IGMP Quiz - Internet Group Management Protocol

1 At which OSI layer does IGMP operate?

a) Data Link Layer (Layer 2)

b) Transport Layer (Layer 4)

c) Network Layer (Layer 3)

d) Application Layer (Layer 7)

2 What is the primary purpose of IGMP in a multicast network?

a) To route multicast traffic between different networks

b) To encrypt multicast data for security

c) To assign IP addresses to multicast groups

d) To manage multicast group membership between hosts and local routers

3 What is the destination IP address for an IGMPv2 Membership Report message?

a) 224.0.0.1 (All-Hosts)

b) The multicast group address being joined

c) 224.0.0.2 (All-Routers)

d) The router's unicast IP address

4 Which IGMP version introduced the Leave Group message?

a) IGMPv2

b) IGMPv1

c) IGMPv3

d) All versions support it

5 What is the default maximum response time for an IGMPv2 General Membership Query?

a) 5 seconds

b) 8 seconds

c) 10 seconds

d) 30 seconds

6 Which feature is unique to IGMPv3 compared to IGMPv2?

a) Support for Leave Group messages

b) General Membership Queries

c) Group-Specific Queries

d) Source-Specific Multicast (SSM) support

7 What is the destination address for IGMPv3 Membership Reports?

a) 224.0.0.1

b) 224.0.0.22

c) 224.0.0.2

d) The specific multicast group address

8 What does IGMP Snooping enable a Layer 2 switch to do?

a) Block all multicast traffic

b) Convert multicast to broadcast

c) Forward multicast traffic only to ports with interested receivers

d) Assign multicast IP addresses to hosts

9 In IGMPv1, how does a host leave a multicast group?

a) It stops responding to queries and waits for the membership to timeout

b) It sends an explicit Leave Group message

c) It sends a Leave message to 224.0.0.2

d) It sends a notification to the multicast source

10 What is the purpose of the IGMP Membership Query message sent by routers?

a) To assign multicast addresses to hosts

b) To discover which multicast groups have active members on a network segment

c) To authenticate hosts joining multicast groups

d) To encrypt multicast group communications

11 Which protocol replaces IGMP in IPv6 networks?

a) ICMPv6

b) PIMv6

c) OSPFv3

d) MLD (Multicast Listener Discovery)

12 What is the range of Class D IP addresses used for multicast groups?

a) 224.0.0.0 to 239.255.255.255

b) 240.0.0.0 to 255.255.255.255

d) 192.168.0.0 to 192.168.255.255

d) 10.0.0.0 to 10.255.255.255

🌐 IGMP Quiz

Quiz Completed!