Internet and Intranet

# Internet and Intranet ## Marks ![](https://i.imgur.com/ghkJDNH.png) ## Chapter 1 1. Explain ISPs and how they are interconnected and also explain distinguishing feature of a tier 1, tier 2 and tier 3 ISPs.[4+6] 2. Discuss briefly about the IANA responsibilities? Explain the internet number management hierarchy with diagram. Describe the necessity of internet backbone in the internet connection with examples? 4. Define and compare Internet and Intranet. Discuss the need and use of Domain Name system (DNS) over the internet[4+4] 6. What is internet backbone network? Explain the major components/organization of internet ecosystem.[2+8] 7. What are the functionalities of IANA and ICANN? Explain the role of IP address for internet access. 8. What are the internet resources? Which organization is responsible for distributing internet resources? Explain with their hierarchies and necessary diagrams. ## Chapter 2 1. Describe the IPV6 header to justify the statement “IPV6 have better header format to support real time applications like: video conferencing”. Describe IP datagram fragmentation process in IPV6.[5+5] 2. Compare the IPv4 and IPv6 header format with diagram. What are the relationship between TCP and IP? How fragmentation process is done in IPv6? Explain with a suitable example. 3. Describe IPv4 header structure with suitable diagram. Describe internet RFC along with its streams.[6+4] 4. List the advanced features of IPv6. Describe IPv6 header format with suitable diagram.Describe internet RFC along with its streams.[10] 5. Compare the IP datagram fragmentation process in IPv4 and IPv6 with an example. [10] 6. What is the application of TCP/IP? Compare IPv4 and IPv6 on the basic of routing.[4+4] 7. Define internet RFC. How differently IP datagram fragmentation is carried out in IPv4 and IPv6? Explain each with example.[2+8] 8. How do you verify that IPv6 has simplified header format? Explain by comparing with IPv4. ## Chapter 3 1. What do you think are the features that a web browser needs to incorporate? Compare and contrast among HTTP, SMTP and PGP.[8] 2. Explain what conditional GET is and also explain the role of conditional GET in web browsing? What are the essential components of 3-tier client/server architecture?[4+4] 3. What is PGP? Explain the operation of PGP for authentication and confidentiality with necessary diagrams.[10] 4. Explain the role of conditional GET in web browsing? What are the essential components of 3-tier client/server architecture?[4+4] 5. Define client/server architecture with its benefits and drawbacks. Discuss the FTP client/server operation with its types.[4+6] 6. What do you mean by SMTP? Explain the types of FTP and its working principle. [2+8] 7. How e-mail works? Discuss with the functions of different e-mail agents involved. 8. What do you mean by multiprotocol support? Explain how MPLS works? ## Chapter 4 1. Explain different type of virtual hosting with an example. Write down the major steps while configuring name based virtual hosting.[3+5] 2. Clarify "Browser as a rendering engine" with suitable example? Mention the benefits of AJAX.[4+4] 3. With regards to HTTP protocol, write the difference between persistent and Non Persistent connection. Why HTTPS is not used for all web traffic?[5+3] 4. Why do you need AJAX programming? Explain DOM tree and Rendering tree used for the rendering of a web page.[2+8] 5. Explain different types of web virtual hosting mechanism with an example. Write down the major steps while configuring named based virtual hosting.[5+5] 6. How HTTP works? Explain different methods of HTTP. Write the concept of virtual hosting.[3+3+4] 7. Explain different type of virtual hosting with an example. Write down the major steps while configuring named based virtual hosting.[4+6] 8. How are XML and JAVA SCRIPTS used together to develop client-side web applications?[2+8] 9. What is HTTP? Explain how this protocol works? 10. What is virtual hosting? Explain the HTTP connections with respect to web access. ## Chapter 5 1. Describe how content distribution network reduces the delay in receiving a requested object. Will content distribution reduces the delay for all objects requested by a user?Explain your answer with appropriate figure.[8+2] 2. What is RADIUS server used for? Explain configuration of RADIUS server along with proper network architecture. How CARP works?[5+3] 3. What is Fair Use Policy? Describe the use of RADIUS server in different ISPs controlling the FuP limit. How is CHAP integrated with RADIUS for authentication?[4+6] 4. Explain RADIUS server with its functions. What is cookie? What are the types of cookie? Explain.[5+5] 5. Define content and content filtering. How do you perform content filtering? Discuss the differences between packet filtering and content filtering. 6. What is CDN? How Proxy CDN works? Explain with example. ## Chapter 6 1. Define the terms internet, intranet and extranet and explain the role each plays in e-business.[8] 2. Differentiate between the internet and intranet on the basis of benefits and drawbacks.Explain about the VPN methods. Why CMS is important in intranet system development?[3+3+1] 3. Compare internet, intranet and extranet in terms of their benefits and drawbacks. Briefly explain IPSec components and its features. 5. What is intranet implementation? Explain the procedure to follow for intranet implementation. Write the concept of Virtual Private Network (VPN).[2+4+4] 6. Compare intranet and internet in terms of benefits and drawbacks. Discuss in detail about firewall and content filtering.[4+6] ## Chapter 7 1. What is an electronic payment system? What are the advantages of having e-commerce over extranets? What are its types and advantages?