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2021 Sep 4A0-101 exam cram
Q21. What is the term used for the updates sent by IS-IS?
A. Link State PDUs
B. Link State Updates
C. Link State Advertisements
D. Intermediate System Update Packets
Answer: A
Q22. What command is used on the Alcatel-Lucent 7750 SR to define the default action to be taken if a packet does not match any entry in an IP filter?
A. config>filter# default-action XXX
B. config>filter>ip-filter# default-action XXX
C. config>filter# default-mode XXX
D. config>filter>ip-filter# default-mode XXX
Answer: B
Q23. What modes of authentication are supported for RIPv2 on the Alcatel-Lucent 7750 SR?
A. RIPv2 supports basic and MD5 authentication only.
B. RIPv2 supports password and MD5 authentication only.
C. RIPv2 does not support authentication, password and MD5 authentication.
D. RIPv2 does not support authentication.
Answer: C
Q24. Click the exhibit button
Two adjacent OSPF routers have exchanged the packets shown. What state is the adjacency in?
A. Full, both routers are exchanging Hellos to maintain the adjacency
B. The adjacency is down
C. The adjacency is in the DR election process
D. The adjacency is in the Exchange State
Answer: B
Q25. What are the similarities between OSPF and IS-IS? Choose two.
A. Metric is cost based
B. Slow convergence
C. Automatic summarization
D. Support CIDR
Answer: AD
Improve 4A0-101 exam:
Q26. An OSPF ASBR must have at least one interface in the backbone area (area 0)
A. True
B. False
Answer: B
Q27. From the list below identify two matching criteria supported for IP filters on the Alcatel-Lucent
7750 SR: (Choose two)
A. DSCP marking
B. Class of Service Marking
C. DSAP marking
D. ICMP type
Answer: AD
Q28. How many bytes make up the system ID in an IS-IS NSAP address on the Alcatel-Lucent 7750 SR?
A. 4 bytes
B. 6 bytes
C. 8 bytes
D. Variably between 4 and 8 bytes
Answer: B
Q29. Which of the statements below best describes the pseudonode in an IS-IS network?
A. The DIS creates a logical node to represent a group of routers on the same non-broadcast network; this node is the pseudonode
B. The DIS creates a logical node to represent the topological database of the backbone network in an IS-IS network; this node is the pseudonode
C. The DIS creates a logical node to represent a broadcast sub-network; this node is the pseudonode
D. The DIS creates a logical node to represent the complete topology of an IS-IS area; this node is the pseudode
Answer: C
Q30. Choose the Distance Vector Protocols from the list below:
A. OSPF
B. RIPv1
C. RIPv2
D. IS-IS
Answer: BC