CCNA Practice Quiz: 200-301 Quiz 4

1. Which of the following are true about Gigabit Ethernet? (Choose two)

• Uses CSMA/CA
• Uses CSMA/CD
• Uses polling
• Requires fiber optic
• Can use both copper and fiber optic

2. What is the backoff on an Ethernet network?

• A signal that a collision has occurred.
• A process that prevents collisions from occurring.
• A way to identify the maximum size of a data segment within a packet.
• The random amount of time a device waits before retransmitting after a collision.

3. Your network has been assigned 168.11.0.0 as the network address. You have determined that you need 70 subnets. Which subnet mask value should you select to provide 70 subnets?

• 255.255.255.0
• 255.255.248.0
• 255.255.252.0
• 255.255.254.0
• 255.255.240.0

4. You need to connect a router to a subnet. The subnet uses the IP address 192.168.12.0/26. You are instructed to assign the last IP address on the subnet to the router. Which IP address will you use?

• 192.168.12.30
• 192.168.12.31
• 192.168.12.14
• 192.168.12.254
• 192.168.12.15
• 192.168.12.63
• 192.168.12.255
• 192.168.12.62

5. You want to configure OSPF to run only on the interface with an IP address of 10.1.1.112/26, and you want to associate the interface with Area 3. Which of the following commands will accomplish your goal?

• network 10.1.1.0 0.0.0.255 area 3
• network 10.1.1.64 0.0.0.63 area 3
• network 10.1.1.12 255.255.255.255 area 3
• network 10.1.1.112 0.0.0.143 area 3

6. Which of the following connects two areas?

• Inter-area route
• Backbone router
• Area border router
• Internal router

7. You have physically added a wireless access point to your network and installed a wireless networking card in two laptops running Windows. Neither laptop can find the network, and you have concluded that you must manually configure the wireless access point (AP).

Which of the following values uniquely identifies the network AP?

• WEP
• SSID
• Channel
• PS

8. You have been hired to troubleshoot a wireless connectivity issue for two separate networks located within a close proximity. Both networks use a WAP from the same manufacturer, and all settings remain configured to the default with the exception of SSIDs

Which of the following might you suspect as the cause of the connectivity problems?

• The two client systems' SSIDs must match.
• Overlapping channels
• WEP overlap
• The two server systems' SSIDs match.

9. During a heavy network traffic period, the maximum traffic rate is exceeded. To handle this, QoS drops all incoming traffic. Which QoS method is being used?

• Marking
• Shaping
• Policing
• Queuing

10. Data on the network is being processed as it comes in. Which QoS method is being used?

• Best Effort
• Integrated Services
• Differentiated Services
• Classification and Marking