A multi-protocol network, the topology is shown in the figure. Take a closer look at the topology, router R4 (in Areal) is introduced into the OSPF process via the routes learned by BGP. So what categories of LS4 will R3 advertise to zone 0? (Multiple choice questions).

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

Comment: *

Name: *

Email: *

Verification: *

ISIS does not send CSNP packets under the P2P network type during the neighbor establishment process.

• A.False
• B.True

Comment: *

Name: *

Email: *

Verification: *

What about the description of IGMP Snooping, is it correct?

• A.IGMP Snooping solves the problem of multicast messages broadcasting in layer 3
• B.IGMP Snooping runs at the link layer and is a multicast constraint mechanism on Layer 2 Ethernet switches that manages and controls multicast groups
• C.IGMP Snooping establishes a MAC multicast address table by listening for IGMP packets sent by the host
• D.IGMP Snooping does not consume the CPU of the switch

Comment: *

Name: *

Email: *

Verification: *

If the OSPF protocol is running in the network, after configuring the non-osseous thousand region in the OSPF region as the Totally Stub region, the ABR router sends a message to Totally. The Stub area issues an LSA with an LSID of 0000, which category the LSA belongs to LSA? (Single choice questions).

• A.LSA2
• B.LSA3
• C.LSA1
• D.LSA5

Comment: *

Name: *

Email: *

Verification: *

What is the following correct for the process of registering the source-side DR with RP in PIM-SM?

• A.Encapsulated in the registered message is multicast service data
• B.RP sends a registration stop message as soon as it receives the registration message.
• C.Registered packets are multicast packets.
• D.Registered messages are used to build the RPT tree between source DR and RP

Comment: *

Name: *

Email: *

Verification: *