CCNA 16-Network Security
Fundamentals Exam Actual Questions
and Answers 2026
Which component is designed to protect against unauthorized
communications to and from a computer? -
correct answer ✅firewall
Which command will block login attempts on RouterA for a period
of 30 seconds if there are 2 failed login attempts within 10
seconds? -
correct answer ✅login block- for 30 attempts 2 within 10
What is the purpose of the network security accounting function? -
correct answer ✅to keep track of the actions of a user
What type of attack may involve the use of tools such as nslookup
and fping? -
correct answer ✅recon attack
Which benefit does SSH offer over Telnet for remotely managing a
router? -
correct answer ✅Encryption
Fundamentals Exam Actual Questions
and Answers 2026
Which component is designed to protect against unauthorized
communications to and from a computer? -
correct answer ✅firewall
Which command will block login attempts on RouterA for a period
of 30 seconds if there are 2 failed login attempts within 10
seconds? -
correct answer ✅login block- for 30 attempts 2 within 10
What is the purpose of the network security accounting function? -
correct answer ✅to keep track of the actions of a user
What type of attack may involve the use of tools such as nslookup
and fping? -
correct answer ✅recon attack
Which benefit does SSH offer over Telnet for remotely managing a
router? -
correct answer ✅Encryption
