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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.
Round Trip Time (RTT) and Time Out The size and the complexity of computer networks have grown in past years. To achieve an efficient and reliable transmission some
What are the advantages of bus topology? The benefit of physical bus topology is: a. It uses established standards and it is relatively simple to install. b. It needs les
Define Encoder? A device or program that uses predefined algorithms to encode, or compress audio or video data for storage or transmission use. A circuit that is used to change
Name the physical interfaces that PPP can be configured on a Cisco router: Ans) A. Asynchronous serial B. HSSI C. ISDN D. Synchronous serial These four of th
Describe the main factors of switching delay No. The speed of propagation is 200,000 km/sec or 200 meters/µsec. In 10 µsec signal travels 2 km. Therefore, each switch adds equi
Q. Illustrate the Advantages of VLANs? - Cost and time reduction in moving stations from one group to another - Creation of virtual workgroups - Security Position of
Question: (a) What is a script kiddie? Is it a significant security threat, and why? (b) Assume that UNIX uses the user login name in lieu of the traditional salt, what is
What are the drawbacks of ARCNet? Here are some drawbacks of ARCNet: 1. Standard ARCNet is very slow (2.5 Mb/s). It is almost seven times slower than Token Ring. 2. ARC
what parameters should i have for the best nfs v4 performance?
Plot way forms for the following modulation schemes using Mathlab: a) 2 ASK 4 ASK b) BFSK 4 FSK c) BPSK 4
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