Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.
Options: Network collisions occur, Repeaters cannot increase the signal strength sufficiently, Cable terminators do not reflect the signal properly, Cable terminators do not absorb the signal properly
Options: A) writes computer programs for specific problems
B) operate the device which input and output data from the computer
C) normally require a college degree in computer science
D) all of the above
. After entering all fields required for a table, if you realize that the third field is not needed, how will you remove?
Options: a. You need to delete the whole table. There is no method to remove a particular field only.
b. Delete all the fields from third downwards and reenter the required fields again.
c. Select the third column in datasheet view then delete
d. Select the third row in table design view then delete
Options: Database – File – Record – Fields – Bytes – Bit
B. Database – File – Record – Fields – Bit – Bytes
C. Database – Record – File – Fields – Bytes – Bit
D. Database – Record – Fields – File – Bytes – Bit