A directory of Objective Type Questions covering all the Computer Science subjects.

1.
Which of the following is an application layer service?
a. Remote login
b. Mail service
c. File transfer and access
d. All the above
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Answer: (d).All the above

2.
Mail services are available to network users through the _______ layer.
a. Data link
b. Physical
c. Transport
d. Application
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Answer: (d).Application

3.
The protocol data unit (PDU) for the application layer in the Internet stack is
a. Segment
b. Datagram
c. Message
d. Frame
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Answer: (c).Message

4.
What is the maximum size of data that the application layer can pass on to the TCP layer below?
a. Any size
b. 2^16 bytes - size of TCP header
c. 2^8 bytes
d. 1500 bytes
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Answer: (a).Any size

5.
Which one of the following statements is NOT correct about HTTP cookies?
a. A cookies is a piece of code that has the potential to compromise the security of an Internet user
b. A cookie gains entry to the user’s work area through an HTTP header
c. A cookie has an expiry date and time
d. Cookies can be used to track the browsing pattern of a user at a particular site
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Answer: (a).A cookies is a piece of code that has the potential to compromise the security of an Internet user

6.
Application is the ____layer in OSI model
a.  7th
b.  6th
c. 5th
d. 4th
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Answer: 7th

7.
You have sent a file from Host A to Host B, in which format that file will be received at Application layer?
a. Packets
b. Segments
c. Data
d. Frames
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Answer: (c).Data

8.
Application layer is _____ level layer in OSI model
a. High level
b. Low level
c. Both High and Low level
d. None of the above
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Answer: (a).High level

9.
The Application layer defined in OSI model as a __________responsible for displaying received information from the user.
a. User Ends
b. User Interface
c. End Layer
d. Presentation Layer
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Answer: (b).User Interface

10.
Application layer is also said to be a _______layer
a. Service layer
b. Transport layer
c. Session layer
d. Abstraction layer
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Answer: (a).Service layer

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