CCNA 2, Version 3.0
MODULE 1 STUDY GUIDE
1. What does RBOC stand for?
Regional Bell Operating Companies (RBOCs)
2. What characteristics and functions does router RAM perform?
Stores routing tables
Holds ARP cache
Holds fast-switching cache
Performs packet buffering
Maintains packet-hold queues
Provides temporary and/or running memory for the router’s
Loses contents when router is powered down or restarted
3. What is a router’s major use?
A router’s main use is as a WAN device
4. What are the two main functions of a router?
The two main functions of a router are the selection of best paths
for incoming data packets and the switching of packets to the proper
5. List several internal parts of a router.
6. List several ports found on a 2600 series router.
7. What are three basic types of connections found on a router?
8. What are the common management ports?
9. What type of cable is used to attach a computer to the console port on a router ?
10. What router port is used for the initial router configuration?
11. What router ports are commonly used for LAN connections?
CCNA 2, Version 3.0
MODULE 2 STUDY GUIDE
1. What does Cisco call its operating system for routers and switches?
Cisco Internetwork Operating System, or Cisco IOS
2. What netwo</span><span class="Body-0020Text--Char" style=" font-size: 12pt;
">rk services does the Cisco IOS provide?
Basic routing and switching functions
Reliable and secure access to networked resources
3. What does CLI stand for?
4. What router mode are you in if you see this ‘router>’ a</span><span
class="Body-0020Text--Char" style=" font-size: 12pt; ">t the command prompt?
User exec mode
5. What router mode are you in if you see this ‘router#’ at the command prompt?
Privileged exec mode
6. The IOS image name has three parts to it. What are the three parts?
7. What are the three op</span><span class="Body-0020Text--Char" style=" font-
size: 12pt; ">erating environments or modes for Cisco IOS devices?
8. In what order does a router load configuration file, bootstrap, and operating
9. What is the factory default setting for the configuration register?
10. What are the default parameters for the console port on a router?
8 data bits
1 stop bit
no flow control
11. What command do you use in the user exec mode to switch to the privileged exec
m</span><span class="Body-0020Text--Char" style=" font-size: 12pt; ">ode?
12. What command can you use to display a list of commonly used commands?
13. What symbol indicates an error in the typed command?
A carat ‘^’ symbol
14. What command displays information about the Cisco IOS software version
currently running on th</span><span class="Body-0020Text--Char" style=" font-
size: 12pt; ">e router?
CCNA 2, Version 3.0
MODULE 3 STUDY GUIDE
1. ______________________ mode commands are used in a router to apply configuration statements that affect the system as a whole. Global configuration
2. What does the prompt look like when you are in the global configuration mode?
3. What router command do you enter in the privileged mode to change to global configuration?
4. How many virtual terminal lines does a typical Cisco router support? 5 virtual terminals VTY 0-4
5. What does the ‘show startup-configuration’ command do?
Displays the saved configuration located in NVRAM
6. What does the ‘show startup-configuration’ command do?
Displays the configuration currently running in RAM
7. By default, interfaces are __________________________. Turned off or disabled.
8. How do you turn on or enable an interface?
Use the no shutdown command
9. What steps do you need to follow to configure an Ethernet interface?
a. enter global configuration mode
b. enter interface configuration mode
c. specify the interface address and subnet mask
d. enable the interface
10. What is a standard?
A standard is a set of rules or procedures that are either widely used or officially specified.
11. What command would you use to add a description to an interface? description
12. _______________ is a message that is displayed at login and is useful for conveying messages that affect all network users.
13. _______________ can be displayed on all connected terminals. Message-of-the-day (MOTD)
14. What process does a computer system use to associate a host name with an IP address?
Host name resolution
CCNA 2, Version 3.0
MODULE 4 STUDY GUIDE
1. What does CDP stand for?
Cisco Discovery Protocol (CDP)
2. What layer does CDP operate at?
3. What is the primary use of CDP?
Discover all Cisco devices that are directly connected to a local device
4. What command displays CDP updates on the local device? Show cdp neighbors
5. What is the default status of CDP on Cisco IOS release 10.3 or higher?
By default, CDP is disabled
6. How do you enable CDP?
cdp enable command
7. What does Telnet do?
Telnet provides a network terminal or remote login capability
8. At what layer of the OSI model does Telnet function? Application layer 7
9. On a Cisco router, is it necessary to enter the telnet command to establish
a Telnet connection?
No, you can enter the hostname or IP address of the remote router
10. What does ping allow you to do?
Ping allows testing of end-to-end connections at the network layer.
11. How do you suspend a telnet session?
Ctrl + Shift + 6 followed by pressing the letter x
12. What command will show you what telnet sessions are taking place? Show sessions
13. What command do you use to disconnect a telnet session?
Disconnect followed by the name or IP address of the router
14. When using the ping command, what symbol indicates a successful echo? The exclamation point (!)
15. What does a period indicate with the ping command?
If one or more periods (.) are received the application on the router timed out waiting for a given packet echo from the ping target.
16. What command can you use to find where data is being sent in a network?
17. What three commands are used to perform address-related troubleshooting?