Main function of proxy application gateway firewall is a. to allow corporate users to use efficiently all internet services b. to allow intranet users to securely use specified internet services c. to allow corporate users to use all internet services d. to prevent corporate users from using internet services

Main function of proxy application gateway firewall is

a. to allow corporate users to use efficiently all internet services

b. to allow intranet users to securely use specified internet services

c. to allow corporate users to use all internet services

d. to prevent corporate users from using internet services


by

1 Answer

Answer :

b. to allow intranet users to securely use specified internet services 
by

Related questions

A hardened firewall host on an intranet (i) has a proxy application gateway program running on it (ii)Allows specified internet users to access specified services in the intranet (iii) Initiates all internet activities requested by clients and monitors them (iv) prevents outsiders from accessing IP addresses within the intranet a. i, ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Description : A hardened firewall host on an intranet (i) has a proxy application gateway program running on it (ii)Allows specified internet users to access specified services in the intranet (iii) Initiates all internet activities requested by clients ... ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Last Answer : c. i, ii, iii, iv 

Proxy application gateway (i) acts on behalf of all intranet users wanting to access interne securely (ii)monitors all accesses to internet and allows access to only specified IP addresses (iii) disallows use of certain protocols with security problems (iv) disallows all internet users from accessing intranet a. i, ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Description : Proxy application gateway (i) acts on behalf of all intranet users wanting to access interne securely (ii)monitors all accesses to internet and allows access to only specified IP addresses (iii) disallows use of certain protocols with ... ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Last Answer : b. i, ii, iii 

A firewall is a a. wall built to prevent fires from damaging a corporate intranet b. security device deployed at the boundary of a company to prevent unauthorized physical access c. security device deployed at the boundary of a corporate intranet to protect it from unauthorized access d. device to prevent all accesses from the internet to the corporate intranet

Description : A firewall is a a. wall built to prevent fires from damaging a corporate intranet b. security device deployed at the boundary of a company to prevent unauthorized physical access c. ... it from unauthorized access d. device to prevent all accesses from the internet to the corporate intranet

Last Answer : c. security device deployed at the boundary of a corporate intranet to protect it from unauthorized access

A firewall may be implemented in a. routers which connect intranet to internet b. bridges used in an intranet c. expensive modem d. user’s application programs

Description : A firewall may be implemented in a. routers which connect intranet to internet b. bridges used in an intranet c. expensive modem d. user’s application programs

Last Answer : a. routers which connect intranet to internet 

Firewall as part of a router program a. filters only packets coming from internet b. filters only packets going to internet c. filters packets travelling from and to the intranet from the internet d. ensures rapid traffic of packets for speedy e-Commerce

Description : Firewall as part of a router program a. filters only packets coming from internet b. filters only packets going to internet c. filters packets travelling from and to the intranet from the internet d. ensures rapid traffic of packets for speedy e-Commerce

Last Answer : c. filters packets travelling from and to the intranet from the internet 

EDI use a. requires an extranet b. requires value added network c. can be done on internet d. requires a corporate intranet

Description : EDI use a. requires an extranet b. requires value added network c. can be done on internet d. requires a corporate intranet

Last Answer : c. can be done on internet 

A hardened firewall host on an Intranet is a. a software which runs in any of the computers in the intranet b. a software which runs on a special reserved computer on the intranet c. a stripped down computer connected to the intranet d. a mainframe connected to the intranet to ensure security

Description : A hardened firewall host on an Intranet is a. a software which runs in any of the computers in the intranet b. a software which runs on a special reserved computer on the intranet c. a stripped down computer connected to the intranet d. a mainframe connected to the intranet to ensure security

Last Answer : b. a software which runs on a special reserved computer on the intranet 

Message can be sent more securely using DES by a. encrypting plain text by a different randomly selected key for each transmission b. encrypting plain text by a different random key for each message transmission and sending the key to the receiver using a public key system c. using an algorithm to implement DES instead of using hardware d. designing DES with high security and not publicizing algorithm used by it

Description : Message can be sent more securely using DES by a. encrypting plain text by a different randomly selected key for each transmission b. encrypting plain text by a different random key for each ... instead of using hardware d. designing DES with high security and not publicizing algorithm used by it  

Last Answer : b. encrypting plain text by a different random key for each message transmission and sending the key to the receiver using a public key system

