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WorksheetsTech+ Mod 5.0 Networking
Total questions: 50
Worksheet time: 25mins
What numbering system uses the digits 0-7?
Binary
Decimal
Octal
Hexadecimal
What is the base of the hexadecimal numbering system?
2
8
10
16
How many bytes are in a kilobyte (KB)?
512
1000
1024
2048
What is the maximum number a single byte can hold?
100
255
1024
128
How do computers use binary to represent information?
By using combinations of digits 0 through 9
By using combinations of only two values: 0 and 1
By using combinations of letters A through F
By using combinations of symbols and characters
Which port number is used for secure web communication?
80
110
443
25
What is port forwarding?
A method to store data on a server
A way to send network traffic to a new address
A protocol for secure communication
A technique to compress files
What is the purpose of network protocols?
To provide physical connections between computers
To create a common set of rules for network communication
To determine where shared information will be stored
To set what wireless antennas will be used
What is the definition of network media?
The software that manages network connections
The hardware that connects computers to a network
The pathways that connect computers together to share information
The rules that govern data exchange over a network
Which computer component is not needed to share information on a network?
Network media
Network interface
Network protocols
Network storage
What is a MAC address?
A type of IP address with a port
A unique hexadecimal number hardcoded in a device
A logical address assigned by software
An IPv6 address
What is the main reason for transitioning from IPv4 to IPv6?
IPv4 is too slow.
IPv4 addresses are running out.
IPv4 is not secure.
IPv4 cannot be used on wireless networks.
How many bits are in an IPv4 address?
16
32
64
128
Besides a network administrator, how can IP addresses be assigned?
By the device manufacturer
By the operating system
By DHCP (Dynamic Host Configuration Protocol)
By the MAC address
What happens when you connect your mobile device to Bluetooth earbuds?
You create a personal area network (PAN)
You connect to the internet
You start a video call
You send an email
What is the primary function of a wireless access point (AP)?
To connect wired devices to the network
To enable wireless devices to connect to the network
To store data for the network
To provide power to network devices
What tool is used to connect an RJ-45 cable to its clip?
Punch Down tool
Crimper
Cable Tester
Toner Probe
What are the three types of cables that carry Internet data?
Fiber optic cable, coaxial cable, and twisted pair copper wire
Fiber optic cable, USB cable, and twisted pair copper wire
Coaxial cable, HDMI cable, and twisted pair copper wire
Fiber optic cable, coaxial cable, and HDMI cable
What does a cable tester do?
Connects an RJ-45 cable to its clip
Pushes wires into a patch panel
Checks if a cable is working
Finds where a network cable starts or ends
What is the primary purpose of a VPN for remote users?
To increase internet speed
To create a secure connection over the Internet for remote users
To reduce hardware costs
To provide public access to private networks
What device is usually used to connect a LAN to a WAN?
Switch
Router
Modem
Hub
Which of the following best describes a Wide Area Network (WAN)?
A network that connects devices within a single building
A network that spans a large geographical area, often connecting multiple smaller networks
A network that is limited to a single city
A network that only connects personal devices like smartphones and tablets
What is a peer-to-peer relationship in networking?
One computer requests and another responds
Both computers can request and provide resources
Only one computer is powerful
It requires a central server
In a client-server model, what role does the server play?
It requests information and resources
It fulfills client requests
It only consumes resources
It is always offline
What device takes the signal from the modem and sends it to the switch?
Router
Firewall
Hub
ISP
What is the main function of a modem?
To connect different devices within a local network
To translate signals from the ISP into a form your devices can understand
To send out Wi-Fi signals
To filter out bad data from the internet
What is the unique code that switches use to send data to the right device?
IP address
MAC address
URL
SSID
What is an intranet?
A global network accessible to everyone
A private LAN for a company or organization
A type of Internet service provider
A device used to connect to the Internet
What is the role of a firewall in a LAN?
To connect multiple computers
To manage the internet connection
To block unauthorized access
To increase network speed
What device is commonly used to connect computers in a LAN?
Router
Switch
Modem
Firewall
What wireless technology requires less than 2 inches to connect?
Wi-Fi
Bluetooth
Near Field Communication (NFC)
Satellite Communication
The Institute of Electrical and Electronics Engineers (IEEE) established what standards for wireless communications?
802.3
802.11
802.15
802.16
What is a WLAN?
A type of wired network
A type of wireless network
A type of internet service provider
A type of computer hardware
What is a pre-shared key?
A type of combination cable lock
A password used to access a wireless network
A setting to prioritize network traffic
A setting to extend the range of the wireless signal
What is the current standard for WiFi encryption that is considered very secure?
WEP
WPA
WPA2
WPA3
What should you do to make your router more secure?
Use the default SSID and password
Change the SSID and password
Turn off the router
Use an open network
What is the effect of interference on a Wi-Fi signal?
Increased signal strength
Decreased signal strength and network speed
Higher download speed
Lower latency
What is attenuation in the context of Wi-Fi signals?
The increase in signal strength
The loss of signal strength as you move away from the router
The interference from other devices
The speed of data transmission
Why do most Wi-Fi routers support multiple standards?
To increase the range of the wireless antenna
To ensure compatibility with both old and new devices
To improve the network speed for gaming
To reduce the router's power consumption
How is the 2.4 GHz frequency better than the 5 GHz frequency?
It has less interference from other devices.
It offers faster data transfer speeds.
It can travel longer distances.
It supports more channels.
What is virtualization?
A technology that allows multiple operating systems to run on a single computer simultaneously.
A method of increasing the storage space.
A way to connect multiple computers together in a network.
A technology to create a fake computer to confuse hackers.
What is the role of a hypervisor in virtualization?
It manages the virtual machine environment and facilitates interaction with the host hardware and network.
It increases the computer's processing power.
It provides additional storage space for virtual machines.
It is a type of guest operating system.
What is a "sandbox" in the context of virtual servers?
A virtual environment for testing new apps and programs safely.
A place to trap viruses on the network.
A firewall to protect virtual machines.
The term to describe the hypervisor host machine.
What is container virtualization?
A method to run multiple operating systems on one computer.
A lighter way to run many apps without them interfering with each other.
A type of virtual machine that requires a full operating system for each app.
A method to increase physical memory.
Which type of hypervisor requires an existing operating system to run?
Type 1
Type 2
Bare-metal
Hardware
Why is a Type 1 hypervisor also known as a bare-metal hypervisor?
Because it runs directly on the computer hardware without needing an operating system
Because it only allows for one type of guest OS
Because it is exposed to more viruses
Because it is more sensitive to interference
Which cloud service model allows you to use a program through your web browser over the Internet?
Infrastructure as a Service (IaaS)
Platform as a Service (PaaS)
Software as a Service (SaaS)
On-premises management
Which cloud service model is usually for developers and database administrators?
Software as a Service (SaaS)
Platform as a Service (PaaS)
Infrastructure as a Service (IaaS)
On-premises management
Which cloud service model provides physical equipment such as servers, routers, and storage?
Software as a Service (SaaS)
Platform as a Service (PaaS)
Infrastructure as a Service (IaaS)
On-premises management
What is a hybrid cloud?
A cloud service model that provisions fully developed application services to users
A cloud environment shared among many unrelated organizations
A cloud environment set up just for authorized users within an organization
A combination of public and private cloud models
