Seonglae ChoMidterm structure
Write the answer on paper using a pen. Then take a photo of your answer sheet and upload it to LearnUs. Submit your answer within 3 minutes after the end of the exam. All students should upload the answer sheet at the same time. Do not use a keyboard.
- 25 True/False questions (+2 for correct answer, -1 for each wrong answer)
- 10 short answer question (+5 for each answer)
True/False
- In packet switching networks, out-of-order packet delivery is caused by the fluctuation of queuing delay at the routers
- following multiple paths through a network, by lower-layer retransmission procedures, or via parallel processing paths within network equipment - True (Packet queueing delay)
- Under the stop-and-wait reliable transport protocol, the packet sequence number is not necessary - False ()
Short answer
- Explain the purpose of the connect() call in the Socket API
- TCP adopts the combination of GBN(Go-Back-N) and ‘pipelining’. Explain what happens if the pipeline depth is too large