Hands On Computer Networks 1500 Mcq E Book Test Series

Our 1500+ Computer Networks questions and answers focuses on all areas of Computer Networks subject covering 100+ topics in Operating Systems. These topics are chosen from a collection of most authoritative and best reference books on Computer Networks. One should spend 1 hour daily for 15 days to learn and assimilate Computer Networks comprehensively. This way of systematic learning will prepare anyone easily towards Computer Networks interviews, online tests, examinations and certifications. Highlights Ø 1500+ Basic and Hard Core High level Multiple Choice Questions & Answers in Computer Networks with explanations. Ø Prepare anyone easily towards Computer Networks interviews, online tests, Government Examinations and certifications. Ø Every MCQ set focuses on a specific topic in Computer Networks. Ø Specially designed for IBPS IT, SBI IT, RRB IT, GATE CSE, UGC NET CS, PROGRAMMER and other IT & Computer Science related exams. Who should Practice these Operating Systems Questions? Ø Anyone wishing to sharpen their skills on Computer Networks. Ø Anyone preparing for aptitude test in Computer Networks. Ø Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews) Ø Anyone preparing for entrance examinations and other competitive examinations. Ø All – Experienced, Freshers and Students. Computer Networks Basics --------------------------------------------------------------------6 Access Networks --------------------------------------------------------------------------------10 Reference Models ------------------------------------------------------------------------------13 Physical Layer ------------------------------------------------------------------------------------17 Data Link Layer -----------------------------------------------------------------------------------19 Network Layer ------------------------------------------------------------------------------------21 Transport Layer ----------------------------------------------------------------------------------23 Topology -------------------------------------------------------------------------------------------25 Multiplexing --------------------------------------------------------------------------------------27 Delays and Loss ----------------------------------------------------------------------------------29 Network Attacks ---------------------------------------------------------------------------------31 Physical Media -----------------------------------------------------------------------------------33 Packet Switching & Circuit Switching -------------------------------------------------------35 Application Layer - ------------------------------------------------------------------------------37 HTTP ------------------------------------------------------------------------------------------------41 HTTP & FTP ---------------------------------------------------------------------------------------44 FTP --------------------------------------------------------------------------------------------------46 SMTP -----------------------------------------------------------------------------------------------48 DNS--------------------------------------------------------------------------------------------------52 SSH --------------------------------------------------------------------------------------------------54 DHCP -----------------------------------------------------------------------------------------------56 IPSecurity -----------------------------------------------------------------------------------------58 Virtual Private Networks ----------------------------------------------------------------------60 SMI -------------------------------------------------------------------------------------------------63 SNMP -----------------------------------------------------------------------------------------------66 TELNET ---------------------------------------------------------------------------------------------69 TCP --------------------------------------------------------------------------------------------------72 UDP -------------------------------------------------------------------------------------------------77 AH and ESP Protocols --------------------------------------------------------------------------80 Congestion Control -----------------------------------------------------------------------------83 Virtual Circuit -------------------------------------------------------------------------------------86 ATM & Frame Relay -----------------------------------------------------------------------------89 WWW ----------------------------------------------------------------------------------------------93 IPv4 & Addressing -------------------------------------------------------------------------------95 IPv6 & Addressing -------------------------------------------------------------------------------99 P2P Applications --------------------------------------------------------------------------------103 ICMP -----------------------------------------------------------------------------------------------106 Transition from IPV4 to IPV6 ----------------------------------------------------------------109 IPV4 and IPV6 Comparision ------------------------------------------------------------------111 Analyzing Subnet Masks ----------------------------------------------------------------------114 Designing Subnet Masks ----------------------------------------------------------------------117 IP Routing -----------------------------------------------------------------------------------------121 RIP v1 ----------------------------------------------------------------------------------------------125 RIP v2 ----------------------------------------------------------------------------------------------128 Cryptography ------------------------------------------------------------------------------------131 PORTS ---------------------------------------------------------------------------------------------134 