Computer System Security Week 6 quiz Solution [Cyber Security course on Prutor.ai]

Here you will get all the assignment and quiz solutions of Computer System Security Course by prutor.ai under the category Cyber Security. Prutor is an online smart tutoring platform which provides various MOOC courses for student and organised by by IIT Kharagpur. At the end of each course student gets a certificate for sucessfull  completion of each course but throughout the course students have to pass all the weekly assignments and quizes.

[1]Which of the following is the best possible name for backdoor virus?

• (a) stealth
• (b) Hidden key
• (c) Rootkit
• (d) Worm

Answer(c) Rootkit

[2] Once root access has been enabled, a rootkit may attempt to –

hide any traces of unauthorized access by modifying drivers or kernel moduleshiding certain filesquitting active processes     All of the above

Answer:- All of the above

[3] Binary rootkits and library rootkits are the examples of –

Kernel mode rootkitsUser mode rootkitsFirmware rootkitsNone of the above

Answer:- User mode rootkits

[4] Which of the following is not an attack tool?

Password crackerNetwork snifferAutorooterRootkit Revealer

Answer:- Rootkit Revealer

[5] Which of the following is incorrect for knark?

It hides/unhides files or directoriesIt hides TCP or UDP connectionsIt is a user-mode rootkitNone of the above

Answer:- It is a user mode rootkit

[6] Which of the following is the best characteristic of anomaly-based IDS?

It models the normal usage of network as a noise characterizationIt doesn’t detect novel attacksAnything distinct from the noise is not assumed to be intrusion activityIt detects based on signature

Answer:- It models the normal usage of network as a noise characterization

[7] What are drawbacks of signature-based IDS?

They are unable to detect novel attacksThey suffer from false alarmsThey have to be programmed again for every new pattern to be detectedAll of the mentioned

Answer:-All of the above mentioned

[8] What of the following is a characteristic of Host based IDS?

The host operating system logs in the audit informationLogs includes logins,file opens and program executionsLogs are analysed to detect trails of intrusionAll of the mentioned

Answer:- All of the above mentioned

[9] What are strengths of the host-based IDS?

Attack verificationSystem specific activityNo additional hardware requiredAll of the mentioned

Answer:-All of the above mentioned

[10] What of the following best characteristics stack based IDS ?

They are integrated closely with the TCP/IP stack and watch packetsThe host operating system logs in the audit informationIt is programmed to interpret a certain series of packetsIt models the normal usage of network as a noise characterization

Answer:- They are integrated closely with the TCP/IP stack watch packets

[11] Which of the following is correct for compartmentalization?

Break large monolithic over-privileged software into smaller components.Develop “fault compartments”, that each fail individuallyThe goal is that when one compartment fails, the others can still functionAll of the above

Answer:- All of the above

[12] Which of the following is correct for principle of least privilege?

Enforce minimal privileges for intended purpose.Drop privileges when you no longer need them.Both A and BNone of the above

Answer:- Both A and B

[13] ______ uses a typical Unix approach with a large monolithic server and is known for the high complexity and previous security vulnerabilities.

SendmailQmailBoth A and BNone of the above

Answer:- Sendmail

[14] Which of the following is a component of Qmail?

qmaild/”user”qmail-sendqmail-lspawnAll of the above

Answer:- All of the above

[15] In android process isolation, which process only run as root?

ZygotePingBoth A and BNone of the above

Answer:- Both A and B

Computer System Security 6th Week Solution is given below. the solution of Computer System Security 4rd Week Solution and all the answers are correct.