Encryption is required to (i) protect business information from eavesdropping when it is transmitted on internet (ii)efficiently use the bandwidth available in PSTN (iii) to protect information stored in companies’ databases from retrieval (iv) to preserve secrecy of information stored in databases if an unauthorized person retrieves it a. i and ii b. ii and iii c. iii and iv d. i and iv

Description : Encryption is required to (i) protect business information from eavesdropping when it is transmitted on internet (ii)efficiently use the bandwidth available in PSTN (iii) to protect information stored in companies' databases from ... a. i and ii b. ii and iii c. iii and iv d. i and iv

Last Answer : d. i and iv 

Which among the following is correct characteristics about proxy server: a) A proxy server may act as a firewall by responding to input packets in the manner of an application while blocking other packets. b) A proxy server is a gateway from one network to another for a specific network application c) It performs its tasks or functions as a proxy on behalf of the network user; d) All of the Above e) None of These

Description : Which among the following is correct characteristics about proxy server: a) A proxy server may act as a firewall by responding to input packets in the manner of an application while blocking other packets. b) A ... as a proxy on behalf of the network user; d) All of the Above e) None of These

Last Answer : d) All of the Above

For carrying out C2C e-Commerce the following infrastructure is essential (i) World Wide Web (ii) Corporate network (iii) Electronic Data Interchange standards (iv) Secure Payment Services (v)Secure electronic communication link connecting businesses a. i and ii b. ii and iv c. i and iii d. i and iv

Description : For carrying out C2C e-Commerce the following infrastructure is essential  (i) World Wide Web  (ii) Corporate network  (iii) Electronic Data Interchange standards  (iv) Secure Payment Services  (v)Secure electronic communication link ... a. i and ii b. ii and iv c. i and iii d. i and iv

Last Answer : c. i and iii  

For carrying out B2C e-Commerce the following infrastructure is essential (i) World Wide Web (ii) Corporate network (iii) Electronic Data Interchange standards (iv) Secure Payment Services (v) Secure electronic communication link connecting businesses a. i, iv b. i, iii, iv c. ii, iii d. i, ii, iii, iv

Description : For carrying out B2C e-Commerce the following infrastructure is essential  (i) World Wide Web  (ii) Corporate network  (iii) Electronic Data Interchange standards  (iv) Secure Payment Services  (v) Secure electronic communication link ... . i, iv b. i, iii, iv c. ii, iii d. i, ii, iii, iv

Last Answer : a. i, iv

For carrying out B2B e-Commerce the following infrastructure is essential: (i) World Wide Web (ii) Corporate network (iii) Electronic Data Interchange standards (iv) Secure Payment Services (v)Secure electronic communication link connecting businesses a. i, ii, iii b. ii, iii, iv c. ii, iii, iv, v d. i, ii, iii, iv, v

Description : For carrying out B2B e-Commerce the following infrastructure is essential:  (i) World Wide Web  (ii) Corporate network  (iii) Electronic Data Interchange standards  (iv) Secure Payment Services  (v)Secure electronic communication link ... . ii, iii, iv c. ii, iii, iv, v d. i, ii, iii, iv, v

Last Answer : c. ii, iii, iv, v 

Filtering of packets by firewall based on a router has facilities to a. i, iii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Description : Filtering of packets by firewall based on a router has facilities to a. i, iii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Last Answer : b. i, ii, iii 

In B2B e-Commerce (i) Co-operating Business should give an EDI standard to be used (ii) Programs must be developed to translate EDI forms to a form accepted by application program (iii) Method of transmitting/receiving data should be mutually agreed (iv) It is essential to use internet a. i, ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Description : In B2B e-Commerce (i) Co-operating Business should give an EDI standard to be used (ii) Programs must be developed to translate EDI forms to a form accepted by application program (iii) Method of transmitting/receiving data should be ... . i, ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Last Answer : b. i, ii, iii 

In NetBill’s protocol for small payments for internet services (i) Key to decrypt information is sent to customer by NetBill only when there is enough amount in debit account (ii) The vendor supplies the key to NetBill server when he receives payment (iii) Checksum of encrypted information received by customer is attached to his payment order (iv) Vendor does not encrypt information purchased by customer a. i, ii b. i, ii, iii c. i, ii, iii, iv d. i, ii, iv

