Alcatel-Lucent 4A0-100 Q&A 2021

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NEW QUESTION 1
Which bit pattern identifies the network address in the subnet mask?

  • A. A string of consecutive 1'
  • B. A string of consecutive0'
  • C. A string of alternating 10'
  • D. The network address is determined by masking the source address with a port's ifIndex binary representatio

Answer: A

NEW QUESTION 2
What are some of the characteristics of BGP? Choose three

  • A. BGP is an exterior gateway protoco
  • B. BGP routing is based on distance vecto
  • C. BGP sends periodic updates to its neighbor
  • D. A router running BGP protocol needs an Autonomous system number

Answer: ABD

NEW QUESTION 3
What must occur for a LAG to become operational?

  • A. There must be multiple ports assigned to the LA
  • B. All ports in the LAG must be configured with the same characteristic
  • C. Auto-negotiation must be enabled on all ports in the LA
  • D. All of the abov

Answer: B

NEW QUESTION 4
Which of the following is a File command in the File System context of the Command Line Interface (CLI)?

  • A. time-display
  • B. help
  • C. type
  • D. terminal

Answer: C

NEW QUESTION 5
The sequence numbers are used by TCP to ensure that the data receive is provided to the application in the correct order.

  • A. TRUE
  • B. FALSE

Answer: A

NEW QUESTION 6
What are the tasks of a Routing Table Manager (RTM)? (Choose 2)

  • A. To select the best route from among multiple routing protocol
  • B. To select the best route using the metric as criteri
  • C. To send its best route to all its directly connected neighbor
  • D. To install its best route in the routing tabl

Answer: AD

NEW QUESTION 7
Using Q-in-Q Virtual Local Area Network (VLAN) stacking, how does a carrier differentiate onecustomers traffic from that of another?

  • A. The provider edge (PE) switch adds an additional field called a PE tag to the customers Layer 2 dat
  • B. The PE switch replaces the customers VLAN tag with a carrier-assigned ta
  • C. The PE switch adds a second VLAN tag to identify the customers traffic on the carriers networ
  • D. The PE switch assigns a customer-specific priority label to the customers traffi

Answer: C

NEW QUESTION 8
From the CE perspective, how does a VPLS operate?

  • A. A VPLS operates as if 2 sites are directly connected by a single cabl
  • B. A VPLS operates as if multiple sites are connected through a single switched LA
  • C. A VPLS operates as ifmultiplesites are connected through a single route
  • D. A VPLSoperatesas if multiple sites are connected through a series of private point-to-point routed connection

Answer: B

NEW QUESTION 9
Address summarization reduces the routing table size by:

  • A. Allowing a contiguous block of network addresses to be represented by one network prefi
  • B. Increasing the number of addresses in the routing tabl
  • C. Summarizing addresses in the network into smaller routing table
  • D. Not advertising directly connected route

Answer: A

NEW QUESTION 10
The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will be obtained with this mask?

  • A. 4 subnets, 64 hosts
  • B. 64 subnets, 4 hosts
  • C. 4 subnets, 62 hosts
  • D. 64 subnets, 2 hosts
  • E. 6 subnets, 30 hosts

Answer: C

NEW QUESTION 11
Kahn solved the problem of interconnecting different networks using different protocols by pioneering a new protocol called TCP that was capable of:

  • A. Secure transmission of informatio
  • B. Enforcing a constant packet size to avoid discard
  • C. Allowing remote login
  • D. Providing host to host connectivity with global addressin

Answer: D

NEW QUESTION 12
Which of the following is typically a characteristic of Layer 2 framing?

  • A. Provides a universal addressing scheme to uniquely identify destinations in the networ
  • B. The size of the Layer 2 frame cannot exceed 1518 byte
  • C. Provides error checking of the frame contents after transmissio
  • D. All the abov

Answer: C

NEW QUESTION 13
Which of the following best describes a repeater?

  • A. A passive device simply used to connect two or more cable
  • B. Does not generate or amplify any signal
  • C. A device that receives and retransmits a signal out its ports, but does not do any Layer 2 analysis of the dat
  • D. A device that receives a signal and based on the Layer 2 destination address, makes a decision on which ports the signal should be retransmitte
  • E. A device that receives a signal and based on the Layer 3 destination address, makes a decision on which ports the signal should be retransmitte

Answer: B

NEW QUESTION 14
Complete the following sentence: The introduction of the subnet address added another:

  • A. Layer of hierarchy in the addressing structur
  • B. Class to the classful addressing syste
  • C. 16-bit number to accompany the IP addres
  • D. 4,294,967,296 addresses to the IP address spac

Answer: A

NEW QUESTION 15
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 16
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 17
Which of the following is NOT a field in a TCP header?

  • A. Source por
  • B. MT
  • C. Sequence numbe
  • D. Acknowledgement numbe
  • E. Window siz

Answer: B

NEW QUESTION 18
What metric does a link state protocol use to choose the best path to a destination network?

  • A. Link bandwidt
  • B. Round trip tim
  • C. Hop coun
  • D. Route preferenc

Answer: A

NEW QUESTION 19
Which of the following type of addressing scheme delivers information from one source to all devices who are members of a specific group?

  • A. Anycas
  • B. Multicas
  • C. Broadcas
  • D. Unicas

Answer: B

NEW QUESTION 20
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 traffi
  • B. ATM and Frame-Relay are point-to-point protocols and do not support different customers or traffic type on the same physical wir
  • C. ATM and Frame-Relay are circuit switched protocols and use VLAN's to create logical separation of traffi
  • D. ATM and Frame-Relay are circuit switched protocols and use IP Header information to create logical separation of traffi

Answer: A

NEW QUESTION 21
A Class C network is defined by a:

  • A. 32-bit network prefi
  • B. 24-bit network prefi
  • C. 16-bit networ
  • D. 8-bit networ

Answer: B

NEW QUESTION 22
What does a VPLS solution look like from a customers perspective?

  • A. To the customer, it appears as if all sites are directly connected by a single cabl
  • B. To the customer, it appears as if all sites are connected through a single switched LA
  • C. To the customer, it appears as if all sites are connected through a single route
  • D. To the customer, it appears as if all sites are connected through a series of private point-to-point connection

Answer: B

NEW QUESTION 23
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 convergenc
  • B. An ADM (Add Drop Multiplexer) is used to connect various sites to the infrastructur
  • C. IP datagrams are encapsulated in a PPP frame for transmission over an SDH network,
  • D. IP datagrams are encapsulated in an Ethernet frame for transmission over a SONET networ

Answer: BC

NEW QUESTION 24
Public IP address spaces are distributed by which of the following organizations?

  • A. Network Solutions INC
  • B. IANA
  • C. IETF
  • D. ITU-T
  • E. IEEE

Answer: B

NEW QUESTION 25
In regards to the Alcatel-Lucent 7750 SR-12 router, how many of the front access card slots are dedicated for Control Processors?

  • A. 1
  • B. 2
  • C. 7
  • D. 10

Answer: B

NEW QUESTION 26
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