CCIE Certification Question of the Week - JULY1307

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LAST WEEK'S ANSWER: Answer: b

Issues: What is the meaning of this parameter? What is the default value and what does the default mean?

Solutions: Specifying the infinity keyword causes the router never to move to the shortest-path tree (SPT); it remains on the shared tree. The default for this value is 0. 0 causes the router to join the SPT immediately upon the first data packet it receives.

More Information: How to Optimize PIM Sparse Mode in a Large IP Multicast Deployment

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LAST WEEK'S QUESTION:

7.12.1 You notice the command ip pim spt-threshold infinity used in the multicast configuration on a router in your infrastructure. What does the infinity keyword do?

a. It allows unlimited multicast streams to use the shortest-path tree b. It causes the router never to move to the shortest-path tree c. It causes the router to join the shortest-path tree immediately upon the first data packet it receives d. None of these options are correct

THIS WEEK'S QUESTION:

4-13-2. Examine the router output shown in the Exhibit. Which type of area is this router most likely residing in?

a. NSSA b. Totally Stubby c. Stub d. Normal - Backbone e. Normal - Nonbackbone Exhibit 1 R2#show ip ospf database

OSPF Router with ID (172.16.1.2) (Process ID 1)

Router Link States (Area 20)

Link ID ADV Router Age Seq# Checksum Link count

172.16.1.2 172.16.1.2 342 0x80000002 0x009185 2

172.16.1.6 172.16.1.6 344 0x80000001 0x00C020 2

Summary Net Link States (Area 20)

Link ID ADV Router Age Seq# Checksum

10.10.10.10 172.16.1.6 339 0x80000001 0x008A85

16.16.16.0 172.16.1.6 339 0x80000001 0x000CFC

Summary ASB Link States (Area 20)

Link ID ADV Router Age Seq# Checksum

172.16.1.1 172.16.1.6 27 0x80000001 0x00A5D3

Type-5 AS External Link States

Link ID ADV Router Age Seq# Checksum Tag

100.100.100.0 172.16.1.1 32 0x80000001 0x002A8A 0

R2#

Question of the Week Compliments of: TESTiT from NetMasterClass

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Anthony Sequeira
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