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Alcatel-Lucent Scalable IP Networks : 4A0-100 Exam
Exam Number/Code: 4A0-100
Exam Name: Alcatel-Lucent Scalable IP Networks
Questions and Answers: 180 Q&As
Price: $125.00
Update Time: 2009-4-27


1. An Ethernet switch receives a frame addressed to an unknown destination. Assuming the frame is
error-free, what will the switch do with the frame?
A.hold it in a buffer until it learns the port on which the destination is located
B.flood the frame out all ports except the source port
C.filter the frame and restrict it only to the source port
D.age out the source address forwarding table entry
Answer: B
2. Which ATM adaptation layer is usually used for transporting IP datagrams?
A.AAL1
B.AAL2
C. AAL 3
D.AAL 5
Answer: D
3. Which of the following are phases of PPP operation? Choose two.
A.Link establishment
B.Authentication
C. Window size negotiation
D.Routing
Answer: AB
4. What is the purpose of carrier sense in the CSMA/CD algorithm?
A.To ensure the host is able to detect an operational physical link before transmitting.
B.The host is able to detect the transmission speed of the Ethernet switch port to which the host is
connected
C.The host will only transmit data when it detects that no other devices are transmitting
D.The host will only transmit upon a timer expiry
Answer: C