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?
1) MIDI
2) FTP
3) SMTP
4) TFTP
5) JPEG
(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
Q11. If you wish to extend the length of the network without having the signal degrade, you would use a __________.
(a) repeater
(b) router
(c) gateway
(d) switch
(e) None of these
Q12. LANs can be connected by devices called ______ which operate on the data link layer.
(a) hub
(b) bridges
(c) HDLC
(d) tunnel
(e) None of these
Q13. What does P2P stands for?
(a) Peer To Peer
(b) Peek to peek
(c) Past to past
(d) Pair to pair
(e) All of these
Q14. IP addresses are converted to ____________.
(a) a bit
(b) alphanumeric string
(c) a hierarchy of domain names
(d) TCP
(e) a decimal string
Q15. The layer is the layer closest to transmission medium.
(a) transport
(b) network
(c) data link
(d) physical
(e) None of these