CEH v12 Preperation Exam Questions and Answers
What does the following NMAP command -sY/sZ - Answer-SCTP INIT/COOKIE-ECHO scans
What does the following NMAP command -sO - Answer-IP protocol scan
What does the following NMAP command -b <FTP relay host> - Answer-FTP bounce scan
What d...
CEH v12 Preperation Exam
Questions and Answers
What does the following NMAP command -sY/sZ - Answer-SCTP INIT/COOKIE-ECHO
scans
What does the following NMAP command -sO - Answer-IP protocol scan
What does the following NMAP command -b <FTP relay host> - Answer-FTP bounce
scan
What does the following NMAP command -p <port ranges> - Answer-Only scan
specified ports
In DNS what is the A record? - Answer-IP4 for a Domain
In DNS what is the AAAA record? - Answer-IP6 for a Domain
In DNS what is the NS record? - Answer-Name Server
In DNS what is the MX record? - Answer-Mail Exchange record
In DNS what is the SOA record? - Answer-Start of authority, information about domain
In DNS what is the CNAME/Alias record? - Answer-Alias for a certain domain
Order of SOA fields - Answer-name; record type; SERIAL; REFRESH; RETRY;
EXPIRE; TTL
What IPSec Modes are there? - Answer-Tunnel & Transport
What is the IPSec Transport mode protocol - Answer-ESP
What is the IPSec Tunnel mode protocol - Answer-ESP & AH
What are the IPSEC protocol ESP & AH port numbers - Answer-50 & 51
What does the following NMAP command --exclude-ports <port ranges> - Answer-
Exclude the specified ports from scanning
,What does the following NMAP command -F - Answer-Fast mode - Scan fewer ports
than the default scan
What does the following NMAP command -r - Answer-Scan ports sequentially - don't
randomize
What does the following NMAP command --top-ports <number> - Answer-Scan
<number> most common ports
What does the following NMAP command --port-ratio <ratio> - Answer-Scan ports more
common than <ratio>
What does the following NMAP command -sV - Answer-Probe open ports to determine
service/version info
What does the following NMAP command --version-intensity <level> - Answer-Set from
0 (light) to 9 (try all probes)
What does the following NMAP command --version-light - Answer-Limit to most likely
probes (intensity 2)
What does the following NMAP command --version-all - Answer-Try every single probe
(intensity 9)
What does the following NMAP command --version-trace - Answer-Show detailed
version scan activity (for debugging)
What does the following NMAP command -sC - Answer-equivalent to --script=default
What does the following NMAP command --script=<Lua scripts> - Answer-<Lua scripts>
is a comma separated list of directories, script-files or script-categories
What does the following NMAP command --script-args=<n1=v1,[n2=v2,...]> - Answer-
provide arguments to scripts
What does the following NMAP command --script-args-file=filename - Answer-provide
NSE script args in a file
What does the following NMAP command --script-trace - Answer-Show all data sent
and received
What does the following NMAP command --script-updatedb - Answer-Update the script
database.
, What does the following NMAP command --script-help=<Lua scripts> - Answer-Show
help about scripts.
What does the following NMAP command -O - Answer-Enable OS detection
What does the following NMAP command --osscan-limit - Answer-Limit OS detection to
promising targets
What does the following NMAP command --osscan-guess - Answer-Guess OS more
aggressively. Options which take <time> are in seconds, or append 'ms' (milliseconds),
's' (seconds), 'm' (minutes), or 'h' (hours) to the value (e.g. 30m).
What does the following NMAP command -T<0-5> - Answer-Set timing template (higher
is faster)
What does the following NMAP command --min-hostgroup/max-hostgroup <size> -
Answer-Parallel host scan group sizes
What does the following NMAP command --min-parallelism/max-parallelism
<numprobes> - Answer-Probe parallelization
What does the following NMAP command --min-rtt-timeout/max-rtt-timeout/initial-rtt-
timeout <time> - Answer-Specifies probe round trip time.
What does the following NMAP command --max-retries <tries> - Answer-Caps number
of port scan probe retransmissions.
What does the following NMAP command --host-timeout <time> - Answer-Give up on
target after this long
What does the following NMAP command --scan-delay/--max-scan-delay <time> -
Answer-Adjust delay between probes
What does the following NMAP command --min-rate <number> - Answer-Send packets
no slower than <number> per second
Wat runs on port 20+21 - Answer-FTP
Wat runs on port 22 - Answer-SSH
Wat runs on port 23 - Answer-TELNET
Wat runs on port 25 - Answer-SMTP
Wat runs on port 53 - Answer-DNS
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