What is an encryption system that uses two keys: a public key that everyone can have and a private key for only the recipient? a. Encryption b. Public key encryption c. Intrusion‐detection software d. Security‐auditing software

What is an encryption system that uses two keys: a public key that everyone can have
and a private key for only the recipient?
a. Encryption
b. Public key encryption
c. Intrusion‐detection software
d. Security‐auditing software
by

1 Answer

Answer :

b. Public key encryption
by

Related questions

What looks for people on the network who shouldn't be there or who are acting suspiciously? a. Encryption b. Public key encryption c. Intrusion‐detection software d. Security‐auditing software

Description : What looks for people on the network who shouldn't be there or who are acting suspiciously? a. Encryption b. Public key encryption c. Intrusion‐detection software d. Security‐auditing software

Last Answer : c. Intrusion‐detection software

What scrambles the contents of a file so you can't read it without having the right decryption key? a. Encryption b. Intrusion‐detection software c. Security‐auditing software d. All of the above

Description : What scrambles the contents of a file so you can't read it without having the right decryption key? a. Encryption b. Intrusion‐detection software c. Security‐auditing software d. All of the above

Last Answer : a. Encryption

Public key encryption uses multiple keys. One key is used to encrypt data, while another is used to decrypt data. The key used to encrypt data is called the _____ key, while the key used to decrypt data is called the _____ key. a. encryption, decryption b. private, public c. encryption, public d. public, private

Description : Public key encryption uses multiple keys. One key is used to encrypt data, while another is used to decrypt data. The key used to encrypt data is called the _____ key, while the key used to ... the _____ key. a. encryption, decryption b. private, public c. encryption, public d. public, private

Last Answer : d. public, private

What checks out your computer or network for potential weaknesses? a. Encryption b. Public key encryption c. Security‐auditing software d. None of the above

Description : What checks out your computer or network for potential weaknesses? a. Encryption b. Public key encryption c. Security‐auditing software d. None of the above

Last Answer : c. Security‐auditing software

Public key encryption method is a system a. which uses a set of public keys one for each participant in e-Commerce b. in which each person who wants to communicate has two keys; a private key known to him only and a public key which is publicized to enable others to send message to him. c. which uses the RSA coding system. d. which is a standard for use in e-Commerce.

Description : Public key encryption method is a system a. which uses a set of public keys one for each participant in e-Commerce b. in which each person who wants to communicate has two keys; a private key known to him ... him. c. which uses the RSA coding system. d. which is a standard for use in e-Commerce.  

Last Answer : b. in which each person who wants to communicate has two keys; a private key known to him only and a public key which is publicized to enable others to send message to him.

A combination of software and information designed to provide security and information for payment is called a what? a. digital wallet b. pop up ad c. shopping cart d. encryption

Description : A combination of software and information designed to provide security and information for payment is called a what? a. digital wallet b. pop up ad c. shopping cart d. encryption

Last Answer : a. digital wallet

By symmetric key encryption we mean a. one private key is used for both encryption and decryption b. private and public key used are symmetric c. only public keys are used for encryption d. only symmetric key is used for encryption

Description : By symmetric key encryption we mean a. one private key is used for both encryption and decryption b. private and public key used are symmetric c. only public keys are used for encryption d. only symmetric key is used for encryption

Last Answer : D

The practice of forging a return address on an e‐mail so that the recipient is fooled into revealing private information is termed? a. hacking b. cracking c. dumpster diving d. spoofing

Description : The practice of forging a return address on an e‐mail so that the recipient is fooled into revealing private information is termed? a. hacking b. cracking c. dumpster diving d. spoofing

Last Answer : d. spoofing

Find the false statement: (A) In Modern Cryptography, symmetric key algorithms use same key both for Encryption and Decryption. (B) The Symmetric cipher DES (Data Encryption Standard) was widely used in the industry for security product. (C) The AES (Advanced Encryption Standard) cryptosystem allows variable key lengths of size 56 bits and 124 bits. (D) Public key algorithms use two different keys for Encryption and Decryption.

Description : Find the false statement: (A) In Modern Cryptography, symmetric key algorithms use same key both for Encryption and Decryption. (B) The Symmetric cipher DES (Data Encryption Standard) was widely used ... and 124 bits. (D) Public key algorithms use two different keys for Encryption and Decryption.

Last Answer : (C) The AES (Advanced Encryption Standard) cryptosystem allows variable key lengths of size 56 bits and 124 bits.

