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

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
by

1 Answer

Answer :

c. filters packets travelling from and to the intranet from the internet 
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 

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 

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

Description : 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 ... to use all internet services d. to prevent corporate users from using internet services

Last Answer : b. to allow intranet users to securely use specified internet services 

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 

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

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

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 

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

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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

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Last Answer : b. i, ii, iii 

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 

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

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Last Answer : It's D

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

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Last Answer : c. B2B e-Commerce 

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

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Last Answer : c. i, ii, iii  

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

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.

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 

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

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Last Answer : a. i and ii

EDIFACT is a standard a. for representing business forms used in e-Commerce b. for e-mail transaction for e-Commerce c. for ftp in e-Commerce d. protocol used in e-Commerce

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Last Answer : c. i and iii  

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Last Answer : a. i, iv

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Last Answer : c. ii, iii, iv, v 

EDI standards are a. not universally available b. essential for B2B commerce c. not required for B2B commerce d. still being evolved

Description : EDI standards are a. not universally available b. essential for B2B commerce c. not required for B2B commerce d. still being evolved

Last Answer : b. essential for B2B commerce 

Advantages of B2C commerce to customers are (i)wide variety of goods can be accessed and comparative prices can be found (ii) shopping can be done at any time (iii)privacy of transactions can be guaranteed (iv)security of transactions can be guaranteed a. i and ii b. ii and iii c. iii and iv d. i and iv

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Last Answer : a. i and ii  

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

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Last Answer : c. i and iii  

A __________ is a device that forwards packets between networks by processing the routing information included in the packet.a) bridge b) firewall c) router d) hub

Description : A __________ is a device that forwards packets between networks by processing the routing information included in the packet. a) bridge b) firewall c) router d) hub

Last Answer : c) router

Application layer firewalls works on the application level of the ____stack (i.e. all browser traffic or all telnet or FTP traffic) and may intercept all packets travelling to or from an application: a) TCP b) IP c) Both of Above d) None of These

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Last Answer : c) Both of Above

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

Which of the following assertions is FALSE about the Internet Protocol (IP)? a. It is possible for a computer to have multiple IP addresses b. IP packets from the same source to the same destination can take different routes in the network c. IP ensures that a packet is discarded if it is unable to reach its destination within a given number of hops d. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way

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Last Answer : d. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way

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 

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

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  

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

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Last Answer : d. i and iv 

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 

A digital signature is a. a bit string giving identity of a correspondent b. a unique identification of a sender c. an authentication of an electronic record by tying it uniquely to a key only a sender knows d. an encrypted signature of a sender

Description : A digital signature is a. a bit string giving identity of a correspondent b. a unique identification of a sender c. an authentication of an electronic record by tying it uniquely to a key only a sender knows d. an encrypted signature of a sender 

Last Answer : c. an authentication of an electronic record by tying it uniquely to a key only a sender knows

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 

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

Encryption can be done a. only on textual data b. only on ASCII coded data c. on any bit string d. only on mnemonic data

Description : Encryption can be done a. only on textual data b. only on ASCII coded data c. on any bit string d. only on mnemonic data

Last Answer : c. on any bit string 

EDI standard a. is not easily available b. defines several hundred transaction sets for various business forms c. is not popular d. defines only a transmission protocol

Description : EDI standard a. is not easily available b. defines several hundred transaction sets for various business forms c. is not popular d. defines only a transmission protocol

Last Answer : b. defines several hundred transaction sets for various business forms 

A digital signature is required (i) to tie an electronic message to the sender’s identity (ii)for non repudiation of communication by a sender (iii) to prove that a message was sent by the sender in a court of law (iv) in all e-mail transactions a. i and ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

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Last Answer : b. i, ii, iii

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 

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  

In electronic cheque payments developed, it is assumed that most of the transactions will be a. customers to customers b. customers to business c. business to business d. banks to banks

Description : In electronic cheque payments developed, it is assumed that most of the transactions will be a. customers to customers b. customers to business c. business to business d. banks to banks

Last Answer : c. business to business

The bank has to have the public keys of all customers in SET protocol as it has to a. check the digital signature of customers b. communicate with merchants c. communicate with merchants credit card company d. certify their keys

Description : The bank has to have the public keys of all customers in SET protocol as it has to a. check the digital signature of customers b. communicate with merchants c. communicate with merchants credit card company d. certify their keys 

Last Answer : a. check the digital signature of customers 

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

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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  

Certification of Digital signature by an independent authority is needed because a. it is safe b. it gives confidence to a business c. the authority checks and assures customers that the public key indeed belongs to the business which claims its ownership d. private key claimed by a sender may not be actually his

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Last Answer : c. the authority checks and assures customers that the public key indeed belongs to the business which claims its ownership