کامل‌ترین سوالات CCENT سیسکو (بروزرسانی 1404)

1. Which layer of the OSI model is responsible for routing data between devices on different networks?

A. Application
B. Transport
C. Network
D. Data Link

Answer: C. Network

2. What is the purpose of the ARP protocol?

A. To resolve IP addresses to MAC addresses
B. To resolve domain names to IP addresses
C. To control data flow between layers
D. To ensure secure data transmission

Answer: A. To resolve IP addresses to MAC addresses

3. What is the default subnet mask for a Class C IPv4 address?

A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.255

Answer: C. 255.255.255.0

4. Which of the following is used to determine the shortest path in a network using OSPF?

A. Distance Vector Algorithm
B. Link State Algorithm
C. Spanning Tree Protocol
D. Border Gateway Protocol

Answer: B. Link State Algorithm

5. What does VLAN stand for?

A. Virtual Local Access Network
B. Virtual LAN
C. Variable LAN
D. Virtual Loopback Network

Answer: B. Virtual LAN

6. Which command is used to verify the IP configuration of a Cisco router interface?

A. show config
B. show ip interface brief
C. show interfaces
D. show run

Answer: B. show ip interface brief

7. What is the binary equivalent of the IP address 192.168.1.1?

A. 11000000.10101000.00000001.00000001
B. 11000000.11001000.00010001.00000001
C. 11000000.10101000.00010001.00000001
D. 11001000.11000000.00000001.00000001

Answer: A. 11000000.10101000.00000001.00000001

8. Which type of IPv6 address is assigned to multiple interfaces but only delivered to the nearest one?

A. Unicast
B. Multicast
C. Anycast
D. Broadcast

Answer: C. Anycast

9. In which scenario would you use a crossover Ethernet cable?

A. Connecting a switch to a router
B. Connecting two PCs directly
C. Connecting a PC to a switch
D. Connecting a switch to a hub

Answer: B. Connecting two PCs directly

10. What is the primary purpose of a Layer 2 switch?

A. Route traffic between VLANs
B. Forward traffic based on IP addresses
C. Forward traffic based on MAC addresses
D. Provide encryption for data transmission

Answer: C. Forward traffic based on MAC addresses

11. What is the administrative distance of OSPF by default?

A. 90
B. 100
C. 110
D. 120

Answer: C. 110

12. What does a switch use to build its MAC address table?

A. The IP address of the devices
B. The source MAC address of incoming frames
C. The destination MAC address of incoming frames
D. The subnet mask of connected devices

Answer: B. The source MAC address of incoming frames

13. What is the purpose of the Spanning Tree Protocol (STP)?

A. To prevent routing loops
B. To allow redundant paths in a network without creating loops
C. To segment broadcast domains
D. To dynamically assign IP addresses

Answer: B. To allow redundant paths in a network without creating loops

14. Which command would you use to test the reachability of a remote network host?

A. ping
B. traceroute
C. netstat
D. telnet

Answer: A. ping

15. Which of the following is an example of a private IPv4 address?

A. 192.168.10.10
B. 172.32.255.255
C. 8.8.8.8
D. 132.45.67.89

Answer: A. 192.168.10.10