Network and Security Engineer

Network Security Engineer designs, implements, and maintains the hardware and software security systems that protect an organization's computer networks and sensitive data from cyber threats

Quiz Questions

Q649: Which of the following best describes DHCP Discover?

Maps a hostname to an IPv4 address

A method that signs outgoing email so receivers can verify it was not altered

Contains administrative information about a zone such as the primary server and serial number

The broadcast a client sends to find available DHCP servers

The server message proposing an IP configuration to a client

Q650: Scenario: A SIEM rule raises 300 false alerts a day because an authorized vulnerability scanner triggers the port-scan rule. What is the best fix?

Ignore all alerts

Disable the SIEM

Reduce log retention

Delete the log sources

Exclude the authorized scanner IP from that rule

Q651: Scenario: A server answers ping but the web application is unreachable. Which test best checks whether TCP port 443 is open?

Test-NetConnection with port 443 or an nmap scan of that port

arp -a

hostname

ping only

ipconfig