In …………….., the virus places an identical copy of itself into other programs or into certain system areas on the disk. A) Dormant phase B) Propagation phase C) Triggering phase D) Execution phase

In …………….., the virus places an identical copy of itself into other programs or into certain system  areas on the disk.
A) Dormant phase
B) Propagation phase
C) Triggering phase
D) Execution phase
by

1 Answer

Answer :

B) Propagation phase
by

Related questions

Select the correct order for the different phases of virus execution. i) Propagation phase ii) Dormant phase iii) Execution phase iv) Triggering phase A) i, ii, iii, and iv B) i, iii, ii and iv C) ii, i, iv an iii D) ii, iii, iv and i

Description : Select the correct order for the different phases of virus execution. i) Propagation phase ii) Dormant phase iii) Execution phase iv) Triggering phase A) i, ii, iii, and iv B) i, iii, ii and iv s D) ii, iii, iv and i

Last Answer : C) ii, i, iv an iii

Which of the following are valid phases of a computer virus? (1) Only Triggering, Executing (2) Only Propagation, Executing (3) Only Dormant, Propagation, Triggering, Executing (4) Only Dormant, Propagation, Triggering

Description : Which of the following are valid phases of a computer virus? (1) Only Triggering, Executing (2) Only Propagation, Executing (3) Only Dormant, Propagation, Triggering, Executing (4) Only Dormant, Propagation, Triggering

Last Answer :  Only Dormant, Propagation, Triggering, Executing

A ………….. is a program that can infect other programs by modifying them, the modification includes a copy of the virus program, which can go on to infect other programs. A) Worm B) Virus C) Zombie D) Trap doors

Description : A ………….. is a program that can infect other programs by modifying them, the modification includes a copy of the virus program, which can go on to infect other programs. A) Worm B) Virus C) Zombie D) Trap doors

Last Answer : B) Virus

State whether true of false. i) A worm mails a copy of itself to other systems. ii) A worm executes a copy of itself on another system. A) True, False B) False, True C) True, True D) False, False

Description : State whether true of false. i) A worm mails a copy of itself to other systems. ii) A worm executes a copy of itself on another system. A) True, False B) False, True C) True, True D) False, False

Last Answer : C) True, True

Which of the following is not typically a benefit of dynamic linking? I. Reduction in overall program execution time. II. Reduction in overall space consumption in memory. III. Reduction in overall space consumption on disk. IV. Reduction in the cost of software updates. (A) I and IV (B) I only (C) II and III (D) IV only

Description : Which of the following is not typically a benefit of dynamic linking? I. Reduction in overall program execution time. II. Reduction in overall space consumption in memory. III. Reduction in overall space consumption on disk. IV. ... updates. (A) I and IV (B) I only (C) II and III (D) IV only

Last Answer : (B) I only 

A ……………. takes a reference to an object of the same class as itself as an argument. A) Reference constructor B) Copy Constructor C) Self Constructor

Description : A ……………. takes a reference to an object of the same class as itself as an argument. A) Reference constructor B) Copy Constructor C) Self Constructor

Last Answer : B) Copy Constructor

Which of the following is not the part of Risk Control A. Execution of the risk response strategy B. Monitoring of triggering events C. Initiating contingency plans D. Not watching for new risks

Description : Which of the following is not the part of Risk Control  A. Execution of the risk response strategy  B. Monitoring of triggering events  C. Initiating contingency plans  D. Not watching for new risks

Last Answer : D. Not watching for new risks

A ………………… attaches itself to executable files and replicates, when the infected program is executed, by finding other executable files to infect. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus

Description : A ………………… attaches itself to executable files and replicates, when the infected program is executed, by finding other executable files to infect. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus

Last Answer : C) Parasitic Virus

Assembler is: a) a program that places programs into memory and prepares them for execution b) a program that automate the translation of assembly language into machine language c) is a program that appears to execute a source program as if it were machine language d) None of The Above

Description : Assembler is: a) a program that places programs into memory and prepares them for execution b) a program that automate the translation of assembly language into machine language c) is a program that appears to execute a source program as if it were machine language d) None of The Above

Last Answer : b) a program that automate the translation of assembly language into machine language

________ is a program that places programs into memory and prepares them for execution. (1) Assembler (2) Compiler (3) Loader (4) Macro processor

Description :  ________ is a program that places programs into memory and prepares them for execution. (1) Assembler (2) Compiler (3) Loader (4) Macro processor

Last Answer : Loader

Which of the following statements is not true with respect to microwaves? (A) Electromagnetic waves with frequencies from 300 GHz to 400 THz. (B) Propagation is line-of-sight. (C) Very high-frequency waves cannot penetrate walls. (D) Use of certain portions of the band requires permission from authorities.

