100525 + Interview Questions in GENERAL QA IN GENERAL AWARENESS

1.	What is a Hash Function?(a) It creates a small flexible block of data(b) It creates a small,fixed block of data(c) It creates a encrypted block of data(d) None of the mentioned
Answer» Correct choice is (b) It creates a small,fixed block of data Explanation: None.

Discussion

2.	In a tree structure, when deleting a directory that is not empty?(a) The contents of the directory are safe(b) The contents of the directory are also deleted(c) contents of the directory are not deleted(d) none of the mentioned
Answer» Right answer is (b) The contents of the directory are also deleted To explain I would say: None.

Discussion

3.	A tree structure ______ the sharing of files and directories.(a) allows(b) may restrict(c) restricts(d) none of the mentioned
Answer» Right choice is (c) restricts To explain I would say: None.

Discussion

4.	When two users keep a subdirectory in their own directories, the structure being referred to is _____________(a) tree structure(b) cyclic graph directory structure(c) two level directory structure(d) acyclic graph directory
Answer» Correct answer is (d) acyclic graph directory To explain I would say: None.

Discussion

5.	A process _____ lower the priority of another process if both are owned by the same owner.(a) must(b) can(c) cannot(d) none of the mentioned
Answer» Correct answer is (b) can Easy explanation - None.

Discussion

6.	When a file system is mounted over a directory that is not empty then _____________(a) the system may not allow the mount(b) the system must allow the mount(c) the system may allow the mount and the directory’s existing files will then be made obscure(d) all of the mentioned
Answer» The correct choice is (c) the system may allow the mount and the directory’s existing files will then be made obscure Easiest explanation - None.

Discussion

7.	What is a stateless file server?(a) It keeps tracks of states of different objects(b) It maintains internally no state information at all(c) It maintains some information in them(d) None of the mentioned
Answer» Right answer is (b) It maintains internally no state information at all To explain I would say: None.

Discussion

8.	SHA-1 produces __________ bit of hash.(a) 128(b) 160(c) 150(d) 112
Answer» The correct option is (b) 160 Explanation: None.

Discussion

9.	What are the characteristics of the stateless server?(a) Easier to implement(b) They are not fault-tolerant upon client or server failures(c) They store all information file server(d) They are redundant to keep data safe
Answer» Correct option is (a) Easier to implement To explain I would say: None.

Discussion

10.	If the set of resources available to the process is fixed throughout the process’s lifetime then its domain is _____________(a) static(b) dynamic(c) neither static nor dynamic(d) none of the mentioned
Answer» The correct answer is (a) static Easiest explanation - None.

Discussion

11.	The protection domain of a process contains _____________(a) object name(b) rights-set(c) both object name and rights-set(d) none of the mentioned
Answer» Right option is (c) both object name and rights-set The explanation: None.

Discussion

12.	When a process begins execution with no pages in memory?(a) process execution becomes impossible(b) a page fault occurs for every page brought into memory(c) process causes system crash(d) none of the mentioned
Answer» Correct answer is (b) a page fault occurs for every page brought into memory For explanation: None.

Discussion

13.	Which of the following is the least secure method of authentication?(a) Key card(b) fingerprint(c) retina pattern(d) Password
Answer» Correct option is (d) Password Explanation: Passwords can be compromised more easily than to replicate a physical thing like key card, fingerprint or retina.

Discussion

14.	A relative path name begins at the _____________(a) leaf(b) stem(c) current directory(d) root
Answer» The correct option is (c) current directory The explanation: None.

Discussion

15.	Consider a disk where blocks 2, 3, 4, 5, 8, 9, 10, 11, 12, 13, 17, 18, 25, 26 and 27 are free and the rest of the blocks are allocated. Then the free space bitmap would be _____________(a) 10000110000001110011111100011111…(b) 110000110000001110011111100011111…(c) 01111001111110001100000011100000…(d) 001111001111110001100000011100000…
Answer» Right option is (d) 001111001111110001100000011100000… For explanation: None.

Discussion

16.	What is ‘separation’ in security of Operating systems?(a) To have separate login for different users(b) To have separate Hard disk drive/partition for different users(c) It means keeping one user’s objects separate from other users(d) None of the mentioned
Answer» Correct answer is (c) It means keeping one user’s objects separate from other users Easy explanation - None.

Discussion

17.	Which two of the following are authentication algorithms?(a) MAC(b) AES(c) DAS(d) Digital-signature
Answer» Right choice is (a) MAC For explanation: None.

Discussion

18.	Implementation of a stateless file server must not follow?(a) Idempotency requirement(b) Encryption of keys(c) File locking mechanism(d) Cache consistency
Answer» Correct option is (b) Encryption of keys Easiest explanation - None.

