Free CCST IT Support practice exam

Correct Answer: Ransomware
Explanation: Ransomware is a malicious software that blocks access to a computer system or encrypts files, and then demands a ransom payment to restore access or decrypt the files.

Correct Answer: WPA2
Explanation: Wi-Fi Protected Access 2 (WPA2) uses the Advanced Encryption Standard (AES) and is the current industry standard for securing wireless networks. WPA3 is the newest standard but is not as widely adopted yet.

Correct Answer: A high-pitched whining or clicking sound.
Explanation: Mechanical hard drives (HDDs) have moving parts. A clicking, grinding, or whining sound is often an audible sign of a mechanical failure within the drive, such as the read/write head or a motor.

Correct Answer: Check the video cable connection between the computer and the monitor.
Explanation: A "No Signal" message indicates that the monitor is powered on but is not receiving a video signal from the computer. The most common cause is a loose or disconnected video cable.

Correct Answer: SSH
Explanation: Secure Shell (SSH) is a cryptographic network protocol used to securely connect to a remote server, execute commands, and transfer files. Telnet is insecure as it sends data in plaintext.

Correct Answer: The DNS server is not resolving the domain name. Explanation: The ability to ping the IP address means there is a network path to the destination. However, if the user cannot access the website by its domain name, it indicates a problem with the DNS server, which is responsible for translating the domain name to the IP address.

Correct Answer: Mount the .dmg file and drag the application icon to the Applications folder alias. Explanation: On macOS, a .dmg file is a disk image. When you open it, it mounts as a virtual drive. The standard installation method is to drag the application icon from the mounted disk image to the Applications folder alias that is typically included in the .dmg window.

Correct Answer: Right-click the folder, go to Properties > Sharing, and click the Share... button. Explanation: The "Share..." button in the folder's Properties dialog provides a simple wizard-like interface to quickly configure basic network sharing permissions for a folder.

Correct Answer: ipconfig Explanation: The ipconfig command on a Windows machine displays the current TCP/IP network configuration, including the IP address, subnet mask, and default gateway for all network interfaces.

Correct Answer: A malicious software program is running in the background.
Explanation: High CPU utilization is a classic symptom of a rogue process, often caused by malware or a poorly written application that has gone into an infinite loop, consuming all available processing power.