Computer Hardware & Networking Interview MCQ Challenge
A timed, multiple-choice interview-style quiz covering core computer hardware and networking concepts. Pick the best answer for each question. (Note: This set includes 10 questions; each option maps to a result style.)
/10
Time: 90s | Marks: 1 | Which component primarily determines how many tasks a computer can process at once (in terms of cores/threads)?
CPU
RAM
GPU
NIC
/10
Time: 90s | Marks: 1 | Which memory type is volatile and used as working memory for active programs?
RAM
SSD
HDD
ROM
/10
Time: 90s | Marks: 1 | Which device forwards traffic based on MAC addresses within the same LAN?
Switch
Router
Hub
Modem
/10
Time: 90s | Marks: 1 | Which protocol is used to automatically assign IP addresses to clients?
DHCP
DNS
HTTP
SSH
/10
Time: 90s | Marks: 1 | What does DNS primarily do?
Resolves domain names to IP addresses
Encrypts web traffic
Assigns MAC addresses
Provides power to PoE devices
/10
Time: 90s | Marks: 1 | Which tool is most appropriate to test continuity in a cable?
Multimeter (continuity mode)
Packet sniffer
Disk defragmenter
Vulnerability scanner
/10
Time: 90s | Marks: 1 | Which port is used by HTTPS by default?
443
80
22
53
/10
Time: 90s | Marks: 1 | A workstation can’t reach websites by name but can reach 8.8.8.8. What’s the most likely issue?
DNS misconfiguration
Bad CPU
Insufficient PSU wattage
Monitor refresh rate mismatch
/10
Time: 90s | Marks: 1 | Which wireless security standard is currently the strongest common choice for home/SMB networks?
WPA3
WEP
WPA (TKIP)
Open (no password)
/10
Time: 90s | Marks: 1 | Which command is commonly used to test basic IP connectivity to a remote host?
ping
format
telnet (to any port) as a general ping replacement
hashcat
Hardware Hero
You’re strongest on PC components, troubleshooting, and performance basics.
Network Navigator
You’re most comfortable with TCP/IP, routing/switching basics, and network troubleshooting.
Security Sentinel
You focus on safe configurations, threat awareness, and secure networking fundamentals.
Support Specialist
You have a practical, helpdesk-friendly approach and solid all-around fundamentals.