freeCodeCamp/curriculum/challenges/chinese/09-information-security/python-for-penetration-testing/understanding-sockets-and-creating-a-tcp-server.md

---
id: 5ea9997bbec2e9bc47e94daf
challengeType: 11
videoId: F1QI9tNuDQg
dashedName: understanding-sockets-and-creating-a-tcp-server
---

# --question--

## --text--

Which of the following functions creates a socket object?

## --answers--

`socket.bind((host, port))`

---

`socket.gethostbyname()`

---

`socket.socket(socket.AF_INET, socket.SOCK_STREAM)`

## --video-solution--

3
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`---`
			`id: 5ea9997bbec2e9bc47e94daf`
			`challengeType: 11`
			`videoId: F1QI9tNuDQg`
feat(curriculum): restore seed + solution to Chinese (#40683) * feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com> 2021-01-13 03:31:00 +01:00			`dashedName: understanding-sockets-and-creating-a-tcp-server`
fix: QA/Infosec update and python to chinese 2020-08-13 12:00:20 +02:00			`---`

chore(learn): Applied MDX format to Chinese curriculum files (#40462) 2020-12-16 00:37:30 -07:00			`# --question--`

			`## --text--`

			`Which of the following functions creates a socket object?`

			`## --answers--`

			`socket.bind((host, port))`

			`---`

			`socket.gethostbyname()`

			`---`

			`socket.socket(socket.AF_INET, socket.SOCK_STREAM)`

			`## --video-solution--`

			`3`