Exam (elaborations)
WGU D481 - Section 2 OA prep (Correctly ANSWERED).
WGU D481 - Section 2 OA prep (Correctly ANSWERED).
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WGU D481 - Section 2 OA prep (Correctly ANSWERED)Circuit-switched - Correct Answer - Creates a path between source and destination
devices
Extranet - Correct Answer - Private network for authorized external users to share
information
Internet Protocol (IP) - Correct Answer - Delivers packets across networks by
handling routing decisions
Internet Protocol (IP) Suite - Correct Answer - Another name for the TCP/IP suite
Internetworking - Correct Answer - Connecting multiple computer networks
Intranet - Correct Answer - Private, internal network
Logical Topology - Correct Answer - Shows how devices connect to a specific
segment of the network
Network Topology - Correct Answer - Map of a network and how devices are
connected
Open Systems Interconnection (OSI) Reference Model - Correct Answer -
Framework of standards for computer system communication
Packet-switched - Correct Answer - Networks that transmit packets as individual
messages
Physical Topology - Correct Answer - Physical network devices and devices used to
connect
Point-to-point Network - Correct Answer - Network consisting only of directly
connected computers and devices
Transmission Control Protocol (TCP) - Correct Answer - Guarantees reliable data
stream between two computers
Transmission Control Protocol/Internet Protocol (TCP/IP) Reference Model - Correct
Answer - Descriptive framework for computer network protocols
Transmission Control Protocol/Internet Protocol (TCP/IP) Suite - Correct Answer -
Collection that provides support to internet-capable systems and devices
,Data Link Layer - Correct Answer - Second layer of the OSI model, also called Layer
2
Bridges - Correct Answer - Network devices that interconnect two or more LANs
Ethernet - Correct Answer - Wired system for connecting devices in local area
networks
Hub - Correct Answer - Hardware device that connects multiple networking devices
IEEE 802.3 Standards - Correct Answer - Ethernet standards and protocols
established by IEEE
IEEE 802.3 CSMA/CD Standards - Correct Answer - Standard specifications for
Ethernet
Physical Layer - Correct Answer - First layer of the OSI model, also called Layer 1
Protocol - Correct Answer - Established set of rules for data transmission across
devices
Redundancy - Correct Answer - Providing alternate means for network to continue
functioning
Repeater - Correct Answer - Device that receives and amplifies a signal
Resilience - Correct Answer - Ability to continue providing acceptable service
despite challenges
Structured Wiring System - Correct Answer - Modular cable solution that is flexible
Switches - Correct Answer - Networking equipment that allows multiple devices to
communicate
Connection-oriented Protocol - Correct Answer - Sets up a connection between
source and destination
Connectionless Protocol - Correct Answer - Treats each connection individually
Datagram - Correct Answer - Packets transmitted across networks
Internet Assigned Numbers Authority (IANA) - Correct Answer - Organization
overseeing IP address allocations
Network Address Translation (NAT) - Correct Answer - Maps local private addresses
to public ones
ARPANET - Correct Answer - Computer network developed by the Department of
Defense
, Layer 2 Tunneling Protocol (L2TP) - Correct Answer - Protocol supporting virtual
private networks (VPNs)
Web Browser - Correct Answer - Protocol to link all resources together
SMTP - Correct Answer - Simple Mail Transfer Protocol (SMTP) is a TCP service that
operates on port 25 and is used for the exchange of electronic mail between
networked systems.
Spoofing - Correct Answer - Spoofing is a vulnerability associated with SMTP where
an attacker impersonates a trusted entity to gain unauthorized access.
Spamming - Correct Answer - Spamming is a vulnerability associated with SMTP
where an attacker sends unsolicited bulk emails.
TFTP - Correct Answer - Trivial File Transfer Protocol (TFTP) operates on UDP port
69 and is used to transfer router configuration files and configure cable modems.
Authentication - Correct Answer - Authentication is the process of verifying the
identity of a user or system before granting access to resources.
Firewall - Correct Answer - A firewall is a network security device that monitors and
controls incoming and outgoing network traffic based on predetermined security
rules.
Network Services - Correct Answer - Network services are the specific
functionalities and features that an organization requires to operate their network.
World Wide Web - Correct Answer - The World Wide Web (WWW) is a decentralized
and fault-tolerant computer network that allows resources to be linked together
through hyperlinks.
ARPANET - Correct Answer - ARPANET was the decentralized and fault-tolerant
computer network developed by the U.S. Department of Defense (DoD) in 1969,
which later evolved into the Internet.
URL - Correct Answer - A Uniform Resource Locator (URL) is a web address that
specifies the location of a resource on the Internet.
Web Browser - Correct Answer - A web browser is a software application that
downloads and interprets webpages formatted in Hypertext Markup Language
(HTML) and allows users to navigate the World Wide Web.
HTTP - Correct Answer - Hypertext Transfer Protocol (HTTP) is the protocol used by
web browsers to communicate with web servers and retrieve webpages.
HTTP Request - Correct Answer - An HTTP request is a message sent by a web
browser to a web server, specifying the URL and the desired action to be performed.
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