Tuesday, February 16, 2016

OSI Layer_1

1
   Question Why was the OSI model developed? ,                                    
   1. manufacturers disliked the TCP/IP protocol suite ,
   2. the rate of data transfer was increasing exponentially,
   3. only for microsoft windows file and folder sharing,
   4. standards were needed to allow any two systems to communicate ,
   5. none of the above,

   Answer 4

2
   Question The OSI model consists of _______ layers.,
   1. ten,
   2. eight,
   3. seven  ,
   4. five  ,
   5. three  ,

   Answer 3

3
   Question At which layer of the OSI model does PPP perform? ,
   1. Layer 1,
   2. Layer 2,
   3. Layer 3,
   4. Layer 4,
   5. Layer 5,

   Answer 2

4
   Question The physical layer is concerned with the movement of _______ over the physical medium. dialogs ,
   1. programs,
   2. dialogs ,
   3. bits,
   4. protocols ,
   5. none of above,
   Answer 3

5
   Question In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______.,
   1. modified,
   2. removed ,
   3. added ,
   4. rearranged  ,
   5.   none of above,

   Answer 3

6.
   Question A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the network administrator is using for this operation?  ,
   1. application,
   2. presentation,
   3. transport,
   4. data link,
   5. internet,

   Answer 1

7
   Question In the OSI model, what is the main function of the transport layer?  ,
   1. node-to-node delivery,
   2. updating and maintenance of routing tables,
   3. process-to-process message delivery,
   4. synchronization,
   5. none of above,

   Answer 3

8
   Question Where does routing occur within the DoD TCP/IP reference model?,
   1. application  ,
   2. presentation,
   3. internet,
   4. physical,
   5. transport,

   Answer 3

9
   Question At which layer of the OSI model switch works?,
   1. data link  ,
   2. physical ,
   3. network,
   4. application ,
   5. transport,

   Answer 1

10
   Question The ______ layer adds a header to the packet coming from the upper layer that includes the logical addresses of the sender and receiver.,
   1. physical ,
   2. transport,
   3. application ,
   4. data link  ,
   5. network,

   Answer 5

1 comment: