Ports

Question 1

FTP (File Transfer Protocol)

Answer 1

Ports 20 & 21

Question 2

SSH (Secure Shell - Encrypted Remote Access)

Answer 2

Port 22

Question 3

Telnet (Unsecured Remote Access)

Answer 3

Port 23

Question 4

SMTP (Simple Mail Transfer - Sending Email)

Answer 4

Port 25

Question 5

DNS (Domain Name System - Hostname to IP)

Answer 5

Port 53

Question 6

DHCP (Dynamic Host Config - Assigns IPs)

Answer 6

Ports 67 & 68

Question 7

HTTP (Unsecured Web Browsing)

Answer 7

Port 80

Question 8

POP3 (Old Email Protocol - Downloads & Deletes)

Answer 8

Port 110

Question 9

IMAP (Modern Email Protocol - Syncs Multiple Devices)

Answer 9

Port 143

Question 10

HTTPS (Secure Web Browsing)

Answer 10

Port 443

Question 11

SMB (Server Message Block - Windows File Share)

Answer 11

Port 445

Question 12

RDP (Remote Desktop Protocol)

Answer 12

Port 3389

Question 13

APIPA

Answer 13

(Automatic Private IP - DHCP Failed) 169.254.x.x

Question 14

Crimper

Answer 14

Handheld tool to attach an RJ45 connector to a cable.

Question 15

Punch-down Tool

Answer 15

Impact tool to push wires into a Patch Panel or 110 Block.

Question 16

RAID 0 (Striping)

Answer 16

Speed only. NO redundancy. (1 drive fails = all data lost).

Question 17

RAID 1 (Mirroring)

Answer 17

Redundancy. Duplicates data on 2 drives.

Question 18

RAID 5 (Striping with Parity)

Answer 18

Speed + Redundancy. Needs 3+ drives. Can lose 1 drive.

Question 19

RAID 10 (Stripe of Mirrors)

Answer 19

Fastest + Most Secure. Expensive. Needs 4+ drives.

Question 20

Laser Printer “Garbled Text”

Answer 20

Driver Issue (PCL/PostScript mismatch).

Question 21

Laser Printer “Vertical Lines”

Answer 21

Drum or Fuser issue.

Question 22

Which port is used for UNSECURED remote command line access?

Answer 22

Port 23 (Telnet) - ALWAYS use SSH instead.

Question 23

Which port converts a URL (like google.com) into an IP address?

Answer 23

Port 53 (DNS)

Question 24

Which port is used to SEND email from a client to a server?

Answer 24

Port 25 (SMTP)

Question 25

Which port is used by Windows File Explorer to share folders?

Answer 25

Port 445 (SMB)

Question 26

Which port is used for SECURE web browsing (padlock icon)?

Answer 26

Port 443 (HTTPS)

Question 27

Which protocol uses Port 3389 to let you see a remote desktop screen?

Answer 27

RDP (Remote Desktop Protocol)

Question 28

Which email protocol (143) syncs email across multiple devices?

Answer 28

IMAP (POP3 deletes it from the server).