Discussion

19.	To recover from failures in the network operations _____________ information may be maintained.(a) ip address(b) state(c) stateless(d) operating system
Answer» The correct choice is (b) state The explanation is: None.

Discussion

20.	An absolute path name begins at the _____________(a) leaf(b) stem(c) current directory(d) root
Answer» The correct answer is (d) root Explanation: None.

Discussion

21.	The overall I/O rate in RAID level 4 is ____________(a) low(b) very low(c) high(d) none of the mentioned
Answer» The correct option is (c) high The explanation is: All disks can be read in parallel.

Discussion

22.	A write of a block has to access ____________(a) the disk on which the block is stored(b) parity disk(c) a parity block(d) all of the mentioned
Answer» Correct choice is (d) all of the mentioned To explain: None.

Discussion

23.	Global table implementation of the matrix table contains _____________(a) domain(b) object(c) right-set(d) all of the mentioned
Answer» Correct option is (d) all of the mentioned Easy explanation - None.

Discussion

24.	Domain name system provides _____________(a) host-name-to-network-address translations for the entire internet(b) network-address-to-host-name translations for the entire internet(c) binary to hex translations for the entire internet(d) all of the mentioned
Answer» The correct answer is (a) host-name-to-network-address translations for the entire internet To explain I would say: None.

Discussion

25.	What are characteristic of Network Operating Systems?(a) Users are aware of multiplicity of machines(b) They are transparent(c) They are simple to use(d) All of the mentioned
Answer» Right choice is (a) Users are aware of multiplicity of machines Easiest explanation - None.

Discussion

26.	On systems where there are multiple operating system, the decision to load a particular one is done by _____________(a) boot loader(b) bootstrap(c) process control block(d) file control block
Answer» The correct answer is (a) boot loader The best I can explain: None.

Discussion

27.	Which of the following are the types of Path names?(a) absolute & relative(b) local & global(c) global & relative(d) relative & local
Answer» Right answer is (a) absolute & relative Explanation: None.

Discussion

28.	For a domain _______ is a list of objects together with the operation allowed on these objects.(a) capability list(b) access list(c) both capability and access list(d) none of the mentioned
Answer» Right option is (a) capability list Easiest explanation - None.

Discussion

29.	How is access to resources of various machines is done?(a) Remote logging using ssh or telnet(b) Zone are configured for automatic access(c) FTP is not used(d) All of the mentioned
Answer» The correct answer is (a) Remote logging using ssh or telnet The explanation: None.

Discussion

30.	_______ tend to represent a major bottleneck in system performance.(a) CPUs(b) Disks(c) Programs(d) I/O
Answer» Correct option is (b) Disks To explain: None.

Discussion

31.	Access matrix model for user authentication contains _____________(a) a list of objects(b) a list of domains(c) a function which returns an object’s type(d) all of the mentioned
Answer» Right choice is (d) all of the mentioned The explanation: None.

Discussion

32.	In the world wide web, a ____ is needed to gain access to the remote files, and separate operations are used to transfer files.(a) laptop(b) plugin(c) browser(d) player
Answer» Correct option is (c) browser The explanation is: None.

Discussion

33.	In distributed file system ________________ directories are visible from the local machine.(a) protected(b) local(c) private(d) remote
Answer» Right answer is (d) remote To explain: None.

Discussion

34.	What is the disadvantage of the two level directory structure?(a) it does not solve the name collision problem(b) it solves the name collision problem(c) it does not isolate users from one another(d) it isolates users from one another
Answer» Correct option is (d) it isolates users from one another To explain I would say: None.

Discussion

35.	The current directory contains, most of the files that are _____________(a) of current interest to the user(b) stored currently in the system(c) not used in the system(d) not of current interest to the system
Answer» Right choice is (a) of current interest to the user Easy explanation - None.

Discussion

36.	The mount request is mapped to the corresponding __________ and is forwarded to the mount server running on the specific server machine.(a) IPC(b) System(c) CPU(d) RPC
Answer» Right option is (b) System The best explanation: None.

Discussion

37.	How can Keys be defined or replaced?(a) create [keyname] [bits](b) set-key(c) Key(d) MAKE [Key Name]
Answer» Correct option is (b) set-key To explain I would say: None.

Discussion

38.	What is true about Indirection to revoke capability?(a) Capabilities point indirectly to the objects(b) Each capability will not have a unique entry in global(c) Table entries cannot be reused for other capabilities(d) This system was adopted in MULTICS system
Answer» Right option is (a) Capabilities point indirectly to the objects Easy explanation - None.

