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CCNA 2, Version 3

By Herman Watson,2014-06-17 08:09
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CCNA 2, Version 3 ...

    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

    configuration file

    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

    outgoing interface.

    5. List several internal parts of a router.

    CPU

    RAM

    Flash

    NVRAM

    Buses

    ROM

    Interfaces

    Power supply

    6. List several ports found on a 2600 series router.

    Serial ports

    FastEthernet ports

    Console ports

    Auxiliary ports

    7. What are three basic types of connections found on a router?

    LAN connections

    WAN connections

    Management ports

    8. What are the common management ports?

    Console port

    Auxiliary port

    9. What type of cable is used to attach a computer to the console port on a router ?

    Rollover cable

    10. What router port is used for the initial router configuration?

    Console port

    11. What router ports are commonly used for LAN connections?

    Ethernet

    FastEthernet

    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

    Network scalability

    3. What does CLI stand for?

    Command-line interface

    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?

    Platform

    Features

    format

    7. What are the three op</span><span class="Body-0020Text--Char" style=" font-

    size: 12pt; ">erating environments or modes for Cisco IOS devices?

    ROM monitor

    Boot ROM

    Cisco IOS

    8. In what order does a router load configuration file, bootstrap, and operating

    system?

    Bootstrap

    Operating system

    Configuration file

    9. What is the factory default setting for the configuration register?

    0x2102

    10. What are the default parameters for the console port on a router?

    9600 baud

    8 data bits

    no parity

    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?

    enable

    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?

show version

    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?

    Router(config)#

    3. What router command do you enter in the privileged mode to change to global configuration?

    Configure terminal

    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.

    Login banner

    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?

    Layer 2

    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?

    traceroute

    17. What three commands are used to perform address-related troubleshooting?

    ping

    telnet

    traceroute

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