Computer Networks Answers

7. a) compare the TCP header and the UDP header. List the fields India the TCP header that are not present in UDP header. Give the reason for their absence.

 b) what is cognation? Explain any one of the cognation control mechanism.

6. a) what is the difference between a port address,a logical address,and a physical address?

  b) compare OSI model and TCP/IP protocol suit.

. Define the following terms: (25) a) Feasibility study b) Feasibility Report c) Project d) Data Collection e) Gantt Chart 2. What are the reasons why we should do a feasibility study (15) 3. Name and explain 5 components of feasibility study (20) 4. Difference between (20) a) Business plan and Feasibility report b) Primary and Secondary data collection 5. List and explain 5 types of Data collection(10)

TCP/IP is a condensed representation of the OSI paradigm. It has four layers,

as opposed to the OSI model's seven. What if the INTERNET

LAYER, or the third layer, were to be replaced by the LINK LAYER, or the fourth layer,

and vice versa? . What impact will this have on the packets being

sent from source to destination? Make a list of the potential problems that may arise

during communication. Simply by stating that no communication will be possible, this

kind of answer will not be acceptable

If Satellite with a radius of 5.3m transmitted a message at the frequency of 1.3 MHz to earth station. Determine;

i. The wavelength, and time, in hour of the transmission

ii. The centrifugal force of the satellite

iii. The attenuation of the transmission

is there any stop by step solution that displays most of the formulas

If a Satellite with a radius of 5.3m transmitted a message at the frequency of 1.3 MHz to the earth station. Determine; 

i.     The wavelength, and time, in the hour of the transmission

ii.    The centrifugal force of the satellite

iii.    The attenuation of the transmission 

Analyze the condition that can lead to satellite path diversity

Discuss the elements or components of a computer system that an operating system manages.

Discuss the three input-output communication techniques that are used in computer systems.