[2+2+6] 2. What is VoIP? A friend of yours uses an ADSL network to use the internet: he wants to communicate to you using ISP cloud for VoIP. Explain the necessary network diagram for the communication.[2+8] 3. What is VOIP? Describe briefly SaaS, PaaS and IaaS as service models of cloud.[2+6] 4. Explain the Inter-relationship of e-commerce with internet. Explain the concept of cloud and computing in brief.[5+5] 5. What is VOIP and IP Interconnection? Discuss basic operation of VOIP.[8] 6. What do you mean by IRC and FoIP? Discuss in detail about the building blocks of e- commerce.[4+6] 7. What are VoIP and IP Interconnection? Discuss the economic, administrative and legal issues of VoIP and IP interconnection in Nepal. 8. How internet should evolve to support better multimedia?, Explain different classes of multimedia application with suitable example?[4+6] ## Numerical 1. Design the redundant network for IOE Pulchowk campus with 4 departments including ISP which are around 300m a part from each other. Three departments have 4 labs each with 24 computers in each room. ISP contains server farm with server like DNS, DHCP,Email, FTP, NMS and webserver and the main internet router which will be connected to upstream provider. Propose appropriate equipment (L1, L2 and L3) and physical wires for the network design. [10] 2. Design intranet network provided with primary and secondary link for IOE with constituent campus (Eastern Campus, Western Campus, Thapathali Campus and Pulchowk Campus), that are located in different location. IOE having a control department that contain DNS, DHCP, EMAIL, WEB and DB Server. Assume the each campuses have 50 computers and 10 wireless devices. Propose appropriate tools (L1, L2, L3, Firewalls, WAP), physical links for intranet network and also make the BOQ.[12] 3. Design the redundant/loop free intranet for a Bank having 5 branches in different locations with a central internet department. Internet department contain DNS, DHCP, Email, FTP, Webserver and Database server. The internet department has been implemented the security mechanisms like firewall and IDS and VPN. Each branches have 50 computers, each is provided internet facility. The Bank has purchased a network of 240A0:4206::/32 from APNIC. Propose appropriate equipment (L1, L2 and L3) and physical links for the intranet design with proper IP addresses allocation. [10] 4. Design the redundant/loop free network for 3 stories XYZ insurance company having 5 departments including Internet department. Internet department contain serve farm with server links DNS, DHCP, Email, FTP, insurance application server and webserver. The main internet routers which will be connected to multiple upstream provider. Beside Internet department, other 4 departments have 20 computers each. Propose appropriate equipment (L1, L2 and L3) and physical wires for the network design.[12] 5. Design the redundant network for IOE Pulchowk campus with 4 departments including ISP department which are around 400m a part from each other. Three departments have 5 labs each with around 24 computers in each room. ISP contains server farm with server like DNS, DHCP, Email, FTP and webserver and the main internet router which will be connected to upstream provider. Propose appropriate equipment (L1, L2 and L3) and physical wires for the network design.[12] 6. What are the guidelines to design proper network system? You are asked to design a Network System for the organization which has 2 different buildings at less than 500 meter distance. The main building is 5-storey building which has Network/Server room in third floor. There are 3 computer training labs in 1st, 2 and 3rd floor consisting of 20 2nd computers at each lab. You need to provide interne to all lab computers as well as office computers for staffs. Connect two buildings from Fiber network. You can suggest multiple numbers of Wireless AP and/or Wired Network systems for your requirement.Prepare the required technical documents and suggest a network for the organization.[2+10] 7. NITC building had 4 research labs each having 24 computers. All labs are located at the 1St floor. Each computer is to be connectedin the network from NCR located at 2nd floor. Prepare a bill of quality (BoQ) with necessary network resources required for complete networking. The BoQ must include estimation of all network resources required. [12] 8. IOE ICT building has six computer labs each having 30 computers. Two labs are located at 2nd floor and four labs are located at 3rd floor. Each computer has redundant network connection via dual ports CAT6 information outlet connected directly from NetworkControl Room (NCR) located at ground floor. Prepare the Bill of Quantity (BoQ) with necessary network resources required in quantity for the complete networking. Your Booshould include estimation of information outlet (faceplate), wireless AP, CAT6 cables,Patch Cords, 24 ports Patch Panels and 48-ports Switches. 9. The IOE CIT has 4 labs each having 24 computers, All labs are located at ground floor. Each computer is to be connected in the network from Network Control Room (NCR) located at first floor, Redundant network connection is provided to each computer in the labs. The 48 ports gigabit switches and 24 ports patch panels are to be mounted at a 42 U server rack at NCR with necessary cable managers to provide CAT6 connection to each computer. Design the network with structured cabling and prepare Bill of Quantity (BOQ) panels, switches and wireless AP. ## Short Notes [4 marks * WYSIWYG * DHCP * AJAX * Cookies * Unified Messaging System * Firewall and DMZ * Universal Internet Browsing * Virtual Web Hosting * WYSIWYG authoring tool * FTP * Proxy load balancing * xDSL * Internet ecosystem * E-mail agents and third functions * Content Filtering * HTTP * Proxy CDN * Types of firewalls * Role of helper applications in web programming