NETWORKING & INTERNET TECHNOLOGIES EXAM
LATEST 2026 UPDATE 100 QUESTIONS AND
DETAILED VERIFIED ANSWERS FROM ACTUAL
EXAMS TEST GRADE A+
1. What does LAN stand for?
A. Large Area Network
B. Local Area Network
C. Logical Access Network
D. Linked Area Node
Answer: B. Local Area Network
Rationale: LAN refers to a network that connects computers within a small
geographical area such as a room, building, or campus.
2. Which device connects different networks together?
A. Switch
B. Hub
C. Router
D. Repeater
Answer: C. Router
Rationale: A router directs data between different networks using IP addresses.
3. What protocol is used to browse the web?
A. FTP
B. HTTP
,C. SMTP
D. TCP
Answer: B. HTTP
Rationale: HTTP (HyperText Transfer Protocol) is used to transfer web pages.
4. Which layer of the OSI model handles routing?
A. Data Link Layer
B. Network Layer
C. Transport Layer
D. Session Layer
Answer: B. Network Layer
Rationale: The Network Layer is responsible for logical addressing and routing.
5. What does IP stand for?
A. Internet Program
B. Internal Protocol
C. Internet Protocol
D. Interconnected Path
Answer: C. Internet Protocol
Rationale: IP defines addressing and routing of packets across networks.
6. Which device amplifies network signals?
A. Router
B. Switch
C. Repeater
D. Gateway
,Answer: C. Repeater
Rationale: A repeater boosts weak signals to extend network distance.
7. What is the default port for HTTP?
A. 21
B. 25
C. 80
D. 110
Answer: C. 80
Rationale: HTTP commonly uses port 80 for communication.
8. Which protocol is used for sending emails?
A. FTP
B. SMTP
C. HTTP
D. DHCP
Answer: B. SMTP
Rationale: Simple Mail Transfer Protocol is used for email transmission.
9. What does DNS stand for?
A. Data Network System
B. Domain Name System
C. Digital Network Service
D. Domain Node Server
Answer: B. Domain Name System
Rationale: DNS translates domain names into IP addresses.
, 10. Which topology uses a central hub?
A. Bus
B. Ring
C. Star
D. Mesh
Answer: C. Star
Rationale: In star topology, all devices connect to a central hub.
11. What is the main function of a switch?
A. Broadcast data
B. Route packets
C. Forward data to correct device
D. Store IP addresses
Answer: C. Forward data to correct device
Rationale: A switch sends data only to the intended recipient device.
12. Which protocol is connection-oriented?
A. UDP
B. IP
C. TCP
D. ICMP
Answer: C. TCP
Rationale: TCP ensures reliable, ordered data delivery.
13. What does URL stand for?
A. Uniform Resource Locator
B. Universal Routing Link
LATEST 2026 UPDATE 100 QUESTIONS AND
DETAILED VERIFIED ANSWERS FROM ACTUAL
EXAMS TEST GRADE A+
1. What does LAN stand for?
A. Large Area Network
B. Local Area Network
C. Logical Access Network
D. Linked Area Node
Answer: B. Local Area Network
Rationale: LAN refers to a network that connects computers within a small
geographical area such as a room, building, or campus.
2. Which device connects different networks together?
A. Switch
B. Hub
C. Router
D. Repeater
Answer: C. Router
Rationale: A router directs data between different networks using IP addresses.
3. What protocol is used to browse the web?
A. FTP
B. HTTP
,C. SMTP
D. TCP
Answer: B. HTTP
Rationale: HTTP (HyperText Transfer Protocol) is used to transfer web pages.
4. Which layer of the OSI model handles routing?
A. Data Link Layer
B. Network Layer
C. Transport Layer
D. Session Layer
Answer: B. Network Layer
Rationale: The Network Layer is responsible for logical addressing and routing.
5. What does IP stand for?
A. Internet Program
B. Internal Protocol
C. Internet Protocol
D. Interconnected Path
Answer: C. Internet Protocol
Rationale: IP defines addressing and routing of packets across networks.
6. Which device amplifies network signals?
A. Router
B. Switch
C. Repeater
D. Gateway
,Answer: C. Repeater
Rationale: A repeater boosts weak signals to extend network distance.
7. What is the default port for HTTP?
A. 21
B. 25
C. 80
D. 110
Answer: C. 80
Rationale: HTTP commonly uses port 80 for communication.
8. Which protocol is used for sending emails?
A. FTP
B. SMTP
C. HTTP
D. DHCP
Answer: B. SMTP
Rationale: Simple Mail Transfer Protocol is used for email transmission.
9. What does DNS stand for?
A. Data Network System
B. Domain Name System
C. Digital Network Service
D. Domain Node Server
Answer: B. Domain Name System
Rationale: DNS translates domain names into IP addresses.
, 10. Which topology uses a central hub?
A. Bus
B. Ring
C. Star
D. Mesh
Answer: C. Star
Rationale: In star topology, all devices connect to a central hub.
11. What is the main function of a switch?
A. Broadcast data
B. Route packets
C. Forward data to correct device
D. Store IP addresses
Answer: C. Forward data to correct device
Rationale: A switch sends data only to the intended recipient device.
12. Which protocol is connection-oriented?
A. UDP
B. IP
C. TCP
D. ICMP
Answer: C. TCP
Rationale: TCP ensures reliable, ordered data delivery.
13. What does URL stand for?
A. Uniform Resource Locator
B. Universal Routing Link
