A company wants to use SSM as the multicast routing protocol inside its network. Some of its multicast applications do not support IGMPv3. In which two ways can the mapping be done when these applications send IGMPv2 join messages? (Choose two.)

• A.The Layer 2 switches can send a request to a DNS server.
• B.The Layer 3 multicast routers can send a request to a DNS server.
• C.The mapping can be done statically at the Layer 2 switches.
• D.The mapping can be done statically at the Layer 3 multicast routers.
• E.The Layer 2 switches can transform the IGMPv2 join to an IGMPv3lite join.
• F.The Layer 3 multicast routers can transform the IGMPv2 join to an IGMPv3lite join.

Comment: *

Name: *

Email: *

Verification: *

The Sender Policy Framework (SPF) is an open standard specifying a technical method to prevent sender address forgery. When configuring the SPF exponential backoff timer, which one of the following items is among the primary issues to consider?

• A.number of external routes
• B.area size
• C.average SPF run time
• D.interface stability

Comment: *

Name: *

Email: *

Verification: *

Which three things can be restricted by the Class of Service in a traditional PBX? (Choose three.)

• A.dial plans
• B.dialed numbers
• C.voice mail prompts
• D.phone features

Comment: *

Name: *

Email: *

Verification: *

Which reason is correct about carrying routes that originate outside your network in an EGP, such as BGP, rather than in your IGP, such as OSPF, EIGRP, or IS-IS?

• A.to provide faster convergence to destinations outside your network
• B.to prevent failures outside your network from impacting your internal network operation
• C.to provide a growth path for the core of your network
• D.to provide better control over the distribution of the default route inside your network

Comment: *

Name: *

Email: *

Verification: *

You are asked to design an RSVP-TEL LSP protection solution for a large service provider network .Which traffic protection mechanism is highly scalable and ensure that multiple LPS always terminate at the same merge point?

• A.1:N protection.
• B.Detour LSPs.
• C.Shared explicit protection.
• D.1:1 protection.

Comment: *

Name: *

Email: *

Verification: *