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WGU C172 Network and Security study Guide Questions with verified Answers updated 2024/2025 $12.99   Add to cart

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WGU C172 Network and Security study Guide Questions with verified Answers updated 2024/2025

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WGU C172 Network and Security study Guide Questions with verified Answers updated 2024/2025 Spoofing - correct answer convinces system it is communicating with a known trusted entity. Gives attacker access to system. Denial-of-service - correct answer prevent legitimate users from accessing t...

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  • November 2, 2024
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  • WGU C172 Network & Security
  • WGU C172 Network & Security
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WGU C172 Network and Security study Guide
Questions with verified Answers updated
2024/2025

Spoofing - correct answer convinces system it is communicating with a known trusted
entity. Gives attacker access to system.


Denial-of-service - correct answer prevent legitimate users from accessing the
resource by sending an overwhelming amount of data to the target server


Ping of Death - correct answer a trick whereby the attacker would send the victim a
malformed ICMP packet that would cause the victim's computer to crash or stop
functioning on the network.


Ping flood - correct answer overwhelms a victim's computer with an immense volume
of ICMP echo-request packets, all containing a forged, randomized source address.


Smurf - correct answer IP spoofing attacks ICMP, causes to ping indefinitely.


Social engineering (hack a human) - correct answer the art of manipulating human
trust to gain access or information


Phishing - correct answer Emails appear to be from trusted source. Spear phishing is
more personal and relevant.


Vulnerabilities - correct answer -Poor security measures
-Weak or default passwords
-Misconfigured Firewall Rules
-Personal devices on within the network
-Advanced persistent threats

,-Zero-day


Man-in-the-middle (MitM) attack - correct answer A hacker hijacks a session between
trusted client and network server.


Session hijacking - correct answer Attacking computer substitutes its IP address for IP
client. Server keeps going with communication.


IP spoofing - correct answer convinces system it is communicating with a known
trusted entity. Gives attacker access to system.


Replay: - correct answer Attacker intercepts old messages and tries to send them later,
impersonating a participant.


Brute-force - correct answer Method of using a random approach to gain access


Dictionary - correct answer Method of using common passwords to gain access


SQL Injection attack - correct answer Common issue with database-driven websites.
Malefactor executes SQL query to database via the input data from client to server SQL.


Trojans - correct answer malware that hides in a useful program


CIA Triad - correct answer -Confidentiality: the access to information should be granted
only on a need-to-know basis.
-Integrity: the information should not be tampered with from source to destination.
-Availability: The services of an organization should be available.


VPN - correct answer device creates an encrypted tunnel between itself and a same
keyed partner across the internet or insecure channel.

,Firewall - correct answer -A part of a computer system or network designed to block
unauthorized access while permitting outward communication.
-protection for one network from another.


Packet Filter Firewall - correct answer -Operates at layers 3 and 4 or the OSI network
model
-Protocol (typically IP)
-Source IP address
-Destination IP address
-Source TCP or UDP port number
-Destination TCP or UDP port number


Circuit-Level Gateways - correct answer a device that operates as a middleman
between two or more systems to help conceal the true identity of the client and server


Stateful Inspection - correct answer -Operates at OSI layers 3-5
-allows a firewall to identify traffic as conversational and automatically create temporary
firewall rules to permit the response traffic to flow back to the sender


Application Level Firewall - correct answer Layer-7 because application is the seventh
layer of the OSI mode


IDS - correct answer designed to monitor both inbound and outbound data traffic and
report on any suspicious activity that could indicate an attack.


IPS - correct answer has the capability to stop or prevent malicious attacks that it
detects in real time by interacting with the firewall


RPC attack solution - correct answer Layer5 attack; mitigate with regular OS and
application patching

, SQL (Structured Query Language) Injection attack solution - correct answer Layer 7
attack; mitigate by leveraging a reverse proxy system and scanning incoming packets
for malicious behavior


MITMA (man in the middle attack) solution - correct answer Layer 6 attack; mitigate by
using an application-layer proxy or an IPS, and train users about fake security certicates


Port scanner solution - correct answer Layer 4 attack; mitigate by using a packet-
filtering firewall


Ping sweep solution - correct answer Layer 3 attack; mitigate by using a packet-
filtering firewall


VLAN hopping solution - correct answer Layer 2 attack; mitigate by configuring VLAN
tagging per the switch vendor's recommendations


Wiretapping solution - correct answer Layer 1 attack; mitigate by looking for physical
vulnerabilities, check locks on doors, racks, and wiring closets


Intrusion Detection System Differences - correct answer -Monitors the network to
detect threats
-Listens passively on the network
-Alerts network admin of any detected suspicious behavior


Intrusion Preventions System Differences - correct answer -Intercepts and blocks
threats
-Has many network ports to operate as input/output pairs
-Has cables routed physically through devices to create chock points


IDS and IPS Similarities - correct answer -Identifies malicious traffic
-Available as virtual and host-based applications

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