Danny received this email message today.
What happened to Danny’s computer?
A. The data is being downloaded, and Danny should disconnect from the network.
B. Danny has received a fake security alert pop-up.
C. This is a real alert, and Danny should call the number provided.
D. Danny’s web browser has been hijacked by a virus.
Answer: B
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Read the following scenario. Provide the command(s) in context of the environment established in the scenario. Write your answers on the line under each question.
- Your current directory is your home directory - You have a file named junk in your home directory - The remote host name is: unix.university.edu 1. Connect to the remote host using the telnet command. 2. Check the status of the connection 3. Display the operating parameters 4. Switch from remote host screen back to the telnet screen 5. Switch from telnet screen to the remote host screen. 6. Close the telnet connection 7. Open the telnet connection using the open command 8. Close the telnet connection 9. Copy junk to the current directory on the remote host and call it AotherJunk 10. Copy AnotherJunk from remote host to your home directory 11. Run a shell on the remote host 12. Exit the remote shell 13. Run a shell on the remote host and list your current directory 14. Log into the remote host . 15. Check who you are 16. Close connection to the remote host
Case 9-1Sid is creating a Web site featuring a slide show of his trip to Italy and plans to use both an array and a function to start the slide show automatically.First, Sid defines a four-element image array to contain the four graphics that make up the slide show. The array elements will be numbered ____.
A. 0 to 3 B. 0 to 4 C. 1 to 4 D. 1 to 5
Employers in the information technology field tend to prefer candidates who have earned relevant certifications.
a. true b. false
Digital photographs consist of thousands of dots, or ________, that form images.
A. bitmaps B. rasters C. pixels D. vectors