Cisco
CCNA
Questions & Answers
2024
Cyber Interactive L.L.C.
,Contents
Section 1 - Questions .................................................................................................................................... 3
Domain 1 - Network Fundamentals .......................................................................................................... 3
Domain 2 - Network Access .................................................................................................................... 10
Domain 3 - IP Connectivity ...................................................................................................................... 19
Domain 4 - IP Services ............................................................................................................................. 27
Domain 5 - Security Fundamentals ......................................................................................................... 35
Domain 6 - Automation and Programmability ........................................................................................ 41
Section 2 - Answers and Explanations ........................................................................................................ 48
Domain 1 - Network Fundamentals ........................................................................................................ 48
Domain 2 - Network Access .................................................................................................................... 51
Domain 3 - IP Connectivity ...................................................................................................................... 55
Domain 4 - IP Services ............................................................................................................................. 58
Domain 5 - Security Fundamentals ......................................................................................................... 62
Domain 6 - Automation and Programmability ........................................................................................ 65
,Section 1 - Questions
Domain 1 - Network Fundamentals
1. Which layer of the OSI model is responsible for error detection in packets?
A. Data Link
B. Network
C. Physical
D. Transport
2. What type of cable is typically used for short-distance connections between network devices?
A. Coaxial
B. Fiber Optic
C. Twisted Pair
D. Serial
3. What is the primary function of a router?
A. To amplify network signals
B. To connect different network segments
C. To provide remote access to devices
D. To manage network security
4. What is the default subnet mask for a Class C network?
A. 255.0.0.0
B. 255.255.255.0
C. 255.255.0.0
D. 255.255.255.255
5. What is the purpose of a default gateway in a TCP/IP network?
A. To provide a backup route if the primary route fails
, B. To connect devices within the same subnet
C. To forward traffic between different IP networks
D. To resolve domain names to IP addresses
6. What device interconnects geographically dispersed networks?
A. Switch
B. Router
C. Hub
D. Firewall
7. What is the purpose of NAT (Network Address Translation)?
A. To map public IP addresses to private IP addresses
B. To map private IP addresses to public IP addresses
C. To encrypt data transmission
D. To manage routing tables
8. What is the maximum number of IP addresses that can be assigned to hosts on a /26 subnet?
A. 64
B. 128
C. 256
D. 512
9. What OSI model layer is responsible for data segmentation and reassembly?
A. Physical
B. Data Link
C. Network
D. Transport
10. What is the purpose of a MAC address in networking?
4
CCNA
Questions & Answers
2024
Cyber Interactive L.L.C.
,Contents
Section 1 - Questions .................................................................................................................................... 3
Domain 1 - Network Fundamentals .......................................................................................................... 3
Domain 2 - Network Access .................................................................................................................... 10
Domain 3 - IP Connectivity ...................................................................................................................... 19
Domain 4 - IP Services ............................................................................................................................. 27
Domain 5 - Security Fundamentals ......................................................................................................... 35
Domain 6 - Automation and Programmability ........................................................................................ 41
Section 2 - Answers and Explanations ........................................................................................................ 48
Domain 1 - Network Fundamentals ........................................................................................................ 48
Domain 2 - Network Access .................................................................................................................... 51
Domain 3 - IP Connectivity ...................................................................................................................... 55
Domain 4 - IP Services ............................................................................................................................. 58
Domain 5 - Security Fundamentals ......................................................................................................... 62
Domain 6 - Automation and Programmability ........................................................................................ 65
,Section 1 - Questions
Domain 1 - Network Fundamentals
1. Which layer of the OSI model is responsible for error detection in packets?
A. Data Link
B. Network
C. Physical
D. Transport
2. What type of cable is typically used for short-distance connections between network devices?
A. Coaxial
B. Fiber Optic
C. Twisted Pair
D. Serial
3. What is the primary function of a router?
A. To amplify network signals
B. To connect different network segments
C. To provide remote access to devices
D. To manage network security
4. What is the default subnet mask for a Class C network?
A. 255.0.0.0
B. 255.255.255.0
C. 255.255.0.0
D. 255.255.255.255
5. What is the purpose of a default gateway in a TCP/IP network?
A. To provide a backup route if the primary route fails
, B. To connect devices within the same subnet
C. To forward traffic between different IP networks
D. To resolve domain names to IP addresses
6. What device interconnects geographically dispersed networks?
A. Switch
B. Router
C. Hub
D. Firewall
7. What is the purpose of NAT (Network Address Translation)?
A. To map public IP addresses to private IP addresses
B. To map private IP addresses to public IP addresses
C. To encrypt data transmission
D. To manage routing tables
8. What is the maximum number of IP addresses that can be assigned to hosts on a /26 subnet?
A. 64
B. 128
C. 256
D. 512
9. What OSI model layer is responsible for data segmentation and reassembly?
A. Physical
B. Data Link
C. Network
D. Transport
10. What is the purpose of a MAC address in networking?
4
