1) Which of the following are forms of malicious attack? a) Theft of information b) Modification of data c) Wiping of information d) All of the mentioned 2) What are common security threats? a) File Shredding b) File sharing and permission c) File corrupting d) File integrity 3) From the following, which is not a common file permission? a) Write b) Execute c) Stop d) Read 4) Which of the following is a good practice? a) Give full permission for remote transferring b) Grant read only permission c) Grant limited permission to specified account d) Give both read and write permission but not execute 5) What is not a good practice for user administration? a) Isolating a system after a compromise b) Perform random auditing procedures c) Granting privileges on a per host basis d) Using telnet and FTP for remote access 6) Which of the following is least secure method of authentication? a) Key card b) fingerprint c) retina pattern d) Password 7) Which of the following is a strong password? a) 19thAugust88 b) Delhi88 c) P@assw0rd d) !augustdelhi 8) What is not a best practice for password policy? a) Deciding maximum age of password b) Restriction on password reuse and history c) Password encryption d) Having to change password every 2 years 9) Ideally, what characters should you use in a password to make it strong? a) Letters and Numbers only b) Mixed Case (Upper and Lower) Characters c) Special Characters d) All of the above 10) How long should a strong password be? a) 8 Characters b) 15 Characters c) As long as possible d) It doesn’t matter

Operating System- User Security and authentication

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