IT Essentials: Chapter 12

A user calls the help desk reporting that a laptop is not performing as expected. Upon checking the laptop, a technician notices that some system files have been renamed and file permissions have changed. What could cause these problems?

The laptop is infected by a virus.

What are two physical security precautions that a business can take to protect its computers and systems? (Choose two.)

Implement Biometric Authentication Lock doors to telecommunication rooms.

What security measure can be used to encrypt the entire volume of a removable drive?

BitLocker To Go

Which two Windows default groups are allowed to back up and restore all files, folders, and subfolders regardless of what permissions are assigned to those files and folders? (Choose two.)

Administrators Backup Operators

Port triggering has been configured on a wireless router. Port 25 has been defined as the trigger port and port 113 as an open port. What effect does this have on network traffic?

All traffic that is sent out port 25 will open port 113 to allow inbound traffic into the internal network through port 113.

A user is browsing the Internet when a rogue pop-up warning message appears indicating that malware has infected the machine. The warning message window is unfamiliar, and the user knows that the computer is already protected by antimalware software. What should the user do in this situation?

Close the browser tab or window.

Which type of attack involves the misdirection of a user from a legitimate web site to a fake web site?

DNS Poisoning

The XYZ company has decided to upgrade some of its older PCs. What precaution should the company take before the disposal of the remaining older computers?

Data wipe the hard drive.

Which action would help a technician to determine if a denial of service attack is being caused by malware on a host?

Disconnect the host from the network.

A technician is troubleshooting a computer security issue. The computer was compromised by an attacker as a result of the user having a weak password. Which action should the technician take as a preventive measure against this type of attack happening in the future?

Ensure the security policy is being enforced.

Which two security precautions will help protect a workplace against social engineering? (Choose two.)

Ensuring that each use of an access card allows access to only one user at the time Registering and escorting all visitors to the premises

Which password is the strongest?

Gd^7123e!*

A manager approaches a PC repair person with the issue that users are coming in to the company in the middle of the night to play games on their computers. What might the PC repair person do to help in this situation?

Limit the login times.

Which Windows Firewall option allows the user to manually allow access to the ports required for an application to be allowed to run?

Manage security settings

Which two file-level permissions allow a user to delete a file? (Choose two.)

Modify Full Control

Which type of security threat uses email that appears to be from a legitimate sender and asks the email recipient to visit a website to enter confidential information?

Phishing

Which two security procedures are best practices for managing user accounts? (Choose two.)

Restrict the time of day that users can log into a computer. Limit the number of failed login attempts.

A virus has infected several computers in a small office. It is determined that the virus was spread by a USB drive that was shared by users. What can be done to prevent this problem?

Set the antivirus software to scan removable media.

It has been noted that the computers of employees who use removable flash drives are being infected with viruses and other malware. Which two actions can help prevent this problem in the future? (Choose two.)

Set virus protection software to scan removable media when data is accessed. Disable the autorun feature in the operating system.

What is the name given to the programming-code patterns of viruses?

Signatures

What is the most effective way of securing wireless traffic?

WPA2

Which three questions should be addressed by organizations developing a security policy? (Choose three.)

What assets require protection? What is to be done in the case of security breach? What are the possible threats to the assets of the organization?

Which question would be an example of an open-ended question that a technician might ask when troubleshooting a security issue?

What symptoms are you experiencing?

In what situation will a file on a computer using Windows 8.1 keep its original access permissions?

When it is moved to the same volume.

What is the minimum level of Windows security required to allow a local user to restore backed up files?

Write

Which two characteristics describe a worm? (Choose two.)

is self-replicating travels to new computers without any intervention or knowledge of the user

What is the purpose of the user account idle timeout setting?

to log a user out of a computer after a specified amount of time

What is the primary goal of a DoS attack?

to prevent the target server from being able to handle additional requests