Friday, October 5, 2007

ccna 2 modul 3

1  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 * 
2 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 
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 
Sydney(config-if)# no shutdown *
*** Sydney(config-if)# ip address *
*** Sydney(config-if)# clock rate 56000 *
Sydney(config-if)# ip host Melbourne 
4 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 *
5 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 
6 Select the commands necessary to remove any existing configuration on a router. (Choose two.)
delete flash 
*** erase startup-config *
*** erase running-config *
delete NVRAM 
7 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 
8 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 
9 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. 
10 What is the effect of the command ip host HQ
permits a ping to with the command ping HQ 
assigns the description HQ to the interface with the ip address 
renames the router as HQ 
defines a static route to the host 
*** configures the remote device HQ with the ip address of *
11 What are the default settings for a serial interface? (Choose three.)
*** DTE *
*** shutdown *
*** no IP address *
clock rate 56000 
encapsulation ARPA 
12 What will be the response from the router after the command, "router(config)# hostname portsmouth" is entered?
*** portsmouth(config)# *
invalid input detected 
hostname = portsmouth
? command not recognized
13 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 
14 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
15 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. 
16 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 
17 Which are valid router prompts? (Choose three.)
*** Router(config)# *
*** Router(config-router)# *
*** Router(config-if)# *
18 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 
19 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 
20 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 *
21 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 
22 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 *

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