Online Access Free H12-261_V3.0 Practice Test

Regarding the description of IGMP Snooping, is it correct?

• A.IGMP Snooping solves the problem of multicast multicast broadcast at Layer 3
• B.IGMP Snooping runs at the link layer and is a multicast constraint mechanism on a Layer 2 Ethernet switch to manage and control multicast groups.
• C.IGMP Snooping does not consume the CPU of the switch
• D.IGMP Snooping establishes a MAC multicast address table by monitoring the IGMP messages sent by the host.

A multi-protocol network, the topology is shown in the figure. Please study the topology carefully, router R4(In Area1) Import the routes learned through BGP into the OSPF process. So what types of LSAs will R3 advertise to Area 0?

• A.1Class LSA
• B.Class 2 LSA
• C.5Class LSA
• D.7Class LSA
• E.4Class LSA

Four routers run IS-IS and have established adjacencies. The area numbers and router levels are marked in the figure. Which of the following statements is correct?

• A.R1 router's LSDB does not exist R4's LSP
• B.R2 router's LSDB does not have R4's LSP
• C.R3 router's LSDB does not exist R4's LSP
• D.R2 router's LSDB does not have R3's LSP

RD is used to distinguish the same IP address in different VPNs. How many bits does RD contain?

• A.16
• B.32
• C.64
• D.128

The HTTP protocol is based on TCP, so TCP can be used Flood attack defense method defends HTTP Flood attack.

• A.false
• B.True