Cisco 642-785

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Cisco Maintaining Cisco Service Provider Quality of Service (MSPQS) Sample Questions:

1. Which two IP SLA Probe types can be used to measure voice quality? (Choose two.)

A) UDP Delay
B) HTTP
C) UDP Echo
D) UDP Jitter
E) UDP MOS
F) ICMP Path Jitter

2. When the RFC 3270 Pipe mode is used, the PHB at the egress router is based on which of these?

A) The packet is re-evaluated, remarked, and the PHB is based on this new marking.
B) The topmost MPLS label EXP value.
C) The Differentiated Services field value in the IP packet header.
D) The MPLS VPN label EXP value.

3. Which three match statements are valid in Cisco IOS XR Software? (Choose three.)

A) match flow
B) match qos-group
C) match vpls
D) match port-type
E) match field
F) match mpls experimental topmost

4. Which statement about when you mix TCP and UDP traffic in the same class and overflow occurs is true?

A) TCP traffic is starved, because UDP never slows down when packets get dropped.
B) UDP traffic suffers more, because TCP guarantees delivery.
C) Mixing TCP and UDP in the same class is not supported.
D) The overflow is not a problem, because both TCP and UDP packets get randomly dropped and traffic will back out.

5. Which Cisco IOS command lists all traffic classifications?

A) show policy-map
B) show class-map
C) show qos
D) show service-policy

Solutions: