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QUESTION 65
Certkiller has decided to use IntServ in parts of their network as opposed to DiffServ. Which two Integrated Services (IntServ) functions are required on a router? (Select two)
A. DSCP classification
B. Monitoring
C. Scheduling
D. Admission control
E. Marking

Correct Answer: CD Section: (none) Explanation
Explanation/Reference:
Explanation: The Integrated Services or IntServ architecture is a multiple service model that can accommodate multiple QoS requirements. In this model the application requests a specific kind of service from the network before it sends data. The request is made by explicit signaling. The application informs the network of its traffic profile and requests a particular kind of service that can encompass its bandwidth and delay requirements. The application is expected to send data only after it gets a confirmation from the network. It is also expected to send data that lies within its described traffic profile. The network performs admission control, based on information from the application and available network resources. It also commits to meeting the QoS requirements of the application as long as the traffic remains within the profile specifications. The network fulfils its commitment by maintaining a per-flow state and then performing packet classification, policing, and intelligent queuing based on that state. The Cisco IOS IntServ model allows applications to make use of the IETF Resource Reservation Protocol (RSVP), which can be used by applications to signal their QoS requirementsto the router.

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QUESTION 50
Exhibit:

Study the exhibit carefully. A router has a 256 kbps Frame Relay circuit connected to interface serial 0/0. As a large FTP packet is being placed into the hardware transmit queue of interface serial 0/0, a voice packet is placed into the priority queue of that interface. How, and in what order, will the packets be transmitted?
A. The voice packet will be transmitted first, followed by the fragmented FTP packet.
B. The FTP packet will be fragmented and the voice packet will be interleaved.
C. The voice packet will be transmitted first, followed by the FTP packet in its entirety.
D. The FTP packet will be transmitted first in its entirety, followed by the voice packet.
E. None of the above.

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