Computer Awareness for Upcoming Exams Set 101

Computer Awareness Questions for IBPS PO/Clerk, IBPS RRB, NIACL, NICL, RBI Assistant, UIICL, OICL, BoB and other competitive exams.

1. Which of the following is an ip address that is private (i.e. reserved for internal networks, and not a valid address to use on the internet)?
   A) 172.12.42.5
   B) 172.140.42.5
   C) 172.31.42.5
   D) 172.15.45.5
   
   View Answer

   Option C
   Some extra:
   The Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of the
   IP address space for private Internets – 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255,
   and 192.168.0.0 to 192.168.255.255- that are known as “global non-routable addresses.”
2. How long are IPv4 addresses?
   A) 32 bits long
   B) 64 bits long
   C) 128 bits long
   D) 16 bits long
   
   View Answer

   Option A
   
3. How long are IPv6 addresses?
   A) 32 bits long
   B) 64 bits long
   C) 128 bits long
   D) 16 bits long
   
   View Answer

   Option C
   
4. Which of the following ensures that security is not breached when a system crash or other system failure occurs?
   A) trusted recovery
   B) hot swappable
   C) redundancy
   D) secure boot
   
   View Answer

   Option A
   Some Extra:
   Trusted Recovery – When an operating system or application crashes or freezes, it should not put the sytem in any time of secure state.
5. What process determines who is trusted for a given purpose?
   A) Identification
   B) Authorization
   C) Authentication
   D) Accounting
   
   View Answer

   Option B
   Some Extra:
   Authorization determines who is trusted for a given purpose. More precisely, it
   determines whether a particular principal, who has been authenticated as the source of
   a request to do something, is trusted for that operation. Authorization may also
   include controls on the time at which something can be done (e.g. only during working
   hours) or the computer terminal from which it can be requested (e.g. only the one on
   the system administrator desk).
6. Which one of the following risk analysis terms characterizes the absence or weakness of a
   risk-reducing safegaurd?
   A) Threat
   B) Probability
   C) Vulnerability
   D) Loss expectancy
   
   View Answer

   Option C
7. Security procedures:
   A) will eliminate all computer security risk.
   B) can reduce but not eliminate risks.
   C) are prohibitively expensive.
   D) are inaccessible for the average home user.
   
   View Answer

   Option B
   
8. All of these are suggestions for safe computing EXCEPT:
   A) don’t borrow disks from other people.
   B) open all e-mail messages but open them slowly.
   C) download shareware and freeware with caution.
   D) disinfect your system
   
   View Answer

   Option B
   
9. Most computer systems rely solely on ___________ for authentication.
   A) logins
   B) passwords
   C) encryption
   D) lock and key
   
   View Answer

   Option B
10. To prevent the loss of data during power failures, use a(n):
    A) encryption program
    B) surge protector
    C) firewall
    D) UPS
    
    View Answer

    Option D
    

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