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MAC filtering primarily functions as a method for controlling network access using device MAC addresses.
a. By bandwidth shaping
b. By time-based access
c. By IP addressing
d. By device’s hardware address
Answer: d. By device’s hardware addressgeeksforgeeks+1
The main purpose of MAC filtering is to prevent:
a. Network duplication
b. Unauthorized devices from connecting
c. High network latency
d. Data encryption errors
Answer: b. Unauthorized devices from connectingminiorange+1
Each device is identified on a network uniquely using its:
a. IP address
b. Username
c. MAC address
d. Gateway address
Answer: c. MAC addressscaler+1
MAC filtering operates at which OSI layer?
a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
Answer: b. Layer 2wikipedia+1
MAC stands for:
a. Media Access Control
b. Multiple Access Control
c. Machine Access Code
d. Managed Authentication Code
Answer: a. Media Access Controlgeeksforgeeks+1
A MAC address typically has how many bits?
a. 32 bits
b. 48 bits
c. 64 bits
d. 128 bits
Answer: b. 48 bitsscaler+1
In MAC filtering, the list that allows access is called the:
a. Denylist
b. Whitelist
c. Proxy list
d. Routing list
Answer: b. Whitelistminiorange+1
The list preventing access based on MAC addresses is called:
a. Denylist
b. Blocklist
c. Blacklist
d. Filterlist
Answer: c. Blacklistminiorange+1
MAC filtering is commonly implemented in which type of device?
a. Routers
b. Firewalls
c. Modems
d. Switches
Answer: a. Routersportnox+1
When a device’s MAC address appears on both the allow and deny list, access is:
a. Granted
b. Logged
c. Denied
d. Prioritized
Answer: c. Deniedgeeksforgeeks+1
MAC filtering is mostly used in which type of network?
a. Wireless
b. Dial-up
c. Fiber optic
d. Satellite
Answer: a. Wirelessitexamanswers+1
A common limitation of MAC filtering is:
a. High encryption complexity
b. MAC address spoofing
c. Excessive bandwidth use
d. Hardware failure
Answer: b. MAC address spoofingcbtnuggets+1
The MAC address is usually assigned by the:
a. Network administrator
b. ISP
c. Device manufacturer
d. User
Answer: c. Device manufacturerwikipedia+1
MAC filtering enhances which aspect of a network?
a. Speed
b. Security
c. Storage
d. Latency
Answer: b. Securityyeahhub+1
MAC filtering is a type of:
a. Access control mechanism
b. Encryption protocol
c. Authentication service
d. Firewall rule
Answer: a. Access control mechanismgeeksforgeeks+1
MAC filtering should be combined with which of the following for better protection?
a. WPA2/WPA3 encryption
b. Static routing
c. NAT translation
d. DNS forwarding
Answer: a. WPA2/WPA3 encryptioncbtnuggets+1
Which device function checks the connecting device’s MAC against a stored list?
a. Router configuration
b. DHCP console
c. DNS server
d. Firewall
Answer: b. DHCP consolescaler+1
The process of faking a valid MAC address to gain access is known as:
a. Sniffing
b. Spoofing
c. Flooding
d. Poisoning
Answer: b. Spoofingcbtnuggets+1
Which command typically reveals a MAC address in command-line tools?
a. ping
b. ipconfig /all
c. tracert
d. netstat -n
Answer: b. ipconfig /allwikipedia+1
A MAC filter list can be configured using a router’s:
a. Web interface
b. Operating system kernel
c. BIOS menu
d. Power settings
Answer: a. Web interfaceportnox+1
MAC filtering is mainly configured to control:
a. Hardware layer access
b. Software applications
c. User authentication
d. Cloud permissions
Answer: a. Hardware layer accesswikipedia+1
What type of list allows only devices that are explicitly approved?
a. Whitelist
b. Graylist
c. Denylist
d. Proxylist
Answer: a. Whitelistminiorange+1
What is a major limitation of MAC filtering in large networks?
a. Manual management complexity
b. Protocol congestion
c. IP reallocation
d. Encryption loss
Answer: a. Manual management complexityscaler+1
In MAC filtering, network access control is determined by the:
a. Device’s physical address
b. User login password
c. DNS entry
d. IP lease time
Answer: a. Device’s physical addressgeeksforgeeks+1
MAC filtering is less secure if an attacker uses:
a. ARP tables
b. Spoofed MACs
c. DHCP reservation
d. Static IPs
Answer: b. Spoofed MACscbtnuggets+1
MAC address filtering works closely with which network service?
