Wireless Security (WPA3, WEP, WPA2)

You are setting up a wireless network for a small office. Which encryption method should you use to ensure the highest level of security?

WEP

WPA2

WPA3

WPA

An employee reports difficulty connecting to the company Wi-Fi after the security protocol was upgraded. Which feature of WPA3 might be causing this issue?

Lack of backward compatibility with older devices

Increased password complexity requirements

Change in SSID name

Interference with other wireless networks

During a security audit, you find that the network is still using WEP encryption. What is the most significant risk associated with using WEP?

High latency

Easy to crack with modern tools

Incompatible with modern devices

Complex configuration

Which WPA2 feature provides protection against unauthorized network access by requiring a shared secret key?

TKIP

AES

PSK

RADIUS

A company decides to upgrade from WPA2 to WPA3. What key improvement in WPA3 helps defend against offline dictionary attacks?

SAE (Simultaneous Authentication of Equals)

TKIP (Temporal Key Integrity Protocol)

128-bit encryption

WPS (Wi-Fi Protected Setup)

Which method does WPA2 use to encrypt data on a wireless network?

DES

AES

3DES

MD5

A network administrator configures WPA3-Personal on a new Wi-Fi network. What will users need to connect to this network?

A certificate from a trusted CA

A username and password

A pre-shared key

A static IP address

What is the primary difference between WPA2-Personal and WPA2-Enterprise?

WPA2-Enterprise uses a RADIUS server for authentication

WPA2-Personal is only for home networks

WPA2-Enterprise uses a different encryption algorithm

WPA2-Personal requires a digital certificate

Which of the following attacks is WPA3 designed to mitigate more effectively than WPA2?

Man-in-the-Middle attacks

Replay attacks

Brute-force attacks

Evil twin attacks

What is a significant advantage of WPA3 over WPA2 in terms of encryption strength?

WPA3 uses longer passwords

WPA3 employs 192-bit encryption for sensitive data

WPA3 requires hardware tokens for access

WPA3 eliminates the need for a passphrase

An organization uses WPA2-Enterprise for its Wi-Fi network. Which of the following is necessary for client devices to connect?

Digital certificates

Pre-shared keys

Static IP addresses

VPN client software

Why is WEP considered insecure and deprecated for use in modern wireless networks?

It uses a fixed 128-bit encryption key

It relies on obsolete hardware

It can be easily cracked with readily available tools

It does not support multiple SSIDs

What security feature does WPA3 include to protect against eavesdropping, even if a weak password is used?

Pre-shared Key (PSK)

Perfect Forward Secrecy (PFS)

Data Encryption Standard (DES)

Temporal Key Integrity Protocol (TKIP)

When configuring a Wi-Fi network with WPA2, which encryption method is recommended for the highest level of security?

TKIP

WEP

RSA

AES

What is the main purpose of using WPA2-Enterprise in a corporate environment?

To allow guest access

To provide network segmentation

To enhance user authentication with RADIUS

To increase bandwidth

An attacker captures WPA2 handshake packets during a Wi-Fi audit. What type of attack can they potentially perform with this data?

Phishing attack

Dictionary attack

Social engineering attack

Denial of Service (DoS) attack

Which protocol does WPA2 use for encryption in wireless networks?

DES

RC4

AES

Blowfish

Why is WPA3 considered more secure than WPA2 in protecting public Wi-Fi networks?

It uses public key infrastructure

It requires multi-factor authentication

It employs Opportunistic Wireless Encryption (OWE)

It mandates the use of digital certificates

What improvement does WPA3 bring to the initial handshake process compared to WPA2?

It eliminates the need for a password

It uses SAE for a more secure handshake

It reduces the handshake to a single step

It requires a hardware token for authentication

A network administrator notices frequent deauthentication frames on their WPA2 network. What type of attack is likely being attempted?

Evil twin attack

Deauthentication attack

Brute force attack

MAC spoofing attack

Which of the following best describes the key management method used in WPA2-Personal?

Diffie-Hellman key exchange

Pre-shared key (PSK)

Kerberos tickets

Public key infrastructure (PKI)

What is the primary benefit of using WPA3-Enterprise over WPA3-Personal in a corporate environment?

Easier setup and configuration

Higher level of encryption

Enhanced user authentication and access control

Reduced hardware requirements

In WPA3, what is the role of the Dragonfly handshake?

To encrypt data

To generate session keys

To authenticate users

To provide perfect forward secrecy

What feature of WPA2 ensures that a new encryption key is created for each session?

Key caching

Temporal Key Integrity Protocol (TKIP)

Group Temporal Key (GTK)

Four-way handshake

Why should a business avoid using WEP for their wireless network?

