ITF+ Day 4 Practice Questions

A function is BEST used for enabling programs to:

• hold a list of numbers.

• be divided into reusable components.

• define needed constant values.

• define variables to hold different values.

Answer explanation

Functions are best used for enabling programs to be divided into reusable components, allowing for modular and efficient code organization and execution.

During a power outage, a server with redundant power supplies shuts down despite being connected to a UPS. The technician determines that the UPS has failed and replaces it. The technician then separates the power supplies to connect them to two separate UPSs. Which of the following troubleshooting steps did the technician just accomplish?

• Implement preventive measures.

• Establish a plan of action.

• Document findings/lessons learned.

• Test the theory to determine the cause.

Answer explanation

The technician implemented preventive measures by separating the power supplies to connect them to two separate UPSs, ensuring redundancy in case of future UPS failures.

A security administrator is adding accounting features to a web application. Which of the following would be the BEST action?

• Enhance the granularity of user permissions.

• Enable an audit log.

• Implement smart card login.

• Adopt a procedure for adding accounts.

Answer explanation

Enabling an audit log is the best action as it allows tracking and monitoring of user activities, providing accountability and enhancing security measures.

A regulation requires new applicants to provide a scan of their retinas in case of any future legal questions regarding who applied for the position. Which of the following concepts is this an example of?

• Non-repudiation

• Authentication

• Integrity

• Accounting

Answer explanation

Non-repudiation is a security concept that refers to the ability to prove the origin and authenticity of an action or communication, such as an email or a document. Non-repudiation prevents someone from denying their involvement or responsibility for something they have done or sent. Non-repudiation can be achieved by using methods such as digital signatures encryption, timestamps, or biometric data. For example, scanning the retinas of new applicants can provide non-repudiation in case of any future legal questions regarding who applied for the position.

An end user reports seeing the old company intranet site and not the recently released updated version. Which of the following would MOST likely solve the problem?

• Clear browser cache.

• Change "http" to "https" in the URL.

• Disable all add-ons.

• Enable pop-up blockers.

Answer explanation

Clearing the browser cache would likely solve the issue of seeing the old company intranet site instead of the updated version.

Ann, a user, is experiencing difficulty getting her IP-based security camera to function at her house after a rain storm that caused a power interruption. The camera has an LED light indicating it has power. Which of the following is MOST likely the problem?

• The power interruption caused the camera to malfunction.

• Ann has a compatibility problem with the camera.

• A firmware update needs to be applied to the camera.

• Ann's Internet connection and wireless router are still down.

Answer explanation

The correct choice is Ann's Internet connection and wireless router are still down, which is the most likely reason for the camera not functioning after the power interruption.

Which of the following language types would a web developer MOST likely use to create a website?

• Interpreted

• Query

• Compiled

• Assembly

Answer explanation

A web developer would most likely use an Interpreted language to create a website as it allows for faster development and easier debugging compared to Compiled or Assembly languages.

A systems administrator wants to run a script but does not have access to the graphical user interface. Which of the following can be used to run scripts?

• Text editor

• Word processor

• Command line

• Spreadsheet

Answer explanation

The correct choice is the Command line, which can be used to run scripts without the need for a graphical user interface.

Which of the following relational database constructs is used to ensure valid values are entered for a column?

• Schema

• Permissions

• Constraint

• Column

Answer explanation

Constraints are used to ensure valid values are entered for a column in a relational database, making it the correct choice in this scenario.

Which of the following is used for assigning IP addresses to networking devices?

• SMTP

• DHCP

• DNS

• ARP

Answer explanation

DHCP is used for assigning IP addresses to networking devices.