CCNA Practice Quiz: 200-301 Quiz 20

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

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

2. You are a field technician for a large company. You have been sent to a remote site to troubleshoot a downed router. When you arrive at the remote site, how will you connect your laptop to the router?

• Connect the laptop's COM/USB port to the router's console port using a rollover cable
• Connect the laptop's COM/USB port to the router's console port using a straight-through cable
• Connect the laptop's COM/USB port to the router's Ethernet port using a straight-through cable
• Connect the laptop's COM/USB port to the router's console port using a crossover cable

3. You want to view the feature sets that have been enabled on a router and what types of licenses they use. Which commands can you use to do this? (Choose two; each option is a complete solution)

• show license udi
• show version
• license install
• show license
• license boot module

4. Which of the following utilities gives you the most information about the operational status of a router?

• ping
• ipconfig
• traceroute
• show ip interfaces
• telnet

5. A technician is installing a new SOHO wireless router. Which of the following is the first thing the technician should do to secure the router?

• Change the router's default password.
• Disable SSID broadcast
• Press the WPS button
• Adjust the radio power levels

6. A technician receives notification from a SOHO router manufacturer of a specific vulnerability that allows attackers to exploit SNMP traps to take over the router. The technician verifies the settings outlined in the notification.

Which of the following actions should the technician take next?

• Check for and apply firmware updates
• Disable DHCP
• Enable MAC filtering
• Enable content filtering

7. You have used the following commands at the router console to create an IP access list and switch to interface configuration mode:

Router(config)#access-list 122 permit tcp 10.6.0.0 0.0.255.255 any
Router(config)#int eth 0

Which of the following commands would you use to add the access list to this interface and filter incoming packets?

• enable access-list 122 in
• access-list 122 in
• apply access-list 122 in
• ip access-group 122 in
• access-group 122 in

8. You have just finished configuring ACL 101 and are ready to apply it to an interface. Before you do this, you would like to view the ACL to ensure there are no mistakes. Which command displays access list 101?

• show access lists detail
• show IP access list 101
• debug access-list 101
• show access-lists 101

9. Which IPsec subprotocol provides data encryption?

• Secure Sockets Layer (SSL)
• Encapsulating Security Payload (ESP)
• Authentication Header (AH)
• Advanced Encryption Standard (AES)

10. IPSec uses which method for key exchange?

• Tunnel Mode
• Diffie-Hellman
• SSL
• Rivest-Shamir-Adleman