SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-2 ⋆ CSE Study247

SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-2

Questions 186-190 of 200

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Question 186

MCQ · Single Correct 1 mark

[Q.86] What is the main function of the ICMP protocol?

A Transfer files securely B Assign dynamic IP addresses C Send error messages and operational information regarding IP packet processing D Encrypt web traffic

Question 187

MCQ · Single Correct 1 mark

[Q.87] In HDLC or Data Link framing, what technique is used to prevent flag pattern (01111110) occurrence inside data bytes?

A Byte Stuffing B Parity Check C Checksumming D Bit Stuffing

Question 188

MCQ · Single Correct 1 mark

[Q.88] Which network topology connects all nodes directly to a central device such as a Switch or Hub?

A Bus Topology B Ring Topology C Mesh Topology D Star Topology

Question 189

MCQ · Single Correct 1 mark

[Q.89] What is the payload size of a standard ATM (Asynchronous Transfer Mode) cell?

A 53 bytes B 64 bytes C 48 bytes (Total cell size = 53 bytes) D 32 bytes

Question 190

MCQ · Single Correct 1 mark

[Q.90] Which protocol provides secure, encrypted web communication using TLS/SSL over port 443?

A HTTP B SSH C SFTP D HTTPS