CCNA 200-125 Exam: Basic Questions

CCNA 200-125 Exam: Basic Questions

Question 1. Which network topology allows all traffic to flow through a central hub?
A. bus
B. star
C. mesh
D. ring

Answer: B

Question 2. What is true about Ethernet? (Choose two)
A. 802.2 Protocol
B. 802.3 Protocol
C. 10BaseT half duplex
D. CSMA/CD stops transmitting when congestion occurs
E. CSMA/CA stops transmitting when congestion occurs

Answer: B, D

Question 3. If a router has 3 hosts connected in one port and two other hosts connected in another port, how may broadcast domains are present on the router?
A. 5
B. 2
C. 3
D. 4

Answer: B

Question 4. On which type of device is every port in the same collision domain?
A. a router
B. a Layer 2 switch
C. a hub

Answer: C

Question 5. Which MTU size can cause a baby giant error?
A. 1500
B. 9216
C. 1600
D. 1518

Answer: D

Question 6. What are three characteristics of the TCP protocol? (Choose three)
A. The connection is established before data is transmitted.
B. It uses a single SYN-ACK message to establish a connection.
C. It ensures that all data is transmitted and received by the remote device.
D. It uses separate SYN and ACK messages to establish a connection.
E. It supports significantly higher transmission speeds than UDP.
F. It requires applications to determine when data packets must be retransmitted.

Answer: A ,C, D.

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