MCQs

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What does MAC spoofing generally refer to in network security?
a. Changing a device’s MAC address to mimic another
b. Encrypting MAC addresses on the network
c. Using MAC addresses for VPN access only
d. Setting up wireless access points
Answer: a. Changing a device’s MAC address to mimic anotherwebasha+2
Which layer of the OSI model does MAC spoofing primarily affect?
a. Data Link
b. Network
c. Application
d. Physical
Answer: a. Data Linktwingate+2
What is a typical goal of MAC spoofing?
a. Gaining unauthorized access to a network
b. Increasing download speeds
c. Compressing network traffic
d. Improving packet encryption
Answer: a. Gaining unauthorized access to a networksecurew2+2
MAC spoofing can allow an attacker to:
a. Bypass MAC-based filtering
b. Increase transmission power
c. Disable Ethernet ports remotely
d. Edit firmware on NIC cards
Answer: a. Bypass MAC-based filteringwebasha+2
Which common tool is used in Linux to change the MAC address?
a. macchanger
b. Wireshark
c. Nmap
d. SMAC
Answer: a. macchangertwingate+1
What is a potential consequence of MAC spoofing on a public Wi-Fi network?
a. Session hijacking
b. Device overheating
c. Firewall configuration
d. Power supply failure
Answer: a. Session hijackingwebasha+1
MAC spoofing can help an attacker:
a. Evade device tracking
b. Increase NIC speed
c. Corrupt MAC tables permanently
d. Reduce IP collisions
Answer: a. Evade device trackingmacaddresslookup+2
Which of the following is NOT a direct sign of MAC spoofing?
a. Duplicate MAC addresses in logs
b. MAC addresses never appearing in ARP tables
c. Unexpected devices on the network
d. ARP cache poisoning
Answer: b. MAC addresses never appearing in ARP tablesmacaddresslookup+2
MAC spoofing can lead to which type of attack?
a. Man-in-the-middle (MITM)
b. Rainbow table attack
c. HTTP compression attack
d. VLAN hopping
Answer: a. Man-in-the-middle (MITM)geeksforgeeks+2
MAC spoofing is generally performed at which level?
a. Software
b. Hardware
c. Cloud service
d. Application program interface
Answer: a. Softwaretwingate+1
In the Bangladesh Bank heist, MAC spoofing was used to:
a. Mimic a legitimate device and access payment systems
b. Encrypt all financial data in transit
c. Cause physical damage to routers
d. Disable all DHCP services
Answer: a. Mimic a legitimate device and access payment systemstwingate
A network administrator may detect MAC spoofing using which technique?
a. ARP monitoring
b. Increasing Wi-Fi range
c. Disabling DNS records
d. Port mirroring only
Answer: a. ARP monitoringijarcce+2
Which authentication method increases resistance against MAC spoofing?
a. 802.1X Port-Based Authentication
b. Static IP addressing
c. Simple password protection
d. Open authentication
Answer: a. 802.1X Port-Based Authenticationmacaddresslookup+1
Why may attackers spoof MAC addresses on captive portal Wi-Fi hotspots?
a. To bypass the portal restrictions
b. To install new firmware
c. To force all devices offline
d. To download larger updates
Answer: a. To bypass the portal restrictionswebasha+1
Which device information may be used beyond MAC addresses for advanced spoofing detection?
a. OS and hardware fingerprinting
b. Bluetooth device names
c. Device font tables
d. Monitor resolutions
Answer: a. OS and hardware fingerprintingmacaddresslookup+1
What can help prevent attackers from spoofing MAC addresses?
a. Implementing NAC (Network Access Control)
b. Using legacy authentication systems
c. Disabling all encryption
d. Regular firmware downgrades
Answer: a. Implementing NAC (Network Access Control)startupdefense+2
MAC spoofing is least likely to be detected by which of these?
a. Firewalls
b. NAC solutions
c. ARP inspection tools
d. 802.1X authentication logs
Answer: a. Firewallswebasha+1
What type of wireless attack is closely related to MAC spoofing?
