level 3 technical level it cyber security it networking it user support unit 2 communication technologies h5076426
aqa level 3 technical level it cyber security it networking it user support u
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A/AS Level
AQA
Level 3 Technical Level IT: CYBER SECURITY IT: NET
Level 3 Technical Level IT: CYBER SECURITY IT: NET (AQA)
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A
Surname
Other Names
Centre Number
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Candidate Signature
Level 3 Technical Level
IT: CYBER SECURITY
IT: NETWORKING
IT: USER SUPPORT
Unit 2 Communication technologies
H/507/6426
Tuesday 21 May 2019 Afternoon
Time allowed: 2 hours
At the top of the page, write your surname and other
names, your centre number, your candidate number
and add your signature.
[Turn over]
*jun19H507642601*
, 2
For this paper you must have:
a ruler
a scientific calculator (non-programmable)
stencils or other drawing equipment
(eg flowchart stencils).
INSTRUCTIONS
Use black ink or black ball-point pen.
Answer ALL questions.
You must answer each question in the space
provided. Do not write on blank pages.
Do all rough work in this book. Cross through any
work you do not want to be marked.
If you need more space use the additional pages at
the back of this booklet.
*02
*
, 3
INFORMATION
The marks for questions are shown in brackets.
The maximum mark for this paper is 80.
There are 50 marks in SECTION A and 30 marks in
SECTION B. Both sections should be attempted.
ADVICE
In all calculations, show clearly how you work out
your answer.
Use diagrams, where appropriate, to clarify your
answers.
You are expected to use a calculator where
appropriate.
You are reminded of the need for good English and
clear presentation in your answers.
DO NOT TURN OVER UNTIL TOLD TO DO SO
*03
*
, 4
SECTION A
Answer ALL questions in this section.
0 1 Gigabit Ethernet increased potential speeds
to
Tick () ONE box. [1 mark] 128
Mbit/s
256 Mbit/s
512 Mbit/s
1000 Mbit/s
*04
*
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