Description : In NetBill's protocol for small payments for internet services (i) Key to decrypt information is sent to customer by NetBill only when there is enough amount in debit account (ii) The vendor supplies the key to NetBill server when he ... i, ii b. i, ii, iii c. i, ii, iii, iv d. i, ii, iv

Last Answer : b. i, ii, iii 

In the NetBill’s protocol for small payments for services available in the internet. (i) the customer is charged only when the information is delivered (ii)the vendor is guaranteed payment when information is delivered (iii) the customer must have a certified credit card (iv) the customer must have a valid public key a. i, ii b. i, ii, iii c. i, ii, iii, iv d. i, ii, iv

Description : In the NetBill's protocol for small payments for services available in the internet. (i) the customer is charged only when the information is delivered (ii)the vendor is guaranteed payment when information is delivered  (iii) the customer ... , ii b. i, ii, iii c. i, ii, iii, iv d. i, ii, iv 

Last Answer : d. i, ii, iv

The Secure Electronic Transaction protocol is used for a. credit card payment b. cheque payment c. electronic cash payments d. payment of small amounts for internet services

Description : The Secure Electronic Transaction protocol is used for a. credit card payment b. cheque payment c. electronic cash payments d. payment of small amounts for internet services 

Last Answer : a. credit card payment  

Which of the following systems run an application layer firewall using proxy software? 1) Proxy NAT 2) Proxy client 3) Client 32 4) Proxy server

Description : Which of the following systems run an application layer firewall using proxy software? 1) Proxy NAT 2) Proxy client 3) Client 32 4) Proxy server

Last Answer : 4) Proxy server

Which of the following systems run an application layer firewall using proxy software? 1 Proxy NAT 2 Proxy client 3 Client 32 4 Proxy server

Description : Which of the following systems run an application layer firewall using proxy software? 1 Proxy NAT 2 Proxy client 3 Client 32 4 Proxy server

Last Answer : 4 Proxy server

By Electronic Commerce we mean: a. Commerce of electronic goods b. Commerce which depends on electronics c. Commerce which is based on the use of internet d. Commerce which is based on transactions using computers connected by telecommunication network

Description : By Electronic Commerce we mean: a. Commerce of electronic goods b. Commerce which depends on electronics c. Commerce which is based on the use of internet d. Commerce which is based on transactions using computers connected by telecommunication network

Last Answer : d. Commerce which is based on transactions using computers connected by telecommunication network

Electronic Data Interchange is necessary in a. B2C e-Commerce b. C2C e-Commerce c. B2B e-Commerce d. Commerce using internet

Description : Electronic Data Interchange is necessary in a. B2C e-Commerce b. C2C e-Commerce c. B2B e-Commerce d. Commerce using internet

Last Answer : c. B2B e-Commerce 

B2C commerce a. includes services such as legal advice b. means only shopping for physical goods c. means only customers should approach customers to sell d. means only customers should approach business to buy

Description : B2C commerce a. includes services such as legal advice b. means only shopping for physical goods c. means only customers should approach customers to sell d. means only customers should approach business to buy

Last Answer : a. includes services such as legal advice 

Advantages of B2C commerce are (i) Business gets a wide reach to customers (ii) Payment for services easy (iii)Shop can be open 24 hours a day seven days a week (iv)Privacy of transaction always maintained a. i and ii b. ii and iii c. i and iii d. iii and iv

Description : Advantages of B2C commerce are  (i) Business gets a wide reach to customers  (ii) Payment for services easy  (iii)Shop can be open 24 hours a day seven days a week  (iv)Privacy of transaction always maintained a. i and ii b. ii and iii c. i and iii d. iii and iv

Last Answer : c. i and iii  

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

By security in e-Commerce we mean (i) Protecting an organization’s data resource from unauthorized access (ii)Preventing disasters from happening (iii) Authenticating messages received by an organization (iv) Protecting messages sent on the internet from being read and understood by unauthorized persons/organizations a. i, ii b. ii, iii c. iii, iv d. i, iii, iv

Description : By security in e-Commerce we mean (i) Protecting an organization's data resource from unauthorized access (ii)Preventing disasters from happening (iii) Authenticating messages received by an organization (iv) Protecting messages sent on ... a. i, ii b. ii, iii c. iii, iv d. i, iii, iv

Last Answer : It's D

For secure EDI transmission on internet a. MIME is used b. S/MIME is used c. PGP is used d. TCP/IP is used