a. ARP poisoning
b. DNS tunneling
c. DHCP starvation
d. SYN flooding
Answer: a. ARP poisoninggeeksforgeeks+1
Why would someone use MAC spoofing for privacy?
a. To avoid tracking on public Wi-Fi
b. To increase data rates
c. To backup device configurations
d. To generate IPv6 addresses
Answer: a. To avoid tracking on public Wi-Fisecurew2+2
Which of the following does MAC spoofing NOT directly impact?
a. Physical layer operations
b. Network access security
c. Device authentication
d. Network segmentation
Answer: a. Physical layer operationsstartupdefense+2
The tool ‘SMAC’ is commonly used for MAC spoofing on which platform?
a. Windows
b. Linux
c. BSD
d. Solaris
Answer: a. Windowstwingate+1
Which protocol can help defend against MAC spoofing attacks on switches?
a. DHCP snooping
b. PPP
c. BGP
d. Telnet
Answer: a. DHCP snoopingijarcce+1
Why is duplicate MAC address detection important in a network?
a. It may reveal a spoofing attempt
b. It increases download speed
c. It allows more devices to connect
d. It reduces log file sizes
Answer: a. It may reveal a spoofing attemptsecurew2+2
What is a spoofed MAC address?
a. A forged or manually assigned MAC address
b. A dynamically assigned IP address
c. The original hardware address
d. A VPN tunnel endpoint
Answer: a. A forged or manually assigned MAC addresswikipedia+2
What is the main reason MAC-based authentication is considered weak?
a. MAC addresses can be easily spoofed
b. MAC addresses are encrypted in transit
c. MACs require physical authentication tokens
d. MAC addresses do not affect routing
Answer: a. MAC addresses can be easily spoofedsecurew2+2
Why are wireless networks particularly vulnerable to MAC spoofing?
a. MAC addresses can be easily observed in data frames
b. MAC addresses are always hidden by default
c. Routers encrypt MAC addresses
d. Device drivers replace MACs on every connection
Answer: a. MAC addresses can be easily observed in data framesgeeksforgeeks+2
What is a common motivation for attackers to use MAC spoofing on enterprise networks?
a. To impersonate trusted endpoints for access
b. To install antivirus software
c. To debug wireless drivers
d. To enable IPv4 tunneling
Answer: a. To impersonate trusted endpoints for accesssecurew2+2
Device fingerprinting for MAC spoofing defense may include analyzing:
a. Traffic patterns, hardware, OS, application use
b. Wallpaper image hashes
c. Clipboard contents
d. CPU temperatures
Answer: a. Traffic patterns, hardware, OS, application usemacaddresslookup+2
A key difference between MAC spoofing and IP spoofing is:
a. MAC spoofing operates on Layer 2, IP on Layer 3
b. MAC spoofing is always legal, IP spoofing is not
c. IP spoofing always requires DHCP
d. MAC spoofing only happens on servers
Answer: a. MAC spoofing operates on Layer 2, IP on Layer 3startupdefense+2
What is one limitation of using MAC spoofing for an attack?
a. The attacker must know a valid MAC address on the target network
b. The attack must be performed physically on the switch
c. The attacker must have access to DHCP server code
d. The attacker cannot access wireless networks
Answer: a. The attacker must know a valid MAC address on the target networkwebasha+2
Which open-source tool can be used for discovering MAC addresses in a network?
a. airodump-ng
b. Acrobat Reader
c. Google Drive
d. vSphere Client
Answer: a. airodump-ngwebasha
MAC spoofing on a wired LAN can let an attacker:
a. Gain access to VLANs with MAC filtering
b. Increase fiber optic bandwidth
c. Bypass BIOS passwords
d. Downgrade switch firmware
Answer: a. Gain access to VLANs with MAC filteringsecurew2+1
ARP cache poisoning involves:
a. Sending malicious packets with spoofed MACs
b. Encrypting switch configuration files
c. Physically swapping switch ports
d. Disabling all UDP traffic
Answer: a. Sending malicious packets with spoofed MACsgeeksforgeeks+2
Detection of MAC spoofing on enterprise networks is MOST effective using:
a. Network Access Control (NAC)
b. Disabling HTTP ports
c. Removing all firewalls
d. Deploying shared printers randomly
Answer: a. Network Access Control (NAC)macaddresslookup+1
What could a sudden port switch in logs for the same MAC imply?
