[UPDATED] Alcatel-Lucent 4A0-100 Certification Exam Questions
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The Alcatel-Lucent 4A0-100 exam measures the candidate's knowledge and understanding of the Alcatel-Lucent Service Router Operating System (SROS), the Alcatel-Lucent 7750 Service Router (SR), and the Alcatel-Lucent 7450 Ethernet Service Switch (ESS). It covers a wide range of topics, including network architecture, IP routing protocols, MPLS, BGP, OSPF, multicast, and VPN technologies. It is a comprehensive exam that requires a deep understanding of network design and implementation.
NEW QUESTION # 201
What is the most specific aggregate prefix for the following 4 subnets?
100.1.1.4/30
100.1.1.8/30
100.1.1.12/30
100.1.1.16/30
- A. 100.1.1.0/27
- B. 100.1.1.0/28
- C. 100.1.1.0/26
- D. 100.1.1.0/25
Answer: A
Explanation:
Section: Volume B
Explanation/Reference:
NEW QUESTION # 202
What is the name for an organization that provides Internet services to its customers?
- A. A home based business.
- B. A content provider.
- C. An ISP.
- D. A large corporation.
Answer: C
Explanation:
Section: Volume A
Explanation
NEW QUESTION # 203
What must be configured before a LAG becomes operational?
- A. Auto-negotiation must be enabled on all ports in the LAG.
- B. The speed and duplex setting on all ports in the LAG must be the same.
- C. The duplex setting on all the ports in the LAG must be forced to half.
- D. The cost must be statically configured on all ports in the LAG.
Answer: B
NEW QUESTION # 204
As described by the CSMA/CD algorithm, what is the first thing to happen when Host A and Host B begin transmitting data at the same time?
- A. Listening hosts will request retransmission.
- B. A back-off timer is started by Host A or B.
- C. Host A and B will generate a jam signal.
- D. Host A or B will retry the transmission.
Answer: C
Explanation:
Section: Volume A
NEW QUESTION # 205
What information is used to separate VLANs on a VLAN trunk that connects multiple VLANs?
- A. VLAN tag.
- B. IP Header.
- C. Priority Value.
- D. FCS.
Answer: A
Explanation:
Section: Volume A
NEW QUESTION # 206
Which configuration edit mode does NOT give you access to the global candidate configuration?
- A. Exclusive
- B. Read-only
- C. Global
- D. Private
Answer: B
NEW QUESTION # 207 
Based on the network diagram (click the Exhibit Button), what is the next-hop used on R1 to setup a static route to the network on CR1?
- A. next-hop 10.2.3.2
- B. next-hop 192.168.2.0
- C. next-hop 192.168.2.1
- D. next-hop 10.2 3.1
Answer: D
Explanation:
Section: Volume B
NEW QUESTION # 208
How do protocols such as ATM and Frame-Relay support differentiating multiple customers or traffic types on the same physical wire?
- A. ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical separation of traffic.
- B. ATM and Frame-Relay are circuit switched protocols and use VLAN's to create logical separation of traffic.
- C. ATM and Frame-Relay are point-to-point protocols and do not support different customers or traffic type on the same physical wire.
- D. ATM and Frame-Relay are circuit switched protocols and use IP Header information to create logical separation of traffic.
Answer: A
Explanation:
Section: Volume A
Explanation/Reference:
NEW QUESTION # 209
What type of BGP sessions does router R2 need to establish in order to reach network 192.168.5.0/27?
- A. An eBGP peering session with router R4
- B. An iBGP peering session with router R5, and an eBGP peering session with router R4
- C. iBGP peering sessions with routers R3 and R4
- D. An iBGP peering session with router R5
Answer: C
Explanation:
Section: Volume B
NEW QUESTION # 210
Which of the following statements about IP addressing is TRUE?
- A. IP addresses provide hierarchy based on the country code and regional identifier.
- B. Classless IP addresses provide hierarchy based on a variable length subnet mask.
- C. IP addresses are assigned by IEEE to vendors.
- D. Classless IP addresses provide hierarchy based on fixed subnet masks of /24, /16, and /8.
Answer: B
Explanation:
Section: Volume B
NEW QUESTION # 211
How does the Transport Layer identify which application is to receive the data?
- A. Using the MAC address of the frame.
- B. Using Connection Identifier Numbers (CIN).
- C. Using the IP address of the packet.
- D. Using port numbers.
Answer: D
NEW QUESTION # 212
Which of the following describes an IP filter on the Alcatel-Lucent 7750 SR?
- A. An IP filter is used to examine an IP packet and its contents.
- B. Multiple ingress and egress filter policies can be applied to a network interface.
- C. An IP filter is applied to allow or deny IP packets into a network.
- D. Once an IP filter is applied it cannot be modified.
Answer: C
NEW QUESTION # 213
From a customer's perspective, how does a VPRN service operate?
- A. All sites are connected to a single wire.
- B. All sites are connected to the Internet.
- C. All sites are connected to a switched network.
- D. All sites are connected to a routed network.
Answer: D
Explanation:
Section: Volume B
NEW QUESTION # 214
One of the tasks of the boot options file (BOF) is to:
- A. Set the date/time for the system.
- B. Define an IP address for the CPM Ethernet port.
- C. Initialize the hardware.
- D. Specify authorization information to control access to the router.
