Download Nokia Scalable IP Networks.4A0-100.Pass4Sure.2019-11-18.159q.vcex

Vendor: Nokia
Exam Code: 4A0-100
Exam Name: Nokia Scalable IP Networks
Date: Nov 18, 2019
File Size: 1 MB
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Demo Questions

Question 1
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 2
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 3
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 4
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
Question 5
Which of the following statements best describes ARPANET?
  1. ARPANET was an early packet switched network initially connecting 4 sites (Stanford, UC Santa Barbara, UCLA, and U of Utah).
  2. The mission of ARPANET was to connect packet switched networks and other diverse networks, making an international network of networks.
  3. ARPANET connected sites spread around the Hawaiian Islands to a central time-sharing computer on the University of Hawaii campus.
  4. ARPANET was based on the use of TCP/IP to interconnect diverse systems.
Correct answer: A
Question 6
Kahn solved the problem of interconnecting different networks using different protocols by pioneering a new protocol called TCP that was capable of:
  1. Secure transmission of information.
  2. Enforcing a constant packet size to avoid discards.
  3. Allowing remote logins.
  4. Providing host to host connectivity with global addressing.
Correct answer: D
Question 7
Which network was created to replace ARPANET?
  1. INWG
  2. ALOHANET
  3. IETF
  4. NSFNET
Correct answer: D
Question 8
Which statement best describes how the internet evolved?
  1. The internet emerged in the commercial world in the 1980’s following the US military’s adoption of TCP/IP in 1983.
  2. The internet evolved from a military to a research to a commercial based network.
  3. The internet remained primarily a research based network and was only commercially adopted in 2000 when the world wide web was conceived.
  4. Internet service providers provided the services necessary for military based networks to evolve into research and education based networks.
Correct answer: B
Question 9
What is the name for an organization that provides Internet services to its customers?
  1. A large corporation.
  2. An ISP.
  3. A home based business.
  4. A content provider.
Correct answer: B
Question 10
To transmit its segments of data across the network TCP uses the services of which layer?
  1. Application Layer.
  2. Transport Layer.
  3. IP Layer.
  4. Data Link Layer
Correct answer: C
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