MCQs of e-commerce(IT430)

1. Public Key of the receiver is used to-------------------.
a. Decrypt the message
b. Encrypt the message
c. Scramble the message
d. None of the mentioned options
2. Receiver applies ----------------to the received original message
a. Digital signature
b. Message digest
c. Hash function
d. None of the mentioned options
3. Symmetric key can be replaced with----------------------------.
a. Symmetric algorithms
b. Pair of public and private keys
c. Asymmetric key
d. None of the mentioned options
4. In --------------------attack an attempt is made by the attacker to decrypt the
message with every possible key.
a. Key search attack
b. Cryptanalysis
c. System based
d. None of the mentioned options
5. Most of the electronic payment systems on internet use ------------------to
ensure confidentiality and security of the payment information.
a. Quantum computing
b. Cryptography
c. Both of the mentioned options
d. None of the mentioned options
6. Simplicity and ----------------is the biggest advantage of Virtual PIN payment
system.
a. Full encryption
b. Dual encryption
c. No encryption
d. None of the mentioned options
7. In electronic checks which type of cryptography is used
a. Both symmetric and asymmetric
b. Symmetric
c. Asymmetric
d. None of the mentioned options
8. An electronic check book device is a combination of
a. Hardware and a digital signature
b. Software and information about user
c. Secure hardware and software
d. None of the mentioned options
9. Which of the following is disadvantage of virtual PIN payment system?
a. Bogus purchases are possible
b. Stolen credit card number can be used
c. Only some extra copies of the information items are made in case of a
fraud
d. All of the mentioned options are disadvantages of Virtual PIN payment system
10.FV stands for
a. First Virtual
b. Forward Virtual
c. Famous virtual
d. None of the mentioned options

It430_e-commerce_lecture04_MCQs

It430_lecture04


Topology of a LAN means its _____________lay out.
• Physical
• Virtual
How many types of Network Topology ?
• Two
• Three
• Four
• Five
How many approaches to networking ?
• Two
• Three
• Four
• Five
In ______________ approach there is a centralized server machine that can serve users’ requests for the sharing of resources on a network.
• server-based
• peer-to-peer

In ___________, the machines on the network have an equal capability which means that they can act both as a client and a server.
• server-based
• peer-to-peer
______________ provide central connection point for a LAN.
• Hubs
• Repeaters
• Bridges
• Switches
LAN stands for_____________?

___________use a combination of hardware and software to forward data packets to their destination on the internet.
• Bridges
• Routers
• Switches
• None
How many types Cooper-based cables have ?
• two
• three
• four
• five
Coaxial and Twisted pair are types of _______________?
• Cooper-based cables
• Fiber optic cables
STP and UTP are types of _______________?
• Coaxial
• Twisted pair
______________use glass or plastic filaments and the pulses of light as a data transfer method.
• Cooper-based cables
• Fiber optic cables

It430_e-commerce_lecture02 MCQs

TCP stands for_________________?
• tranfer conversation process
• transform covert process
• transmission control process
• transmission control protocol
UDP stands for____________________?
• User defind process
• user dialogue protocol
• user diagram protocol
• user datagram protocol
RIP stands for ____________________?
• Rolling Information Process
• Routing Information Process
• Routing Information Protocol
• Routing Intellectual Protocol
MAC stands for______________?
• Multimedia Accurate Coding
• Multimedia Access Coding
• Media Access Code
• Media Access Codeck
NIC stands for ________________?
• National Identity Card
• Natinal Information Card
• Network Interface Card
• Network Information Card
SMTP stands for ______________?
• Simple Mail Transfer Protocol
• Simple Mail Transport Protocol
• Simple Mail Transform Protocol
• Simple Mail Transaction Protocol
OSI stands for_________________?
• Open System Interconnection
• Open System Interchange
• Open System Internet
• Open System Interface
MIME stands for____________?
• Multimedia Internet Mail Export
• Multipurpose Internet Mail Extentions
• Multimedia Internet Mail Expert
• Multipurpose Internet Mail Enterpret
What is the decimal number of 00111001?
• 54
• 55
• 56
• 57

0 to 127 is the range of class _____ type networks.

• A
• B
• C
• D & E
___________ classes of networks are for special purpose use.
• A & B
• B & C
• D & E
• A , B & C


___________ classes of networks are for public use.
• A & B
• B & C
• D & E
• A , B & C

How many classes of networks?
• 3
• 4
• 5
• 6
A network number which is start from the "0" is called ___________ class.
• A
• B
• C
• D & E
What is the binary number of 57?
• 111001
• 0111001
• 00111001
• 000111001
ISO's OSI model came in_______________?
• 1960's
• 1970's
• 1980's
• 1990's
224 to 225 is the range of class _________________ networks.
• A
• B
• C
• D & E
Network number starting with 110 is called ____________ class networks.
• A
• B
• C
• D & E
11000000 is equal to _____ in decimal?
• 191
• 192
• 193
• 194
Network number starting with 111 is called class ______________ networks.
• A
• B
• C
• D & E
The ____________ types of networks are only used for special multicast & experimental groups. These are not for public use.
• A
• B
• C
• D & E

which of the following is used for web page requests?
• HTTP
• FTP
• Telnet
• none

Which of the following provides an interface & series for file transfer over the network?
• HTTP
• FTP
• Telnet
• none

__________________ connects a local computer with a remote computer.

• SMTP
• VPN
• Telnet
• none

which of the followings provide e-mail services on the internet ?
• SMTP
• MAC
• Telnet
• none

________________ is connectionless transport protocol.

• SMTP
• TCP
• UDP
• MAC

___________ is connection-oriented transport protocol.


• SMTP
• TCP
• UDP
• MAC



Header is a piece of information which is attached to the data at its beginning by each layer except the physical layer.

• True
• False