |
| Question ID 19550 | Which of the following protocols are GRE VPN technology in the world's most used Internet |
| Option A | GRE |
| Option B | IPX |
| Option C | IP |
| Option D | TCP |
| Correct Answer | C |