Q1. A company sets up a server-based network with ten terminals. Each terminal is a PC with its own secondary storage.
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1 Q1. A company sets up a server-based network with ten terminals. Each terminal is a PC with its own secondary storage. (a) The network was recently created from an existing set of stand-alone computers, and is used by a team of programmers. Describe two advantages that networking the computers has brought to the programming team (b) The network manager has the choice of: Option 1: Installing all the applications software on the server. Option 2: Installing the applications software on the hard drive of each PC. Describe one advantage to the network manager of Option 1. Describe one advantage to a terminal user of Option 2. (c) Each terminal communicates with a printer using a handshaking protocol. Explain the term protocol. Explain the term handshaking. Page 1 of 15
2 (d) Clients who use the company s website input into the address bar of their browser. What is the domain name for the company? (Total 8 marks) Q2. The figure below shows the address bar of a web browser. (a) This is used to access various websites. What does represent? Another way to access a website is to key a URL into the address bar. What does URL stand for? (b) Name and describe two features you would expect to find on the browser s menu or toolbar which are specific to browser software. 1. Feature:... Description: Feature:... Description:... Page 2 of 15
3 (c) AQA Wanderers are a local soccer club which has a website. The club s players and members frequently access this website using the URL: The club pay an annual subscription to the company Footy Hosting Ltd to host the club s site. The company also hosts the sites for hundreds of other soccer clubs. What is the domain name of the website being accessed? Explain from the URL shown, how the company may have organised the storage of the pages for all the clubs it manages on its web server. (d) The soccer club s own computer is used to manage and upload the page content for AQA Wanderers and is done using a broadband connection. Select from the list below the most probable value for the transfer rate of the data using the broadband connection. Put a circle around your answer. 20 MB 1.6 GHz 200 bps (bits/sec) 2 Mbps 128 Kbps (e) The website for a single soccer club takes up approximately 5GB of storage space. Footy Hosting Ltd currently has 500 clubs as customers and hopes to double this by the end of What type of secondary storage is used for a web server? Select from the list below one value for the minimum size of web server required to host the sites for all clubs (including the proposed expansion in business). Put a circle around your answer. 50 MB 500 MB 20 GB 100 GB 8000 GB (Total 9 marks) Page 3 of 15
4 Q3. A county has a number of local libraries in various towns. Books currently belong to each library and there is no system for the exchange of books between libraries. Each library has a local area network (LAN) for lending and enquiries shown in the figure below. (a) Describe what is meant by a local area network... What type of local area network topology is shown in the figure above?. (iii) Does the network cable for this type of network use serial or parallel transmission of data?. (iv) Name one other type of local area network topology.. (v) Name two other devices which could be added to the network each of which would be a resource shared by users (administrators and/or borrowers) of the network Page 4 of 15
5 (b) There is currently an Internet connection from one of the PCs, and staff use this to contact a book supplier by keying the following into the address bar of the browser software. What is the domain name of the supplier?. What is index.htm?. (iii) Sometimes when the browser is used the software displays the error message Page Not Found. Give one possible reason for this, other than a misspelling of the URL. (c) The decision has been made to connect each library to a wide area network. Explain what is meant by a wide area network (WAN)... Describe two benefits of connecting all the libraries to a WAN. One should be a benefit for a library administrator and one a benefit for a borrower. 1 Administrator Borrower.... (Total 14 marks) Page 5 of 15
6 Q4. Figure 1 below shows part of the logical layout of an Ethernet-based local area network consisting of several desktop PCs connected using a bus topology. The network is split into two segments linked by a bridge. Figure 1 (a) Why is it necessary sometimes to split local area networks based on a bus topology into two or more segments? Describe the involvement of the bridge in Figure 1 in traffic management on the Ethernet segments. Page 6 of 15
7 (iii) The network in Figure 1 is physically realised using two hubs, a bridge and twistedpair cabling to interconnect the desktop PCs. Draw a labelled diagram of the layout of the network that uses these components. (iv) The network in Figure 1 is operated as a peer-to-peer network. Explain peer-to- peer networking. Page 7 of 15
8 (b) Figure 2 below shows how three desktop PCs may share via an Ethernet switch and router an ADSL line connection to the Internet. Figure 2 What is the role of an Internet Service Provider (ISP)? Page 8 of 15
9 What is a router? Figure 3 (iii) Figure 3 above shows part of the TCP/IP configuration window displayed on the VDU of Desktop PC 1. What IP address should be entered for the Default Gateway? (Total 9 marks) Page 9 of 15
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