WGU D315 Network and Security
Foundation
How do we protect the application level with a firewall - Correct
Answer ✔️✔️With a proxy server, Middle man or Layer 7 firewall
Can a packet filter firewall scan the packet content? - Correct
Answer ✔️✔️No, a layer 7 or proxy is needed
What is a IDS - Correct Answer ✔️✔️Intrusion Detection
system. A system for detecting attempting intrusion. Related to
intrusion prevention systems (IPS) that block suspected attacks
What is IPS - Correct Answer ✔️✔️Intrusion Prevention System
that can block traffic if a malicious anomaly is detected
Cyber Attack - Ransomware - Correct Answer ✔️✔️Encrypts
data. Attacker sells the key. Prevent with Virus scanner
, Cyber Attack - Man in the Middle - Correct Answer ✔️✔️Eaves
dropping. The data flows thru the middle man. The attacker can
stop/change the data
Cyber Attack - Zero Day exploit - Correct Answer ✔️✔️New
unheard vulnerability. Needs to be patched
Cyber Attack - DNS tunneling - Correct Answer ✔️✔️An attacker
creates a bad server and connects it to the attacked domain name
system. If now a request comes to the attacked server, the attacker
can tunnel into the client and since dns connections are rarely
monitored, the attacker stays hidden.
Cyber Attack - XXS attack - Correct Answer ✔️✔️Cross Site
Scripting uses a web form to inject malicious code.
Cyber Attack - Social engineering - Correct Answer ✔️✔
️Convince someone to give a you access to sensitive information
Foundation
How do we protect the application level with a firewall - Correct
Answer ✔️✔️With a proxy server, Middle man or Layer 7 firewall
Can a packet filter firewall scan the packet content? - Correct
Answer ✔️✔️No, a layer 7 or proxy is needed
What is a IDS - Correct Answer ✔️✔️Intrusion Detection
system. A system for detecting attempting intrusion. Related to
intrusion prevention systems (IPS) that block suspected attacks
What is IPS - Correct Answer ✔️✔️Intrusion Prevention System
that can block traffic if a malicious anomaly is detected
Cyber Attack - Ransomware - Correct Answer ✔️✔️Encrypts
data. Attacker sells the key. Prevent with Virus scanner
, Cyber Attack - Man in the Middle - Correct Answer ✔️✔️Eaves
dropping. The data flows thru the middle man. The attacker can
stop/change the data
Cyber Attack - Zero Day exploit - Correct Answer ✔️✔️New
unheard vulnerability. Needs to be patched
Cyber Attack - DNS tunneling - Correct Answer ✔️✔️An attacker
creates a bad server and connects it to the attacked domain name
system. If now a request comes to the attacked server, the attacker
can tunnel into the client and since dns connections are rarely
monitored, the attacker stays hidden.
Cyber Attack - XXS attack - Correct Answer ✔️✔️Cross Site
Scripting uses a web form to inject malicious code.
Cyber Attack - Social engineering - Correct Answer ✔️✔
️Convince someone to give a you access to sensitive information
