Objective of this chapter is to provide complete information about all basic commands of Linux. Also, you will learn about what is Linux shells, importance of shell in Linux OS, different types of shells like csh, ksh, bash. Further, you will learn about most popular text editor like vi, nano, pico. This chapter also covers…
Main objective of this chapter is to provide you information about history of Linux and how and when it created. Also you will learn about advantages of Linux Operating system over other Operating System mainly Windows OS. Further, student will know about various file system like FAT, NTFS, EXT which are prominently use of modern…
Chapter III of Computer Network will teach you about Physical Layer and it is of 4 teaching hrs. This chapter will provide you information about 3.1. Guided Media: Copper, Fiber cabling and its capacity standards3.2. Unguided Media: Bluetooth, Wi-Fi/Wireless-LAN, Satellite Communication Basics(Micro waves, Radio waves)3.3. Circuit/packet/message switching3.4. ISDN Signaling & Architecture3.5. Network Performance: Bandwidth, Throughput, Latency,…
This is 4 hour chapter. This chapter will teach you network protocols and standards, interface and service, 7 layer of OSI model and its importance. TCP/Ip protocol suite and different networking hardware like NIC, Hub, router, repeater. 2.1. Protocols and Standards2.2. Interfaces and Services2.3. OSI Layers2.4. TCP/IP layers2.5. Comparison of OSI & TCP/IP2.6. Networking hardware:…
Introduction to Computer Network which is of 3 teaching hours. Will teach you about following topics 1.1. Definition, merits, Demerits of computer network1.2. Network Models 1.2.1. PAN, LAN, Campus Area Network (CAN), MAN, Country Area Network(CAN*), WAN, GAN. 1.2.2. Topological Models (star, bus, distributed bus, mesh, tree, hybrid, ring) 1.2.3. Client/Server, Peer-to-Peer & Active Network…
TCP also known as (Transmission Control Protocol ) is a layer 4 protocol (Transport Layer) of an OSI Model. TCP is a connection-oriented transport layer protocol that provides reliable full-duplex data transmission. TCP is part of the TCP/IP protocol stack. In a connection-oriented environment, a connection is established between both ends before the transfer of…
Reconnaissance is the first phase of an attack. In this phase attacker tries to gather information about the target person or organization before performing the actual attack. This phase is also known as footprint. Here the attacker mainly try to map structure, process and security expose of an organization. There are mainly two type of…
Spear phishing Spear phishing is special type of phishing email or electronic communications scam targeted towards a specific individual, organization or business. These types of email are often intended to steal data for malicious purposes, cybercriminals may also intend to install malware on a targeted user’s computer. Credential stuffing: People tend to use same password…
Linux Question Bank Solution This post share solution on most difficult and confusing questions of Bachelor of Computer Application (BCA) affiliated to Pokhara University on Linux subject. 2018 Fall 5 a) What do you mean by web server? Why are the needed? Explain. A web server is a computer that stores web server software and…