a. DHCP
b. SMTP
c. NTP
d. HTTP
Answer: a. DHCPscaler+1
Filtering by MAC address is a form of:
a. Physical access control
b. Logical access control
c. Software filtering
d. Timed authentication
Answer: b. Logical access controlgeeksforgeeks+1
A network that uses MAC filtering denies access to a device if:
a. The MAC is not on the list
b. The device is inactive
c. The hub is overloaded
d. The IP is dynamic
Answer: a. The MAC is not on the listportnox+1
In MAC filtering, authorized devices form part of a:
a. Safe network zone
b. MAC registry
c. Trusted list
d. VLAN mapping
Answer: c. Trusted listminiorange+1
The MAC address filtering mechanism is configured within:
a. Wireless router setup
b. ISP service portal
c. VPN client
d. Browser cache
Answer: a. Wireless router setupscaler+1
MAC filtering ensures additional security by:
a. Verifying the hardware identity
b. Encrypting data packets
c. Hiding SSID names
d. Using token authentication
Answer: a. Verifying the hardware identityminiorange+1
The number of hexadecimal pairs in a MAC address is:
a. 4
b. 6
c. 8
d. 10
Answer: b. 6wikipedia+1
MAC filtering typically enhances Wi-Fi:
a. Access control
b. Frequency allocation
c. Channel bonding
d. Data encapsulation
Answer: a. Access controlgeeksforgeeks+1
Which of the following is an advantage of MAC filtering?
a. Ease of unauthorized access
b. Limits unauthorized devices
c. Increases packet collisions
d. Reduces bandwidth
Answer: b. Limits unauthorized devicescbtnuggets+1
Maintaining a MAC filter list requires:
a. Manual updating
b. Automatic reallocation
c. Proxy synchronization
d. Dynamic addressing
Answer: a. Manual updatingcbtnuggets+1
A router using MAC filtering denies service to devices on the:
a. Denied list
b. Access list
c. Proxy list
d. Error log
Answer: a. Denied listscaler+1
A whitelist in MAC filtering includes only:
a. Approved devices
b. Banned devices
c. Dynamic IPs
d. Access rules
Answer: a. Approved devicesminiorange+1
MAC addresses are written in which format?
a. Binary
b. Hexadecimal
c. Decimal
d. Octal
Answer: b. Hexadecimalwikipedia+1
An example of a valid MAC address is:
a. 192.168.0.1
b. 00:25:96:FF:FE:12:34:56
c. 255.255.255.0
d. fe80::20c:29ff
Answer: b. 00:25:96:FF:FE:12:34:56wikipedia+1
MAC filtering can be bypassed through:
a. MAC spoofing tools
b. Encryption cracking
c. Routing loops
d. Port mirroring
Answer: a. MAC spoofing toolscbtnuggets+1
Which protocol is unrelated to MAC filtering?
a. IP
b. ARP
c. TCP
d. DHCP
Answer: c. TCPgeeksforgeeks+1
To enable MAC filtering, a network admin must:
a. Enter MAC addresses manually in the router
b. Modify DNS settings
c. Update software drivers
d. Change subnet masks
Answer: a. Enter MAC addresses manually in the routerportnox+1
MAC filtering adds security by restricting:
a. Hardware access
b. Application access
c. Email delivery
d. DNS responses
Answer: a. Hardware accessminiorange+1
What is one major drawback of using only MAC filtering?
a. Weak passwords
b. Easy spoofing
c. Signal interference
d. IP exhaustion
Answer: b. Easy spoofingscaler+1
MAC filtering is an example of:
a. Static network access control
b. Dynamic routing
c. Adaptive encryption
d. Stateful inspection
Answer: a. Static network access controlwikipedia+1
In enterprise networks, MAC filtering is used with:
a. VLAN segmentation
b. Email services
c. File sharing protocols
d. Cloud hypervisors
Answer: a. VLAN segmentationportnox+1
Users can find MAC filtering controls under which router menu?
a. Wireless security settings
b. Device storage
c. Network diagnostics
d. Display settings
Answer: a. Wireless security settingsgeeksforgeeks+1
The most significant advantage of MAC filtering is:
a. Preventing casual unauthorized access
b. Improving data throughput
c. Reducing channel width
d. Supporting IPv6
Answer: a. Preventing casual unauthorized accessminiorange+1
A MAC address remains:
a. Constant for device’s lifetime
b. Randomly assigned each boot
c. Dependent on DHCP
d. Affected by IP changes
Answer: a. Constant for device’s lifetimescaler+1
MAC filtering should not be relied upon solely because:
a. It can be evaded easily
b. It causes data corruption
c. It disables encryption
d. It blocks all devices
Answer: a. It can be evaded easilycbtnuggets+1

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