Description : Which of the following statements is not true with respect to microwaves? (A) Electromagnetic waves with frequencies from 300 GHz to 400 THz. (B) Propagation is line-of-sight. (C) Very ... waves cannot penetrate walls. (D) Use of certain portions of the band requires permission from authorities.

Last Answer : (A) Electromagnetic waves with frequencies from 300 GHz to 400 THz.

. …………………….. is a form of virus explicitly designed to hide itself from detection by antivirus software. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus D) Macro Virus

Description : . …………………….. is a form of virus explicitly designed to hide itself from detection by antivirus software. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus D) Macro Virus

Last Answer : A) Stealth virus

A ______________is a program that can infect other programs by modifying them,the modification includes a copy of the virus program which can go on to infect other programs a)Worm b)Virus c)Zombie d) Trpdoors

Description : A ______________is a program that can infect other programs by modifying them,the modification includes a copy of the virus program which can go on to infect other programs a)Worm b)Virus c)Zombie d) Trpdoors

Last Answer : b)Virus

The ……….. is code that recognizes some special sequence of input or is triggered by being run from a certain user ID of by unlikely sequence of events. A) Trap doors B) Trojan horse C) Logic Bomb D) Virus

Description : The ……….. is code that recognizes some special sequence of input or is triggered by being run from a certain user ID of by unlikely sequence of events. A) Trap doors B) Trojan horse C) Logic Bomb D) Virus

Last Answer : A) Trap doors

What causes the flu virus to become dormant?

Description : What causes the flu virus to become dormant?

Last Answer : So we know that the flu goes dormant during the summer for the most part, but not why exactly (according to Wikipedia). I won't just copy the entire article here, but it's interesting and I ... The researchers did not find that the cold impaired the immune response of the guinea pigs to the virus.

Where is the ' West Nile Virus ' dormant ?

Last Answer : West Nile virus ' is in the body of a crow while it is dormant

Which one of the following statements applies to smallpox? a. The disease is associated with animal contact. b. The disease has been eradicated worldwide. c. It can be sexually-transmitted. d. The virus can lie dormant in host cells.

Description : Which one of the following statements applies to smallpox? a. The disease is associated with animal contact. b. The disease has been eradicated worldwide. c. It can be sexually-transmitted. d. The virus can lie dormant in host cells.

Last Answer : b. The disease has been eradicated worldwide.

Match the following mechanisms for interrupting the execution of a process and their uses. i) Interrupt a) Call to an operating system function ii) Trap b) Reaction to an asynchronous external event iii) Supervisor Call c) Handling of a error or an exception condition A) i-a, ii-b, iii-c B) i-c, ii-a, iii-b C) i-b, ii-c, iii-a D) i-a, ii-c, iii-b

Description : Match the following mechanisms for interrupting the execution of a process and their uses. i) Interrupt a) Call to an operating system function ii) Trap b) Reaction to an asynchronous external event iii) Supervisor Call c) Handling of a error ... -a, iii-b C) i-b, ii-c, iii-a D) i-a, ii-c, iii-b

Last Answer : C) i-b, ii-c, iii-a

.................. refers to the ability of an operating system to support multiple threads of execution with a single process. A) Multithreading B) Multiprocessing C) Multiexecuting D) Bi-threading

Description : .................. refers to the ability of an operating system to support multiple threads of execution with a single process. A) Multithreading B) Multiprocessing C) Multiexecuting D) Bi-threading

Last Answer : A) Multithreading

WOW32 is a: (A) Win 32 API library for creating processes and threads. (B) Special kind of file system to the NT name space. (C) Kernel - mode objects accessible through Win32 API (D) Special execution environment used to run 16 bit Windows applications on 32 - bit machines.

Description : WOW32 is a: (A) Win 32 API library for creating processes and threads. (B) Special kind of file system to the NT name space. (C) Kernel - mode objects accessible through Win32 API (D) Special execution environment used to run 16 bit Windows applications on 32 - bit machines.

Last Answer : (D) Special execution environment used to run 16 bit Windows applications on 32 - bit machines.

