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  1. What is broadcast communication in computer networking?
    a. Sending data to one specific device
    b. Sending data to selected devices only
    c. Sending data to all devices in a network
    d. Sending data to a remote network only
    Answer: c. Sending data to all devices in a networkwikipedia+1
  2. Which address is used as the destination for a limited broadcast in IPv4?
    a. 0.0.0.0
    b. 127.0.0.1
    c. 255.255.255.255
    d. 192.168.1.1
    Answer: c. 255.255.255.255geeksforgeeks+1
  3. Which one of the following networks supports broadcasting by default?
    a. Point-to-point network
    b. Bus network
    c. Ring network
    d. Star network
    Answer: b. Bus networkfirewall+1
  4. What is the main difference between broadcast and multicast communication?
    a. Broadcast goes to all nodes; multicast to a group of nodes
    b. Broadcast uses less bandwidth than multicast
    c. Multicast reaches every network device
    d. Broadcast is more secure
    Answer: a. Broadcast goes to all nodes; multicast to a group of nodeswikipedia+1
  5. What MAC address is used for Ethernet broadcast at the data link layer?
    a. FF:FF:FF:FF:FF:FF
    b. 00:00:00:00:00:00
    c. 11:11:11:11:11:11
    d. AA:AA:AA:AA:AA:AA
    Answer: a. FF:FF:FF:FF:FF:FFfirewall
  6. Which protocol uses broadcasting to discover hardware addresses from IP addresses?
    a. TCP
    b. DHCP
    c. ARP
    d. FTP
    Answer: c. ARPgeeksforgeeks+1
  7. What is a broadcast domain?
    a. The range of devices receiving multicast packets
    b. The set of devices receiving all broadcast frames
    c. The area covered by a router
    d. The area covered by wireless access points only
    Answer: b. The set of devices receiving all broadcast frameswikipedia+1
  8. In which network topology does a broadcast sent by one node reach all other nodes directly?
    a. Mesh
    b. Bus
    c. Ring
    d. Tree
    Answer: b. Busfirewall+1
  9. Which is NOT a type of broadcast in IPv4 networking?
    a. Limited broadcast
    b. Directed broadcast
    c. Global broadcast
    d. Subnet broadcast
    Answer: c. Global broadcastcybersecuritynews+2
  10. Which of the following is an example use case for network broadcast?
    a. Secure FTP session
    b. ARP requests
    c. Sending data to a VPN
    d. SSH login
    Answer: b. ARP requestsgeeksforgeeks+1
  11. What is the directed broadcast address for the subnet 192.168.10.0/24?
    a. 192.168.10.1
    b. 255.255.255.255
    c. 192.168.10.255
    d. 192.168.255.255
    Answer: c. 192.168.10.255cybersecuritynews+1
  12. Which of the following network devices does NOT forward broadcast frames by default?
    a. Switch
    b. Hub
    c. Router
    d. Bridge
    Answer: c. Routerwatelectronics+1
  13. Which function uses broadcast communication for initial discovery?
    a. DNS resolution
    b. ARP mapping
    c. Direct direct TCP handshake
    d. SSH connection
    Answer: b. ARP mappingfirewall+1
  14. Which layer of the OSI model most closely associates with broadcast address recognition?
    a. Application
    b. Data Link
    c. Presentation
    d. Session
    Answer: b. Data Linkgeeksforgeeks+1
  15. In which layer does the IPv4 broadcast address operate?
    a. Layer 1 (Physical)
    b. Layer 2 (Data Link)
    c. Layer 3 (Network)
    d. Layer 4 (Transport)
