Year 13 mock

Question 1

Topics to work on:

Answer 1

• pipelining
• LMC and Assembly
• BIOS
• ROM and Embedded Systems
• layout and colour paradigms 1.5.2
• Virtual Machines
• lossless and lossy compression
• linkers and loaders
• stages of compilation
  -harder binary
• SE indexing and PageRank
• binary search tree (ALL OF 1.4!!)

Question 2

Loading the website HTML code

Answer 2

client side

Question 3

Applying CSS styles to a
website

Answer 3

client side

Question 4

Running JavaScript code to
check that the customer
surname has been entered
on the order form.

Answer 4

client side

Question 5

Running queries on the
database to check if an item
is available in stock.

Answer 5

server side

Question 6

what is a protocol and explain why important in network communications

Answer 6

A set of rules for communication/ transmission/transfer of
data between devices

● The sending system has no direct control over the way the receiving system responds
● Allows standardisation as different devices have different
OS/hardware
● Protocols allow for data to be exchanged in a predictable
way/ in the correct format

Question 7

router

Answer 7

Connect networks together
● Assign IP address to devices
● Examines data packets and forwards them

Question 8

Cable/ Ethernet

Answer 8

● Carries digital data from one device/NIC to the next
● Connects wired devices to the network

Question 9

Gateway

Answer 9

● Connects different types of network
● Translates protocols from one network to another

Question 10

Proxy server

Answer 10

● Sits between user and computer to route
requests through an external server
● Creates separation between a user and the
site/service
● Protects your security/anonymity by hiding
IPs

Question 11

● Bridge

Answer 11

● Connects different network segments

Question 12

● Repeater

Answer 12

● Receives a signal and retransmits it

Question 13

● Network Interface Card / NIC

Answer 13

● Gives each device a MAC address / unique ID
● Allows a computer system to interface with a network

Question 14

● Wireless Access Point / WAP

Answer 14

● Allows wireless devices to communicate with each other
● Sends and receives radio waves
● Examines data packets and forwards them

Question 15

Switch e.g.

Answer 15

Switch e.g.
● Connects multiple wired devices to the network
● Receives data and forwards it to the intended recipient

Examines data packets and forwards them
● Routes based on MAC addresses

Question 16

Hub

Answer 16

Hub e.g.
● Receives data from a device and broadcasts it to all
devices connected to it

Question 17

Modem

Answer 17

modulator demodulator
● Changes a signal from digital to analogue

Question 18

● Firewall

Answer 18

● Firewall e.g.
● Filters traffic coming in and out of a network

Question 19

powers that this law gives to some government bodies

Answer 19

Allows for mass surveillance of communications
● Allows the monitoring of an individual’s internet
activities/history
● Allows covert surveillance to be carried out
● Can demand access to protected data
● Can demand that ISPs/businesses give access to
customer communications/history
● Can demand that ISPs/businesses install equipment
that facilitate surveillance
● Can demand that encryption keys are handed over
// force individuals to decrypt data
● Can keep existence of searches and what found
private in court