Online Access Free 4A0-107 Exam Questions

Which of the following statements are TRUE regarding the building of a QoS-enabled network? (Choose two)

• A.It is important that all packets are classified in the same way at all SAP-ingress points.
• B.Packet enters a node will be treated as per the local hop's configured policy.
• C.Native IP packets entering a network port will not be marked at the first network egress by default.
• D.Native IP packets entering a network port will be marked at the first network egress by default
• E.Once a packet is classified to a forwarding class, it cannot change across the network.
• F.Native IP packets entering a network port will be marked at the first network egress, regardless of the re-marking configuration.

What is the maximum number of forwarding subclasses a forwarding class can have?

• A.16
• B.64
• C.3
• D.72
• E.56

Packets enter the network via the ePipe SAP on PE1 with dot1p marking of 6. The VC type of the SDP interconnecting PE1 and PE2 is vlan. All network interfaces use the default network QoS policy. According to the configuration shown above, what is the inner dot1p value of the BE traffic egressing router PE2?

• A.22
• B.3
• C.6
• D.0

Which of the following is an advantage of using queue-groups on a service SAP?

• A.It allows a separate set of queues/policers for each VLAN on a port.
• B.It more scalable than using policers.
• C.It enables CFHP.
• D.It allows a set of queues to be shared among multiple SAPs.

Which of the following are examples of metrics for QoS?

• A.Attenuation, dispersion, latency
• B.Signal degradation, attenuation, line loss
• C.Latency, FIFO, WRED
• D.SNR, queue depth, latency
• E.Delay, jitter, packet loss