    Answer: c. Layer 3 (Network)firewall+1
  16. What is the primary disadvantage of broadcast in a large network?
    a. Enhanced network speed
    b. Wasted bandwidth due to unnecessary traffic
    c. More secure communication
    d. Reduces collision domains
    Answer: b. Wasted bandwidth due to unnecessary trafficsanfoundry+1
  17. Which IPv4 address is considered a limited broadcast address?
    a. 172.16.0.255
    b. 255.255.255.255
    c. 192.168.15.0
    d. 10.1.1.255
    Answer: b. 255.255.255.255cybersecuritynews+1
  18. In broadcast communication, all devices see the message, but only the device with the matching ______ processes it.
    a. IP address
    b. MAC address
    c. Port number
    d. Subnet mask
    Answer: b. MAC addressfirewall
  19. Which of the following is an example of a broadcast protocol?
    a. SMTP
    b. RIP
    c. SSH
    d. HTTP
    Answer: b. RIPgeeksforgeeks+1
  20. Which broadcast method is not routable across subnets?
    a. Limited broadcast
    b. Directed broadcast
    c. Subnet broadcast
    d. Multicast broadcast
    Answer: a. Limited broadcastcybersecuritynews+1
  21. Which protocol utilizes broadcast messages for IP address assignment?
    a. ARP
    b. DHCP
    c. SNMP
    d. POP3
    Answer: b. DHCPfirewall
  22. What does the broadcast MAC address contain?
    a. All zeros
    b. All ones
    c. Host-specific values
    d. Segment-specific values
    Answer: b. All onesfirewall
  23. In IPv4, which bit pattern represents a broadcast at data link layer?
    a. 00:00:00:00:00:FF
    b. FF:FF:FF:FF:FF:FF
    c. FE:FE:FE:FE:FE:FE
    d. 11:11:11:11:11:11
    Answer: b. FF:FF:FF:FF:FF:FFfirewall
  24. Which of the following protocols does NOT use broadcast at all?
    a. DHCP
    b. ARP
    c. OSPF
    d. BOOTP
    Answer: c. OSPFgeeksforgeeks+1
  25. Which addressing method is the opposite of broadcast?
    a. Multicast
    b. Unicast
    c. Anycast
    d. Hostcast
    Answer: b. Unicastgatevidyalay+1
  26. What happens to the network traffic when broadcast messages become excessive?
    a. Traffic reduces automatically
    b. Network congestion increases
    c. Noise reduces
    d. Bandwidth usage reduces
    Answer: b. Network congestion increasessanfoundry+1
  27. A broadcast storm is:
    a. Rapid, excessive broadcast packet propagation
    b. Weather monitoring event
    c. Secure file transfer scenario
    d. Slow packet delivery
    Answer: a. Rapid, excessive broadcast packet propagationsanfoundry+1
  28. Which network device breaks up broadcast domains?
    a. Switch
    b. Router
    c. Hub
    d. Bridge
    Answer: b. Routerwatelectronics+1
  29. Which of the following can create too many broadcast packets?
    a. Switch misconfiguration
    b. Broadcast storm
    c. Router misconfiguration
    d. Firewalls
    Answer: b. Broadcast stormsanfoundry+1
  30. What is NOT true for broadcast communication?
    a. One sender, all receivers
    b. Data sent to broadcast address is delivered to all
    c. Requires recipient list for delivery
    d. May increase network traffic
    Answer: c. Requires recipient list for deliverywikipedia+1
  31. Which layer uses the broadcast MAC address for delivery in Ethernet networks?
    a. Physical
    b. Data Link
    c. Network
    d. Transport
    Answer: b. Data Linkfirewall
  32. Which command in Windows can show if broadcast packets are being received?
    a. ipconfig
    b. arp -a
    c. netstat -s
    d. ping 127.0.0.1
    Answer: b. arp -afirewall
  33. What is a characteristic of broadcast messages?
    a. Sent to a unique address
    b. Sent to a classful address
    c. Sent to all nodes in network/subnet
    d. Sent to a predetermined list
    Answer: c. Sent to all nodes in network/subnetwikipedia+1
  34. What is the essential requirement for a device to receive a broadcast at Layer 2?
    a. Must have IP address match
    b. Must have MAC layer broadcast processing
    c. Must have DNS configuration
    d. Must be an internet host
    Answer: b. Must have MAC layer broadcast processingfirewall
  35. Which addressing method is defined as one-to-all?
    a. Multicast
    b. Broadcast
    c. Unicast
    d. Anycast
    Answer: b. Broadcastwikipedia+1
  36. Which network protocol sends messages to all hosts within a local segment using broadcast?
    a. SMTP
    b. ARP
    c. HTTPS
    d. IMAP
    Answer: b. ARPgeeksforgeeks+1
  37. Why do modern networks aim to reduce broadcast domain size?
    a. To enhance security
    b. To increase advertisements
    c. To reduce unnecessary traffic
    d. To allow more VLANs
    Answer: c. To reduce unnecessary trafficsanfoundry+1