Discussion

39.	The capability of a system to adapt the increased service load is called ___________(a) scalability(b) tolerance(c) capacity(d) none of the mentioned
Answer» Correct answer is (a) scalability For explanation: None.

Discussion

40.	From the following, which is not a common file permission?(a) Write(b) Execute(c) Stop(d) Read
Answer» Correct answer is (c) Stop Easiest explanation - None.

Discussion

41.	What are the common security threats?(a) File Shredding(b) File sharing and permission(c) File corrupting(d) File integrity
Answer» Right option is (b) File sharing and permission Easy explanation - Sharing and associated permissions are usual exploits which can compromise the system.

Discussion

42.	The difficulty with multicasting from a practical point of view is ___________(a) memory allocation is difficult(b) server must establish a separate unicast session for each client(c) the routers must support multicasting(d) none of the mentioned
Answer» The correct choice is (c) the routers must support multicasting The explanation: None.

Discussion

43.	In distributed system, each processor has its own ___________(a) local memory(b) clock(c) both local memory and clock(d) none of the mentioned
Answer» The correct answer is (c) both local memory and clock The explanation: None.

Discussion

44.	What are the two capabilities defined in CAP system?(a) data & software capability(b) address & data capability(c) hardware & software capability(d) software capability
Answer» Correct option is (a) data & software capability Easy explanation - None.

Discussion

45.	What are the characteristics of Cambridge CAP system as compared to Hydra system?(a) It is simpler and less powerful than hydra system(b) It is more powerful than hydra system(c) It is powerful than hydra system(d) It is not as secure as Hydra system
Answer» Right choice is (a) It is simpler and less powerful than hydra system Best explanation: None.

Discussion

46.	Which normal form is similar with 3NF. A. 1NF B. 2NF C. BCNF D. 4NF
Answer» Correct option is: C. BCNF

Discussion

47.	Which of the following is not the possible ways of data exchange? A. Simplex B. Multiplex C. Half- duplex D. Full duplex
Answer» Correct option is: B. Multiplex

Discussion

48.	Which of the following is not the External security threats. A. Front-door threats B. Back-door threats C. Underground threats D. Denial of service (DOS)
Answer» Correct option is: C. Underground threats

Discussion

49.	What is the major disadvantage with a linked allocation?(a) internal fragmentation(b) external fragmentation(c) there is no sequential access(d) there is only sequential access
Answer» Right answer is (d) there is only sequential access Explanation: None.

Discussion

50.	There is no __________ with linked allocation.(a) internal fragmentation(b) external fragmentation(c) starvation(d) all of the mentioned
Answer» Right option is (b) external fragmentation For explanation: None.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

What is a Hash Function?(a) It creates a small flexible block of data(b) It creates a small,fixed block of data(c) It creates a encrypted block of data(d) None of the mentioned

In a tree structure, when deleting a directory that is not empty?(a) The contents of the directory are safe(b) The contents of the directory are also deleted(c) contents of the directory are not deleted(d) none of the mentioned

A tree structure ______ the sharing of files and directories.(a) allows(b) may restrict(c) restricts(d) none of the mentioned

When two users keep a subdirectory in their own directories, the structure being referred to is _____________(a) tree structure(b) cyclic graph directory structure(c) two level directory structure(d) acyclic graph directory

A process _____ lower the priority of another process if both are owned by the same owner.(a) must(b) can(c) cannot(d) none of the mentioned

When a file system is mounted over a directory that is not empty then _____________(a) the system may not allow the mount(b) the system must allow the mount(c) the system may allow the mount and the directory’s existing files will then be made obscure(d) all of the mentioned

What is a stateless file server?(a) It keeps tracks of states of different objects(b) It maintains internally no state information at all(c) It maintains some information in them(d) None of the mentioned

SHA-1 produces __________ bit of hash.(a) 128(b) 160(c) 150(d) 112

What are the characteristics of the stateless server?(a) Easier to implement(b) They are not fault-tolerant upon client or server failures(c) They store all information file server(d) They are redundant to keep data safe

If the set of resources available to the process is fixed throughout the process’s lifetime then its domain is _____________(a) static(b) dynamic(c) neither static nor dynamic(d) none of the mentioned

The protection domain of a process contains _____________(a) object name(b) rights-set(c) both object name and rights-set(d) none of the mentioned

When a process begins execution with no pages in memory?(a) process execution becomes impossible(b) a page fault occurs for every page brought into memory(c) process causes system crash(d) none of the mentioned

Which of the following is the least secure method of authentication?(a) Key card(b) fingerprint(c) retina pattern(d) Password

A relative path name begins at the _____________(a) leaf(b) stem(c) current directory(d) root

