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WorksheetsIT23L Review 1-3
Total questions: 80
Worksheet time: 40mins
Which of the following best describes Confidentiality in the CIA Triad?
Ensuring that authorized users have access to the data they need
Ensuring that sensitive information is protected from unauthorized access
Ensuring that data has not been altered or tampered with
Ensuring that systems are always available for use
A government organization needs to ensure that classified documents cannot be accessed
by unauthorized individuals. Which action will help protect Confidentiality?
Implementing access control policies based on clearance levels
Ensuring all files are backed up daily
Performing regular file integrity checks
Installing antivirus software on all machines
Your organization experiences a power outage, and critical systems become unavailable.
What action should you take to maintain Availability in the future?
Use uninterruptible power supplies (UPS) and backup generators
Use a virtual private network (VPN) for remote access
Encrypt all data
Implement access controls to restrict who can use the system
An example of maintaining Confidentiality would be:
Implementing redundant systems to prevent data loss
Using a hash function to ensure data integrity
Regularly updating software to prevent system downtime
Using encryption to protect sensitive data during transmission
An example of ensuring Integrity is:
Implementing hashing to verify data authenticity and accuracy
Using backups to prevent data loss
Using access control mechanisms to restrict unauthorized data access
Implementing multi-factor authentication for access control
A healthcare provider uses an electronic health record (EHR) system. To protect
Confidentiality, which of the following actions should be taken?
Ensure the system is always online
Keep a daily backup of all patient data
Implement checksums on all health records
Encrypt patient records and restrict access based on roles
A company's e-commerce website experiences an unexpected Denial of Service (DoS)
attack, making the site inaccessible to users. Which part of the CIA Triad is impacted?
Confidentiality
Integrity
Authentication
Availability
What does the "A" in the CIA Triad stand for?
Access
Authorization
Authentication
Availability
Which of the following best describes Availability in the CIA Triad?
Ensuring that data can be accessed and used by authorized users whenever needed
Preventing unauthorized access to data
Ensuring that only authorized users can view the data
Ensuring that data is accurate and consistent
Which of the following is NOT part of the CIA Triad?
Integrity
Availability
Confidentiality
Accountability
Ensuring that only authorized individuals can access sensitive information is a concern of :
All of these
Integrity
Confidentiality
Availability
You notice that an internal database containing financial records is accessible to every
employee, regardless of their role. Which part of the CIA Triad is at risk?
Authentication
Integrity
Availability
Confidentiality
Your company stores sensitive customer data in a cloud database. What would be the best
approach to ensure the Confidentiality of this data?
Disabling antivirus software to improve performance
Regularly backing up the data
Encrypting the data both at rest and in transit
Allowing all employees access to the database
An attacker intercepts unencrypted emails sent between the HR department and
employees. Which aspect of the CIA Triad has been violated?
Availability
None of these
Confidentiality
Integrity
A company notices that several of its employees have accidentally overwritten important
files. To prevent this from happening again, which Integrity measure should be
implemented?
Using access control lists to restrict write permissions
Encrypting the files to prevent unauthorized access
Performing daily backups of all files
Installing firewalls to prevent external access
A financial institution wants to guarantee that customers can access their banking
services 24/7. Which action should the institution take to protect Availability?
Restrict customer access to non-business hours
Implement redundant servers and failover mechanisms
Conduct regular data integrity audits
Encrypt customer data during transactions
Which of the following controls helps in protecting Availability?
Firewalls
Digital signatures
Multi-factor authentication
Redundant systems and failover mechanisms
To ensure Integrity, what security measure should be implemented?
Backing up data regularly
Data encryption during transmission
Role-based access control
Regular audits and checksums
A Denial of Service (DoS) attack threatens which component of the CIA Triad?
Integrity
Availability
Confidentiality
Authorization
An attacker successfully modifies the content of a company's website without being
detected. Which aspect of the CIA Triad has been compromised?
Integrity
Confidentiality
Availability
Which of the following would be a violation of Confidentiality?
Data being lost because of insufficient backups
Data corruption due to a virus
System downtime due to hardware failure
Data being viewed by unauthorized personnel
What is a common method to ensure Availability of systems?
Data masking
Access control
Data backups and disaster recovery plans
Encryption
A customer-facing application is consistently crashing, preventing users from completing
purchases. What part of the CIA Triad should be addressed?
Confidentiality
Availability
Integrity
Authentication
Your organization needs to ensure that financial transaction data cannot be altered or
tampered with once recorded. Which action is most appropriate to protect Integrity?
Using digital signatures and checksums
Regularly backing up transaction data
Implementing encryption for stored data
Implementing multi-factor authentication
A company’s customer database is breached, and the attackers steal sensitive information such as social security numbers and credit card details. Which part of the CIA Triad has been violated?
Confidentiality
All of these
Availability
Integrity
A company wants to ensure that if a file on a shared drive is accidentally deleted, a
backup is always available to restore it. This action protects which aspect of the CIA
Triad?
