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4A0-100 Exam Questions
killexams.com Alcatel-Lucent 4A0-100
Alcatel-Lucent Scalable IP Networks - 2026
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Question #311
Which of the following is NOT a characteristic of the Internet protocol layer?
It provides a unique addressing scheme to identify hosts.
It provides a user interface to the network.
It uses routing protocols for path determination.
It provides end-to-end forwarding of datagrams.
Which of the following is NOT a characteristic of the Internet?
The Internet is a global and distributed network.
The Internet is a network owned by Tier 1 service providers.
The Internet is an open network of networks.
The Internet is a network that is advertised across the globe.
Which of the following is NOT a function of the control plane?
Building routing tables using dynamic routing protocols.
Building forwarding tables for the IOMs.
Handling router configuration and management functions.
Processing and forwarding user application traffic.
Which of the following is NOT a valid log source in a Nokia 7750 SR?
Main
Security
Syslog
Debug
What happens when a switch receives an Ethernet frame with unknown source and destination MAC addresses?
The frame is silently discarded.
The source MAC address is saved in the MAC FDB, and the frame is discarded.
The source MAC address is saved in the MAC FDB, and the frame is flooded to all ports except the receiving port.
The source and destination MAC addresses are saved in the MAC FDB, and the frame is flooded to all ports.
A switch with the MAC FDB shown receives an Ethernet frame with source MAC address 00:00:8c:01:00:0a and destination MAC address 00:00:8c:01:00:0c. On which port is the frame forwarded?
A. 1/1/1 B. 1/1/2 C. 1/1/3 D. 1/1/4
If a 5-port LAG is configured with the option of "????port-threshold 2 action down', and dynamic-cost is enabled, what will happen if the total number of operational links in the LAG is 2?
The LAG cost is equal to the link cost divided by 3.
The LAG cost is equal to the link cost.
The LAG is operationally down.
The LAG cost is equal to the link cost divided by 5.
What type of MAC address is ff:ff:ff:ff:ff:ff?
Unicast
Multicast
Broadcast
Anycast
Which of the following statements about IP filters on a Nokia 7750 SR is TRUE?
Multiple ingress IP filters can be used on a single interface.
An IP filter can be applied to the management port.
The same IP filter can be used on multiple interfaces.
Only one IP filter can be defined per router.
Which of the following about the displayed IP filter is TRUE?
TCP (protocol 6) traffic between addresses 1.2.3.0/24 and 2.3.4.0/24 is dropped.
TCP (protocol 6) traffic from source address 1.2.3.0/24 to destination address 2.3.4.0/24 is forwarded.
TCP (protocol 6) traffic from source address 2.3.4.0/24 to destination address 1.2.3.0/24 is dropped.
TCP (protocol 6) traffic from source address 1.2.3.0/24 to destination address 2.3.4.0/24 is dropped.
Which of the following routing protocols provides routing between routers R1 and R2?
BGP
RIPv2
OSPF
IS-IS
What next-hop address should router R2 use to reach a host on 192.168.2.0/24?
A. 10.2.3.2
B. 10.1.1.1
C. 10.2.3.1
D. 10.1.1.2
Which of the following is a characteristic of Link State protocols?
Routers send a copy of their entire routing table to their neighbors.
Routers send frequent periodic updates to the entire network.
Routers know the entire network topology.
Routers use hop-count to calculate their routing tables.
When forwarding a packet, which field in the following table determines the egress interface?
Preference
Metric
Next-hop
Cost
Which of the following statements about router R3 is TRUE?
Router R3 is the iLER for LSP B.
Router R3 is the eLER for LSP A.
Router R is an LSR for both LSP A and LSP B.
Router R3 is LSR for LSP A and an LER for LSP B.
Which device is responsible for removing the MPLS label before the packet reaches the customer?
The ingress LER
The CE device
The P router
The egress LER
Which of the MPLS routers is responsible for pushing new labels for LSP A and LSP B?
Router R1 pushes labels for both LSP A and LSP B.
Router R4 pushes labels for both LSP A and LSP B.
Router R1 pushes labels for LSP A, while router R4 pushes labels for LSP B.
Router R4 pushes labels for LSP A, while router R1 pushes labels for LSP B.
From the CE perspective, how does a VPWS operate?
Two sites are directly connected by a single cable.
Two sites are connected through a single switched LAN.
Two sites are connected through a public routed network.
Two sites are connected through a private routed network.
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