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
Q109: Which IPv4 range is used for multicast?
128.0.0.0 to 191.255.255.255
240.0.0.0 to 255.255.255.255
192.168.0.0 to 192.168.255.255
224.0.0.0 to 239.255.255.255
10.0.0.0 to 10.255.255.255
Q110: Which CIDR prefix length corresponds to the subnet mask 255.255.254.0?
/17
/25
/24
/18
/23
Q111: Scenario: Which command best detects the services and versions on open ports of an authorized target?
nmap -sV target
nslookup target
ping target
arp -a
traceroute target
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