Which of the following tools is used to hide secret data in text files and is based on the concept that spaces and tabs are generally not visible in text viewers and therefore a message can be effectively hidden without affecting the text's visual representation for the casual observer?

Mark works as a Network Administrator for Technet Inc. The company has a Windows 2003 domainbased network. The network has a file server that uses a RAID-5 volume. The RAID-5 volume is configured with five hard disk drives. Over the weekend, a drive in the RAID-5 volume fails. What will Mark do to restore the RAID-
5 volume?

You work as a Network Administrator for Infonet Inc. The company has a Windows Server 2008 Active Directory-based single domain single forest network. The functional level of the forest is Windows Server 2003. All client computers on the network run Windows XP Professional. You configure a public key infrastructure (PKI) on the network. You configure a root CA and a subordinate CA on the network. For security reasons, you want to take the root CA offline. You are required to configure the CA servers to support for certificate revocation. Choose the steps you will require to accomplish the task.

Which of the following is NOT a principle and practice of the 'Minimize the number of highconsequence targets' principle?

Which of the following protocols does IPsec use to perform various security functions in the network? Each correct answer represents a complete solution. Choose all that apply.