GATE CSE 2017 Paper 2 — page 6

Questions 16–18 of 65. Imported answers require review unless explicitly marked reviewed.

Identify the language generated by the following grammar, where S is the start variable.

Your answerChoose one option.

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An ER model of a database consists of entity types A and B. These are connected by a relationship R which does not have its own attribute. Under which one of the following conditions, can the relational table for R be merged with that of A?

Your answerChoose one option.

Relationship R is one-to-many and the participation of A in R is total.

Relationship R is one-to-many and the participation of A in R is partial.

Relationship R is many-to-one and the participation of A in R is total.

Relationship R is many-to-one and the participation of A in R is partial.

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Consider socket API on a Linux machine that supports connected UDP sockets. A connected UDP socket is a UDP socket on which connect function has already been called. Which of the following statements is/are CORRECT?

I. A connected UDP socket can be used to communicate with multiple peers simultaneously. II. A process can successfully call connect function again for an already connected UDP socket.

Your answerChoose one option.

I only

II only

Both I and II

Neither I nor II

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2017 · Paper 2

Question 16

Question 17

Question 18