Description : For secure EDI transmission on internet a. MIME is used b. S/MIME is used c. PGP is used d. TCP/IP is used

Last Answer : b. S/MIME is used 

EDI over internet uses a. MIME to attach EDI forms to e-mail messages b. FTP to send business forms c. HTTP to send business forms d. SGML to send business forms

Description : EDI over internet uses a. MIME to attach EDI forms to e-mail messages b. FTP to send business forms c. HTTP to send business forms d. SGML to send business forms

Last Answer : a. MIME to attach EDI forms to e-mail messages 

Disadvantages of e-Commerce in India are (i) internet access is not universally available (ii) Credit card payment security is not yet guaranteed (iii) Transactions are de-personalized and human contact is missing (iv) Cyberlaws are not in place a. i and ii b. ii and iii c. i, ii, iii d. i, ii, iii, iv

Description : Disadvantages of e-Commerce in India are  (i) internet access is not universally available  (ii) Credit card payment security is not yet guaranteed  (iii) Transactions are de-personalized and human contact is missing  (iv) Cyberlaws ... i and ii b. ii and iii c. i, ii, iii d. i, ii, iii, iv

Last Answer : c. i, ii, iii  

State whether the following statement are true. i) An application-level gateway is often referred to as a proxy. ii) In proxy, a direct connection is established between the client and destination server. A) True, False B) False, True C) True, True D) False, False

Description : State whether the following statement are true. i) An application-level gateway is often referred to as a proxy. ii) In proxy, a direct connection is established between the client and destination server. A) True, False B) False, True C) True, True D) False, False

Last Answer : A) True, False

State whether the following statement are true. i) An application-level gateway is often referred to as a proxy. ii) In proxy, a direct connection is established between the client and destination server. A) True, False B) False, True C) True, True D) False, False

Description : State whether the following statement are true. i) An application-level gateway is often referred to as a proxy. ii) In proxy, a direct connection is established between the client and destination server. A) True, False B) False, True C) True, True D) False, False

Last Answer : A) True, False

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  

A hashing function for digital signature (i) must give a hashed message which is shorter than the original message (ii)must be hardware implementable (iii) two different messages should not give the same hashed message (iv) is not essential for implementing digital signature a. i and ii b. ii and iii c. i and iii d. iii and iv

Description : A hashing function for digital signature (i) must give a hashed message which is shorter than the original message (ii)must be hardware implementable (iii) two different messages should not give the same hashed message (iv) ... signature a. i and ii b. ii and iii c. i and iii d. iii and iv

Last Answer : c. i and iii 

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  

One of the problems with using SET protocol is a. the merchant’s risk is high as he accepts encrypted credit card b. the credit card company should check digital signature c. the bank has to keep a database of the public keys of all customers d. the bank has to keep a database of digital signatures of all customers

Description : One of the problems with using SET protocol is a. the merchant's risk is high as he accepts encrypted credit card b. the credit card company should check digital signature c. the bank has to ... of all customers d. the bank has to keep a database of digital signatures of all customers 

Last Answer : c. the bank has to keep a database of the public keys of all customers

In SET protocol a customer sends a purchase order a. encrypted with his public key b. in plain text form c. encrypted using Bank’s public key d. using digital Signature system

Description : In SET protocol a customer sends a purchase order a. encrypted with his public key b. in plain text form c. encrypted using Bank’s public key d. using digital Signature system

Last Answer : d. using digital Signature system 

In SET protocol a customer encrypts credit card number using a. his private key b. bank’s public key c. bank’s private key d. merchant’s public key

Description : In SET protocol a customer encrypts credit card number using a. his private key b. bank’s public key c. bank’s private key d. merchant’s public key 

Last Answer : b. bank’s public key  

While sending a signed message, a sender a. sends message key using public key encryption using DES and hashed message using public key encryption b. sends message using public key encryption and hashed message using DES c. sends both message and hashed message using DES d. sends both message and hashed message using public key encryption

Description : While sending a signed message, a sender a. sends message key using public key encryption using DES and hashed message using public key encryption b. sends message using public key encryption ... and hashed message using DES d. sends both message and hashed message using public key encryption

Last Answer : a. sends message key using public key encryption using DES and hashed message using public key encryption  

Hashed message is signed by a sender using a. his public key b. his private key c. receiver’s public key d. receiver’s private key

