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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will happen in a multi level directory structure?(a) the same previous techniques will be used as in the other structures(b) a mechanism for directory protection will have to applied(c) the subdirectories do not need protection once the directory is protected(d) none of the mentioned |
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Answer» Right choice is (b) a mechanism for directory protection will have to applied Best explanation: None. |
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| 2. |
What will happen in the two level directory structure?(a) each user has his/her own user file directory(b) the system doesn’t its own master file directory(c) all of the mentioned(d) none of the mentioned |
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Answer» Correct option is (a) each user has his/her own user file directory Best explanation: None. |
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| 3. |
When a user job starts in a two level directory system, or a user logs in _____________(a) the users user file directory is searched(b) the system’s master file directory is not searched(c) the master file directory is indexed by user name or account number, and each entry points to the UFD for that user(d) all of the mentioned |
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Answer» Right answer is (c) the master file directory is indexed by user name or account number, and each entry points to the UFD for that user The best explanation: None. |
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| 4. |
In which type of allocation method each file occupy a set of contiguous block on the disk?(a) contiguous allocation(b) dynamic-storage allocation(c) linked allocation(d) indexed allocation |
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Answer» Right choice is (a) contiguous allocation For explanation: None. |
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| 5. |
For large files, when the index itself becomes too large to be kept in memory?(a) index is called(b) an index is created for the index file(c) secondary index files are created(d) all of the mentioned |
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Answer» Correct answer is (b) an index is created for the index file To explain I would say: None. |
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| 6. |
What will happen in the single level directory?(a) all directories must have unique names(b) all files must have unique names(c) all files must have unique owners(d) all of the mentioned |
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Answer» Right choice is (b) all files must have unique names The explanation: None. |
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| 7. |
By using FAT, random access time is __________(a) the same(b) increased(c) decreased(d) not affected |
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Answer» Right choice is (c) decreased Easy explanation - None. |
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| 8. |
To organise file systems on disk _______________(a) they are split into one or more partitions(b) information about files is added to each partition(c) they are made on different storage spaces(d) all of the mentioned |
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Answer» The correct choice is (b) information about files is added to each partition Best explanation: None. |
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| 9. |
What will happen in the single level directory?(a) All files are contained in different directories all at the same level(b) All files are contained in the same directory(c) Depends on the operating system(d) None of the mentioned |
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Answer» The correct option is (b) All files are contained in the same directory Explanation: None. |
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| 10. |
What is the real disadvantage of a linear list of directory entries?(a) size of the linear list in memory(b) linear search to find a file(c) it is not reliable(d) all of the mentioned |
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Answer» The correct answer is (b) linear search to find a file The explanation: None. |
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| 11. |
FAT stands for _____________(a) File Attribute Transport(b) File Allocation Table(c) Fork At Time(d) None of the mentioned |
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Answer» Correct option is (b) File Allocation Table The best explanation: None. |
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| 12. |
PB-rope is a successful IPM tool for ____________ management. a. Army worm b. Americon bollworm c. Pink bollworm |
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Answer» PB-rope is a successful IPM tool for Pink bollworm management. |
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| 13. |
What if a pointer is lost or damaged in a linked allocation?(a) the entire file could get damaged(b) only a part of the file would be affected(c) there would not be any problems(d) none of the mentioned |
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Answer» Right choice is (a) the entire file could get damaged Explanation: None. |
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| 14. |
The directory can be viewed as a _________ that translates file names into their directory entries.(a) symbol table(b) partition(c) swap space(d) cache |
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Answer» Right answer is (a) symbol table Explanation: None. |
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| 15. |
In linked allocation _____________(a) each file must occupy a set of contiguous blocks on the disk(b) each file is a linked list of disk blocks(c) all the pointers to scattered blocks are placed together in one location(d) none of the mentioned |
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Answer» Right choice is (b) each file is a linked list of disk blocks Explanation: None. |
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| 16. |
Geomatics has become an integrated well-developed and successful tool in disaster management and mitigation. Evaluate. |
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Answer» Students can write about the use of Geospatial technology in preparation, during disaster and mitigation of disasters. Use of aerial photos, satellite images, GPS data and all spatial analysis tools like buffering. Hazard mapping .Weightage should be given to well framed answers with appropriate examples. |
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| 17. |
