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CCNP ENSLD 300-420 - Concepts & Theory > IP Multicast and Network Management > Flashcards

IP Multicast and Network Management Flashcards

1
Q

What is a Rendezvous Point (RP)?

A

a Router in a multicast network domain that acts as a (shared root) for a multicast shared tree

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2
Q

What PIM mode in a network domain is a RP required?

A

PIM-SM (Sparse Mode)

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3
Q

What do RP (routers) acts as for multicast data?

A

meeting place for sources and receivers of multicast data

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4
Q

What is a Bootstrap Router (BSR)

A

non-proprietary method that distributes RP information through BSR messages carried within PIM messages in a multicast network.

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5
Q

What is a PIM domain?

A

contiguous set of routers that all implement PIM and are configured to operate within a common boundary defined by PIM Multicast Border Routers (PMBRs)

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6
Q

What are C-RPs within a PIM domain?

A

Potential RPs for a domain also known as (Candidate-RPs)

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7
Q

What are alternative ways to configure an RP?

A

Static RP

Auto-RP (Cisco proprietary)

Bootstrap Router (non-proprietary)

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8
Q

Does PIM-SM (Sparse Mode) use a push or pull method to deliver multicast traffic?

A

pull method

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9
Q

Does PIM-SM (Sparse Mode) use a push or pull method to deliver multicast traffic?

A

pull method

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10
Q

What does PIM-SM use to distribute information about active sources?

A

RP

Shared Trees

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11
Q

What does PIM-SM support in distributing information about active sources?

A 
RP (Are Required)
Shared Trees (Initially)
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12
Q

Does PIM-DM (Dense Mode) use a push or pull method to deliver multicast traffic to every corner of the network?

A

push method

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13
Q

What is the push model method?

A

method to delivering data without the receivers requesting the data

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14
Q

What does PIM-DM support in distributing information about active sources?

A

(Only) Source Trees (S,G) - No RP

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15
Q

What does PIM-SSM support in distributing information about active sources?

A

Only builds a Spanning Tree Topology (SPT)
No RP
No Shared Trees

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16
Q

What is PIM-SSM designed for?

A

streaming content for audio and video broadcasting (one-to-many applications)

17
Q

What does BIDIR-PIM support in distributing information about active sources?

A

Uses a RP

Shared Trees

18
Q

What to PIM modes do not require a RP?

A

PIM-DM

PIM-SSM

19
Q

What PIM modes do not use source trees?

A

PIM-SM

BIDIR-PIM

20
Q

What is the difference of a source tree vs shared tree?

A

Source tree has a root at a source host that branches form a spanning tree though the network

Shared tree has a single common root using a RP placed in the core of the network

21
Q

What is a shared root called?

A

Rendezvous point (RP)

CCNP ENSLD 300-420 - Concepts & Theory (9 decks)

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