It is no longer supported by most devices

It is limited to 64-bit encryption

It is easily cracked with modern tools

It causes network interference

Which component of WPA2-Enterprise provides the centralized authentication mechanism?

AES

TKIP

RADIUS server

PSK

What aspect of WPA3 improves the security of public Wi-Fi networks?

Use of longer passwords

SAE handshake

256-bit encryption

Opportunistic Wireless Encryption (OWE)

A company is migrating from WPA2 to WPA3. What type of devices might face compatibility issues?

Devices using AES encryption

Devices using TKIP encryption

Older devices not supporting SAE

Devices with WPS enabled

What is the maximum encryption key length supported by WPA2?

64 bits

128 bits

256 bits

512 bits

Which WPA2 mode is most suitable for a large enterprise with multiple access points?

WPA2-Personal

WPA2-Enterprise

WPA2-Guest

WPA2-Home

An IT administrator sets up a new WPA3 network. What feature ensures that even if the network key is compromised, previous communication remains secure?

PSK

SAE

Perfect Forward Secrecy (PFS)

TKIP

Which protocol in WPA2 is responsible for ensuring data integrity?

TKIP

AES-CCMP

RSA

DES

What is a significant drawback of using WPA2-Personal in a large organization?

Difficulty in managing PSK changes

Lack of encryption

Requires a dedicated RADIUS server

High cost of implementation

Which type of attack does WPA3’s SAE specifically protect against?

Man-in-the-Middle attacks

Replay attacks

Offline dictionary attacks

Phishing attacks

Why is WPA2 preferred over WEP for securing wireless networks?

WPA2 is easier to configure

WPA2 provides stronger encryption with AES

WPA2 is compatible with older devices

WPA2 uses shorter keys for faster processing

What is the purpose of the four-way handshake in WPA2?

To establish a VPN connection

To authenticate the client to the network

To ensure mutual authentication and key exchange

To create a secure tunneling protocol

Which WPA2 feature allows for continuous protection against key reuse attacks?

Pre-shared key (PSK)

Key rotation

Temporal Key Integrity Protocol (TKIP)

Advanced Encryption Standard (AES)

In a WPA3 network, what does the term “forward secrecy” refer to?

The ability to prevent old session keys from being compromised

The use of digital certificates for authentication

The process of encrypting data in transit

The method of generating a pre-shared key

What mechanism does WPA2 use to ensure that each data packet is sent with a unique encryption key?

WPA2 does not support this feature

Group Temporal Key (GTK)

Key Scheduling Algorithm (KSA)

Temporal Key Integrity Protocol (TKIP)

Which feature of WPA3 ensures that even if a password is weak, the authentication process remains secure?

AES encryption

Perfect Forward Secrecy (PFS)

Simultaneous Authentication of Equals (SAE)

Pre-shared key (PSK)

What security issue is addressed by the management frame protection (MFP) feature in WPA3?

Protection against unauthorized access points

Securing management frames from being spoofed or tampered with

Encrypting user data in transit

Preventing password brute-force attacks

In WPA2, what is the function of the Group Temporal Key (GTK)?

Encrypting unicast traffic

Encrypting multicast and broadcast traffic

Authenticating clients to the network

Providing a backup key for emergencies

Which WPA3 feature enhances the security of open networks like those found in cafes and airports?

SAE

OWE (Opportunistic Wireless Encryption)

PSK

TKIP

Why is it important to periodically change the pre-shared key (PSK) in WPA2-Personal networks?

To comply with regulatory requirements

To improve network performance

To minimize the risk of key compromise

To increase the range of the wireless network

What is the main advantage of using WPA3-Personal over WPA2-Personal?

Faster connection speeds

Simpler configuration process

Enhanced protection against password guessing attacks

Reduced power consumption

Which protocol is used by WPA3 to ensure a secure key exchange during the authentication process?

PSK

SAE

TLS

IPSec

A business is setting up a guest Wi-Fi network. Which WPA3 feature should they implement to protect users' data without requiring a password?

SAE

OWE (Opportunistic Wireless Encryption)

PSK

MFP (Management Frame Protection)

Why is it recommended to disable WEP and WPA in favor of WPA2 or WPA3?

They do not support AES encryption

They are less compatible with modern devices

They have known vulnerabilities that can be easily exploited

They require complex setup procedures

What is a major security concern when using public Wi-Fi networks without WPA3?

Limited bandwidth

Exposure to Man-in-the-Middle attacks

Incompatibility with certain devices

Increased power consumption

In a WPA2 network, what is the purpose of the “four-way handshake”?

To authenticate the user to the RADIUS server

To establish a VPN connection

To generate and exchange encryption keys between the client and the access point

To provide MAC address filtering

Wireless Security (WPA3, WEP, WPA2)

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