Suppose there are four processes in execution with 12 instances of a Resource R in a system. The maximum need of each process and current allocation are given below: Image With reference to current allocation, is system safe? If so, what is the safe sequence? (A) No (B) Yes, P1 P2 P3 P4 (C) Yes, P4 P3 P1 P2 (D) Yes, P2 P1 P3 P4

Description : Suppose there are four processes in execution with 12 instances of a Resource R in a system. The maximum need of each process and current allocation are given below: With reference to current allocation, is system safe? If so, ... B) Yes, P1 P2 P3 P4 (C) Yes, P4 P3 P1 P2 (D) Yes, P2 P1 P3 P4

Last Answer : (C) Yes, P4 P3 P1 P2

For execution of DELETE SQL query in JDBC, ............. method must be used. A) executeQuery() B) executeDeleteQuery() C) executeUpdate() D) executeDelete()

Description : For execution of DELETE SQL query in JDBC, ............. method must be used. A) executeQuery() B) executeDeleteQuery() C) executeUpdate() D) executeDelete()

Last Answer : C) executeUpdate()

State weather the following statement is true or false for EJB. 1. EJB exists in the middle-tier 2. EJB specifies an execution environment 3. EJB supports transaction processing A) 1-true, 2. true, 3. true B) 1- true, 2. false, 3. true C) 1- false, 2- false, 3- false D) 1-true, 2-true, 3-false

Description : State weather the following statement is true or false for EJB. 1. EJB exists in the middle-tier 2. EJB specifies an execution environment 3. EJB supports transaction processing A) 1-true, 2. true, 3. true B) 1- ... false, 3. true C) 1- false, 2- false, 3- false D) 1-true, 2-true, 3-false

Last Answer : A) 1-true, 2. true, 3. true

What will be the values of x, m and n after execution of the following statements? Int x, m, n; m=10; n=15; x= ++m + n++; A) x=25, m=10, n=15 B) x=27, m=10, n=15 C) x=26, m=11, n=16 D) x=27, m=11, n=16

Description : What will be the values of x, m and n after execution of the following statements? Int x, m, n; m=10; n=15; x= ++m + n++; A) x=25, m=10, n=15 B) x=27, m=10, n=15 C) x=26, m=11, n=16 D) x=27, m=11, n=16

Last Answer : C) x=26, m=11, n=16

Assume that variable x resides at memory location 1234, y at 1111 and p at 2222. Int x=1, y=2, *p; p=&x; y=*p; What will be the value of y after execution of above code? A) 2 B) 1 C) 1234 D) 1111

Description : Assume that variable x resides at memory location 1234, y at 1111 and p at 2222. Int x=1, y=2, *p; p=&x; y=*p; What will be the value of y after execution of above code? A) 2 B) 1 C) 1234 D) 1111

Last Answer : C) 1234

State which statement is true for Suspended process? i) The process is not immediately available for execution. ii) The process may be removed from suspended state automatically without removal order. A) i only B) ii only C) i and ii only D) None

Description : State which statement is true for Suspended process? i) The process is not immediately available for execution. ii) The process may be removed from suspended state automatically without removal order. A) i only B) ii only C) i and ii only D) None

Last Answer : A) i only

Process is ........................ A) A program in execution B) An instance of a program running on a computer. C) The entity that can be assigned to and executed D) All of the above.

Description : Process is ........................ A) A program in execution B) An instance of a program running on a computer. C) The entity that can be assigned to and executed D) All of the above.

Last Answer : D) All of the above.

Let the time taken to switch between user mode and kernel mode of execution be T1 while time taken to switch between two user processes be T2. Which of the following is correct? (A) T1 < T2 (B) T1 > T2 (C) T1 = T2 (D) Nothing can be said about the relation between T1 and T2.

Description : Let the time taken to switch between user mode and kernel mode of execution be T1 while time taken to switch between two user processes be T2. Which of the following is correct? (A) T1 < T2 (B) T1 > T2 (C) T1 = T2 (D) Nothing can be said about the relation between T1 and T2.

Last Answer : (A) T1 < T2

Code blocks allow many algorithms to be implemented with the following parameters : (A) clarity, elegance, performance (B) clarity, elegance, efficiency (C) elegance, performance, execution (D) execution, clarity, performance

Description : Code blocks allow many algorithms to be implemented with the following parameters : (A) clarity, elegance, performance (B) clarity, elegance, efficiency (C) elegance, performance, execution (D) execution, clarity, performance

Last Answer : (B) clarity, elegance, efficiency

Debugger is a program that (A) allows to examine and modify the contents of registers (B) does not allow execution of a segment of program (C) allows to set breakpoints, execute a segment of program and display contents of register (D) All of the above

Description : Debugger is a program that (A) allows to examine and modify the contents of registers (B) does not allow execution of a segment of program (C) allows to set breakpoints, execute a segment of program and display contents of register (D) All of the above

Last Answer : (C) allows to set breakpoints, execute a segment of program and display contents of register

