REVIEW 2026 QUESTIONS WITH ANSWERS
GRADED A+
●● nslookup.
Answer: Determines the IP address of a domain name
●● Ping.
Answer: Determines IP address and latency in network
●● Traceroute.
Answer: also known as tracert
●● netstat.
Answer: Display IP ports currently open on the Windows OS
●● Whois.
Answer: information about a webserver including contact information
●● Address Resolution Protocol.
Answer: diaplays IP to physicial (MAC) address mappings for hosts that
have been discovered in the ARP cache.
, ●● ARP.
Answer: Can be used to see what a Layer 2 MAC address corresponds to
in a Layer 3 IP address.
●● Traceroute.
Answer: displays each hop (next router) in a numerical list with the
hop's IP address and the time it takes to receive the packet.
●● Ping.
Answer: options for setting attributes of the request, like the maximum
TTL, IPv4/IPv6, and the number of requests to send.
●● Tracepath.
Answer: similar to traceroute or tracert in that it displays the path taken
by a packet from its source to its destination. Can be used by any user.
●● ARP.
Answer: The hosts need to be on the local network.
●● Nmap.
Answer: Network Mapper