Cisco 400-007 Exam (page: 6)
Cisco Certified Design Expert CCDE v3.0
Updated on: 15-Feb-2026

Explanation:

-FCAPS stands for Fault, Configuration, Accounting, Performance, and Security. It is a framework for network management that was developed by the International Organization for Standardization (ISO).

-The five management categories in the FCAPS framework are:

oFault management is responsible for detecting and correcting network faults.
oConfiguration management is responsible for keeping track of the configuration of network devices.
oAccounting management is responsible for tracking network usage.
oPerformance management is responsible for monitoring network performance.
oSecurity management is responsible for protecting the network from unauthorized access, use, disclosure, disruption, modification, or destruction.
-Authentication is not a management category in the FCAPS framework. Authentication is a security mechanism that is used to verify the identity of a user or device.
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Explanation:

The hold queue is a buffer that holds packets temporarily when the device's processing capacity is overwhelmed. In the given situation, the route reflector is experiencing delays during large network changes, indicating that it is struggling to handle the TCP acknowledgments during route updates. This suggests that the hold queue may be filling up quickly, causing congestion and delays in processing the acknowledgments.

By increasing the size of the hold queue, the router can accommodate a larger number of packets in the queue, reducing the likelihood of congestion and improving performance during route updates. This allows the router to handle a higher volume of TCP acknowledgments and facilitates faster convergence.

Explanation:

A feasible successor must be present: A feasible successor is a neighboring router that satisfies the feasibility condition, which states that the advertised distance (Reported Distance) to a remote network from the neighboring router is less than the local router's feasible distance. The feasible successor provides an alternate path to reach the remote network without introducing loops.

The Reported Distance from a successor is lower than the local Feasible Distance: When a router receives advertisements from its neighbors, it compares the Reported Distance (advertised distance from the neighbor) to the local Feasible Distance (best path metric known so far). If the Reported Distance from a successor is lower than the local Feasible Distance, the router considers it as a feasible successor and maintains it as an alternate path.

Explanation:

Explanation:

Jitter compensation buffers are used to mitigate the effects of network jitter, which is the variation in packet arrival times. By increasing the size of the jitter compensation buffer, the system is able to store and hold incoming packets for a longer period, allowing for greater flexibility in handling variations in packet arrival times.

However, increasing the buffer size introduces additional delay in the system. Packets are held in the buffer for a longer duration before being forwarded, resulting in increased overall transport delay. This increased delay can lead to quality issues, especially in real-time applications such as voice or video, where timely delivery of packets is crucial.

Therefore, increasing the jitter compensation buffer may help in smoothing out variations in packet arrival times, but it can also introduce increased delay and potentially impact the quality of the transmitted data.