Module 3

Subject: Module 3 Tue Nov 13, 2007 10:33 am

CCNA 2
Chapter 3

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Why is it important to create standards for network consistency? (Choose three.)

reduces network complexity *
increases unplanned downtime
limits unplanned downtime *
increases bandwidth by regulating networking performance
limits events that may impact network performance *
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A telnet session can be established when using the IP address of a router but not the name of the router. Which of the following is the most likely cause of the problem?

an incorrect host table entry *
an incorrect ARP table entry
an incorrect routing table entry
an incorrect protocol configured
an incorrect subnet mask
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The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site? (Choose three.)

Sydney(config-if)# ip address 201.100.53.2 255.255.255.0
Sydney(config-if)# no shutdown *
Sydney(config-if)# ip address 201.100.53.1 255.255.255.224 *
Sydney(config-if)# clock rate 56000 *
Sydney(config-if)# ip host Melbourne 201.100.53.2
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Which commands display information about the IOS or configuration files stored in router memory? (Choose three.)

Router# show ram
Router# show flash *
Router# show hosts
Router# show history
Router# show version *
Router# show startup-config *
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Select the interface descriptions that provide the most appropriate information. (Choose two.)

circuit number
host IP address *
telnet password *
number of hops between routers
purpose and location of the interface
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Select the commands necessary to remove any existing configuration on a router. (Choose two.)

delete flash
erase startup-config *
erase running-config *
restart
reload
delete NVRAM
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Router names are associated with IP addresses. What is the name of the table that is created by this association?

IP table
SAP table
ARP table
MAC table
HOST table *
RARP table
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Select the commands that will store the current configuration file to a network TFTP server? (Choose two.)

Router# copy run tftp
Router# copy tftp run
Router# copy running-config tftp *
Router# copy tftp running-config *
Router(config)# copy running-config tftp
Router(config)# copy tftp running-config
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Which statements are true regarding the recommended use of login banners? (Choose two.)

They should be used to display information regarding system changes or maintenance. *
They should be used to display warnings to unauthorized users. *
They should be used to display welcome messages prior to login.
They should be seen only by system administrators.
They should provide confirmation of incoming IP addresses.
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What is the effect of the command ip host HQ 192.1.1.1?

permits a ping to 192.1.1.1 with the command ping HQ
assigns the description HQ to the interface with the ip address 192.1.1.1
renames the router as HQ
defines a static route to the host 192.1.1.1
configures the remote device HQ with the ip address of 192.1.1.1 *
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What are the default settings for a serial interface? (Choose three.)

DTE *
DCE
shutdown *
no IP address *
clock rate 56000
encapsulation ARPA
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What will be the response from the router after the command, "router(config)# hostname portsmouth" is entered?

portsmouth#
portsmouth(config)# *
invalid input detected
router(config-host)#
hostname = portsmouth
portsmouth#
? command not recognized
router(config)#
===========================================================================
A network administrator wants to assure that any password that permits access to the privileged EXEC mode is not shown in plain text in the configuration files. Which commands will accomplish this task? (Choose two.)

Router(config)#enable cisco secret
Router(config)#enable cisco
Router(config)#service password-encryption *
Router(config)#enable secret cisco *
Router(config)#encrypt-all cisco
Router(config)#service encryption-password
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Which command sequence will permit access to all five router virtual terminal lines with a password of cisco?

Router(config-line)#config telnet
Router(config-line)# line vty 0 5
Router(config-line)# password cisco

Router(config)# line vty 0 4
Router(config)# password cisco

Router(config)# line vty 0 4*
Router(config-line)# password cisco
Router(config-line)# login

Router(config-line)# config telnet
Router(config-line)# password cisco
Router(config-line)# sessions 0 4
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An IP network is to be added to a router Ethernet interface. What steps must be performed to configure this interface to allow connectivity to the hosts on this LAN? (Choose two.)

Enter the command no shutdown. *
A password must be set on the interface.
The interface DCE clock rate must be set.
The interface must be configured for virtual terminal access.
The interface must be configured with an IP address and subnet mask. *
The router must be put in setup mode in order for the interface to be configured.
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What is the default state of the interfaces on a router?

up, line protocol down
down, line protocol down *
adminstratively down, line protocol down
up, line protocol up
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Which are valid router prompts? (Choose three.)

Router(privileged)#
Router(config)# *
Router(command)#
Router(config-router)# *
Router(config-if)# *
Router(exec)#
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Select the correct sequence of commands that will configure "Engineering LAN" as the interface description on the Ethernet0 interface.

1)Router# configure terminal
Router(config)# interface e0 description Engineering LAN
2)Router# configure terminal*
Router(config)# interface e0
Router(config-if)# description Engineering LAN
3)Router# configure terminal
Router(config)# interface e0
Router(config-if)# interface description Engineering LAN
4)Router# configure terminal
Router(config)# description Engineering LAN
===========================================================================
Select the recommended locations to save a running-config file. (Choose three.)

all network hosts
network server *
floppy disk *
TFTP server *
server that is not on the network
===========================================================================
Which command turns on a router interface?

Router(config-if)# enable
Router(config-if)# no down
Router(config-if)# s0 active
Router(config-if)# interface up
Router(config-if)# no shutdown *
===========================================================================
Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)

VTY interface *
console interface *
Ethernet interface
secret EXEC mode
privileged EXEC mode *
router configuration mode
===========================================================================
What must be configured to establish a serial link between two routers that are directly connected?

a clock rate on the DTE interface
a no clock rate command on the DTE interface
no configuration is required
a clock rate on the DCE interface *