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WorksheetsTech+: Chapter 5 Exam
Total questions: 90
Worksheet time: 45mins
Which numbering system is used to represent file permissions in Linux?
Binary
Decimal
Octal
Hexadecimal
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 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 main advantage of a WAN for a company?
Increased internet speed
Seamless communication and sharing of information
Reduced hardware costs
Easier software installation
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
What numbering system uses the digits 0-7?
Binary
Decimal
Octal
Hexadecimal
What tool is used to connect an RJ-45 cable to its clip?
Punch Down tool
Crimper
Cable Tester
Toner Probe
What type of router is best suited for small offices or homes?
Commercial router
Consumer router
Managed router
Unmanaged router
Which type of cable is most commonly found inside houses?
Fiber optic cable
Coaxial cable
Twisted pair copper wire
HDMI cable
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
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 the benefit of virtualization if a host machine is damaged?
Virtual machines can be easily moved to another physical computer
The damaged host machine will automatically repair itself
The virtual machines will use less power
The virtual machines will not be affected by the damage
What is a SOHO network?
A network for large enterprises
A network for small offices or home offices
A network that does not require a router
A network that only uses wireless connections
What happens to Wi-Fi signal strength as you move farther from the router?
It increases
It decreases
It stays the same
It fluctuates randomly
What wireless technology requires less than 2 inches to connect?
Wi-Fi
Bluetooth
Near Field Communication (NFC)
Satellite Communication
Which 802.11 standard was the first to allow more than one frequency band?
802.11a
802.11b
802.11g
802.11n
How many bits are in an IPv4 address?
16
32
64
128
What device takes the signal from the modem and sends it to the switch?
Router
Firewall
Hub
ISP
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
What feature allows switches to send electricity through Ethernet cables?
VLAN
PoE
WAN
ISP
What device is usually used to connect a LAN to a WAN?
Switch
Router
Modem
Hub
What is the main limitation of the ASCII format?
It can only represent numbers
It is too complex to use
It only supports 128 characters, primarily based on the English language
It is incompatible with modern computers
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
How is the 5 GHz frequency better than the 2.4 GHz frequency?
It has a longer range
It has less interference from other devices
It is compatible with older devices
It consumes less power
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.
What is latency in the context of internet speed?
The speed at which data is downloaded
The delay that occurs when data packets travel over the internet
The strength of the Wi-Fi signal
The amount of data that can be transmitted in one second
Which of the following is an example of a network in daily life?
Reading a book
Using a debit or credit card at a store
Walking in a park
Cooking dinner
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
The Institute of Electrical and Electronics Engineers (IEEE) established what standards for wireless communications?
802.3
802.11
802.15
802.16
Which of the following hexadecimal digits represents the decimal number 15?
9
A
F
10
What does Unicode provide that ASCII does not?
Support for only English characters
Support for emojis
Support for numbers
Support for special characters
What is a "ping" test used for?
Measuring download speed
Measuring upload speed
Measuring latency
Measuring Wi-Fi signal strength
What is the smallest unit of measure for a computer?
Byte
Kilobyte
Bit
Megabyte
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
What is a network interface card (NIC)?
A type of network cable
A device that connects a computer to a network
A software program
A type of wireless signal
How many bytes are in a kilobyte (KB)?
512
1000
1024
2048
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
In computing, why is the hexadecimal system useful?
It uses fewer digits to represent binary numbers.
It is easier to understand than decimal.
It is the same as the binary system.
It is used to represent file permissions in Linux.
How does a hypervisor manage the CPU for virtual machines?
It creates new physical CPUs.
It divides the real CPU so multiple virtual machines can use it.
It replaces the CPU with a virtual one.
It does not interact with the CPU.
What is the unique code that switches use to send data to the right device?
IP address
MAC address
URL
SSID
What is the easiest way to add Wi-Fi to a desktop computer that doesn't have it built-in?
Install a new operating system
Use a USB wireless adapter
Replace the motherboard
Connect an Ethernet cable
What is the main difference between managed and unmanaged switches?
