Wgu D315 Network And Security Foundation Already Passed

OSI layer 2 {Ans: Data Link Layer (Frame, Switch, PPP, Ethernet)}Cyber Attack - Zero Day exploit {Ans: New unheard vulnerability. Needs to be patched}Cyber Attack - Ransomware {Ans: Encrypts data. Attacker sells the key. Prevent with Virus scanner}What is a IDS {Ans: Intrusion Detection system. A system for detecting attempting intrusion. Related to intrusion prevention systems (IPS) that block suspected attacks}Cyber Attack - Man in the Middle {Ans: Eaves dropping. The data flows thru the middle man. The attacker can stop/change the data}OSI layer 3 {Ans: Network Layer (Moves packets, IP)}