Triple DES a. is a symmetric key encryption method b. guarantees excellent security c. is implementable as a hardware VLSI chip d. is public key encryption method with three keys.

Description : Triple DES a. is a symmetric key encryption method b. guarantees excellent security c. is implementable as a hardware VLSI chip d. is public key encryption method with three keys. 

Last Answer : b. guarantees excellent security  

Which one is not used as a security mechanism? a. Encryption b. Cryptography c. Wallets d. Digital signature

Description : Which one is not used as a security mechanism? a. Encryption b. Cryptography c. Wallets d. Digital signature

Last Answer : c. Wallets

Which of the following is not related to security mechanism a. encryption b. decryption c. e‐cash d. all the above

Description : Which of the following is not related to security mechanism a. encryption b. decryption c. e‐cash d. all the above

Last Answer : c. e‐cash

Which of the following is a useful security mechanism when considering business strategy and IT? a. encryption b. decryption c. firewall d. all the above

Description : Which of the following is a useful security mechanism when considering business strategy and IT? a. encryption b. decryption c. firewall d. all the above

Last Answer : d. all the above

Public key cryptography is also known as ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐cryptography. a. Private key b. Symmetric c. Asymmetric d. None

Description : Public key cryptography is also known as ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐cryptography. a. Private key b. Symmetric c. Asymmetric d. None

Last Answer : c. Asymmetric

Private Key cryptography is also known as ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐cryptography. a. Public key b. Symmetric c. Asymmetric d. None

Description : Private Key cryptography is also known as ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐cryptography. a. Public key b. Symmetric c. Asymmetric d. None

Last Answer : b. Symmetric

Secret key is used for a. Public key cryptography b. Private key cryptography c. Asymmetric key cryptography d. None of these

Description : Secret key is used for a. Public key cryptography b. Private key cryptography c. Asymmetric key cryptography d. None of these

Last Answer : b. Private key cryptography

Public key system is useful because a. it uses two keys. b. there is no key distribution problem as public key can be kept in a commonly accessible database. c. private key can be kept secret. d. it is a symmetric key system.

Description : Public key system is useful because a. it uses two keys. b. there is no key distribution problem as public key can be kept in a commonly accessible database. c. private key can be kept secret. d. it is a symmetric key system. 

Last Answer : b. there is no key distribution problem as public key can be kept in a commonly accessible database.  

The study of encryption is called‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ a. Decryption b. Cryptography c. Firewall d. All the above

Description : The study of encryption is called‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ a. Decryption b. Cryptography c. Firewall d. All the above

Last Answer : b. Cryptography

Which one is a threat for E‐commerce a. Trojan horse b. firewall c. encryption d. None

Description : Which one is a threat for E‐commerce a. Trojan horse b. firewall c. encryption d. None

Last Answer : a. Trojan horse

Which one is an encryption technique? a. RSA b. DES c. AES d. All of the above

Description : Which one is an encryption technique? a. RSA b. DES c. AES d. All of the above

Last Answer : d. All of the above

Which one is not an encryption technique? a. RSA b. DES c. AES d. FTP

Description : Which one is not an encryption technique? a. RSA b. DES c. AES d. FTP

Last Answer : d. FTP

Which one is not a encryption technique a. RSA b. DES c. AES d. NONE OF THE ABOVE

Description : Which one is not a encryption technique a. RSA b. DES c. AES d. NONE OF THE ABOVE

Last Answer : d. NONE OF THE ABOVE

Smart card is better protected than other cards using a. Encryption b. Firewall c. Hub d. All the above

Description : Smart card is better protected than other cards using a. Encryption b. Firewall c. Hub d. All the above

Last Answer : a. Encryption

What is A stands in CIA of smart card? a. auditing b. authenticity c. authorized d. None of the above

Description : What is A stands in CIA of smart card? a. auditing b. authenticity c. authorized d. None of the above

Last Answer : b. authenticity

What is a program, when installed on a computer, records every keystroke and mouse click? a. Key logger software b. Hardware key logger c. Cookie d. Adware

Description : What is a program, when installed on a computer, records every keystroke and mouse click? a. Key logger software b. Hardware key logger c. Cookie d. Adware

Last Answer : a. Key logger software

Which of the following captures screen images? a. Key logger b. Packet sniffer c. Log analysis tools d. Screen capture software

Description : Which of the following captures screen images? a. Key logger b. Packet sniffer c. Log analysis tools d. Screen capture software

