Which of the following is an example of a zero-day exploit?

An attack that occurs on the day a new software version is released.

An attack that targets a vulnerability unknown to the software maker.

An attack that exploits a well-known vulnerability.

An attack that happens when a user opens an email attachment.

In the context of data structures, what is a 'trie' primarily used for?

Storing a dynamic set of strings.

Which of the following best describes the concept of 'Polymorphism' in Object-Oriented Programming?

The ability of a variable, function, or object to take on multiple forms.

The process of inheriting properties from parent classes.

Encapsulation of data and functions into a single unit.

The division of a program into separate subroutines.

What is the primary function of the 'hypervisor' in virtualization?

To provide a platform for cloud computing services.

To manage and allocate resources to virtual machines.

To act as an intermediary between hardware and software.

To facilitate data encryption and security.

In machine learning, what is the 'bias-variance tradeoff'?

The tradeoff between training time and accuracy.

The tradeoff between model simplicity and performance.

The tradeoff between the complexity of the model and the error due to bias and variance.

The tradeoff between the number of features and the amount of data.

Which of the following best describes the principle of 'encapsulation' in Object-Oriented Programming?

Bundling the data and the methods that operate on the data within one unit, typically a class.

The ability of different classes to be treated as instances of the same class through inheritance.

The process of hiding the implementation details and showing only the functionality to the user.

The division of a program into separate, interchangeable components.

In the context of computer networks, what does the 'ping' command primarily do?

It establishes a secure connection to a remote server.

It tests the reachability of a host on an IP network and measures the round-trip time for messages sent from the originating host to a destination computer.

It monitors network traffic and detects intrusions.

It transfers files between computers on a network.

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