9626_m18_qp_32
A paper of Information Technology, 9626
Questions:
12
Year:
2018
Paper:
3
Variant:
2
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3
Fig. 1 shows a diagram of interconnected computer networks that use internet protocol (IP) to communicate. A file is being sent as six data packets from network A to network H. Nodes B to G are routers used to connect the networks. E F C B A G H D router network packet Key Fig. 1 Explain why the packets arriving at network H are in a different order from when they were sent by network A. Explain the role of the routers B to G in sending the packets from network A to network H.
14. Communications technology  →  14.6. Network protocols
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A building project has a number of activities, F, G, H, I, J and K, that need to be carried out between the stages A, B, C, D and E. Fig. 2 shows a Project Evaluation and Review Technique (PERT) chart for the building project. F 4 months G 5 months K 3 months J 3 months H 3 months I 2 months D C E B A Fig. 2 The building project has a series of milestones to help the managers monitor the progress of the project. Identify the first two milestones in this project. Describe the critical path through this project. To create the PERT chart, managers first produced a Gantt chart. On the grid below, draw and label the Gantt chart from which the PERT chart in Fig. 2 would have been derived.
15. Project management  →  15.3. Tools and techniques for project management tasks
15. Project management  →  15.1. The stages of the project life cycle
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A global company has many managers in cities around the world. A mail merge document is being created to invite each manager to a training event. The section of the data source file storing the managers’ details for the mail merge is: Invite? Title First Name Family Name Address1 Address2 City Country Postcode Yes Mr Harold Johnson The Beeches 12a Bury St Manchester UK M3 4EN Yes Mr Ahmed Molokya El Gezira St Dokki Cairo Egypt Yes Ms Rowena Cobb PO Box Sunshine Drive Auckland New Zealand Yes Mr Vihann Sardana SM Mandir Mumbai India No Mr Sam Wick 4 The Avenue Attwood Hume Australia Yes Mrs Rethebile Pillay Farnworth Cape Town South Africa Yes Miss Charlene Foster 15 Stirling Highway Melbourne Terrace Melbourne Australia No Mr Daniel Cross 64 Cherry Rd Hinton Cambridge UK CB1 4EF Managers in the UK and Egypt will be invited to the event in London while all others will be invited to the event in Hong Kong. Managers who are not being invited are marked as ‘No’ in the source file. A first draft of the mail merge template for the letter is shown here: > > > > > > > Dear > > The company is holding a training event for you on 1 July 2019 in > and you are invited to attend. All expenses for travel from your home city of > and accommodation at the meeting will be paid by the company. Yours sincerely Managing Director Explain how the mail merge may be set up to create letters only to those who are invited. Explain how the mail merge template, shown on page 8, must be altered to ensure that the managers who receive an invitation are asked to the correct event.
18. Mail merge  →  18.1. Mail merge
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Drivers who are 16 years of age or older can apply for a driving licence online. The government web page code requires applicants to enter their age and then checks if they are old enough to apply. The following code captures the applicant’s age. When the applicant clicks the ‘Check now’ button the age is first checked to ensure that it is numeric. The age is then checked to see if the applicant is old enough. Suitable messages are displayed as a result of the checks. Complete the code for the function CheckAgeFunction that checks the age entered by the applicant and displays an appropriate response. You can apply for a licence to drive when you are 16 years old. To check if you are old enough to drive, input your age and click the button: Check now function CheckAgeFunction() { } document.getElementById("AgeCheck").innerHTML = CanApply; }
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