4A0-100 Exam - Alcatel-Lucent Scalable IP Networks

NEW QUESTION 1
What is the purpose of the broadcast address?

• A. Provides an address that refers to all the devices in a given networ
• B. Provides an address to refer to a specific group of devices in a given networ
• C. Provides an address to refer to a group of devices having the same IP addresses in different Layer 2 network
• D. Provides an address to refer to a single device on a given networ

Answer: A

NEW QUESTION 2
Based on the network diagram (click the Exhibit Button).

Router 1 installs network D in its routing table following a dynamic routing update from Router 2. Which of the following describes the information that will be installed in the routing table?

• A. 172.16.9.0/24 next-hop 10.10.10.1
• B. 172.16.9.0/24 next-hop 10.10.10.2
• C. 172.16.9.0.24 next-hop 10.10 10 3
• D. 0.0.0.0/32 next-hop 172.16.9.1

Answer: C

NEW QUESTION 3
What happens immediately after an Ethernet switch receives an Ethernet frame?

• A. It records the destination MAC address and the interface on which it arrive
• B. It records the source MAC address and the interface on which it arrive
• C. It floods the frame out of all its interfaces except the interface on which the frame arrive
• D. It transmits the frame out of the appropriate interfac

Answer: B

NEW QUESTION 4
Which of the following statements is FALSE when describing a Virtual Private LAN Service?

• A. A VPLS emulates a virtual switch or bridg
• B. The VPLS performs MAC learning on MAC addresses seen from SAPs and SDP
• C. When a VPLS receives a frame with an unknown MAC destination, the frame will be droppe
• D. MAC addresses are maintained in a MAC address forwarding database (FDB).

Answer: C

NEW QUESTION 5
Which of the following best describes an autonomous system?

• A. An autonomous system is a network or group of networks operating under one administrative authorit
• B. An autonomous system is another term for the collection of routers that make up the Internet
• C. An autonomous system is a network or group of networks from many organizations running different IGP routing protocols, but all running BG
• D. An autonomous system is a loosely defined term that can refer to any organization that has a connection to the Interne

Answer: A

NEW QUESTION 6
Which of the following is TRUE regarding Ethernet half-duplex transmission?

• A. Half-duplex transmission is less efficient because the frame MTU is smalle
• B. An end-station connected to a hub will always be half-duple
• C. Ethernet switches only support half-duplex transmissio
• D. All of the abov

Answer: B

NEW QUESTION 7
A 24 port Ethernet switch is configured with VLAN 100 on ports 1 - 8, VLAN 200 on ports 9
-
16 and VLAN 300 on ports 17 - 24. Which of the following describes the behavior of the switch when a broadcast frame is received on port 1?

• A. The switch will discard the broadcast frame because there is no specific destination addres
• B. The switch will flood the broadcast frame on all ports on which the switch has seen frames from attached devices
• C. The switch will flood the broadcast frame on ports 2 to 8.
• D. The switch will flood the broadcast frame on all 24 port

Answer: C

NEW QUESTION 8
Which of the following is characteristic of a static route?

• A. Responds in real time to network failure
• B. Can only be used for routing within an autonomous syste
• C. Uses a hop-count metric to determine the best route to a networ
• D. Explicitly defines the next hop based on operator inpu

Answer: D

NEW QUESTION 9
What problems was Spanning Tree Protocol (STP) primarily designed to solve? (Choose two):

• A. Providing path redundanc
• B. Preventing loop
• C. Handling collision
• D. Allowing flooding of multicast traffi

Answer: AB

NEW QUESTION 10
Which of the following are accurate statements about the PE device in a service providers MPLS network? (Select three)

• A. A PE router only connects to CE device
• B. A PE router only connects to P router
• C. A PE router connects to at least one P route
• D. A PE router connects to at least one CE devic
• E. PE routers support many different interface types connecting to CE device
• F. PE routers only support Ethernet interfaces connecting to the C

Answer: CDE

NEW QUESTION 11
Why does UDP have less overhead than TCP?

• A. UDP has less overhead because it is only used for transmission of small amounts of dat
• B. UDP has less overhead then TCP because there is no checksum field in UD
• C. UDP overhead is the same as TCP because it uses the same fields in the heade
• D. UDP has less overhead because there is no requirement for acknowledgment or retransmissio

Answer: D

NEW QUESTION 12
Which of the following applications would be likely to use UDP?

• A. Real-time audio application, such as VoIP
• B. Web browser
• C. Email application
• D. Telnet

Answer: A

NEW QUESTION 13
Which of the following best describes the operation of the Media Dependent Adapter (MDA)?

• A. The MDA contains the flexible fast path complex used for forwarding dat
• B. Excess data is discarded by the MDA and the remaining data forwarded for QoS processin
• C. The MDA buffers data and applies Quality of Service (QoS) to classify and treat the data appropriatel
• D. The MDA converts data from its incoming physical format into an internal format and provides some minimal bufferin

Answer: D

NEW QUESTION 14
Which of the following is a characteristic of ATM?

• A. Application data is transported in 53-byte cell
• B. ATM circuits are identified by a VPI/VCI valu
• C. Provides enhanced QoS support with 5 classes of servic
• D. Ideal for multiple services on the same physical lin
• E. All of the abov
• F. None of the above

Answer: E

NEW QUESTION 15
(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. 1
• B. 2
• C. 5
• D. 32

Answer: A

NEW QUESTION 16
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