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Computer Science M.C.Q

Computer Networks (CN) · CBSE STD 12 Commerce (CBSE - English Medium). 20 questions.

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M.C.Q

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20 questions · timed · auto-graded

MCQ 11 Mark
Which of the following will come under cybercrime:
  • A
    Theft of a brand new sealed pack Laptop
  • B
    Access to a Bank account for getting unauthorized Money Transaction
  • C
    Modification of a company data with unauthorized access.
  • ✓
    (b) and (c)
Answer
Correct option: D.
(b) and (c)
D
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MCQ 21 Mark
Mr. Gupta is confused in normal crime and cyber crime. Please help him to identify cyber crime among the situation given below.
  • A
    (ii) Secretly occupying files from server of a call center and selling it to the other company.
  • B
    (iii) Viewing child porn sites.
  • C
    (iv) Getting someone’s social networking account without his/her consent and posting pictures on his/her behalf to harass him/her.
  • ✓
    (ii), (iii) and (iv) will be considered under the cyber crime.
Answer
Correct option: D.
(ii), (iii) and (iv) will be considered under the cyber crime.
D
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MCQ 31 Mark
Which of the following will be come under cyber crime?
  • A
    (i) Theft of a mobile phone.
  • B
    (ii) Access to bank account for getting unauthorized money transaction
  • C
    (iv) Modification of a company data without authorized access.
  • ✓
    (ii) and (iv) will come under cyber crime
Answer
Correct option: D.
(ii) and (iv) will come under cyber crime
D
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MCQ 51 Mark
Gaining someone else’s identity, without his/her knowledge and misuse it.
  • A
    Cyber Fraud
  • B
    Cyber Theft
  • ✓
    Identity Theft
  • D
    Data Fraud
Answer
Correct option: C.
Identity Theft
C
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MCQ 61 Mark
It is the way to translate the textual domain name to corresponding to the IP address.
  • A
    Domain Name System
  • ✓
    Domain Name Resolution
  • C
    Whois
  • D
    NsLookup
Answer
Correct option: B.
Domain Name Resolution
B
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MCQ 71 Mark
“One device per connection” is an advantage of –
  • ✓
    Star topology
  • B
    Bus topology
  • C
    Tree topology
  • D
    Ring topology
Answer
Correct option: A.
Star topology
A
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MCQ 81 Mark
Wi-fi stands for
  • ✓
    Wireless Fidelity
  • B
    Wireless frequency
  • C
    Wireless File
  • D
    Wireless Fiber
Answer
Correct option: A.
Wireless Fidelity
A
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MCQ 91 Mark
__________ is used to display information of domain name owner.
  • A
    NsLookup
  • B
    DNS
  • ✓
    whois
  • D
    Ipconfig
Answer
Correct option: C.
whois
C
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MCQ 101 Mark
162.248.49.180 is an example of
  • A
    MAC address
  • ✓
    IP address
  • C
    Both a and b
  • D
    None of them
Answer
Correct option: B.
IP address
B
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MCQ 111 Mark
Ping command is use to __________ .
  • A
    test a keyboard
  • ✓
    test a network device
  • C
    debug an application
  • D
    test power cable
Answer
Correct option: B.
test a network device
B
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MCQ 141 Mark
What are the advantages of networking?
  • A
    Data Communication
  • B
    File Sharing
  • C
    Increased storage size
  • ✓
    All of the above
Answer
Correct option: D.
All of the above
D
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MCQ 161 Mark
DNS stand for __________ .
  • A
    Domain Network Service
  • B
    Dynamic Network System
  • ✓
     Domain Name System
  • D
    Dynamic Naming System
Answer
Correct option: C.
 Domain Name System
C
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MCQ 171 Mark
URL stands for $........$ .
  • ✓
    Uniform resource locator
  • B
    Uniform resource location
  • C
    Universal resource line.
  • D
    Universal reverse line.
Answer
Correct option: A.
Uniform resource locator
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MCQ 191 Mark
What do you meant by Firewall?
  • A
    The physical boundary of computer and network.
  • B
    It is an Operating system.
  • ✓
    Hardware/ Software to design unauthorized access.
  • D
    Network device used for data communication
Answer
Correct option: C.
Hardware/ Software to design unauthorized access.
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MCQ 201 Mark
Computer Network is $........$.
  • A
    Collection of computer peripherals
  • B
    Interconnected for data communication
  • C
    Sharing of resources
  • ✓
    All of Above
Answer
Correct option: D.
All of Above
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