  38. What is a potential impact of a broadcast storm?
    a. Strengthens network performance
    b. Reduces network performance
    c. Prevents packet loss
    d. Reduces device count
    Answer: b. Reduces network performancecybersecuritynews+1
  39. What is the primary purpose of broadcast in address resolution?
    a. To discover the MAC address for a known IP
    b. To find the DNS name for a given IP
    c. To authenticate users
    d. To encrypt messages
    Answer: a. To discover the MAC address for a known IPfirewall
  40. If a switch receives a broadcast frame, what does it do?
    a. Drops the frame
    b. Forwards to all ports except the incoming port
    c. Forwards to only designated port
    d. Sends to router only
    Answer: b. Forwards to all ports except the incoming portfirewall
  41. On which layer are broadcast IP addresses defined?
    a. Layer 3 (Network layer)
    b. Layer 4 (Transport layer)
    c. Layer 7 (Application layer)
    d. Layer 1 (Physical layer)
    Answer: a. Layer 3 (Network layer)geeksforgeeks
  42. Which protocol primarily uses broadcast in IPv4 for device discovery?
    a. SSH
    b. DHCP
    c. HTTPS
    d. SMTP
    Answer: b. DHCPfirewall
  43. What is the broadcast domain within an Ethernet LAN by default?
    a. All connected devices
    b. Only VLAN-specific devices
    c. Only routers
    d. Only switches
    Answer: a. All connected devicesfirewall
  44. If a frame has a destination MAC address of FF:FF:FF:FF:FF:FF, how is it treated?
    a. Dropped by switches
    b. Treated as broadcast
    c. Multicast only
    d. Sent to routers only
    Answer: b. Treated as broadcastfirewall
  45. What is the result of segmenting a network into multiple VLANs with respect to broadcast domains?
    a. Increases broadcast domain size
    b. Decreases broadcast domain size
    c. Eliminates broadcast domains
    d. Has no effect on broadcasts
    Answer: b. Decreases broadcast domain sizefirewall
  46. Which of the following is NOT true regarding broadcast messages?
    a. Flooded within broadcast domain
    b. Processed by all hosts in the subnet
    c. Can traverse routers by default
    d. Are limited by the broadcast domain size
    Answer: c. Can traverse routers by defaultgeeksforgeeks+1
  47. Which protocol uses broadcasts for the initial handshake process in IPv4?
    a. FTP
    b. TCP
    c. DHCP
    d. SMTP
    Answer: c. DHCPgeeksforgeeks+1
  48. Which statement about directed broadcast is accurate?
    a. Used to send data to all hosts on a remote subnet
    b. Used only within local subnet
    c. Cannot be routed
    d. Enables VPNs
    Answer: a. Used to send data to all hosts on a remote subnetcybersecuritynews+1
  49. When is a directed broadcast permitted by default?
    a. On all routers
    b. When routers allow it in the configuration
    c. When subnet is configured for static routing only
    d. When using only bridges
    Answer: b. When routers allow it in the configurationcybersecuritynews+1
  50. Which term describes the process of transmitting messages from one sender to all possible recipients in a network?
    a. Anycast
    b. Multicast
    c. Broadcast
    d. Unicast
    Answer: c. Broadcastwikipedia+1

 

  1. https://en.wikipedia.org/wiki/Broadcasting_(networking)
  2. https://www.geeksforgeeks.org/computer-networks/types-of-broadcast-network/
  3. https://letsfindcourse.com/computer-network-mcq/addressing-mcq-questions-and-answers
  4. https://www.firewall.cx/networking/network-fundamentals/network-broadcast.html
  5. https://cybersecuritynews.com/broadcast/
  6. https://www.geeksforgeeks.org/computer-networks/what-is-broadcasting-in-computer-network/
  7. https://www.watelectronics.com/mcq/network-devices/
  8. https://www.sanfoundry.com/computer-networks-questions-answers-broadcast-routing/
  9. https://www.geeksforgeeks.org/computer-networks/broadcast-routing/
  10. https://www.gatevidyalay.com/tag/types-of-broadcast-network/
  11. https://www.sanfoundry.com/computer-network-questions-answers/
  12. https://testbook.com/objective-questions/mcq-on-broadcasting–626bbc763a4ec048267097cb
  13. https://www.uninets.com/blog/computer-networks-mcq
  14. https://reck.ac.in/wp-content/uploads/2023/04/DCN_MCQ-Ashwini-.pdf
  15. https://botpenguin.com/glossary/broadcast
  16. https://www.youtube.com/watch?v=PfDJlATZT7c
  17. https://www.interviewbit.com/computer-network-mcq/
  18. https://www.sciencedirect.com/topics/computer-science/broadcast-protocol
  19. https://www.scribd.com/document/534338575/6-Broadcasting-MCQ-Questions
  20. https://www.cloudflare.com/learning/network-layer/what-is-a-protocol/

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