a. MAC spoofing in progress
b. Proper network configuration
c. Firmware upgrade
d. Rogue DHCP server installation
Answer: a. MAC spoofing in progressmacaddresslookup
MAC spoofing cannot be prevented using:
a. Antivirus software
b. 802.1X authentication
c. ARP inspection
d. Device fingerprinting
Answer: a. Antivirus softwarewebasha+1
Why don’t strong firewalls alone stop MAC spoofing?
a. Firewalls check IP-level data, not hardware addresses
b. Firewalls always block all Layer 2 activity
c. Firewalls encrypt all frames
d. Firewalls do not log MAC addresses
Answer: a. Firewalls check IP-level data, not hardware addressesstartupdefense+2
Sequence number analysis is used to detect:
a. MAC spoofing in wireless frames
b. DNS tunneling
c. SMTP replay attacks
d. Configuration backups
Answer: a. MAC spoofing in wireless framesijarcce
What is one way to reduce the impact of MAC spoofing on a network?
a. Disable unused switch ports and use VLAN segmentation
b. Force all devices to use static IPs
c. Broadcast MAC addresses in plaintext
d. Increase Wi-Fi broadcast power
Answer: a. Disable unused switch ports and use VLAN segmentationmacaddresslookup+1
Which logs may contain evidence of MAC spoofing?
a. 802.1X authentication logs
b. System BIOS logs
c. DHCPv6 logs only
d. HTTP access logs exclusively
Answer: a. 802.1X authentication logswebasha
When can MAC spoofing be used for benign purposes?
a. Allowing privacy seekers to avoid tracking on open Wi-Fi
b. To hack network encryption keys
c. To perform firmware updates
d. To change OS partitions
Answer: a. Allowing privacy seekers to avoid tracking on open Wi-Fitwingate+2
Which type of network attack often involves MAC spoofing as a prerequisite?
a. Man-in-the-middle attacks
b. SQL injection attacks
c. Link aggregation attacks
d. Session management attacks
Answer: a. Man-in-the-middle attacksgeeksforgeeks+2
MAC spoofing can facilitate which kind of network fraud?
a. Impersonation
b. Failover testing
c. Patching
d. Firmware rollback
Answer: a. Impersonationtwingate+2
What kind of network may become overwhelmed due to repeated MAC spoofing?
a. One with limited security logging capacity
b. Only high-security fiber networks
c. VPN-only networks
d. Printer subnetworks
Answer: a. One with limited security logging capacitywebasha
Which protocol helps uniquely associate IP addresses to MAC addresses, thereby aiding in detection?
a. DHCP
b. SMTP
c. SNMP
d. HTTPS
Answer: a. DHCPijarcce+1
Which is a limitation of MAC address filtering as a security control?
a. MAC addresses can be spoofed by attackers
b. All traffic is encrypted
c. Every switch supports it natively
d. MAC filtering removes ARP need
Answer: a. MAC addresses can be spoofed by attackerssecurew2+2
Manually setting a system’s MAC address is called:
a. MAC spoofing
b. IP subnetting
c. Reverse proxying
d. VLAN trunking
Answer: a. MAC spoofingcbtnuggets+2
To which threat are Wi-Fi networks most exposed due to MAC spoofing?
a. Unauthorized network access
b. Remote desktop hijacking exclusively
c. UTP shutdowns
d. HTTP tunneling
Answer: a. Unauthorized network accesssecurew2+2
MAC spoofing aids attackers by:
a. Allowing them to appear as trusted devices
b. Forcing password changes
c. Updating SSL certificates
d. Enabling IPv6 dual-stack
Answer: a. Allowing them to appear as trusted devicestwingate+2
A strong zero-trust security posture helps prevent MAC spoofing by:
a. Not relying solely on MAC-based authentication for access
b. Encrypting only MAC addresses
c. Allowing anonymous LAN logins
d. Bypassing all NAC checks
Answer: a. Not relying solely on MAC-based authentication for accessstartupdefense+2

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