Socket Programming --------------------------------------------------------------------------137 Cookies --------------------------------------------------------------------------------------------139 Web Caching -------------------------------------------------------------------------------------142 Packet Forwarding & Routing ---------------------------------------------------------------145 Security in The Internet -----------------------------------------------------------------------147 OSPF -----------------------------------------------------------------------------------------------149 OSPF Configuration ----------------------------------------------------------------------------152 Datagram Networks ---------------------------------------------------------------------------156 Firewalls ------------------------------------------------------------------------------------------159 Network Management ------------------------------------------------------------------------162 Network Utilities -------------------------------------------------------------------------------165 ETHERNET ----------------------------------------------------------------------------------------167 WIRELESS LAN ----------------------------------------------------------------------------------169 INTERNET ----------------------------------------------------------------------------------------171 BLUETOOTH -------------------------------------------------------------------------------------173 WiMax --------------------------------------------------------------------------------------------175 SONET ---------------------------------------------------------------------------------------------177 RTP -------------------------------------------------------------------------------------------------179 RPC ------------------------------------------------------------------------------------------------181 Intrusion Detection Systems ----------------------------------------------------------------183 PPP -------------------------------------------------------------------------------------------------186 EIGRP ----------------------------------------------------------------------------------------------189 STP -------------------------------------------------------------------------------------------------191 600 MCQ TEST YOURSELF- RANDOM EXERCISE -----------------------------------194-284

Our 1500+ Computer Architecture Questions and Answers focuses on all areas of Computer Architecture subject covering 100+ topics in Computer Architecture. These topics are chosen from a collection of most authoritative and best reference books on Computer Architecture. One should spend 1 hour daily for 15 days to learn and assimilate Computer Architecture comprehensively. This way of systematic learning will prepare anyone easily towards Computer Architecture interviews, online tests, Examinations and Certifications. Highlights  1500+ Basic and Hard Core High level Multiple Choice Questions & Answers in Computer Architecture with Explanations.  Prepare anyone easily towards Computer Architecture interviews, online tests, Government Examinations and certifications.  Every MCQ set focuses on a specific topic in Computer Architecture.  Specially designed for IBPS IT, SBI IT, RRB IT, GATE CSE, UGC NET CS, KVS PGT CS, PROGRAMMER and other IT & Computer Science related Exams. Who should Practice these Computer ArchitectureQuestions?  Anyone wishing to sharpen their skills on Computer Architecture.  Anyone preparing for aptitude test in Computer Architecture.  Anyone preparing for interviews (campus/off-campus interviews, walk-in interviews)  Anyone preparing for entrance examinations and other competitive examinations.  All – Experienced, Freshers and Students.

Our 1500+ Operating Systems questions and answers focuses on all areas of Operating Systems subject covering 100+ topics in Operating Systems. These topics are chosen from a collection of most authoritative and best reference books on Operating Systems. One should spend 1 hour daily for 15 days to learn and assimilate Operating Systems comprehensively. This way of systematic learning will prepare anyone easily towards Operating Systems interviews, online tests, examinations and certifications. You can watch basic Operating Systems video lectures by visiting our YouTube channel IT EXAM GURUJI. Highlights ------------  1500+ Basic and Hard Core High level Multiple Choice Questions & Answers in Operating Systems with explanations.  Prepare anyone easily towards Operating Systems interviews, online tests, Government Examinations and certifications.  Every MCQ set focuses on a specific topic in Operating Systems. Who should Practice these Operating Systems Questions?  Anyone wishing to sharpen their skills on Operating Systems.  Anyone preparing for aptitude test in Operating Systems.  Anyone preparing for interviews (campus/off-campus interviews, walk-in interview & company interviews)  Anyone preparing for entrance examinations and other competitive examinations.  All – Experienced, Freshers and Students. Inside- ------- Operating System Basics -----------------------------------------------------------------------6 Processes ----------------------------------------------------------------------------------------- 8 Process Control Block--------------------------------------------------------------------------10 Process Scheduling Queues----------------------------------------------------------------- 12 Process Synchronization----------------------------------------------------------------------15 Process Creation------------------------------------------------------------------------------- 17 Inter Process Communication---------------------------------------------------------------19 Remote Procedure Calls-----------------------------------------------------------------------21 Process Structures------------------------------------------------------------------------------23 CPU Scheduling----------------------------------------------------------------------------------26 CPU Scheduling Benefits----------------------------------------------------------------------28 CPU Scheduling Algorithms I --------------------------------------------------------------- 31 CPU Scheduling Algorithms II ---------------------------------------------------------------34 Critical Section (CS) Problem and Solutions- --------------------------------------------37 Semaphores I -----------------------------------------------------------------------------------39 Semaphores II ----------------------------------------------------------------------------------43 The Classic Synchronization Problems----------------------------------------------------46 Monitors------------------------------------------------------------------------------------------49 Atomic Transactions---------------------------------------------------------------------------51 Deadlock -----------------------------------------------------------------------------------------54 Deadlock Prevention---------------------------------------------------------------------------56 Deadlock Avoidance ---------------------------------------------------------------------------59 Deadlock Detection ----------------------------------------------------------------------------63 Deadlock Recovery-----------------------------------------------------------------------------65 Memory Management –Swapping Processes I -----------------------------------------67 Memory Management – Swapping Processes II -------------------------------------- 70 Memory Management ---------------------------------------------------------------------- 73 Memory Allocation I ------------------------------------------------------------------------- 75 Memory Allocation II --------------------------------------------------------------------------78 Paging – I -----------------------------------------------------------------------------------------80 Paging – II ----------------------------------------------------------------------------------------83 Segmentation------------------------------------------------------------------------------------86 I/O System – Application I/O Interface – I -----------------------------------------------89 I/O System – Application I/O Interface – II ----------------------------------------------92 I/O System – Kernel I/O Subsystems ------------------------------------------------------95 RTOS ----------------------------------------------------------------------------------------------97 Implementing RT Operating Systems -----------------------------------------------------99 Implementing RT Operating Systems ----------------------------------------------------101 Real Time CPU Scheduling – I --------------------------------------------------------------103 Real Time CPU Scheduling – II -------------------------------------------------------------106 Multimedia Systems -------------------------------------------------------------------------108 Multimedia System – Compression – I --------------------------------------------------110 Multimedia System – Compression – II--------------------------------------------------113 Multimedia System – Compression – III-------------------------------------------------115 CPU and Disk Scheduling -------------------------------------------------------------------117 Network Management ----------------------------------------------------------------------119 Security – User Authentication -----------------------------------------------------------122 Security – Program and System Threats-------------------------------------------------125 Security – Securing Systems and Facilities ---------------------------------------------129 Security – Intrusion Detection ------------------------------------------------------------132 Security – Cryptography --------------------------------------------------------------------135 Secondary Storage ---------------------------------------------------------------------------137 Linux ---------------------------------------------------------------------------------------------139 Threads -----------------------------------------------------------------------------------------141 User and Kernel Threads -------------------------------------------------------------------143 Multi Threading Models --------------------------------------------------------------------146 The Fork and exec System Calls -----------------------------------------------------------148 Thread Cancellation -------------------------------------------------------------------------150 Signal Handling -------------------------------------------------------------------------------152 Thread Pools ----------------------------------------------------------------------------------155 Virtual Memory -------------------------------------------------------------------------------157 Virtual Memory – Demand Paging -------------------------------------------------------159 Page Replacement Algorithms – I- -------------------------------------------------------162 Page Replacement Algorithms – II--------------------------------------------------------165 Allocation of Frames -------------------------------------------------------------------------168 Virtual Memory – Thrashing ---------------------------------------------------------------171 File System Concepts ------------------------------------------------------------------------174 File System Implementation----------------------------------------------------------------176 File System Interface Access Methods – I-----------------------------------------------178 File System Interface Access Methods – II----------------------------------------------180 File System Interface Directory Structure – I-------------------------------------------182 File System Interface Directory Structure – II------------------------------------------185 File System Interface Mounting and Sharing ------------------------------------------188 File System Interface Protection ----------------------------------------------------------191 File System ImplementationAllocation Methods – I----------------------------------194 File System Implementation–Allocation Methods – II-------------------------------197 File System Implementation–Allocation Methods – III------------------------------200 File System Implementation – Performance - -----------------------------------------203 File System Implementation – Recovery -----------------------------------------------205 File System Implementation – Network File System –I------------------------------207 File System Implementation – Network File System –II---------------------------- 209 I/O Subsystem ---------------------------------------------------------------------------------211 Disk Scheduling – I----------------------------------------------------------------------------213 Disk Scheduling – II---------------------------------------------------------------------------215 Disk Management ----------------------------------------------------------------------------218 Swap Space Management ------------------------------------------------------------------220 RAID Structure – I-----------------------------------------------------------------------------223 RAID Structure – II----------------------------------------------------------------------------226 Tertiary Storage -------------------------------------------------------------------------------229 Protection – Access Matrix -----------------------------------------------------------------231 Protection Concepts -------------------------------------------------------------------------235 Security -----------------------------------------------------------------------------------------237 Memory Protection --------------------------------------------------------------------------239 Protection – Revocation of Access Rights ----------------------------------------------242 Distributed Operating System -------------------------------------------------------------245 Types & Resource Sharing - ----------------------------------------------------------------247 D-OS Network Structure & Topology - --------------------------------------------------250 Robustness of Distributed Systems ------------------------------------------------------252 Distributed File System – I------------------------------------------------------------------254 Distributed File System – II-----------------------------------------------------------------256 Distributed File System – III----------------------------------------------------------------258 Distributed Coordination -------------------------------------------------------------------260 Distributed Synchronization ---------------------------------------------------------------263

Our 2000+ Computer Fundamentals Success Master Questions and Answers focuses on all areas of Computer Fundamentals subject covering 110+ topics in Computer Fundamentals. These topics are chosen from a collection of most authoritative and best reference books on Computer Fundamentals. One should spend 1 hour daily for 15 days to learn and assimilate Computer Fundamentals comprehensively. This way of systematic learning will prepare anyone easily towards Computer Fundamentals interviews, online tests, Examinations and Certifications. Highlights  2000+ Basic and Hard Core High level Multiple Choice Questions & Answers in Computer Fundamentals with Explanations.  Prepare anyone easily towards Computer Fundamentals interviews, online tests, Government Examinations and certifications.  Every MCQ set focuses on a specific topic in Computer Fundamentals.  Specially designed for IBPS IT, SBI IT, RRB IT, GATE CSE, UGC NET CS, PROGRAMMER, RSCIT and other IT & Computer Science related Exams. Who should Practice these Computer Fundamentals Questions?  Anyone wishing to sharpen their skills on Computer Fundamentals.  Anyone preparing for aptitude test in Computer Fundamentals.  Anyone preparing for interviews (campus/off-campus interviews, walk-in interviews)  Anyone preparing for entrance examinations and other competitive examinations.  All – Experienced, Freshers and Students.

Dive into the realm of connectivity with "Networking Nexus," the ultimate MCQ guide meticulously designed for computer networking enthusiasts, students, and professionals seeking to master the intricacies of network technologies. This comprehensive resource covers a diverse range of topics in Computer Networking, providing extensive Multiple-Choice Questions (MCQs), detailed explanations, practical scenarios, and essential strategies to ensure your proficiency in designing, managing, and securing computer networks. ?? Key Features: Diverse MCQ Bank: Immerse yourself in a vast collection of MCQs covering essential Computer Networking topics. From network protocols and architecture to security measures and emerging technologies, "Networking Nexus" ensures comprehensive coverage, allowing you to build a solid understanding of the core principles of networking. Thematic Organization: Navigate through the interconnected world of computer networks with a thematic approach. Each section is dedicated to a specific aspect, providing a structured and holistic understanding of networking fundamentals. Visual Learning Aids: Reinforce your learning with visual aids, including network diagrams, illustrations, and infographics. Visual learning aids make complex networking concepts more accessible, facilitating a deeper understanding of network components, topologies, and protocols. In-Depth Explanations: Understand the reasoning behind each answer with detailed explanations accompanying every MCQ. Our guide aims to enhance your conceptual clarity, ensuring you're not only memorizing but truly comprehending the fundamental principles of computer