Description : Hashed message is signed by a sender using a. his public key b. his private key c. receiver’s public key d. receiver’s private key

Last Answer : b. his private key  

DES and public key algorithm are combined (i) to speed up encrypted message transmission (ii)to ensure higher security by using different key for each transmission (iii) as a combination is always better than individual system (iv) as it is required in e-Commerce a. i and ii b. ii and iii c. iii and iv d. i and iv

Description : DES and public key algorithm are combined (i) to speed up encrypted message transmission (ii)to ensure higher security by using different key for each transmission (iii) as a combination is always better than individual system (iv ... e-Commerce a. i and ii b. ii and iii c. iii and iv d. i and iv  

Last Answer : a. i and ii

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 

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 

ripple DES a. Cannot be broken in reasonable time using presently available computers. b. Can be broken only if the algorithm is known using even slow computer. c. Can be broken with presently available high performance computers. d. It is impossible to break ever.

Description : ripple DES a. Cannot be broken in reasonable time using presently available computers. b. Can be broken only if the algorithm is known using even slow computer. c. Can be broken with presently available high performance computers. d. It is impossible to break ever. 

Last Answer : a. Cannot be broken in reasonable time using presently available computers.  

DES using 56 bit keys a. Cannot be broken in reasonable time using presently available computers b. Can be broken only if the algorithm is known using even slow computers. c. Can be broken with presently available high performance computers. d. It is impossible to break ever.

Description : DES using 56 bit keys a. Cannot be broken in reasonable time using presently available computers b. Can be broken only if the algorithm is known using even slow computers. c. Can be broken with presently available high performance computers. d. It is impossible to break ever.

Last Answer : c. Can be broken with presently available high performance computers. 

DES works by using a. permutation and substitution on 64 bit blocks of plain text b. only permutations on blocks of 128 bits c. exclusive ORing key bits with 64 bit blocks d. 4 rounds of substitution on 64 bit blocks with 56 bit keys

Description : DES works by using a. permutation and substitution on 64 bit blocks of plain text b. only permutations on blocks of 128 bits c. exclusive ORing key bits with 64 bit blocks d. 4 rounds of substitution on 64 bit blocks with 56 bit keys

Last Answer : a. permutation and substitution on 64 bit blocks of plain text 

Your company receives internet access through a network or a gateway server. Which of the following devices is best suited to protect resources and subnet your LAN directly on the network server? 1) DSL modem 2) A multi-homed firewall 3) VLAN 4) A brouter that acts both as a bridge and a router

Description : Your company receives internet access through a network or a gateway server. Which of the following devices is best suited to protect resources and subnet your LAN directly on the network server? 1) DSL modem 2) A multi-homed firewall 3) VLAN 4) A brouter that acts both as a bridge and a router

Last Answer : 2) A multi-homed firewall

Your company receives internet access through a network or a gateway server. Which of the following devices is best suited to protect resources and subnet your LAN directly on the network server? 1 DSL modem 2 A multi-homed firewall 3 VLAN 4 A brouter that acts both as a bridge and a router

Description : Your company receives internet access through a network or a gateway server. Which of the following devices is best suited to protect resources and subnet your LAN directly on the network server? 1 DSL modem 2 A multi-homed firewall 3 VLAN 4 A brouter that acts both as a bridge and a router

Last Answer : 2 A multi-homed firewall

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.

In Electronic cash payment (i) a customer withdraws “coins” in various denominations signed by the bank (ii)the bank has a database of issued coins (iii) the bank has a database of spent coins (iv) the bank cannot trace a customer a. i, ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Description : In Electronic cash payment (i) a customer withdraws “coins” in various denominations signed by the bank (ii)the bank has a database of issued coins (iii) the bank has a database of spent coins (iv) the bank cannot trace a customer a. i, ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv 

Last Answer : b. i, ii, iii 

In Electronic cash payment a. a debit card payment system is used b. a customer buys several electronic coins which are digitally signed by coin issuing bank c. a credit card payment system is used d. RSA cryptography is used in the transactions

Description : In Electronic cash payment a. a debit card payment system is used b. a customer buys several electronic coins which are digitally signed by coin issuing bank c. a credit card payment system is used d. RSA cryptography is used in the transactions 

Last Answer : b. a customer buys several electronic coins which are digitally signed by coin issuing bank