McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) , Information Technology Engineering (IT) .
| 1. |
Message ________ means privacy that the sender and reciever expect privacy. |
| A. | confidentiality |
| B. | integrity |
| C. | authentication |
| D. | Authorization |
| Answer» A. confidentiality | |
| 2. |
Message_____ means that the data must arrive at the reciever exactly as sent |
| A. | confidentiality |
| B. | integrity |
| C. | authentication |
| D. | Authorization |
| Answer» B. integrity | |
| 3. |
Message _______ means that the receiver is ensured that the message message is coming from the indended sender not an imposter. |
| A. | confidentiality |
| B. | integrity |
| C. | authentication |
| D. | Authorization |
| Answer» C. authentication | |
| 4. |
__________means that a sender must not be able to deny sending a message that he sent. |
| A. | Confidentiality |
| B. | Integrity |
| C. | Authentication |
| D. | Nonrepudiation |
| Answer» D. Nonrepudiation | |
| 5. |
A(n) can be used to preserve the integrity of a document or a message. |
| A. | message digest |
| B. | message summary |
| C. | encrypted message |
| D. | ENCRYPTION |
| Answer» A. message digest | |
| 6. |
A(n) function creates a message digest out of a message. |
| A. | encryption |
| B. | decryption |
| C. | hash |
| D. | integrity |
| Answer» C. hash | |
| 7. |
A hash function must meet criteria. |
| A. | two |
| B. | three |
| C. | four |
| D. | ten |
| Answer» B. three | |
| 8. |
Password-based authentication can be divided into two broad categories: and _____ |
| A. | fixed; variable |
| B. | time-stamped; fixed |
| C. | fixed; one-time |
| D. | none of the above |
| Answer» C. fixed; one-time | |
| 9. |
_ creates a secret key only between a member and the center. |
| A. | CA |
| B. | KDC |
| C. | KDD |
| D. | CD |
| Answer» B. KDC | |
| 10. |
The secret key between members needs to be created as a ________ key when two members contact KDC. |
| A. | public |
| B. | session |
| C. | complimentary |
| D. | private |
| Answer» B. session | |
| 11. |
is a popular session key creator protocol that requires an authentica |
| A. | KDC |
| B. | Kerberos |
| C. | CA ion server and a ticket-granting server. |
| D. | CD |
| Answer» A. KDC | |
| 12. |
A(n) is a hierarchical system that answers queries about key certification. |
| A. | KDC |
| B. | PKI |
| C. | CA |
| D. | CD |
| Answer» C. CA | |
| 13. |
Firewalls are to protect against |
| A. | Virus Attacks |
| B. | Fire Attacks |
| C. | Data Driven Attacks |
| D. | Unauthorized Attacks |
| Answer» D. Unauthorized Attacks | |
| 14. |
The ________criterion ensures that we cannot find two messages that hash to the same digest |
| A. | one-wayness |
| B. | weak-collision-resistance |
| C. | strong-collision-resistance |
| D. | Keyless |
| Answer» B. weak-collision-resistance | |
| 15. |
_______________________ is a term used in cryptography that refers to a message before encryption or after decryption. |
| A. | Cipher text |
| B. | Plain text |
| C. | Plain script |
| D. | Original text |
| Answer» B. Plain text | |
| 16. |
The ________ is encrypted text |
| A. | cipher text |
| B. | cipher scricpt |
| C. | secret text |
| D. | secret script |
| Answer» C. secret text | |
| 17. |
_______________________ ensures that information are in a format that is true and correct to its original purposes. |
| A. | Availability |
| B. | Confidentiality |
| C. | Cryptography |
| D. | Integrity |
| Answer» A. Availability | |
| 18. |
_____________________ ensures that information and resources are available to those who need them. |
| A. | Availability |
| B. | Confidentiality |
| C. | Cryptography |
| D. | Integrity |
| Answer» D. Integrity | |
| 19. |
_______________________ is the process of identifying an individual, usually based on a username and password. |
| A. | Authentication |
| B. | Authorization |
| C. | integrity |
| D. | crytography |
| Answer» A. Authentication | |
| 20. |
___________________ is the process of giving individuals access to system objects based on their identity. |
| A. | Authentication |
| B. | Authorization |
| C. | key |
| D. | Confidentiality |
| Answer» B. Authorization | |
| 21. |
In symmetric-key cryptography, the key locks and unlocks the box is |
| A. | Same |
| B. | shared |
| C. | private |
| D. | Public |
| Answer» A. Same | |
| 22. |
The ciphers of today are called round ciphers because they involve |
| A. | Single Round |