Verification: (A) refers to the set of activities that ensure that software correctly implements a specific function. (B) gives answer to the question - Are we building the product right ? (C) requires execution of software (D) both (A) and (B)

Description : Verification: (A) refers to the set of activities that ensure that software correctly implements a specific function. (B) gives answer to the question - Are we building the product right ? (C) requires execution of software (D) both (A) and (B)

Last Answer : (D) both (A) and (B)

Let Pi and Pj be two processes, R be the set of variables read from memory, and W be the set of variables written to memory. For the concurrent execution of two processes Pi and Pj, which of the following conditions is not true? (A) R(Pi)∩W(Pj)=Φ (B) W(Pi)∩R(Pj)=Φ (C) R(Pi)∩R(Pj)=Φ (D) W(Pi)∩W(Pj)=Φ

Description : Let Pi and Pj be two processes, R be the set of variables read from memory, and W be the set of variables written to memory. For the concurrent execution of two processes Pi and Pj, which of the following conditions is not true? (A) R(Pi)∩W(Pj)=Φ (B) W(Pi)∩R(Pj)=Φ (C) R(Pi)∩R(Pj)=Φ (D) W(Pi)∩W(Pj)=Φ

Last Answer : (C) R(Pi)∩R(Pj)=Φ 

In Unix, the command to enable execution permission for file “mylife” by all is ................ (A) Chmod ugo+X myfile (B) Chmod a+X myfile (C) Chmod +X myfile (D) All of the above

Description : In Unix, the command to enable execution permission for file “mylife” by all is ................ (A) Chmod ugo+X myfile (B) Chmod a+X myfile (C) Chmod +X myfile (D) All of the above

Last Answer : (D) All of the above

A CPU handles interrupt by executing interrupt service subroutine................. (A) by checking interrupt register after execution of each instruction (B) by checking interrupt register at the end of the fetch cycle (C) whenever an interrupt is registered (D) by checking interrupt register at regular time interval

Description : A CPU handles interrupt by executing interrupt service subroutine................. (A) by checking interrupt register after execution of each instruction (B) by checking interrupt register ... cycle (C) whenever an interrupt is registered (D) by checking interrupt register at regular time interval

Last Answer : (A) by checking interrupt register after execution of each instruction

What is the function of following UNIX command? WC – l<a >b& (A) It runs the word count program to count the number of lines in its input, a, writing the result to b, as a foreground process. (B) It runs the word count program to count the number of lines in its input, a, writing the result to b, but does it in the background. (C) It counts the errors during the execution of a process, a, and puts the result in process b. (D) It copies the ‘ l ’ numbers of lines of program from file, a, and stores in file b.

Description : What is the function of following UNIX command? WC - lb& (A) It runs the word count program to count the number of lines in its input, a, writing the result to b, as a foreground process. (B) It runs ... (D) It copies the l ' numbers of lines of program from file, a, and stores in file b.

Last Answer : (B) It runs the word count program to count the number of lines in its input, a, writing the result to b, but does it in the background.

In UNIX, processes that have finished execution but have not yet had their status collected are known as ................ (A) Sleeping processes (B) Stopped Processes (C) Zombie Processes (D) Orphan Processes

Description : In UNIX, processes that have finished execution but have not yet had their status collected are known as ................ (A) Sleeping processes (B) Stopped Processes (C) Zombie Processes (D) Orphan Processes

Last Answer : (C) Zombie Processes 

The content of the accumulator after the execution of the following 8085 assembly language program, is: MVI A, 42H MVI B, 05H UGC: ADD B DCR B JNZ UGC ADI 25H HLT (A) 82 H (B) 78 H (C) 76 H (D) 47 H

Description : The content of the accumulator after the execution of the following 8085 assembly language program, is: MVI A, 42H  MVI B, 05H UGC: ADD B DCR B JNZ UGC ADI 25H HLT (A) 82 H (B) 78 H (C) 76 H (D) 47 H

Last Answer : (C) 76 H

The content of the accumulator after the execution of the following 8085 assembly language program, is MVI A, 35H MOV B, A STC CMC RAR XRA B (A) 00H (B) 35H (C) EFH (D) 2FH

Description : The content of the accumulator after the execution of the following 8085 assembly language program, is MVI A, 35H MOV B, A STC CMC RAR XRA B (A) 00H (B) 35H (C) EFH (D) 2FH

Last Answer : (D) 2FH

Why 8087 is referred to as Coprocessor? i) Because 8087 is used in parallel with main processor in a system, rather than serving as a main processor itself. ii) Because 8087 is used in serial with main processor in a system, rather than serving as a main processor itself. iii) Because main Microprocessor handles the general program execution and the 8087 handles specialized math computations. a) i & iii b) ii & iii c) iii only. d) i only.

