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Networking Quiz
This for the CompTIA 1101 Core 1. Questions are MCQ with some PBQ's to further test knowledge. Please choose one answer or two depending on what the question asks. You can do this quiz timed for points or untimed if you need more time.
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Last updated: July 15, 2025
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| First submitted | July 15, 2025 |
| Times taken | 41 |
| Average score | 60.0% | Report this quiz | Report |
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1. William wants to add a Small Office/Home Office Router (SOHO) to his Local Area Network (LAN). What cable should be used between the router and the cable modem?
A. Ethernet
B. Thunderbolt
C. Coaxial
D. USB
2. How does a switch know the MAC addresses of devices that are connected to it?
Switches do not know MAC addresses
The switch learns the addresses by watching frames
An admin must program MAC-to-port table
Switches query each connected host.
3. What port numbers are used by the two HTTP protocols?
25 and 53
53 and 8080
80 and 443
110 and 53
4. You have set up all Windows systems with TCP/IP and DHCP automatic addressing. One machine is unable to connect to the network. You check its IP address with ipconfig (using the Command Line) and find the machine has an address of 169.254.12.124. All other machines on the network are fine and there are no cabling issues. How did the machine get this IP address, and what does it tell you?
The IP is assigned by Automatic IP Addressing (APIPA) and this machine is not able to access the DHCP server
IP address indicates someone manually assigned the address
Windows does not need an IP address to boot
Windows remembers the last IP address assigned and is trying to use it.
5. A customer cannot access the network printer. The technician cannot ping the ptinter from their location. Which of the following should be the next step in troubleshooting this issue?
Check toner cartridge
Reboot the client PC
Reboot the printer
Check the link lights on the router/printer NICs
6. Mohammed is on his wireless network and his laptop receives the IP address 169.254.155.2, but cannot connect to the Internet. Which of the following should Moahmmed check on the wireless router?
WPA
DHCP
WPA2
DNS
7. What feature enables a SOHO router to pass out IP addresses to network clients?
DHCP
MAC filtering
SSID broadcast
Port forwarding
8. You start up the Command Line and you run the ipconfig command your computer says you have the IP address 191.168.1.100. What class is this IP address in?
Class D
Class C
Class A
Class B
9. Which is not a wireless radio technology found in computers, tablets or phones?
RFID
Bluetooth
Infrared
NFC
10. What port number is FTP (Data)?
17
18
19
20
11. What port number is FTP (Control)?
21
22
18
19
12. What port number is SSH?
23
22
21
20
13. What port number is DNS?
50
51
52
53
14. What port number is DHCP?
67 and 68
65 and 66
69 and 70
53 and 54
15. What port number is POP3?
108
109
110
111
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