CCNA 200-125 Exam: Basic Questions
Which network topology allows all traffic to flow through a central hub?
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
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?
On which type of device is every port in the same collision domain?
A. a router
B. a Layer 2 switch
C. a hub
Which MTU size can cause a baby giant error?
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