Explain how rescue media is used to boot a system.
What will be an ideal response?
If the system does not boot at all (e.g., due to a misconfigured /etc/fstab file or a damaged boot manager), rescue media (CDs, DVDs or USB keys) can be used to recover the system. Normally, these media boot a Linux system which you can log into as the root user without specifying a password. You should then be able to mount the file systems and have write access to all files to correct the configuration errors.
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What is a buffer overflow?
What will be an ideal response?
A security analyst is diagnosing an incident in which a system was compromised from an external IP address. The socket identified on the firewall was traced to207.46.130.0:6666. Which of the following should the security analyst do to determine if the compromised system still has an active connection?
A. tracert B. netstat C. ping D. nslookup
To append data to a file, it must already exist.
Answer the following statement true (T) or false (F)
How is data, or a value, retrieved from a data dictionary?
a. Using a key to find the associated value in a key-pair b. Data is retrieved from the front of the data dictionary c. Data is retrieved by traversing the list of elements d. Data is retrieved from within an array