Networking Multiple choice Questions and Answers-Application Layer

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

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

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

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

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

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

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

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

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

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

Answer: (a).Service layer