What is ‘separation’ in security of Operating systems?(a) To have separate login for different users(b) To have separate Hard disk drive/partition for different users(c) It means keeping one user’s objects separate from other users(d) None of the mentioned

Which two of the following are authentication algorithms?(a) MAC(b) AES(c) DAS(d) Digital-signature

Implementation of a stateless file server must not follow?(a) Idempotency requirement(b) Encryption of keys(c) File locking mechanism(d) Cache consistency

To recover from failures in the network operations _____________ information may be maintained.(a) ip address(b) state(c) stateless(d) operating system

An absolute path name begins at the _____________(a) leaf(b) stem(c) current directory(d) root

The overall I/O rate in RAID level 4 is ____________(a) low(b) very low(c) high(d) none of the mentioned

A write of a block has to access ____________(a) the disk on which the block is stored(b) parity disk(c) a parity block(d) all of the mentioned

Global table implementation of the matrix table contains _____________(a) domain(b) object(c) right-set(d) all of the mentioned

Domain name system provides _____________(a) host-name-to-network-address translations for the entire internet(b) network-address-to-host-name translations for the entire internet(c) binary to hex translations for the entire internet(d) all of the mentioned

What are characteristic of Network Operating Systems?(a) Users are aware of multiplicity of machines(b) They are transparent(c) They are simple to use(d) All of the mentioned

On systems where there are multiple operating system, the decision to load a particular one is done by _____________(a) boot loader(b) bootstrap(c) process control block(d) file control block

Which of the following are the types of Path names?(a) absolute & relative(b) local & global(c) global & relative(d) relative & local

For a domain _______ is a list of objects together with the operation allowed on these objects.(a) capability list(b) access list(c) both capability and access list(d) none of the mentioned

How is access to resources of various machines is done?(a) Remote logging using ssh or telnet(b) Zone are configured for automatic access(c) FTP is not used(d) All of the mentioned

_______ tend to represent a major bottleneck in system performance.(a) CPUs(b) Disks(c) Programs(d) I/O

Access matrix model for user authentication contains _____________(a) a list of objects(b) a list of domains(c) a function which returns an object’s type(d) all of the mentioned

In the world wide web, a ____ is needed to gain access to the remote files, and separate operations are used to transfer files.(a) laptop(b) plugin(c) browser(d) player

In distributed file system ________________ directories are visible from the local machine.(a) protected(b) local(c) private(d) remote

What is the disadvantage of the two level directory structure?(a) it does not solve the name collision problem(b) it solves the name collision problem(c) it does not isolate users from one another(d) it isolates users from one another

The current directory contains, most of the files that are _____________(a) of current interest to the user(b) stored currently in the system(c) not used in the system(d) not of current interest to the system

The mount request is mapped to the corresponding __________ and is forwarded to the mount server running on the specific server machine.(a) IPC(b) System(c) CPU(d) RPC

How can Keys be defined or replaced?(a) create [keyname] [bits](b) set-key(c) Key(d) MAKE [Key Name]

What is true about Indirection to revoke capability?(a) Capabilities point indirectly to the objects(b) Each capability will not have a unique entry in global(c) Table entries cannot be reused for other capabilities(d) This system was adopted in MULTICS system

The capability of a system to adapt the increased service load is called ___________(a) scalability(b) tolerance(c) capacity(d) none of the mentioned

From the following, which is not a common file permission?(a) Write(b) Execute(c) Stop(d) Read

What are the common security threats?(a) File Shredding(b) File sharing and permission(c) File corrupting(d) File integrity

The difficulty with multicasting from a practical point of view is ___________(a) memory allocation is difficult(b) server must establish a separate unicast session for each client(c) the routers must support multicasting(d) none of the mentioned

In distributed system, each processor has its own ___________(a) local memory(b) clock(c) both local memory and clock(d) none of the mentioned

What are the two capabilities defined in CAP system?(a) data & software capability(b) address & data capability(c) hardware & software capability(d) software capability

What are the characteristics of Cambridge CAP system as compared to Hydra system?(a) It is simpler and less powerful than hydra system(b) It is more powerful than hydra system(c) It is powerful than hydra system(d) It is not as secure as Hydra system

Which normal form is similar with 3NF. A. 1NF B. 2NF C. BCNF D. 4NF

Which of the following is not the possible ways of data exchange? A. Simplex B. Multiplex C. Half- duplex D. Full duplex

Which of the following is not the External security threats. A. Front-door threats B. Back-door threats C. Underground threats D. Denial of service (DOS)

What is the major disadvantage with a linked allocation?(a) internal fragmentation(b) external fragmentation(c) there is no sequential access(d) there is only sequential access

There is no __________ with linked allocation.(a) internal fragmentation(b) external fragmentation(c) starvation(d) all of the mentioned