QUESTION: 53

Which of the following are trusted boundaries, by default? (Choose two)

An IES SAP
A VPLS SAP
A network port
AVPRN SAP
An access port

Answer(s): C,D

QUESTION: 54

A service provider is using GRE for his transport tunnel on the Nokia 7750 SR. How can traffic be marked as it traverses the service provider's network? (Choose two)

Using dot1p bits of the 802.1q Ethernet frame header
Using DSCP bits within the ToS field of the IP packet header.
Using the IP precedence bits within the ToS field of the IP packet header.
Using the CLP bit of the ATM cell header.
Using the EXP bits of the MPLS transport label header.

Answer(s): A,B

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QUESTION: 55

In which of the following scenarios is self-generated traffic QoS (sgt-QoS) useful?

EXP markings on transit control traffic are not set correctly.
The priority of all self-generated traffic needs to be lowered to allow all other traffic to take precedence.
The priority of various control packets requires special treatment throughout the network.
The BGP process is consuming too many CPU cycles and is impacting OSPF performance.

Answer(s): C

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QUESTION: 56

Which of the following statements are TRUE when discussing self-generated traffic QoS? (Choose two)

In order to mark Layer 2 traffic, sgt-qos will set various ToS bits.
DSCP bits can be set per application, per routing instance.
The DSCP marking stays nc1 for all applications. Only the internal FC is manipulated across different applications.
In order to mark Layer 2 self-generated traffic, network interfaces must be set to dot1Q.
The internal forwarding class for self-generated traffic is set once and applied to the base router and all VPRN instances.

Answer(s): B,D

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QUESTION: 53

QUESTION: 54

QUESTION: 55

QUESTION: 56

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