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System Security Homework #2 Question 1 What is the last phase of the Information Lifecycle? Question 2 Which of the following is the most reliable authentication method for remote access (Choose only one)?     Variable callback system Synchronous token Fixed callback system Combination of callback and caller ID Question 3 Incident Response: What is the first priority when responding? Question 4 What is the main objective of proper separation of duties? Question 5 Which of the following is not a physical control for physical security (Choose only one)?     Lighting Fences Training Facility construction materials Question 6 What is the first phase of the Kill Chain? Question 7 Best practices call for the management of security permissions by (Choose only one):     User Department Role Group Question 8 NIST recommends user authentication by (Choose only one):     Password Passphrase Biometrics Callback Question 9 Precursors often provide an early warning of an information security incident. Which of the following would be considered a precursor event (Choose only one):     Compromised transactions Inaccessible systems Logs indicate a vulnerability scanner has been used against a system Corrupted backups Question 10 In the CIA triad, what does the letter A stand for? Question 11 Which of the following attacks could capture network user passwords (choose only one)?     Data diddling Sni ing IP Spoofing Smurfing Question 12 The most under-utilized source of information in many organizations is (choose only one):     SIEM tools Members of the workforce Log files SCADA systems Question 13 Bell-LaPadula model: No read up, no write down, is to protect (choose only one):     Integrity Availability Confidentiality Users Question 14 Access control is all about __________ and __________. Question 15 Privilege creep can occur when a person is (choose only one):     Promoted Fired Quits Retires Question 16 Who developed one of the first mathematical models of a multilevel-security computer system (choose only one)?     Di ie and Hellman Clark and Wilson Bell and LaPadula Gasser and Lipner Question 17 In an organization where there are frequent personnel changes, non-discretionary access control using Role Based Access Control (RBAC) is useful because (choose only one):     People need not use discretion. The access controls are based on the individual’s role or title within the organization. The access controls are not based on the individual’s role or title within the organization. The access controls are often based on the individual’s role or title within the organization. Question 18 A proper forensic investigation must rely on two kinds of experts: forensic investigators and (choose only one):     Cyber Security Professionals Human Resource Managers Corporate Accountants Legal Advisors Question 19 Why should batch files and scripts be stored in a protected area (choose only one)?     Because of the least privilege concept Because they cannot be accessed by operators Because they may contain credentials Because of the need-to-know concept Question 20 Which of the following provides no fault tolerance (choose only one)?     RAID 0 RAID 1 RAID 5 RAID 6

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