Chapter 5: Router and IOS Basics
TRUE/FALSE
1. Routers operate at the Application layer of the OSI reference model.
2. In addition to the AUX and the console ports, you can use five virtual terminals (VTY) to configure a
Cisco router.
3. The system configuration dialog presents a series of prompts that guide you through the initial
configuration for the router.
4. The enable password is stored in an encrypted form for increased security.
5. The content of ROM is maintained even when the router is rebooted.
MULTIPLE CHOICE
1. Network administrators typically access the router directly through the console port (also known as the
____) located on the back of the router.
a.
DB-9
c.
console
b.
VTY
d.
AUX
2. The console port connects directly to a PC through a(n) ____ rollover cable
a.
RJ-45 to RJ-10
c.
RJ-9 to RJ-45
b.
RJ-45 to RJ-45
d.
RJ-9 to RJ-10
3. The ____ port allows a remote administrator to dial into the router through an external modem.
a.
auxiliary
c.
virtual
b.
console
d.
terminal
4. You can access the system configuration dialog by typing the ____ command at the privileged EXEC
prompt.
a.
init
c.
dialog
b.
config
d.
setup
5. By default, a Cisco router’s host name is ____.
a.
host
c.
cisco01
b.
router
d.
tiger
6. When the prompt displayed is the greater than symbol, the router is in ____ EXEC mode.
a.
privileged
c.
superuser
b.
admin
d.
user
7. User mode does not allow you to configure the router. To do this, you must go into the ____ EXEC
mode.
a.
privileged
c.
user
b.
config
d.
router
8. To enter privileged EXEC, you can type the ____ command at the user mode prompt.
a.
sudo
c.
enable
b.
setup
d.
privileged
9. With ____ configuration mode, you can configure the virtual terminals, console, and AUX lines that
let you access the router.
a.
global
c.
router
b.
interface
d.
line
10. If you want to remove the enable secret password, you can type ____ at the global configuration mode
prompt.
a.
enable secret off
c.
no enable secret
b.
enable off
d.
no secret
11. The editing command ____ moves the cursor to the end of the current line.
a.
Ctrl+E
c.
Esc+B
b.
Ctrl+F
d.
Esc+F
12. The editing command ____ moves the cursor one character to the right.
a.
Ctrl+E
c.
Esc+B
b.
Ctrl+F
d.
Esc+F
13. The ____ command is typically used as a legal means of warning anyone who accesses the banner that
they will be held accountable.
a.
banner legal
c.
banner motd
b.
legal motd
d.
motd on
14. You can configure a description for each of the interfaces physically attached to your router by using
the ____ command.
a.
banner
c.
motd
b.
description
d.
interface
15. Use the ____ command in enable mode to configure the time.
a.
clock set
c.
clock on
b.
time set
d.
time on
16. ____ is a type of erasable, programmable, read-only memory (EPROM).
a.
ROM
c.
DRAM
b.
NVRAM
d.
Flash memory
17. ____ contains the working copy of the current Cisco IOS and is the component that initializes the IOS
for normal router operations.
a.
ROM
c.
DRAM
b.
Flash memory
d.
NVRAM
18. ____ is a special type of RAM that is not cleared when the router is rebooted.
a.
DRAM
c.
ROM
b.
Flash memory
d.
NVRAM
19. The startup configuration file for the router is stored in ____ by default.
a.
NVRAM
c.
flash memory
b.
ROM
d.
DRAM
20. Random access memory (RAM), also known as ____, is a volatile hardware component because its
information is not maintained in the event of a router reboot.
a.
ROM
c.
DRAM
b.
NVRAM
d.
EPROM
21. The command ____ displays the current startup configuration file on the router, which is stored in
NVRAM.
a.
show running–config
c.
show buffers
b.
show memory
d.
show startup–config
COMPLETION
1. Network administrators commonly configure and interact with a Cisco router via the Cisco
____________________.
2. Privileged EXEC mode is called ____________________ mode because you must enter the enable
command to access it.
3. You can turn off the enhanced editing features by typing ____________________ at either the user
EXEC or the privileged EXEC prompts.
4. When entering the time zone, you must include the name of the time zone and the offset from the
____________________.
5. A router’s ____________________ loads the bootstrap program that initializes the router’s basic
hardware components.
MATCHING
Match each item with a statement below:
a.
Cisco IOS
f.
login command
b.
EXEC
g.
Ctrl+A
c.
CiscoWorks
h.
Banner
d.
Global configuration mode
i.
Interface description
e.
Interface configuration mode
1. specifies that users must log in when they access the console line
2. helps you remember which network the interface services
3. network management software used to manage Cisco routers
4. allows you to configure the Ethernet and serial interfaces on your router
5. editing command that moves the cursor to the beginning of the current line
6. the software that interprets the Cisco IOS commands
7. basic configuration mode in Cisco IOS
8. provides a command-line interface (CLI), which allows network operators to check the status of the
router and network administrators to manage and configure the router
9. message that you can configure to display each time someone attempts to log in to the router
SHORT ANSWER
1. What are some of the benefits of routing?
2. What are some of the tasks that can be performed at the privileged EXEC mode?
ANS:
3. How can you set both the enable password and the enable secret password?
4. Describe the command history feature.
5. How can you configure a router host name?
6. How can you configure a router’s banner?
7. Describe the router’s ROM.
8. Describe a router’s flash memory.
9. Describe a router’s NVRAM component.
10. What are some of the types of interfaces in a Cisco router?