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APT2050 COMPUTER NETWORKS AND TELECOMMUNICATIONS EXAM practice questions with verified solutions; Graded A+ $9.99   Add to cart
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APT2050 COMPUTER NETWORKS AND TELECOMMUNICATIONS EXAM practice questions with verified solutions; Graded A+
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  • APT2050

This document contains a computer networks & telecommunications model examination with final exam review questions and answers. It tests knowledge on various computer networks topics

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  • November 14, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • apt2050 computer networks and telecommunications
  • exam questions with correct answers

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COMPUTER NETWORKS AND
TELECOMMUNICATIONS EXAM WITH
VERIFIED SOLUTIONS



Intranet - a network designed for the exclusive use of computer users within an
organization that cannot be accessed by users outside the organization

Extranet - An extranet is similar to an intranet except that it is extended to users outside
a company, and possibly to entire organizations that are separate from or lateral to the
company.

VPN (Virtual Private Network) - a connection between two or more computers or
devices that are not on the same private network.

In order to ensure that only the proper users and data sessions cross to a VPN device,
data encapsulation and encryption are used.

A "tunnel' is created, so to speak, through the LANs and WANs that might intervene.

VPN protocols - Point-to-Point Tunneling Protocol (PPTP),
Layer Two Tunneling Protocol (L2TP),
Internet Protocol Security (IPSec)

Point-to-Point Tunneling Protocol (PPTP) - Point-to-Point Tunneling Protocol (PPTP) is
the more commonly used protocol, but it is also the less secure option.

PPTP generally includes security mechanisms, and no additional software or protocols
need to be loaded.

A VPN device or server that allows incoming PPTP connections must have inbound port
1723 open.
PPTP works within the point-to-point protocol (PPP), which is also used for dial-up
connections.

L2TP with IPSec - Layer 2 Tunneling Protocol (L2TP) is quickly gaining popularity due
to the inclusion of IPsec as its security protocol.

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