Washington Computer Networking Specialist Certification Exam Prep: Questions, Answers, and Detailed Rationales

Washington Computer Networking Specialist
Exam Questions And Correct Answer with
Rational (100% verified answer) Q & A 2026
/Instant download PDF
1. What does LAN stand for?
A. Large Area Network
B. Local Area Network
C. Long Access Node
D. Logical Array Network
Answer: B
LAN refers to a network that connects devices within a small geographic area like
an office or building.


2. Which device connects multiple networks together?
A. Switch
B. Hub
C. Router
D. Repeater
Answer: C
A router forwards data between different networks using IP addresses.


3. What is the OSI model layer responsible for routing?
A. Data Link
B. Network
C. Transport
D. Session

,Answer: B
The Network layer handles logical addressing and routing.


4. Which protocol is used for secure web browsing?
A. HTTP
B. FTP
C. HTTPS
D. SMTP
Answer: C
HTTPS encrypts communication using SSL/TLS.


5. What does IP stand for?
A. Internet Program
B. Internal Protocol
C. Internet Protocol
D. Integrated Process
Answer: C
IP is used for identifying devices on a network.


6. Which device operates at Layer 2?
A. Router
B. Switch
C. Gateway
D. Modem
Answer: B
Switches operate at the Data Link layer using MAC addresses.


7. What is a MAC address?

, A. Software ID
B. Hardware address
C. IP address
D. Port number
Answer: B
MAC is a unique hardware identifier for network interfaces.


8. Which protocol is used for email sending?
A. POP3
B. SMTP
C. IMAP
D. FTP
Answer: B
SMTP is used to send emails.


9. What does DNS do?
A. Encrypts data
B. Assigns IPs
C. Converts domain names to IP addresses
D. Routes packets
Answer: C
DNS translates domain names into IP addresses.


10. What is the default port for HTTP?
A. 21
B. 25
C. 80
D. 443