Integrity
Availability
Authentication
Confidentiality
After a recent cyberattack, several users in your organization report unauthorized
changes to important documents. What aspect of the CIA Triad has been compromised?
Confidentiality
Availability
Integrity
Authentication
What does the "C" in CIA Triad stand for?
Cybersecurity
Consistency
Cryptography
Confidentiality
Integrity in the CIA Triad refers to:
Keeping data confidential and protected
Protecting against unauthorized access to data
Ensuring data is available when needed
Ensuring data is accurate and has not been altered without authorization
Which of the following threats primarily affects the Integrity of data?
Blocking access to a website
Altering records in a database
Eavesdropping on communication
Performing a brute-force attack to crack passwords
What protects the credit card information of individuals?
FERPA
HIPAA
PCI DSS
GDPR
Which security mechanism ensures that data cannot be modified or altered
during transmission?
Two-factor authentication
Hashing
Access control
Encryption
What protects information about individuals that is stored by federal
agencies?
Privacy Act of 1974
HIPAA
FERPA
PCI DSS
What protects the educational records of individuals?
GDPR
HIPAA
FERPA
PCI DSS
You are working with the senior admin team to identify potential risks. Which
phase of risk management are you in?
Risk Assessment
Risk Mitigation
Risk Identification
Risk Monitoring
What protects the personal information of members of the European Union?
HIPAA
FERPA
PCI DSS
GDPR
Which command displays both configured DNS server information and the IP address
resolution for a URL?
Nslookup
Ping
Nmap
Traceroute
Conducting a risk evaluation at your company, you identify risks related to the web
server, including hardware and software failures, and web service interruptions
caused by cyber-attacks. You recommend purchasing insurance and hiring another
organization to maintain the web server and mitigate risks. Which risk mitigation
strategy is this an example of?
Risk Acceptance
Risk Transfer
Risk Avoidance
Risk Reduction
Which three authentication factors is valid for use in a multi-factor authentication
scenario?
Something you are
Something you see
Something you have
Something you know
Something you earn
What protects the health care information of individuals?
GDPR
HIPAA
FERPA
PCI DSS
Which of the following color-coded wiring standards is commonly used for
straight-through cables?
T568B on one end and T568A on the other
T568A on both ends
T568A on one end and no standard on the other
T568B on both ends
You need to configure a web server with a permanent IP address that will not
change over time, even after restarting the server. Which type of IP address
should you assign?
Temporary IP address
Private IP address
Static IP address
Dynamic IP address
In which topology do all devices share a single communication line or cable?
Star topology
Mesh topology
Ring topology
Bus topology
An organization has a network where data travels in one direction around a
loop, but if any device in the loop fails, the entire network becomes
inoperable. Which topology are they using?
Star topology
Ring topology
Mesh topology
Bus topology
A hospital needs a network that connects various departments through a
central point, but it should allow easy addition or removal of devices without
affecting the entire network. Which topology is most suitable for their needs?
Star topology
Mesh topology
Ring topology
Bus topology
Which of the following is a characteristic of a star topology?
All devices are connected to a central hub or switch.
Each device is connected to two other devices, forming a ring.
Devices are connected in a closed loop.
Devices are connected in a linear fashion.
Which protocol is responsible for dynamically assigning IP addresses in a
network?
DNS
FTP
DHCP
HTTP
What does the ping command do?
Opens a port for a network service.
Checks for packet loss in the network.
Changes the IP address of a device.
Checks the network connectivity between your device and another device.
In which situation would a static IP address be preferable over a dynamic IP
address?
For a home computer that connects to the internet periodically.
For a device that frequently moves between different networks.
For a device that needs to be easily located on a network, such as a web
server.
For public Wi-Fi access points.
What is a key disadvantage of a bus topology?
It is expensive to set up.
Devices must be manually configured to communicate.
If the central hub fails, the entire network goes down.
If the main cable fails, the whole network is disrupted
Which of the following is a key characteristic of a static IP address?
It is assigned by a DHCP server automatically.
It remains the same each time a device connects to the network.
It changes every time a device connects to the network.
It is used only in wireless networks.
A business has a network where all computers are connected to a central
switch. If one computer fails, the rest of the network is unaffected, but if the
central switch fails, the entire network goes down. Which topology are they
using?
Star topology
Mesh topology
Ring topology
Bus topology
You are helping set up a peer-to-peer connection between two laptops using
an Ethernet cable. What type of cable would you most likely use?
Straight-through cable
USB cable
Coaxial cable
Crossover cable
In a ring topology, if one device fails, what happens to the network?
The entire network is disrupted.
The network continues to function normally.
Traffic is automatically rerouted around the failed device.
Only the failed device is affected.
Which network topology connects each device to every other device in the
network?