A machine in Network file system (NFS) can be ________(a) client(b) server(c) both client and server(d) neither client nor server |
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Answer» Correct choice is (c) both client and server Easiest explanation - None. |
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| 18. |
The _________ becomes the name of the root of the newly mounted directory.(a) root of the previous directory(b) local directory(c) remote directory itself(d) none of the mentioned |
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Answer» The correct choice is (b) local directory For explanation: None. |
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| 19. |
Internal and external security threats are very common for a country in today’s world. How can geomatics help in resolving these problems? |
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Answer» Explain the call tracking systems for internal security and weapon alarming systems, missiles and keeping eyes on borders to check infiltrations etc. |
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| 20. |
For every pair of component and directory vnode after path name translation ____________(a) a single NFS lookup call is used sequentially(b) a single NFS lookup call is used beginning from the last component(c) at least two NFS lookup calls per component are performed(d) a separate NFS lookup call is performed |
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Answer» Correct choice is (d) a separate NFS lookup call is performed Easiest explanation - None. |
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| 21. |
___________ mounts, is when a file system can be mounted over another file system, that is remotely mounted, not local.(a) recursive(b) cascading(c) trivial(d) none of the mentioned |
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Answer» Right choice is (b) cascading Explanation: None. |
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| 22. |
When in contiguous allocation the space cannot be extended easily?(a) the contents of the file have to be copied to a new space, a larger hole(b) the file gets destroyed(c) the file will get formatted and lost all its data(d) none of the mentioned |
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Answer» Correct option is (a) the contents of the file have to be copied to a new space, a larger hole The explanation is: None. |
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| 23. |
To let a client have random access to a media stream with ___________(a) the protocol used must not be stateless(b) the server must support download(c) the stream should give access rights to the client(d) all of the mentioned |
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Answer» Right answer is (a) the protocol used must not be stateless Easiest explanation - None. |
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| 24. |
What is false regarding Back-Pointers scheme to revoke capability?(a) List of pointers is maintained with each object(b) When revocation is required these pointers are followed(c) This scheme is not adopted in MULTICS system(d) These point to all capabilities associated with that object |
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Answer» The correct answer is (c) This scheme is not adopted in MULTICS system The explanation: None. |
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| 25. |
What is the reacquisition scheme to revoke capability?(a) When a process capability is revoked then it won’t be able to reacquire it(b) Pointers are maintained for each object which can be used to revoke(c) Indirect pointing is done to revoke object’s capabilities(d) Master key can be used compare and revoke. |
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Answer» Correct option is (a) When a process capability is revoked then it won’t be able to reacquire it The best explanation: None. |
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| 26. |
Why is it difficult to revoke capabilities?(a) They are too many(b) They are not defined precicely(c) They are distributed throughout the system(d) None of the mentioned |
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Answer» Correct choice is (c) They are distributed throughout the system The best I can explain: None. |
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| 27. |
When a client has a cascading mount _______ server(s) is/are involved in a path name traversal.(a) at least one(b) more than one(c) more than two(d) more than three |
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Answer» Right answer is (b) more than one Easy explanation - None. |
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| 28. |
What is the mount point?(a) an empty directory at which the mounted file system will be attached(b) a location where every time file systems are mounted(c) is the time when the mounting is done(d) none of the mentioned |
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Answer» Correct answer is (a) an empty directory at which the mounted file system will be attached The best I can explain: None. |
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| 29. |
The mount mechanism ________ a transitive property.(a) exhibits(b) does not exhibit(c) may exhibit(d) none of the mentioned |
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Answer» The correct option is (b) does not exhibit To explain: Mounting a remote file system does not give the client access to other file systems that were, by chance, mounted over the former file system. |
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| 30. |
During compaction time, other normal system operations _______ be permitted.(a) can(b) cannot(c) is(d) none of the mentioned |
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Answer» Right answer is (b) cannot Easiest explanation - None. |
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| 31. |
In the tree structured directories _____________(a) the tree has the stem directory(b) the tree has the leaf directory(c) the tree has the root directory(d) all of the mentioned |
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Answer» Right answer is (c) the tree has the root directory The best explanation: None. |
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| 32. |
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 |
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Answer» Correct choice is (d) All of the mentioned To explain: None. |
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| 33. |
When a page is selected for replacement, and its modify bit is set ____________(a) the page is clean(b) the page has been modified since it was read in from the disk(c) the page is dirty(d) the page has been modified since it was read in from the disk & page is dirty |
