NSS Engineer Interview Questions and Answers

SIP Methods/Requests and Responses are protocols used in Session Initiation Protocol for communication between devices.

• SIP Methods/Requests are used to initiate and control communication sessions.

• SIP Responses are used to provide feedback and status information during the session.

• Examples of SIP Methods/Requests include INVITE, ACK, BYE, and CANCEL.

• Examples of SIP Responses include 200 OK, 404 Not Found, and 503 Service Unavailable.

Early offer and Late offer are two negotiation methods used in Session Initiation Protocol (SIP) for establishing a media session.

• Early offer is when the caller includes the media capabilities in the initial INVITE message.

• Late offer is when the caller waits until the 200 OK response to include the media capabilities.

• Early offer allows the callee to make an informed decision about the media session upfront.

• Late offer allows the callee to negotiate the media session parameters...read more

SBC stands for Single Board Computer. It is a complete computer built on a single circuit board.

• SBC is a self-contained computer system with all the necessary components on a single board.

• It includes a processor, memory, storage, input/output interfaces, and other essential components.

• SBCs are commonly used in embedded systems, IoT devices, and industrial applications.

• Examples of SBCs include Raspberry Pi, Arduino, and BeagleBone.

PSX stands for PlayStation X, a gaming console developed by Sony.

• PSX is a gaming console released by Sony in 2003.

• It was a redesigned version of the original PlayStation console.

• The PSX featured a built-in DVD recorder and hard drive for recording television programs.

• It was only released in Japan and had limited success in the market.