Bus topology
Star topology
Ring topology
Mesh topology
Your computer is connected to a network, but you are not sure what its
current IP address is. You want to display your IP address, subnet mask, and
default gateway. Which command will show this information?
ping /ipconfig
ipconfig /release
netstat
ipconfig
What is the main disadvantage of using a static IP address in a large
organization?
It is slower than dynamic IP addressing.
It changes frequently and causes conflicts.
It requires manual configuration for each device.
It cannot be used for servers
Which type of cable is used to connect a computer to a switch or hub?
Coaxial cable
Crossover cable
Straight-through cable
Fiber optic cable
Your router's IP address is 192.168.0.1, and you want to verify that your
computer can communicate with it. Which command will help you check the
connectivity?
netstat 192.168.0.1
ipconfig /ping 192.168.0.1
ipconfig /check 192.168.0.1
ping 192.168.0.1
What happens if a device is set to obtain an IP address automatically?
The device sends a request to the DHCP server to obtain an IP address
dynamically.
The device assigns itself an IP address from a predefined pool.
The device can only communicate within the local network.
The device uses a static IP address.
What is the key difference in the wiring of a straight-through and a crossover
cable?
The pinouts are identical for both cables.
Straight-through cables use a different color code standard than crossover cables.
A crossover cable swaps the transmit and receive wire pairs at one end.
Crossover cables use different connector types at each end.
Your computer is experiencing network issues. You decide to use the ping
command to check if it can reach the network gateway with IP address
192.168.1.1. What should you type?
ping -r 192.168.1.1
ipconfig 192.168.1.1
ping 192.168.1.1
ping -gateway 192.168.1.1
A company has a small office with 10 computers. They want to implement a
network that is easy to install and cost-effective, but they are concerned about
the network failing if the main cable breaks. Which topology should they
avoid?
Star topology
Bus topology
Mesh topology
Ring topology
You are setting up a home network and need to connect your computer
directly to your router. Which cable type should you use?
Crossover cable
Straight-through cable
Coaxial cable
Fiber optic cable
You need to connect two network switches without using an uplink port or
any additional hardware. What type of cable should you use?
Straight-through cable
Fiber optic cable
Serial cable
Crossover cable
A device on your network keeps receiving a different IP address every time it
reconnects. What type of IP addressing is being used?
Manual IP addressing
Dynamic IP addressing
Static IP addressing
Public IP addressing
A network administrator wants to configure a web server so that it always has
the same IP address, making it easier to access from other devices. Which type
of IP addressing should the administrator use?
Public IP address
Static IP address
Temporary IP address
Dynamic IP address
Which topology is often used in wireless networks and connects devices to a
central point?
Ring topology
Star topology
Bus topology
Mesh topology
When would you use a crossover cable instead of a straight-through cable?
To connect two similar devices, like two PCs or two switches.
To connect a PC to a switch.
To connect a PC to a printer.
To connect two different types of devices, like a PC and a router.
Which topology is most suitable for a small office with few devices and limited
budget?
Mesh topology
Ring topology
Bus topology
Star topology
What type of cable would be used to connect a router to a switch?
Serial cable
Crossover cable
Coaxial cable
Straight-through cable
In which network topology is data sent in one direction around a circular
loop?
Ring topology
Mesh topology
Star topology
Bus topology
You are troubleshooting network issues for a client. They cannot access a
website, so you decide to check if their computer can reach the default
gateway (router) with the IP address 192.168.1.1. Which command will you
use?
netstat 192.168.1.1
ipconfig /renew 192.168.1.1
ping 192.168.1.1
ipconfig 192.168.1.1
A software company wants to create a small development network with minimal
cost. They need a topology where all devices are connected in sequence along a
single cable. Which topology should they choose?
Ring topology
Bus topology
Mesh topology
Star topology
You are configuring several printers in an office, and you want each printer to
have a permanent IP address to make it easier to connect to them from
various computers. What type of IP addressing should you use?
Public IP address
Automatic IP address
Dynamic IP address
Static IP address
Which of the following statements is true regarding straight-through cables?
They are used exclusively for fiber optic connections.
They use the same wiring configuration on both ends.
They are used to connect similar devices, such as a computer to a computer.
They swap the transmit and receive pairs at one end.
A university has multiple buildings, each with its own local area network
(LAN). They want to connect all the LANs in a way that ensures the highest
redundancy and fault tolerance, even if one of the connections fails. Which
topology should they use?
Ring topology
Star topology
Mesh topology
Bus topology
A user is connected to a network that uses DHCP to assign IP addresses. Every
time they disconnect and reconnect, they receive a new IP address. What type
of IP address is being used in this scenario?
Manual IP address
Dynamic IP address
Static IP address
Reserved IP address
What does the ipconfig command do on a Windows computer?
Configures firewall settings.
Displays the IP address configuration of the network interface.
Checks the speed of the network connection.
Assigns a new IP address to the network.
Which of the following devices would typically require a crossover cable for a
direct connection?
Computer to switch
Switch to switch
Computer to printer
Router to modem