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Answer» Right option is (d) the page has been modified since it was read in from the disk & page is dirty The best I can explain: None. |
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| 34. |
In UNIX, even an ’empty’ disk has a percentage of its space lost to ______(a) programs(b) inodes(c) virtual memory(d) stacks |
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Answer» Correct choice is (b) inodes Explanation: None. |
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| 35. |
What are the incorrect methods of revocation of access rights?(a) Immediate/Delayed(b) Selective/General(c) Partial/total(d) Crucial |
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Answer» Right choice is (d) Crucial To explain: None. |
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| 36. |
Which one of the following is capability based protection system?(a) hydra(b) cambridge CAP system(c) both hydra and cambridge CAP system(d) none of the mentioned |
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Answer» The correct choice is (c) both hydra and cambridge CAP system Best explanation: None. |
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| 37. |
A mount operation includes the _____________(a) name of the network(b) name of the remote directory to be mounted(c) name of the server machine storing it(d) all of the mentioned |
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Answer» The correct choice is (b) name of the remote directory to be mounted Best explanation: None. |
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| 38. |
For each file there exists a ___________ that contains information about the file, including ownership, permissions and location of the file contents.(a) metadata(b) file control block(c) process control block(d) all of the mentioned |
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Answer» Correct option is (b) file control block The explanation is: None. |
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| 39. |
In UNIX, exactly which operations can be executed by group members and other users is definable by _____________(a) the group’s head(b) the file’s owner(c) the file’s permissions(d) all of the mentioned |
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Answer» The correct answer is (b) the file’s owner The best explanation: None. |
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| 40. |
If no frames are free, _____ page transfer(s) is/are required.(a) one(b) two(c) three(d) four |
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Answer» Right choice is (b) two Explanation: None. |
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| 41. |
What is the need of protection?(a) Prevent mischievous violation(b) Prevent and intentional(c) Ensure that each program component uses resources allotted to it only(d) All of the mentioned |
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Answer» Right choice is (d) All of the mentioned For explanation: None. |
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| 42. |
If a thread invokes the exec system call ____________(a) only the exec executes as a separate process(b) the program specified in the parameter to exec will replace the entire process(c) the exec is ignored as it is invoked by a thread(d) none of the mentioned |
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Answer» Correct answer is (b) the program specified in the parameter to exec will replace the entire process Easiest explanation - None. |
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| 43. |
What are the various roles of protection?(a) It is used to detect errors which can prevent contamination of system(b) It is used used to accelerate a process(c) It is used to optimize system downtime(d) None of the mentioned |
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Answer» Correct option is (a) It is used to detect errors which can prevent contamination of system Easy explanation - None. |
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| 44. |
What do you mean by atomicity and aggregation? |
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Answer» 1. Atomicity: Either all actions are carried out or none are. Users should not have to worry about the effect of incomplete transactions. DBMS ensures this by undoing the actions of incomplete transactions. 2. Aggregation: A concept which is used to model a relationship between a collection of entities and relationships. It is used when we need to express a relationship among relationships. |
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| 45. |
Metadata includes _____________(a) all of the file system structure(b) contents of files(c) both file system structure and contents of files(d) none of the mentioned |
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Answer» The correct answer is (c) both file system structure and contents of files The best explanation: None. |
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| 46. |
With _______ a requested page and several subsequent pages are read and cached.(a) write ahead(b) read ahead(c) free-behind(d) add-front |
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Answer» Correct choice is (b) read ahead The best explanation: None. |
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| 47. |
Universe consists of _____________(a) all users that aren’t included in the group or owners(b) all users that are not owners(c) all users in the system(d) none of the mentioned |
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Answer» The correct answer is (c) all users in the system The explanation is: None. |
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| 48. |
Users _______ that their processes are running on a paged system.(a) are aware(b) are unaware(c) may unaware(d) none of the mentioned |
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Answer» Right option is (b) are unaware Easiest explanation - None. |
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| 49. |
If exec is called immediately after forking ____________(a) the program specified in the parameter to exec will replace the entire process(b) all the threads will be duplicated(c) all the threads may be duplicated(d) none of the mentioned |
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Answer» Right choice is (a) the program specified in the parameter to exec will replace the entire process The explanation is: None. |
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| 50. |
Which of the following objects require protection?(a) Memory(b) Monitor(c) Power supply unit(d) All of the mentioned |
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Answer» Right option is (a) Memory For explanation: None. |
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