| B. | Double Rounds |
| C. | Multiple Round |
| D. | Round about |
| Answer» C. Multiple Round | |
| 23. |
Symmetric-key cryptography started thousands of years ago when people needed to exchange |
| A. | Files |
| B. | Packets |
| C. | Secrets |
| D. | Tr |
| Answer» A. Files | |
| 24. |
The Advanced Encryption Standard (AES) was designed |
| A. | National Institute of Standards and Technology |
| B. | IBM |
| C. | HP |
| D. | Intel |
| Answer» A. National Institute of Standards and Technology | |
| 25. |
The Mobile Application Protocol (MAP) typically runs on top of which protocol ? |
| A. | SNMP (Simple Network Management Protocol) |
| B. | SMTP (Simple Mail Transfer Protocol) |
| C. | SS7 (Signalling System 7) |
| D. | HTTP (Hyper Text Tr |
| Answer» C. SS7 (Signalling System 7) | |
| 26. |
If a packet arrive with an M-bit value is '1' and a fragmentation offset value '0', then it is ______ fragment. |
| A. | First |
| B. | Middle |
| C. | Last |
| D. | Four |
| Answer» A. First | |
| 27. |
The design issue of Datalink Layer in OSI Reference Model is |
| A. | Framing |
| B. | Representation of bits |
| C. | Synchronization of bits |
| D. | Connection control |
| Answer» A. Framing | |
| 28. |
Data Encryption Techniques are particularly used for _______. |
| A. | protecting data in Data Communication System |
| B. | reduce Storage Space Requirement |
| C. | enhances Data Integrity |
| D. | decreases Data Integrity |
| Answer» A. protecting data in Data Communication System | |
| 29. |
An example of a layer that is absent in broadcast networks is: |
| A. | Physical layer |
| B. | Presentation layer |
| C. | Network layer Application layer |
| D. | none |
| Answer» C. Network layer Application layer | |
| 30. |
Encryption and Decryption is the responsibility of ___ Layer. |
| A. | Physical |
| B. | Network |
| C. | Application |
| D. | Datalink |
| Answer» C. Application | |
| 31. |
The VLF and LF bauds use propagation for communication |
| A. | Ground |
| B. | Sky |
| C. | Line of sight |
| D. | Space |
| Answer» A. Ground | |
| 32. |
The start and stop bits are used in serial communication for |
| A. | error detection |
| B. | error correction |
| C. | Synchronization |
| D. | slowing down the communication |
| Answer» C. Synchronization | |
| 33. |
___________ is a type of transmission impairment in which the Signal looses strength due to The resistance of the transmission medium. |
| A. | Attenuation |
| B. | Distortion |
| C. | Noise |
| D. | Decible |
| Answer» A. Attenuation | |
| 34. |
________________ is a bit-oriented protocol for communication over point-to-point and multi-point links . |
| A. | Stop-and-wait |
| B. | HDLC |
| C. | Sliding window |
| D. | Go-back-N |
| Answer» A. Stop-and-wait | |
| 35. |
In substitution, a character in the plaintext is always changed to the same character in the ciphertext, regardless of its position in the text. |
| A. | polyalphabetic |
| B. | mono alphabetic |
| C. | Transpositional |
| D. | multialphabetic |
| Answer» B. mono alphabetic | |
| 36. |
Which of the following is not associated with the session layer ? |
| A. | Dialog control |
| B. | Token management |
| C. | Semantics of the information transmitted |
| D. | Synchronization |
| Answer» C. Semantics of the information transmitted | |
| 37. |
What is the size of the 'total length' field in IPv4 datagram ? |
| A. | 4 bits |
| B. | 8 bits |
| C. | 16 bits |
| D. | 32 bits |
| Answer» C. 16 bits | |
| 38. |
The process of dividing an analog signal into a string of discrete outputs, each of constant amplitude, is called : |
| A. | Strobing |
| B. | Amplification |
| C. | Conditioning |
| D. | Quantization |
| Answer» D. Quantization | |
| 39. |
Which transmission technique guarantees that data packets will be received by the receiver in the same order in which they were sent by the sender. |
| A. | Broadcasting |
| B. | Unicasting |
| C. | Packet switching |
| D. | Circuit switching |
| Answer» D. Circuit switching | |
| 40. |
Which of the following control fields in TCP header is used to specify whether the sender has no more data to transmit? |
| A. | FIN |
| B. | RST |
| C. | SYN |
| D. | PSH |
| Answer» A. FIN | |
| 41. |
Which are the two modes of IP security? |
| A. | Transport and certificate |
| B. | Transport and tunnel |
| C. | Certificate and tunnel |
| D. | Preshared and tr |
| Answer» A. Transport and certificate | |
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