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CCNA Practice Quiz: 200-125 Quiz 3

Questions 1 - 10

1. Which of the following mechanisms are used on Ethernet networks to control access to the transmission medium? (Choose two)

Polling
Backoff
Token
Request to send/clear to send (RTS/CTS)
Collision detection
Collision avoidance

2. Which of the following is true of CSMA/CD? (Choose two)

Only devices with information to send have access to the transmission media.
A device with data to send first listens to the transmission medium to determine if it is free.
Two devices can transmit at the same time without collisions occurring.
If collisions are detected, an interrupt jam signal is broadcast to stop all transmissions.
After a collision, sending devices run the same algorithm before sending their messages again.

3. Given that an IPv4 address is a 32-bit binary number represented in four octets (four 8-bit values), which of the following are valid IP addresses? (Choose three)

137.65.1.1
172.17.1.3
224.0.0.1
10.256.1.1
256.1.1.1
137.65.1.257

4. You want to enable full duplex on your Ethernet network. Which of the following should you do?

5. An Ethernet network meets the specification for Ethernet 1000BaseT. A single server is connected to a port on the switch. The switch port is configured for auto-detect.

What is the available bandwidth on the server cable segment?

6. What is the "backoff" on an Ethernet network?

7. What is the first thing that happens when a collision occurs on an Ethernet network?

8. A workstation has been assigned the following IP addressing information:

IP address: 192.168.1.26
Subnet mask: 255.255.255.0
Default gateway: 192.168.1.254
DNS server: 192.168.1.1

Given this information, what is the IP address of the network where this host resides?

9. What is the correct decimal form of the following binary IP address?

00001010.00000000.01100100.00011101

10. What is the correct binary form of the decimal IP address 192.168.1.1?