Four routers have to be interconnected in a point-to-point Network. Each pair of root us may connected by a high-speed line, a medium speed line or a low speed line. Find the total number of topologies.
Options: a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address, a TCP/IP high level protocol for transferring files from one machine to another, a protocol used to monitor computers, a protocol that handles error and control messages
In an Entity-Relationship Diagram “Ellipses” represents
B. Weak entity set
C. Relationship sets
D. Multi-valued attributes
Ans:– A ,
. how would you create the following diagram in PowerPoint
Options: a. Use auto shapes and the drawing toolbar to create the diagram and design it b. Open the diagram gallery from the drawing toolbar and choose this diagram type c. Use the chart command on the insert menu to import the diagram d. All of above
Options: a. automatically places clip art in your presentation b. scans your presentation for incorrect spelling of words on each slide c. scans your presentation for incorrect spelling in word art objects d. all of the above
Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?
Replication should be used when which of the following exist?
Options: When transmission speeds and capacity in a network prohibit frequent refreshing of large tables., When using many nodes with different operating systems and DBMSs and database designs., The application's data can be somewhat out-of-date., All of the above.
Options: a . bit - bytes - fields - record - file - database b . bit - bytes - record - field - file - database c . bytes - bit- field - record - file - database d . bytes -bit - record - field - file - database