Managed switches can be configured, unmanaged switches cannot
Managed switches are used in homes, unmanaged switches are used in businesses
Managed switches are wireless, unmanaged switches are wired
Managed switches are cheaper than unmanaged switches
What is a Type I hypervisor?
A hypervisor that runs as a software application within a host operating system.
A hypervisor installed directly on the computer and interacts with its hardware.
A type of virtual machine.
A network protocol.
What is the term for unique numbers assigned to different types of network traffic?
IP Addresses
Network Ports
Domain Names
Protocols
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
How many sets of two hexadecimal numbers are in a MAC address?
4
5
6
8
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 frequency bands are available if you are using Wi-Fi 6E?
2.4 GHz and 5 GHz
2.4 GHz, 5 GHz, and 6 GHz
2.4 GHz, 5 GHz, 6 GHz, and 7 GHz
2.4 GHz, 5 GHz, 6 GHz, 7 GHz, and 8 GHz
How many bits does each hexadecimal digit represent in a network address?
2
4
8
16
Why is a firewall important for a network connected to the internet?
It helps devices within a local network communicate
It translates signals from the ISP
It filters out bad data and protects the network
It sends out Wi-Fi signals
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
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.
Why is it useful to learn how to make Ethernet cables yourself?
It is cheaper than buying pre-made cables
You can make cables of specific lengths
It is faster than buying pre-made cables
It is required for all IT jobs
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 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
Why is WEP considered insecure today?
It uses too much power
It is too expensive
It is easily hacked
It is too complicated to set up
How many bits are in an IPv6 address?
32
64
128
256
Which of the following is a characteristic of logical addresses?
They are hardcoded into the device
They can be changed by software
They are always 48 bits long
They are assigned by the device manufacturer
What is the base of the hexadecimal numbering system?
2
8
10
16
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
Which computer component is not needed to share information on a network?
Network media
Network interface
Network protocols
Network storage
What does an RJ-45 plug connect to?
A USB port
A power outlet
A network socket
A monitor
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
Which port number is used for secure web communication?
80
110
443
25
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
What is the risk of having a WiFi network without encryption?
It will be slower
It will be more expensive
Unwanted people can access the network
It will have better signal strength
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 counting system do humans most commonly use?
Binary
Decimal
Hexadecimal
Octal
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 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 an example of Software as a Service (SaaS)?
Amazon Web Services
Microsoft Azure
Gmail
SQL Server
What is the maximum number a single byte can hold?
100
255
1024
128
Which of the following is a characteristic of a physical address?
It can be changed by software
It is assigned by the device manufacturer
It is always 32 bits long
It is used to route data on the internet
How many potential values can a single bit store?
1
2
8
256
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 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 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 does a byte represent in computing?
A single value
A group of 4 bits
A group of 8 bits
A group of 16 bits
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 one advantage of using virtual machines for training?
It allows students to practice using a live operating system without impacting the production environment.
It reduces the cost of physical hardware.
It enables the computer to run faster.
It allows the computer to connect to more networks.
Which type of cable is most commonly used in wired networks?
Coaxial cable
Ethernet cable
Fiber optic cable
USB cable
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 cloud service model is best for businesses that want to save money and time by not handling physical servers themselves?
Software as a Service (SaaS)
Platform as a Service (PaaS)
Infrastructure as a Service (IaaS)
On-premises management
What is a virtual machine (VM)?
A physical computer that runs multiple operating systems.
A guest operating system installed on a host computer using virtualization software.
A software application that manages computer hardware.
A type of storage device.
What is a MAN?
A network that covers a whole country
A network that covers a city
A network that covers a neighborhood
A network that covers the whole world
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 cloud storage?
A method of storing data on your local computer
A service that allows you to store data on remote servers accessed via the Internet
A type of physical storage device like a USB drive
A software application for creating documents
How many wires are inside an Ethernet cable?
4
6
8
10
What format uses four sets of numbers with periods between them to represent an IP address?
Hexadecimal notation
Binary notation
Dotted decimal notation
Octal notation
What do you call a group of computer systems connected to share information?
A server
A network
A protocol
A database