Last Answer : d. Screen capture software

What is an internal organizational Internet that is guarded against outside access by a special security feature called a firewall (which can be software, hardware, or a combination of the two)? a. Client/server network b. Intranet c. Extranet d. Thin client

Description : What is an internal organizational Internet that is guarded against outside access by a special security feature called a firewall (which can be software, hardware, or a combination of the two)? a. Client/server network b. Intranet c. Extranet d. Thin client

Last Answer : b. Intranet

In public key encryption system if A encrypts a message using his private key and sends it to B a. if B knows it is from A he can decrypt it using A’s public key b. Even if B knows who sent the message it cannot be decrypted c. It cannot be decrypted at all as no one knows A’s private key d. A should send his public key with the message

Description : In public key encryption system if A encrypts a message using his private key and sends it to B a. if B knows it is from A he can decrypt it using A's public key b. Even if B knows who sent the ... be decrypted at all as no one knows A's private key d. A should send his public key with the message

Last Answer : a. if B knows it is from A he can decrypt it using A’s public key 

What is software that comes hidden in free downloadable software and tracks your online movements, mines the information stored on your computer, or uses your computer's CPU and storage for some task you know nothing about? a. Web log b. Clickstream c. Anonymous Web browsing service d. None of the above

Description : What is software that comes hidden in free downloadable software and tracks your online movements, mines the information stored on your computer, or uses your computer's CPU and storage for some task you know ... about? a. Web log b. Clickstream c. Anonymous Web browsing service d. None of the above

Last Answer : d. None of the above

Encryption of data is important to ensure its privacy. It is most commonly achieved by using a ____. A. public-key encryption B. private-key encryption C. password-key encryption D. character set encryption

Description : Encryption of data is important to ensure its privacy. It is most commonly achieved by using a ____. A. public-key encryption B. private-key encryption C. password-key encryption D. character set encryption

Last Answer : A. public-key encryption

In public key encryption if A wants to send an encrypted message a. A encrypts message using his private key b. A encrypts message using B’s private key c. A encrypts message using B’s public key d. A encrypts message using his public key

Description : In public key encryption if A wants to send an encrypted message a. A encrypts message using his private key b. A encrypts message using B’s private key c. A encrypts message using B’s public key d. A encrypts message using his public key  

Last Answer : c. A encrypts message using B’s public key 

DES (i) is a symmetric key encryption method (ii)guarantees absolute security (iii) is implementable as hardware VLSI chip (iv) is a public key encryption method a. i and ii b. ii and iii c. i and iii d. iii and iv

Description : DES (i) is a symmetric key encryption method (ii)guarantees absolute security (iii) is implementable as hardware VLSI chip (iv) is a public key encryption method a. i and ii b. ii and iii c. i and iii d. iii and iv

Last Answer : c. i and iii 

Symmetric - key cryptography refers to ______methods in which both the sender and receiver share the same key ( or , less commonly, in which their keys are different but related in an easily computable way): a) Encryption b) Decryption c) Both of above d) None of These

Description : Symmetric - key cryptography refers to ______methods in which both the sender and receiver share the same key ( or , less commonly, in which their keys are different but related in an easily computable way): a) Encryption b) Decryption c) Both of above d) None of These

Last Answer : a) Encryption

Symmetric - key cryptography refers to ______methods in which both the sender and receiver share the same key ( or , less commonly, in which their keys are different but related in an easily computable way): a) Encryption b) Decryption c) Both of above d) None of These

Description : Symmetric - key cryptography refers to ______methods in which both the sender and receiver share the same key ( or , less commonly, in which their keys are different but related in an easily computable way): a) Encryption b) Decryption c) Both of above d) None of These

Last Answer : a) Encryption

If there are N people in the world and are using secret key encryption/decryption for privacy purpose, then number of secret keys required will be: (A) N (B) (N-1) (C) N(N-1)/2 (D) N(N+1)/2

Description : If there are N people in the world and are using secret key encryption/decryption for privacy purpose, then number of secret keys required will be: (A) N (B) (N-1) (C) N(N-1)/2 (D) N(N+1)/2

Last Answer : (C) N(N-1)/2 

In cheque payment protocol, the purchase order form is signed by purchaser using a. his public key b. his private key c. his private key using his signature hardware d. various public keys

Description : In cheque payment protocol, the purchase order form is signed by purchaser using a. his public key b. his private key c. his private key using his signature hardware d. various public keys

