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Cisco CCDA Cisco Certified Design Associate Sample Questions:

1. You are a network engineer at Cisco . One of your newly appointed Cisco trainees wants to know why firewalls are necessary.
What will your reply be?

A) Reduces routing loops by restricting the flow of routing information.
B) It provides a security buffer, protection between a private network and connected public networks.
C) It will maintain separate routing information for each protocol.
D) It is responsible for user authentication between a private network and connected public networks.

2. This is a *Testlet* - it contains 3 questions that relate to the scenario below (3 of 3):
Cisco is a call center consulting company that has a large call center of its own. Cisco has been to busy with new business that the company has not moved toward IP telephony, even while encouraging it for clients. The company has a basic TDM network and wants to move toward a converged voice and data network.
When consulting with the decision makers, you find that they know that a packet-switched network is a better solution but they cannot explain why.
Cisco.com
Which are three independent layers of a converged packet-switches network?
(Choose three)

A) Standards-based packet infrastructure
B) Open call control
C) Open service application
D) Digital trunk subsystem
E) Open connection control
F) Common channel signaling complex

3. Which of the following are the functional areas of the Enterprise Composite Network Model? (Choose two)

A) enterprise management
B) enterprise campus
C) enterprise edge
D) enterprise provider edge
E) enterprise backbone
F) enterprise commerce

4. A Voice over Frame Relay (VoFR) network is experiencing delay and delay variation due to serialization of packets of varying size. This condition is causing voice quality problems.
Which of the following solutions can be added to the network at the sending end to reduce these problems?

A) link fragmentation and interleaving
B) hardware digital signal processors
C) dejitter buffers
D) coding algorithm

5. Which two technologies are capable of reducing the amount of VoIP-call generated traffic? (Choose two)

A) compressed real-time transport protocol (Crtp) E.
automatic route selection
B) voice activation detection (VAD)
C) grade of service (GoS) B.
quality of service (QoS)

Solutions: