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WGU C172 Network and Security Foundations Final Certification Study Guide Exam Questions with Certified for Accuracy Answers 2024/2025 £11.36   Add to cart

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WGU C172 Network and Security Foundations Final Certification Study Guide Exam Questions with Certified for Accuracy Answers 2024/2025

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WGU C172 Network and Security Foundations Final Certification Study Guide Exam Questions with Certified for Accuracy Answers 2024/2025 Firewall - correct answer Hardware or software used to protect a computer network Access Control List (ACL) - correct answer A basic form of firewall protecti...

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WGU C172 Network and Security Foundations
Final Certification Study Guide Exam
Questions with Certified for Accuracy Answers
2024/2025

Firewall - correct answer Hardware or software used to protect a computer network


Access Control List (ACL) - correct answer A basic form of firewall protection involving
a list of permissions attached to an object
SM - correct answer Single mode


SONET/SDH - correct answer Synchronous optical network; protocol standard for
optical transmission in long-haul communication/synchronous digital hierarchy


STS - correct answer Synchronous transport signals


Tunable Laser - correct answer Laser in which the fundamental wavelength can be
shifted a few nanometers, ideal for traffic routing in DWDM systems


Vertical Cavity Surface Emitting Lasers (VCSELs) - correct answer Lasers with the
simplicity of LEDs and the performance of lasers


Packet Filtering - correct answer Protection in which a limit is placed on the information
that can enter the network


Proxy Server - correct answer A setup in which clients go through a proxy to
communicate with secure systems


Stateful Firewall - correct answer A firewall that keeps track of data packet flow

,IDS and IPS (Intrusion Detection System; Intrusion Prevention System) - correct
answer Systems that identify misuse and anomalies on a network


Packet Shaper - correct answer A device that sits between a campus network and an
outside network and is configured with a set of rules that are used to prioritize data
traffic for shaping the bandwidth


Authentication, Authorization, and Accounting (AAA) - correct answer A framework
developed to control access to computing resources, enforce policies, and audit usage


DES, 3DES, AES (Data Encryption Standard, Triple Data Encryption Standard,
Advanced Encryption Standard) - correct answer symmetrical encryption algorithms


WEP (Wired Equivalent Privacy) - correct answer wireless security protocol that
encrypts and decrypts wireless data packets;
uses RC4 algorithm for encryption but does not use a key management;
initialization vector is only 24 bits in size and is always static


WPA (Wi-Fi Protected Access) - correct answer improved wireless security protocol
that supports user authentication provided by 802.1x;
uses RC4 algorithm for encryption;
provides a key management mechanism via TKIP and file integrity monitoring


AES (Advance Encryption Standard) - correct answer encryption algorithm used by
WPA2


Wide Area Network (WAN) - correct answer A network that uses the
telecommunications network to interconnect sites that are geographically distributed
throughout a region, a country, or the world


Cable Modem - correct answer A modem that can use the high bandwidth of a cable
television system to deliver high-speed data to and from the service provider

,Client - correct answer A computer connected to a network that accesses services
from the server


Peer - correct answer A computer that uses and provides resources to a network


Peer-to-Peer Network - correct answer A network in which all computers in the network
provide similar services, including server functions


Client/Server Network - correct answer A network in which the server handles multiple
requests from multiple clients for multiple services


DNS (Domain Name Service) - correct answer The service that translates URLs to IP
addresses and vice versa


layer 3 network (routed network) - correct answer uses layer 3 addressing for selecting
routes to forward data packets


default gateway address - correct answer The IP address of the networking device
used to forward data that needs to exit the LAN


physical layer - correct answer layer 1 of the OSI model, which provides the electrical
and mechanical connection to the network


data link layer - correct answer layer 2 of the OSI model, which handles error recover,
flow control (synchronization), and sequencing


network layer - correct answer layer 3 of the OSI model, which accepts outgoing
messages and combines messages or segments into packets, adding a header that
includes routing information

, transport layer - correct answer layer 4 of the OSI model, which is concerned with
message integrity between source and destination


session layer - correct answer layer 5 of the OSI model, which provides the control
functions necessary to establish, manage, and terminate the connections


presentation layer - correct answer layer 6 of the OSI model, which accepts and
structures the messages for the application


application layer - correct answer layer 7 of the OSI model, which interacts with
application programs that incorporate a communication component such as your
internet browser and email


star topology - correct answer the most common networking topology in today's LANs,
where all networking devices connect to a central switch or hub; includes twisted-pair
cables with modular plugs which are used to connect the computers and other
networking devices


bus topology - correct answer a system in which the computers share the media;
includes coaxial cable which is looped through each networking device to facilitate data
transfer


mesh topology - correct answer connects all networking devices directly to each other
which provides full redundancy in the network paths


LAN (local area network) - correct answer network of users that share computer
resources in a limited area


topology - correct answer architecture of a network


token ring topology - correct answer a network topology configured in a logical ring that
complements the token passing protocol

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