Last Answer : c. his private key using his signature hardware  

The responsibility of a certification authority for digital signature is to authenticate the a. hash function used b. private keys of subscribers c. public keys of subscribers d. key used in DES

Description : The responsibility of a certification authority for digital signature is to authenticate the a. hash function used b. private keys of subscribers c. public keys of subscribers d. key used in DES 

Last Answer : c. public keys of subscribers  

What harnesses far‐flung computers together by way of the Internet or a virtual private network to share CPU power, databases, and database storage? a. Computer virus b. Worm c. Denial‐of‐service attack d. None of the above

Description : What harnesses far‐flung computers together by way of the Internet or a virtual private network to share CPU power, databases, and database storage? a. Computer virus b. Worm c. Denial‐of‐service attack d. None of the above

Last Answer : d. None of the above

Secure Sockets Layers does which of the following? a. creates a secure, private connection to a web server b. encrypts information c. sends information over the internet d. all of the above

Description : Secure Sockets Layers does which of the following? a. creates a secure, private connection to a web server b. encrypts information c. sends information over the internet d. all of the above

Last Answer : d. all of the above

Which of the following records logons and deletions? a. Key logger b. Packet sniffer c. Log analysis tools d. Screen captures

Description : Which of the following records logons and deletions? a. Key logger b. Packet sniffer c. Log analysis tools d. Screen captures

Last Answer : c. Log analysis tools

Which of the following examines information passing through switches, hubs, or routers? a. Key logger b. Packet sniffer c. Log analysis tools d. Screen captures

Description : Which of the following examines information passing through switches, hubs, or routers? a. Key logger b. Packet sniffer c. Log analysis tools d. Screen captures

Last Answer : b. Packet sniffer

During E‐commerce transaction we should ensure‐‐‐‐‐‐‐‐‐‐‐‐‐ a. Integrity b. Security c. Confidentiality d. All the above

Description : During E‐commerce transaction we should ensure‐‐‐‐‐‐‐‐‐‐‐‐‐ a. Integrity b. Security c. Confidentiality d. All the above

Last Answer : d. All the above

Which one is a communication channel security protocol? a. SSL b. S‐HTTP c. SET d. ALL OF THE ABOVE

Description : Which one is a communication channel security protocol? a. SSL b. S‐HTTP c. SET d. ALL OF THE ABOVE

Last Answer : d. ALL OF THE ABOVE

What is the process of evaluating IT assets, their importance to the organization, and their susceptibility to threats, to measure the risk exposure of these assets? a. Risk management b. Risk assessment c. Security d. None of the above

Description : What is the process of evaluating IT assets, their importance to the organization, and their susceptibility to threats, to measure the risk exposure of these assets? a. Risk management b. Risk assessment c. Security d. None of the above

Last Answer : b. Risk assessment

What consists of the identification of risks or threats, the implementation of security measures, and the monitoring of those measures for effectiveness? a. Risk management b. Risk assessment c. Security d. None of the above

Description : What consists of the identification of risks or threats, the implementation of security measures, and the monitoring of those measures for effectiveness? a. Risk management b. Risk assessment c. Security d. None of the above

Last Answer : a. Risk management

Which of the smart card uses a sim like structure for reading and writing data a) Contact smart card b) Contactless smart card c) Proximity smart card d) Both B and C

Description : Which of the smart card uses a sim like structure for reading and writing data a) Contact smart card b) Contactless smart card c) Proximity smart card d) Both B and C

Last Answer : a) Contact smart card

Which one is the component of cybercash payment system a. CC user software b. CC merachant software c. CC Server Software d. All of the above

Description : Which one is the component of cybercash payment system a. CC user software b. CC merachant software c. CC Server Software d. All of the above

Last Answer : d. All of the above

Security methods such as private encryption, VLANs and firewalls comes under __________ subject area. a) Accounting Management b) Compliance c) Data Privacy d) All of the mentioned

Description : Security methods such as private encryption, VLANs and firewalls comes under __________ subject area. a) Accounting Management b) Compliance c) Data Privacy d) All of the mentioned

Last Answer : Data Privacy

Which of the following can be used to help identify people in a crowd? a. Biochip b. Implant chip c. Facial recognition software d. Vision chip

Description : Which of the following can be used to help identify people in a crowd? a. Biochip b. Implant chip c. Facial recognition software d. Vision chip

Last Answer : c. Facial recognition software