Answer: B
NEW QUESTION # 215
In the diagram, R3 receives an LSA with sequence number 112 from R7 and installs it in its link state
database. 10 ms. Later it receives a copy of the same LSA with a sequence number of 111 from R1. What
does R3 do with the LSA from R1?
- A. R3 installs the LSA received from R1 in its link state database, sends an ACK to R1 and floods a copy
to its neighbors. - B. R3 installs the LSA received from R1 in its link state database and floods a copy to its neighbors.
- C. R3 discards the LSA received from R1 and sends an ACK to R1.
- D. R3 discards the LSA received from R1 and sends a copy of the LSA from its link state base to R1.
Answer: D
NEW QUESTION # 216
One of the tasks of the boot options file (BOF) is to:
- A. Set the date/time for the system.
- B. Define an IP address for the CPM Ethernet port.
- C. Initialize the hardware.
- D. Specify authorization information to control access to the router.
Answer: B
Explanation:
Section: Volume A
NEW QUESTION # 217
(Click the Exhibit Button below) An Ethernet Local Area Network (LAN) consists of the following components:
Four 24-port hubs & Two 16-port switches
How many broadcast domains are on this LAN?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 218
Which of the following are functions of VLANs? (Choose 2)
- A. VLANs can group ports on multiple switches into unified broadcast domains
- B. VLANs allow multiple Ethernet switches to be connected in a single collision domain
- C. VLANs can group ports on the same switch into different collision domains
- D. VLANs can separate ports on the same switch into different broadcast domains
Answer: A,D
Explanation:
Section: Volume B
Explanation/Reference:
NEW QUESTION # 219
What ICMP message type will a router use to indicate to a host that an IP datagram sourced from that host
cannot be delivered?
- A. Echo Request.
- B. Echo Reply.
- C. Destination Unreachable.
- D. Router redirect.
Answer: C
NEW QUESTION # 220
Which of the following statements about the IP forwarding process on a router is TRUE?
- A. It uses the routing table to find a match for the source IP address.
- B. It uses the ARP table to find a match for the destination MAC address.
- C. It uses the routing table to find a match for the destination IP address.
- D. It uses the ARP table to find a match for the source MAC address.
Answer: C
Explanation:
When a routerforwards a packet, it performs the following operations:
* Looks up the destination IP addressin therouting tableto determine thenext hoporegress interface.
* Uses theARP tableto resolve theMAC address of the next-hop IP.
* Option Ais incorrect - source IP is not used for route lookup.
* Option Cis incorrect - routers don't resolve thesource MAC.
* Option Dis partially true, butrouting begins with the routing table, makingBthe most accurate.
Reference:
Nokia IP Fundamentals Study Guide - Chapter: "IP Packet Forwarding"
RFC 1812 - Requirements for IP Routers
NEW QUESTION # 221
The TCP/IP and OSI models of protocol are similar in that they both have:
- A. An applications services layer with similar layering and service definitions.
- B. A network layer that provides a universal and consistent forwarding service.
- C. An application and session layer.
- D. A transport layer with two protocols.
Answer: D
NEW QUESTION # 222
Which of the following statements are TRUE regarding SONET/SDH? (Choose 2)
- A. They are deployed over point-to-point physical topologies to allow sub-50ms convergence.
- B. IP datagrams are encapsulated in an Ethernet frame for transmission over a SONET network.
- C. An ADM (Add Drop Multiplexer) is used to connect various sites to the infrastructure.
- D. IP datagrams are encapsulated in a PPP frame for transmission over an SDH network,
Answer: C,D
NEW QUESTION # 223
What is the purpose of a multicast address?
- A. To provide an address that refers to all devices in a network.
- B. To provide an address that refers to a group of devices with the same IP address in different Layer 2 networks.
- C. To provide an address that refers to a specific group of devices in a network.
- D. To provide an address that refers to a single device in a network.
Answer: C
NEW QUESTION # 224
What is the most specific aggregate prefix for the following 4 subnets?
100.1.1.4/30
100.1.1.8/30
100.1.1.12/30
100.1.1.16/30
- A. 100.1.1.0/27
- B. 100.1.1.0/28
- C. 100.1.1.0/26
- D. 100.1.1.0/25
Answer: A
NEW QUESTION # 225
Which of the following IP header fields defines the way packets should be queued?
- A. Identification
- B. Type of Service
- C. Flags
- D. Protocol
Answer: B
Explanation:
Section: Volume B
NEW QUESTION # 226
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Alcatel-Lucent 4A0-100 exam consists of 90 multiple-choice questions, which need to be completed within 120 minutes. 4A0-100 exam covers a wide range of topics, including IP routing concepts, network architecture and design, implementing and configuring IP routing protocols, and network security. 4A0-100 exam is designed to test the knowledge and skills of network professionals in a variety of areas, and to ensure that they have a comprehensive understanding of the Alcatel-Lucent technology and its implementation in scalable IP networks. Passing the Alcatel-Lucent 4A0-100 exam is a testament to the skills, knowledge, and expertise of network professionals, and can help individuals advance their careers in the field of networking.
Alcatel-Lucent 4A0-100 (Alcatel-Lucent Scalable IP Networks) Exam is a certification exam designed to test the knowledge and skills of networking professionals in designing, implementing, and troubleshooting scalable IP networks using Alcatel-Lucent technology. Nokia IP Networksand Services Fundamentals certification is targeted towards experienced networking professionals who are looking to validate their skills and knowledge in this field, and who are interested in advancing their careers in the networking industry.
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