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What is Connection-oriented communication
Connection-oriented communication can be in three phases. In establishment phase a request is made to set up the connection. Only after this phase has been fruitfully completed can data transfer phase be started and data transported. Then comes release phase. Connectionless communication never has these phases. It just sends data.
PVM uses two environment variables when starting and running. Every PVM user needs to set these two variables to use PVM. The initial variable is PVM_ROOT, which is set to the loca
i) Identify at least two items at every site that needs upgrading [2 Marks] ii) What type of WAN connection (link) might you use to connect the three sites to each other?
Can you define what is interior and exterior routing protocols?
How many types of twisted pair cable are there We can find two types of twisted pair cables, namely: Unshielded Twisted Pair Cable (UTP) and Shielded Twisted Pair Cable (STP).
Can you describe in a generic manner the packet of IPSec
(a) You are provided with the following: A. An RSA facility complete with public/private key pair B. A CBC (cipher block chaining) facility incorporating the IDEA block ciph
Define the tasks for which SNS is used SNA can be used for the following types of tasks: - Terminal access to mainframe and midrange computer applications. - File trans
INDEPENDENT Loops HPF gives additional opportunities for parallel implementation by using the INDEPENDENT directive to assert that the iterations of a do-loop can be done indep
Explain teh term- Bits and Bitmap Many tiny dots, which are put together to make a picture. Bits are combined to make a graphic image called a bitmap. GIF and JPEG files are
Simulate extremely limited forms of IP and ICMP. You will simulate 6 computers, 4 hosts and 2 routers, that are connected in an imaginary network with the topology as shown belo
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