Refer to the exhibit. A service provider using IS-IS has designed this network with all core links at the Layer 2 control plane. How will they adjust the design to reduce the flooding of update packets?

• A.Use IS-IS mesh groups.
• B.Change the network type of the links from broadcast to point-to-point.
• C.Configure SPF timers to be more aggressive so that updates are more quickly cleared from the queue.
• D.Change the area type of the links to be level-1-2 to allow level-1 updates.

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Header compression is the most cost-effective way to increase link efficiency for VoIP traffic.

• A.True
• B.False

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What is a design consideration of policy-based routing?

• A.It decreases failure detection time.
• B.It should be implemented at both ends of a GRE tunnel.
• C.It can create microloops during network reconvergence.
• D.It can limit the network scalability.

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SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an interface Which two statements about SCSI are true?

• A.The bus is limited to 64 devices.
• B.It is a full-duplex serial standard.
• C.It is a half-duplex serial standard.
• D.It allows up to 320 MB/s of shared channel bandwidth.

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MPLS TE tunnel is created on a PE-router and terminates at another PE-router. Study the exhibit carefully.
A service provider with a multi-area OSPF environment would like to set up Cisco MPLS TE tunnels among provider edge routers across area boundaries. The LSPs are configured with bandwidth constraints and explicit loose route hops as indicated by the arrows in the following path:
PE1 -> ABR1 -> ABR2 -> PE2
The network has enough resources to set up the Cisco MPLS TE tunnel from PE1 to PE2.
For which devices will PE1 run CSPF?

• A.all routers and links in Area 1 only
• B.all routers and links in Area 1 and Area 2 only
• C.all routers and links in Area 0, Area 1, and Area 2
• D.all routers and links in Area 1 and Area 0 only

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