Description : Why 8087 is referred to as Coprocessor? i) Because 8087 is used in parallel with main processor in a system, rather than serving as a main processor itself. ii) Because 8087 is used in serial with main processor in a ... math computations. a) i & iii b) ii & iii c) iii only. d) i only.

Last Answer : c) iii only.

The loss in signal power as light travels down the fiber is called ............. A) Attenuation B) Propagation C) Scattering D) Interruption

Description : The loss in signal power as light travels down the fiber is called ............. A) Attenuation B) Propagation C) Scattering D) Interruption

Last Answer : A) Attenuation

The VLF and LF bauds use .............. propagation for communication. (A) Ground (B) Sky (C) Line of sight (D) Space

Description : The VLF and LF bauds use .............. propagation for communication. (A) Ground (B) Sky (C) Line of sight (D) Space

Last Answer : Answer: A Explanation: VLF (Very Low Frequency) LF (Low Frequency) In general there are three type of propagation.1.Ground Propagation 2.Sky propagation 3.Line-of-sight propagation ... portion of the atmosphere. These low-frequency signals travel in all directions from the transmitting antenna.

Reasoning strategies used in expert systems include ............... (A) Forward chaining, backward chaining and problem reduction (B) Forward chaining, backward chaining and boundary mutation (C) Forward chaining, backward chaining and back propagation (D) Backward chaining, problem reduction and boundary mutation

Description : Reasoning strategies used in expert systems include ............... (A) Forward chaining, backward chaining and problem reduction (B) Forward chaining, backward chaining and boundary ... chaining, backward chaining and back propagation (D) Backward chaining, problem reduction and boundary mutation

Last Answer : (A) Forward chaining, backward chaining and problem reduction

Which of the following is used to determine the specificity of requirements ? (A) n1/n2 (B) n2/n1 (C) n1+n2 (D) n1–n2 Where n1 is the number of requirements for which all reviewers have identical interpretations, n2 is number of requirements in a specification.

Description : Which of the following is used to determine the specificity of requirements ? (A) n1/n2 (B) n2/n1 (C) n1+n2 (D) n1–n2 Where n1 is the number of requirements for which all reviewers have identical interpretations, n2 is number of requirements in a specification.

Last Answer : (A) n1/n2 

State whether true of false. i) A worm mails a copy of itself to other systems. ii) A worm executes a copy of itself on another system. a) True, False b) False, True c) True, True d) False, False

Description : State whether true of false. i) A worm mails a copy of itself to other systems. ii) A worm executes a copy of itself on another system. a) True, False b) False, True c) True, True d) False, False

Last Answer : c) True, True

C programs are converted into machine language with the help of A) An Editor B) A complier C) An operating system D) None of the above

Description : C programs are converted into machine language with the help of A) An Editor B) A complier C) An operating system D) None of the above

Last Answer : B) A complier

What is a central set of programs called that manages the execution of other programs and performs common functions like read, write, and print?

Description : What is a central set of programs called that manages the execution of other programs and performs common functions like read, write, and print?

Last Answer : Operating system.

State true of false. i) With paging, each process is divided into relatively small, fixed-size pages. ii) Segmentation provides for the use of pieces of varying size. A) Partition management B) Memory management C) Disk management D) All of the above

Description : State true of false. i) With paging, each process is divided into relatively small, fixed-size pages. ii) Segmentation provides for the use of pieces of varying size. A) Partition management B) Memory management C) Disk management D) All of the above

Last Answer : B) Memory management

A logical schema A) is the entire database B) is a standard way of organizing information into accessible parts. C) Describes how data is actually stored on disk. D) All of the above

Description : A logical schema A) is the entire database B) is a standard way of organizing information into accessible parts. C) Describes how data is actually stored on disk. D) All of the above

Last Answer : B) is a standard way of organizing information into accessible parts.

File management function of the operating system includes i) File creation and deletion ii) Disk scheduling iii) Directory creation iv) Mapping file in secondary storage. A) i, ii and iii only B) i, iii and iv only C) ii, iii and iv only D) All i, ii, iii and iv

Description : File management function of the operating system includes i) File creation and deletion ii) Disk scheduling iii) Directory creation iv) Mapping file in secondary storage. A) i, ii and iii only B) i, iii and iv only C) ii, iii and iv only D) All i, ii, iii and iv

Last Answer : B) i, iii and iv only