Question
Following a minor blast near Delhi’s central business
district, several media outlets questioned the city’s preparedness against terror threats. The Home Ministry stated that the incident appeared “localised and non-terrorist,” possibly triggered by small improvised devices. However, counter-terror analysts argue that such low-intensity explosions are often used to test police response time and crowd panic levels. They emphasize that ignoring such events can encourage extremist groups to attempt larger coordinated strikes later. Which of the following, if true, most strongly strengthens the analysts claim that the blast was a precursor to a larger planned attack?Solution
Presence of individuals monitoring security response suggests a deliberate rehearsal or intelligence-gathering act, directly strengthening the analysts’ claim.
Shadow paging in recovery eliminates the need for:
Which of the following is a type of database index?
In relational algebra, the operation that combines tuples from two relations using common attribute values is:
What is the maximum number of processes that can be in the Ready state?
A transaction that reads a value then later sees a different value because another transaction updated and committed in between experiences which anomaly?
MVCC (Multi-Version Concurrency Control) ensures:
Which of the following is true about ACID properties in DBMS?
Which normal form removes partial dependency?
Which of the following is not part of the process control block (PCB)?
In an E-R Diagram, entities are typically represented by:
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