Download Nokia Scalable IP Networks.4A0-100.ExamLabs.2019-02-21.223q.vcex

Vendor: Nokia
Exam Code: 4A0-100
Exam Name: Nokia Scalable IP Networks
Date: Feb 21, 2019
File Size: 2 MB
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Demo Questions

Question 1
You are configuring your Alcatel-Lucent 7750SR Service Router from the Command Line Interface (CLI), and after entering a lengthy command, wish to return directly to the ROOT context. Which control command allows you to do this quickly?
  1. Ctrl-z
  2. Ctrl-c
  3. Esc
  4. Shift-Page Down
Correct answer: A
Question 2
Which of the following best describes a repeater?
  1. A passive device simply used to connect two or more cables. Does not generate or amplify any signals.
  2. A device that receives and retransmits a signal out its ports, but does not do any Layer 2 analysis of the data.
  3. A device that receives a signal and based on the Layer 2 destination address, makes a decision on which ports the signal should be retransmitted.
  4. A device that receives a signal and based on the Layer 3 destination address, makes a decision on which ports the signal should be retransmitted.
Correct answer: B
Question 3
How do protocols such as ATM and Frame-Relay support differentiating multiple customers or traffic types on the same physical wire?
  1. ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical separation of traffic.
  2. ATM and Frame-Relay are point-to-point protocols and do not support different customers or traffic type on the same physical wire.
  3. ATM and Frame-Relay are circuit switched protocols and use VLAN's to create logical separation of traffic.
  4. ATM and Frame-Relay are circuit switched protocols and use IP Header information to create logical separation of traffic.
Correct answer: A
Question 4
Which of the following is a feature of Layer 3?
  1. Provides an universal addressing scheme
  2. Ensures data is delivered across the Layer 2 network.
  3. Provides reliable data transfers.
  4. Provides a physical interface to the network.
Correct answer: A
Question 5
The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will you obtain with this mask?
  1. 4 subnets, 64 hosts
  2. 64 subnets, 4 hosts
  3. 4 subnets, 62 hosts
  4. 64 subnets, 2 hosts
  5. 6 subnets, 30 hosts
Correct answer: C
Question 6
What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?
  1. Details of the configuration settings of each router on the network.
  2. A list of other DHCP clients.
  3. IP addresses and their lease times.
  4. Server time information
Correct answer: C
Question 7
Choose two true statements that characterize Link State Routing
  1. Routers send a copy of their routing table to their neighbors periodically.
  2. Routers flood link information throughout the entire area.
  3. Network converges quickly (within several seconds) after a topology change.
  4. Routers do not have precise knowledge of the entire network topology.
Correct answer: BC
Question 8
Which statement accurately explains the purpose of the TCP protocol and what it provides?
  1. The primary purpose of TCP is to provide reliable communications between application services.
  2. The primary purpose of TCP is to provide unreliable communications between application services
  3. The primary purpose of TCP is to provide IP routing between application services.
  4. The primary purpose of TCP is to define the correct format for the application layer such as JPEG or HTML.
Correct answer: A
Question 9
Which of the following is the best description of well known ports?
  1. Well known ports apply to routers only and are used for communication and control traffic. Well known port numbers are assigned by IANA and can have any value.
  2. Well known ports are used by TCP and UDP. Well known port numbers range from 1024 to 65535 and are assigned by IANA.
  3. Well known port numbers are used by both TCP and UDP. Well known port numbers range from 1 to 1023 and are assigned by IANA.
  4. Well known ports numbers are used by TCP only. Well known port numbers are assigned by IANA and can have any value.
Correct answer: C
Question 10
Which organization first considered cross-platform networking support to be a necessity?
  1. IBM.
  2. US Military.
  3. Alcatel-Lucent.
  4. NASA.
  5. Bell Labs
Correct answer: B
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