CCNA Practice Exam Question And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A |Instant Download Pdf
1. What does CCNA stand for?
A. Cisco Certified Network Associate
B. Cisco Computer Network Architect
C. Certified Computer Network Administrator
D. Certified Cisco Network Analyst
Answer: A
Rationale: CCNA stands for Cisco Certified Network Associate.
2. Which layer of the OSI model is responsible for end-to-end
communication?
A. Data Link
B. Network
C. Transport
D. Session
Answer: C
Rationale: The Transport layer provides end-to-end
communication and reliability.
3. What device forwards packets based on IP addresses?
A. Hub
B. Switch
C. Router
D. Bridge
, Answer: C
Rationale: Routers use IP addresses to forward packets between
networks.
4. Which protocol is used to automatically assign IP addresses?
A. DNS
B. DHCP
C. FTP
D. SNMP
Answer: B
Rationale: DHCP automatically assigns IP addresses to hosts.
5. Which layer of the OSI model is responsible for MAC addressing?
A. Physical
B. Data Link
C. Network
D. Transport
Answer: B
Rationale: The Data Link layer handles MAC addressing and
framing.
6. What is the default subnet mask for a Class C IP address?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.255
Answer: C
Rationale: Class C addresses use a default mask of
255.255.255.0.
, 7. Which protocol translates domain names to IP addresses?
A. DHCP
B. FTP
C. DNS
D. HTTP
Answer: C
Rationale: DNS translates domain names into IP addresses.
8. What is the maximum length of a UTP Ethernet cable?
A. 50 meters
B. 100 meters
C. 200 meters
D. 500 meters
Answer: B
Rationale: The maximum standard length is 100 meters.
9. Which command displays the IP routing table on a Cisco router?
A. show arp
B. show interfaces
C. show ip route
D. show running-config
Answer: C
Rationale: The show ip route command displays the routing
table.
10. Which topology uses a central device to connect all nodes?
A. Bus
B. Ring
C. Star
D. Mesh
Answers (Verified Answers) Plus Rationales
2026 Q&A |Instant Download Pdf
1. What does CCNA stand for?
A. Cisco Certified Network Associate
B. Cisco Computer Network Architect
C. Certified Computer Network Administrator
D. Certified Cisco Network Analyst
Answer: A
Rationale: CCNA stands for Cisco Certified Network Associate.
2. Which layer of the OSI model is responsible for end-to-end
communication?
A. Data Link
B. Network
C. Transport
D. Session
Answer: C
Rationale: The Transport layer provides end-to-end
communication and reliability.
3. What device forwards packets based on IP addresses?
A. Hub
B. Switch
C. Router
D. Bridge
, Answer: C
Rationale: Routers use IP addresses to forward packets between
networks.
4. Which protocol is used to automatically assign IP addresses?
A. DNS
B. DHCP
C. FTP
D. SNMP
Answer: B
Rationale: DHCP automatically assigns IP addresses to hosts.
5. Which layer of the OSI model is responsible for MAC addressing?
A. Physical
B. Data Link
C. Network
D. Transport
Answer: B
Rationale: The Data Link layer handles MAC addressing and
framing.
6. What is the default subnet mask for a Class C IP address?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.255
Answer: C
Rationale: Class C addresses use a default mask of
255.255.255.0.
, 7. Which protocol translates domain names to IP addresses?
A. DHCP
B. FTP
C. DNS
D. HTTP
Answer: C
Rationale: DNS translates domain names into IP addresses.
8. What is the maximum length of a UTP Ethernet cable?
A. 50 meters
B. 100 meters
C. 200 meters
D. 500 meters
Answer: B
Rationale: The maximum standard length is 100 meters.
9. Which command displays the IP routing table on a Cisco router?
A. show arp
B. show interfaces
C. show ip route
D. show running-config
Answer: C
Rationale: The show ip route command displays the routing
table.
10. Which topology uses a central device to connect all nodes?
A. Bus
B. Ring
C. Star
D. Mesh
