Previous 10 Questions — JECA MCA 2025
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In an entity relationship, y is the dominant entity and x is a subordinate entity. Then which one is incorrect?
Topic: JECA MCA 2025
There is a possibility of a cascading rollback when
Topic: JECA MCA 2025
A functional dependency of the form X → Y is trivial if
Topic: JECA MCA 2025
A data dictionary is a special file that contains
Topic: JECA MCA 2025
Which device is used to connect multiple devices within the same network segment and operates at the data link layer?
Topic: JECA MCA 2025
Which attack involves intercepting and altering communication between two parties without their knowledge?
Topic: JECA MCA 2025
What does a firewall primarily do?
Topic: JECA MCA 2025
Which application layer protocol is primarily used for sending email?
Topic: JECA MCA 2025
The IP address 10.5.6.7 belongs to which class?
Topic: JECA MCA 2025
Which field in the IPv4 header helps uniquely identify fragments of a datagram so they can be reassembled correctly?
Topic: JECA MCA 2025
Next 10 Questions — JECA MCA 2025
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If one attribute is a determinant of a second, which in turn is a determinant of a third, then the relation cannot be
Topic: JECA MCA 2025
Which of the following statements regarding relational algebra are true? (i) R ⋈ S = σ(R×S) (ii) R ⋈ S = Π(R×…
Topic: JECA MCA 2025
Which process model is best suited when requirements are well understood and unlikely to change?
Topic: JECA MCA 2025
Which testing strategy is performed without knowledge of the internal code?
Topic: JECA MCA 2025
Which design principle aims to reduce dependencies between modules?
Topic: JECA MCA 2025
Correct sequence of Risk Management process is
Topic: JECA MCA 2025
Which of the following testing methods is normally used as the acceptance test for a software system?
Topic: JECA MCA 2025
Which of the following is not a supervised machine learning algorithm?
Topic: JECA MCA 2025
What is the key benefit of using deep learning for tasks like recognizing images?
Topic: JECA MCA 2025
What is the key difference between supervised and unsupervised learning?
Topic: JECA MCA 2025
