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16.) Which processes does TCP, but not UDP, use?

A.) Windowing

B.) Acknowledgements

C.) Source Port

D.) Destination Port

View Answer 

Correct Answer: B

17.) What is max data capacity for optical fiber cable?

A.) 10 mbps

B.) 100 mbps

C.) 1000 mbps

D.) 10000 mbps

View Answer 

Correct Answer: C

 18.) The channel in the data communication model can be

A.) Postal mail services

B.) Telephone lines

C.) Radio lines

D.) Any of the above

View Answer 

Correct Answer: D

19.) Terminals are required for

A.) real-time, batch processing & time-sharing

B.) real time, time-sharing & distributed message processing

C.) real time, distributed processing & manager inquiry

D.) real-time,  time sharing & message switching

  View Answer  

Correct Answer:  D

20.) Which of the following transmission systems provide the highest data rate to in individual device?

A.) computer bus

B.) telephone lines

C.) voice and mode

D.) lease lines

  View Answer  

Correct Answer:  A



Oracle Certification


The Oracle Certification Program is a professional certification program offered by the Oracle Corporation. There are three levels of Oracle Certification in several disciplines: Oracle Certified Associate (OCA), Oracle Certified Professional (OCP), and Oracle Certified Master (OCM).

Java Certification


Sun Certified Professional (SCP) is a professional certification program by Sun Microsystems, a subsidiary of Oracle Corporation. There are two levels of java Certification in several disciplines: Sun Certified Java Associate (SCJA), Sun Certified Java Programmer (SCJP), and Sun Certified Java Developer (SCJD)

Red Hat Certification


The Red Hat Certification Program is Red Hat's professional certification program for Red Hat and general Linux related skills such as system administration on Red Hat Enterprise Linux Red Hat Certified Technician (RHCT)  and Red Hat Certified Engineer (RHCE)