NEW
Font size
WorksheetsC.R.A.N. Practice Exam
Total questions: 40
Worksheet time: 40mins
Which component determines the speed at which instructions are processed in a computer?
RAM
Hard Drive
CPU
NIC
Which device is responsible for assigning IP addresses to devices on a local network?
Switch
Router
DHCP Server
Modem
If the RAM in a computer is faulty or missing, it would?
Run Slower
OS Won't Load
Display Would Show a Warning
Hard Drive would not work
Which networking device provides wireless access to a wired network?
Switch
Router
Access Point
Modem
Which of the following IP addresses is reserved for loopback testing?
0.0.0.0
192.168.2.7
255.255.255.255
127.0.0.1
Which of the following is NOT an image file
chicken.png
photo.docx
car.jpeg
Picture.gif
The "S" in HTTPS stands for...
Secure- Encrypts data between browser and server
Simple- Allows basic connection
Server- Identifies hosting location
Socket- Allows API access
What type of IP Address is 169.254.x.x
Public IP
Loopback Address
Link-Local Address
Reserved Broadcast Address
Which protocol is responsible for translating domain names into IP addresses
HTTP
FTP
DNS
DHCP
Which device only forwards data to the intended recipient within a network?
Hub
Switch
Router
Firewall
Which generation of DDR RAM is currently know for the highest transfer rates?
DDR2
DDR3
DDR4
DDR5
What is the purpose of a surge protector?
Increase battery life
Protect equipment from voltage spikes
Filter internet speed
Extend WIFI signal
Which formula would calculate an average of values in cells A1 to A5
=AVERAGE(A1:A5)
=MEAN(A1:A5)
=AVERAGE(A1+A5)
=TOTAL(A1:A5)
What does "SD" in SDRAM stand for?
Standard Direct
Synchronous Dynamic
Static Data
Super Data
a computer is continuously beeping on startup, which component is most likely faulty?
Hard Drive
CPU
Power Supply
RAM
Which of the following actions is LEAST effective against phishing attacks?
Looking for poor grammar
Clicking links to see where they go
Verifying email addresses
Not downloading random internet items
What is the main purpose of the PSU in a computer?
Convert AC to DC Power
Speed up internet
Convert microwave phsycosis waves to usable power for the PC
Convert data to power for the PC
Which part of the IPV4 address 192.168.1.1 identifies the host when using the subnet mask 255.255.255.0
192
168
0
1.
Which windows OS tool helps check for hardware issues like memory failure?
Device Manager
Task Manager
Event Viewer
Windows Memory Diagnostic
What is the main purpose of a firewall in a network
Protecting against unauthorized access
ROM loses it's data when computer is powered off
TRUE
FALSE
You can use a 127.0.0.1 IP address to test your own device's network functionality
TRUE
FALSE
A PSU failure can cause a computer to shutdown
TRUE
FALSE
The OS is responsible for managing only input and output devices of a computer
TRUE
FALSE
(.mp3) is used for video files
TRUE
FALSE
A surge protector helps to guard against malware attacks
TRUE
FALSE
ROM keeps it's data even when the computer is powered off
TRUE
FALSE
A virus can spread through a network and damage multiple systems
TRUE
FALSE
The internet is the largest example of a WAN
TRUE
FALSE
The router is responsible for assigning IP addresses to devices on a local network
TRUE
FALSE
Process-Input-Output is the basic model of how a computer works
TRUE
FALSE
The formula [=SUM(A1:A5)] in excel adds the values in cells A1 to A5
TRUE
FALSE
Touchscreens act as both input and output devices
TRUE
FALSE
An ergonomic workstation can help reduce physical strain
TRUE
FALSE
Excel is a word processing software
TRUE
FALSE
SSDs are faster and more durable than HDDs
TRUE
FALSE
In client-server communication, the client requests services, and the server responds
TRUE
FALSE
DRAM needs constant refreshing to retain data
TRUE
FALSE
Malware can hide in unused apps or downloads and pose a threat to your system
TRUE
FALSE
Devices in a PAN are typically spread across different cities
TRUE
FALSE
