representation of common business documents in computer readable form
data entry operators by receivers
special value added networks
special hardware at co-operating Business premises
Correct answer: (A) representation of common business documents in computer readable form
572. EDI standard
is not easily available
defines several hundred transaction sets for various business forms
is not popular
defines only a transmission protocol
Correct answer: (B) defines several hundred transaction sets for various business forms
573. Proxy application gateway
acts on behalf of all intranet users wanting to access internet securely
monitors all accesses to internet and allows access to only specified IP'addresses
disallows use of certain protocols with security problems
disallows all internet users from accessing intranet
i, ii
i, ii, iii
i, ii, iii, iv
ii, iii, iv
Correct answer: (B) i, ii, iii
574. The following ciphertext was received. The plaintext was permuted using permutation (34152) and substitution. Substitute character by character ±3 (A → D, etc). The plain text after decryption is: Cipher text : PDLJDLXHVQC
MAIGAIUESNZ
IAMAGENIUSZ
LDPDJHPLXVZ
IAMAGENIUSC
Correct answer: (B) IAMAGENIUSZ
575. Triple DES uses
168 bit keys on 64-bit blocks of plain text
Working on 64-bit blocks of plain text and 56 bit keys by applying DES algorithm for three rounds.
Works with 144 bit blocks of plain text and applies DES algorithm once.
Uses 128 bit blocks of plain text and 112 bit keys and apply DES algorithm thrice.
Correct answer: (B) Working on 64-bit blocks of plain text and 56 bit keys by applying DES algorithm for three rounds.
576. A digital signature is required
to tie an electronic message to the sender's identity
for non repudiation of communication by a sender
to prove that a message was sent by the sender in a court of law
in all e-mail transactions
i and ii
i, ii, iii
i, ii, iii, iv
ii, iii, iv
Correct answer: (B) i, ii, iii
577. In electronic cheque payments developed, it is assumed that most of the transactions will be
customers to customers
customers to business
business to business
banks to banks
Correct answer: (C) business to business
578. EDI standards are
not universally available
essential for B2B commerce
not required for B2B commerce
still being evolved
Correct answer: (B) essential for B2B commerce
579. EDI over internet uses
MIME to attach EDI forms to e-mail messages
FTP to send business forms
HTTP to send business forms
SGML to send business forms
Correct answer: (A) MIME to attach EDI forms to e-mail messages
580. Main function of proxy application gateway firewall is
to allow corporate users to use efficiently all internet services
to allow intranet users to securely use specified internet services
to allow corporate users to use all internet services
to prevent corporate users from using internet services
Correct answer: (B) to allow intranet users to securely use specified internet services