net2_ch2_guide
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Section 2.1.1
1. What are the steps in a switch boot sequence?
2. You want to give a switch an IP address so you can manage it locally. What is the default interface
location for the address?
3. A switch operating system has failed to load. What type of cable is needed to connect to the switch
from a PC and correct the problem?
4. A switch port status LED is alternating between green and amber. What does this indicate?
5. After a switch boots it has a Switch> prompt. What does this indicate about the boot process?
6. What will you accomplish if you enter these commands on a switch:
Switch(config)# interface vlan1
Switch(config-if)# ip address 192.168.14.1 255.255.255.0
Switch(config-if)# no shutdown
7. How do you set an IP address on the default VLAN (VLAN1) for a switch?
Section 2.1.2
8. List the characteristics of full-duplex Ethernet.
9. Why would you use the auto-MDIX setting on a switch interface?
10. What command will tell you if the auto-MDIX setting is turned on for a specific interface?
11. The report from the show interface command indicates there are excessive CRC errors. What does
this mean?
12. Describe “Full-duplex” communication between two PCs connected to a switch.
Section 2.2.1
13. What switch commands would allow an SSH connection and not allow a Telnet connection?
Section 2.2.2
14. What type of packets are sent by CDP? What devices can “see” them?
15. How does a DHCP starvation attack work?
16. What needs to be configured so that a MAC address flooding attack cannot happen?
Section 2.2.3
17. What are the two basic purposes of network security tools?
Section 2.2.4
18. A switch port has been shut down due to a security violation. How do you bring the port back up?
19. Describe in detail how and why the ip dhcp snooping trust command is used.
20. Explain the purpose of each of these commands:
switchport port-security
switchport port-security maximum 2
switchport port-security mac-address sticky
21. What does it mean when the security action setting is “protect?”
22. What is the default violation mode when port security is enabled on a switch port?
23. Describe two characteristics of switch port security.