Network Engineering and Security Flashcards
6 cards from real IKM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Network Engineering and Security flashcards as text
What is a DDoS attack?
Answer: Overwhelming a target with traffic from multiple sources
DDoS uses multiple compromised systems to flood a target, making it unavailable.
What is the principle of least privilege?
Answer: Grant only the minimum access rights needed for job functions
Users and systems should only have minimum permissions necessary.
What is PKI?
Answer: Framework for managing digital certificates and encryption keys
PKI provides infrastructure for creating, managing, and revoking digital certificates.
What is the difference between symmetric and asymmetric encryption?
Answer: Symmetric uses one shared key; asymmetric uses a public-private key pair
Symmetric uses the same key for both operations; asymmetric uses a mathematically related key pair.
What is multi-factor authentication?
Answer: Two or more verification factors from different categories
MFA requires factors from different categories: something you know, have, or are.
What is a zero-day vulnerability?
Answer: Unknown flaw exploited before a patch exists
A zero-day is exploited before the vendor knows about it or has a patch.