networking. Security Scenarios: Apply your theoretical knowledge to practical scenarios with questions reflecting real-world security challenges in networking. Develop essential skills in securing networks against threats and vulnerabilities. Digital Learning Convenience: Access your study materials anytime, anywhere with the digital edition available on the Google Play Bookstore. Embrace the flexibility of digital learning and seamlessly integrate your networking studies into your routine. ?? Why Choose "Networking Nexus"? Professional Proficiency: Whether you're an aspiring network professional or a seasoned IT expert, our guide prepares you for proficiency in designing, managing, and securing computer networks. Practical Relevance: Emphasizing real-world applications, our guide equips you with the skills needed for effective network design, troubleshooting, and security implementation in today's dynamic technology landscape. Digital Accessibility: Access your study materials on-the-go with the convenience of the digital edition available on the Google Play Bookstore. Stay connected with the latest advancements in networking and technology. ?? Keywords: Computer Networking, Network Technologies, MCQ Guide, Networking Enthusiasts, Visual Learning Aids, Security Scenarios, Digital Learning, Google Play Bookstore. Build your networking expertise with "Networking Nexus." Download your digital copy today and embark on a journey of networking mastery, proficiency in security, and success in the dynamic field of computer networking. 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 OVERVIEW OF THE INTERNET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 PROTOCOL LAYERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1.3 INTERNET HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 1.4 STANDARDS AND ADMINISTRATION . . . . . . . . . . . . . . . . . . . . . . . . 63 2 Application Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 2.2 CLIENT-SERVER PARADIGM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 2.3 CLIENT-SERVER APPLICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 2.4 PEER-TO-PEER PARADIGM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 2.5 SOCKET INTERFACE PROGRAMMING . . . . . . . . . . . . . . . . . . . . . . 105 3 Transport Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 3.2 USER DATAGRAM PROTOCOL (UDP) . . . . . . . . . . . . . . . . . . . . . . . 130 3.3 TRANSMISSION CONTROL PROTOCOL (TCP) . . . . . . . . . . . . . . 132 4 Network Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 4.2 NETWORK-LAYER PROTOCOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 4.3 UNICAST ROUTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194 4.4 NEXT GENERATION IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 5 Data-Link Layer: Wired Networks . . . . . . . . . . . . . . . . . . . . . . 231 5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 5.2 DATA LINK CONTROL (DLC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237 5.3 MULTIPLE ACCESS PROTOCOLS (MAC) . . . . . . . . . . . . . . . . . . . . 251 5.4 LINK-LAYER ADDRESSING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256 5.5 WIRED LANS: ETHERNET PROTOCOL . . . . . . . . . . . . . . . . . . . . . . 258 5.6 CONNECTING DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274 6 Wireless Networks and Mobile IP . . . . . . . . . . . . . . . . . . . . . . . 289 6.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 6.2 WIRELESS LANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320 6.3 WIRELESS NETWORKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 7 Physical Layer and Transmission Media . . . . . . . . . . . . . . . . . 371 7.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371 7.2 DATA AND SIGNALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384 7.3 DIGITAL TRANSMISSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385 7.4 ANALOG TRANSMISSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389 7.5 BANDWIDTH UTILIZATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390 7.6 TRANSMISSION MEDIA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392 8 Multimedia and Quality of Service . . . . . . . . . . . . . . . . . . . . . . 399 8.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399 8.2 COMPRESSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447 8.3 MULTIMEDIA DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476 8.4 MULTIMEDIA IN THE INTERNET . . . . . . . . . . . . . . . . . . . . . . . . . . . 537 9 Network Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575 9.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575 9.2 SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 588 10 Network Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 595 10.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 595 10.2 CONFIDENTIALITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 666 10.3 Digital Signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 668 10.4 INTERNET SECURITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 678 10.5 FIREWALLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 688

This is a quick assessment book / quiz book. It has a vast collection of over 1,500 short questions, with answers. It covers all the major topics in a typical first course in Computer Networks. The coverage includes, the various layers of the Internet (TCP/IP) protocol stack (going from the actual transmission of signals to the applications that users use) – physical layer, data link layer, network layer, transport layer, and application layer, network security, and Web security.

Learn the core theory and explore real-world networking issues with this richly illustrated example-based textbook. It includes case studies and numerous laboratory exercises that connect theory and practice through hands-on experimentation with real networking devices. Its bottom-up approach is easy for students to follow and perfect for lab-oriented courses.