Suggested Answer:B🗳️
HTTP is a connection orientated protocol and therefore utilizes TCP Reference: https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol
Ans: B
HTTP uses TCP, for version HTTP/0.9 to HTTP/2
Note that this is getting false over the time, as HTTP3 is based on UDP (QUIC)
However, this is not based on the header, so this question is simply a bit outdated and the answer is still B
D
Theoretically, HTTP could use an alternative transport layer protocol to TCP, like UDP, but HTTP almost always uses TCP, which is connection-based and more reliable than UDP. It is favored by applications where the data must be reliable, relevant, and complete, for example a news story. UDP is a connectionless protocol and cannot retransmit lost data packets. However, UDP is faster than TCP and is often used in applications like video conferencing and streaming where small transfer hiccups are barely noticeable. However, the most recent draft version of HTTP, HTTP/3, addresses some of the issues in TCP and UDP, combining features from two protocols: HTTP/2 and QUIC over UDP. HTTP/3 is also called HTTP-over-QUIC.
My choice is D. The term "connection" depends on the context. The fact that one layer is connection-oriented doesn't force any other layer to be connection-oriented.
In HTTP/0.9 and 1.0, the connection is closed after a single request/response pair. In HTTP/1.1 a keep-alive-mechanism was introduced, where a connection could be reused for more than one request.
D??
In HTTP/0.9 and 1.0, the connection is closed after a single request/response pair. In HTTP/1.1 a keep-alive-mechanism was introduced, where a connection could be reused for more than one request. Such persistent connections reduce request latency perceptibly because the client does not need to re-negotiate the TCP 3-Way-Handshake connection after the first request has been sent. Another positive side effect is that, in general, the connection becomes faster with time due to TCP's slow-start-mechanism.
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