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Q1. HTTP is a/an ________ protocol.

(a) application layer
(b) transport layer
(c) network layer
(d) Physical Layer
(e) none of the mentioned

Q2. Routers operate at which layer of the OSI model?
(a) physical
(b) transport
(c) network
(d) MAC sublayer of the data link layer
(e) session

Q3. Bits are packaged into frames at which layer of the OSI model?
(a) Data link
(b) Transport
(c) Physical
(d) Presentation
(e) Application

Q4. The layers of the OSI model, from the top down, are:
(a) application, presentation, session, transport, network, data link, physical
(b) session, presentation, data transport, MAC, network, physical
(c) physical, data link, network, transport, session, presentation, application
(d) presentation, application, session, network, transport, data link, physical
(e) application, encryption, network, transport, logical link control, physical

Q5. Which of the following operate at the presentation layer?
2) FTP
(a) 1 and 2
(b) 1, 3, and 5
(c) 3 and 5
(d) 1 and 5
(e) None of These

Q6. Which of the following are considered to be the upper layers in the OSI Model?
(a) presentation and session
(b) application and presentation
(c) application, presentation, and session
(d) application, presentation, data-link, and transport
(e) application

Q7. Encryption takes place at which layer?
(a) application
(b) presentation
(c) session
(d) transport
(e) data link

Q8. Packets are found at which layer?
(a) data link
(b) transport
(c) network
(d) session
(e) physical

Q9. Which combinational package of layers in OSI model is equivalent to an application layer of TCP/ IP model?
(a) Transport, Session & Application Layers
(b) Session, Presentation & Application Layers
(c) Data Link , Transport & Presentation Layers
(d) Network, Session & Application Layers
(e) Physical, Data-Link, & Session Layers

Q10. Which layer in the OSI Model provides error-free delivery of data?
(a) PresentationLayer
(b) Transport Layer
(c) Session Layer
(d) Physical Layer
(e) Application Layer


1)(a) application layer
2)(c) network
3)(a) Data link
4)(a) application, presentation, session, transport, network, data link, physical
5)(d) 1 and 5
6)(c) application, presentation, and session
7)(b) presentation
8)(c) network
9)(b) Session, Presentation & Application Layers
10)(b) Transport Layer



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