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Question:
a) What is a Linux shell?
b) Prepare the commands for the following tasks: i) Change the working directory ii) Show the working directory iii) Execute a program iv) Terminate the shell
c) One example of the more powerful command-line tools in Linux is using streams. Give two other examples of command-line tools.
d) Explain the term "standard error" concerning the types of input and output streams.
e) Describe the "join" command in Linux, support your answer with a suitable example.
f) State two reasons why Linux Operating System is better than one of its competitors.
What are the disadvantages of bus topology? The disadvantages of bus topology are: a. The bus networks are dissimilar to reconfigure, especially when the acceptable number o
Distributed systems are composed of a number of physically separate machines connected by one or more communication links. Unlike parallel systems, there's no shared clock or memor
Q. Show the Use of flow control? Flow control denotes to a set of procedures used to restrict the amount of data that the sender can send before waiting for Error Control
Q. Show the Congestion avoidance in TCP? Slow Start (SS) & Additive Increase (AI) (AI=Congestion Avoidance) start with the congestion window (cwnd) = max segment si
DNS Message There are the only two kinds of DNS message DNS query and reply messages. Further mote both query and reply message have the same format as shown in figure.
what are the main problems of signal propagation?why do radio waves not always follow a straight line?why is reflection both useful and harmful?
What is uniform delivery time A uniform delivery time is required for voice, so amount of jitter in net- work is significant. This could be expressed as standard deviation of d
Enumerate the concept of IP address The router must have an IP address of the same network (194.62.15.x in this case) for the convenience of the entire network to use the servi
What can be done to fix signal attenuation problems? A common way of dealing with like problem is to use repeaters and hub, because it will help regenerate the signal and thus
What is difference between Baseband and Broadband Transmission in ccna? Ans) In a baseband transmission, the entire bandwidth of the cable is consumed by a one signal. In bro
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