CCNA Part 2 Module 3
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- A clear, easy to understand router ______ that is backed up regularly should be a goal of all network administrators.
- configuration
- A clear, easy to understand router configuration that is ______ up regularly should be a goal of all network administrators.
- backed
- All CLI configuration changes to a Cisco router are made from ______ mode, which is sometimes called global config.
- global configuration
- All CLI configuration changes to a Cisco router are made from global configuration mode, which is sometimes called ______.
- global config
- All CLI ______ changes to a Cisco router are made from global configuration mode, which is sometimes called global config.
- configuration
- Specific modes are used for various configuration changes, but these modes are all subsets of the ______ configuration mode.
- global
- ______ mode commands are used in a router to apply configuration statements that affect the system as a whole.
- Global configuration
- The command ______ moves the router into global configuration mode and allows entry of commands from the terminal.
- Router# configure terminal
- The prompt changes to ______ to indicate that the router is now in global configuration mode.
- Router(config)#
- Type ______ from one of the specific modes to return a router to global configuration mode.
- exit
- Pressing ______ leaves the configuration modes completely and returns the router to privileged EXEC mode.
- Ctrl-Z
- Pressing Ctrl-Z leaves the configuration modes completely and returns the router to ______.
- privileged EXEC mode
- The prompt for interface mode is ______.
- Router(config-if)#
- The prompt for subinterface mode is ______.
- Router(config-subif)#
- The prompt for controller mode is ______.
- Router(config-controller)#
- A router should be given a unique ______ as one of the first configuration tasks.
- name
- To name the router, use the _____ command.
- hostname
- After the hostname command has been used, the prompt changes to ______.
- Hostname-here(config)#
- Naming the router is done in ______ mode.
- global configuration
- By default, are all serial connections dte or dce?
- dte
- The command that shows configuration of all interfaces is ______.
- show interfaces
- Each Ethernet interface must have an ______ and subnet mask to route IP packets.
- IP address
- Each Ethernet interface must have an IP address and ______ to route IP packets.
- subnet mask
- The prompt for Map-list configuration mode looks like ______.
- Router(config-map-list)#
- The prompt for Map-class configuration mode looks like ______.
- Router(config-map-class)#
- The prompt for Line configuration mode looks like ______.
- Router(config-line)#
- The prompt for Router configuration mode looks like ______.
- Router(config-router)#
- The prompt for IPX-Router configuration mode looks like ______.
- Router(config-ipx-router)#
- The prompt for Route-map configuration mode looks like ______.
- Router(config-route-map)#
- ______ is the primary configuration mode.
- Global config
- Passwords restrict ______ to routers.
- access
- Passwords should always be configured for ______ lines and the console line.
- virtual terminal (vty)
- Passwords should always be configured for virtual terminal (vty) lines and the ______ line.
- console
- To set a password to "cisco" and require a login with it on the console line you would type in, one line at a time, ______, ______, ______.
-
Router(config)#line console 0
Router(config-line)#login
Router(config-line)#password <cisco> - A password must be set on one or more of the ______ lines for users to gain remote access to a router through Telnet.
- vty
- A password must be set on one or more of the vty lines for users to gain remote access to a router through ______.
- Telnet
- A password must be set on one or more of the vty lines for users to gain remote access to a ______ through Telnet.
- router
- The enable password is only used if the ______ has not been set.
- enable secret
- To set a password on vty lines, you would type, one line at a time, ______, ______, ______.
-
Router(config)#line vty 0 4
Router(config-line)#login
Router(config-line)#password <password > - Most Cisco routers support ______ vty lines numbered 0 through 4.
- five
- Most Cisco routers support five vty lines numbered ______.
- 0 through 4
-
True or False:
The same password is generally used for all vty lines. - true
-
True or False:
A different password is generally used for all vty lines. - false
- The ______ and enable secret commands are used to restrict access to the privileged EXEC mode.
- enable password
- The enable password and ______ commands are used to restrict access to the privileged EXEC mode.
- enable secret
- The enable password and enable secret commands are used to restrict access to the ______ mode.
- privileged EXEC
- To set a non-encrypted password to restrict access to the privileged EXEC mode you would type ______.
- Router(config)#enable password <password >
- To set an encrypted password to restrict access to the privileged EXEC mode you would type ______.
- Router(config)#enable secret <password >
- The command used to encrypt passwords in configuration output by applying a weak encryption to all unencrypted passwords is ______.
- Router(config)#service password-encryption
- What does the "Router(config)#service password-encryption" command do?
- Applies a weak encryption to all unencrypted passwords
- The enable secret <password > command uses a ______ for encryption.
- strong MD5 algorithm
- In both privileged EXEC and user EXEC modes, the command ______ provides a list of available show commands.
- show ?
- In both privileged EXEC and user EXEC modes, the command show ? provides a list of available ______ commands.
- show
- The command that displays statistics for all interfaces on a router is ______.
- show interfaces
- To view the statistics for a specific interface,(for this question use serial 0), you would type in ______.
- Router#show interfaces serial 0
- The command "show controllers serial" must also include the ______ of the serial interface.
- port or slot/port number
- The command ______ displays information that is specific to the interface hardware.
- show controllers serial
- The command that shows the time set in the router is ______.
- show clock
- The command that displays a cached list of host names and addresses is ______.
- show hosts
- The command that displays all users who are connected to the router is ______.
- show users
- The command that displays a history of commands that have been entered is ______.
- show history
- The command that displays information about flash memory and what IOS files are stored there is ______.
- show flash
-
The command that displays information about the currently loaded software version along with hardware and device information.
is ______. - show version
-
The command that displays the ARP table of the router
is ______. - show arp
-
The command that displays the global and interface-specific status of any configured Layer 3 protocols
is ______. - show protocols
- The command that displays the saved configuration located in NVRAM is ______.
- show startup-config
- The command that displays the contents of the currently running configuration file or the configuration for a specific interface, or map class information is ______.
- show running-config
- Serial interfaces require a ______ to control the timing of the communications.
- clock signal
-
To configure a serial interface follow these steps:
1. Enter ______ mode.
2. Enter interface mode.
3. Specify the interface address and subnet mask.
4. Set clock rate if a DCE cable is connected. Skip this step if a DTE cable is c - global configuration
-
To configure a serial interface follow these steps:
1. Enter global configuration mode.
2. Enter ______ mode.
3. Specify the interface address and subnet mask.
4. Set clock rate if a DCE cable is connected. Skip this step if a DTE - interface
-
To configure a serial interface follow these steps:
1. Enter global configuration mode.
2. Enter interface mode.
3. Specify the ______ and ______.
4. Set clock rate if a DCE cable is connected. Skip this step if a DTE cable is con - interface address and subnet mask
-
To configure a serial interface follow these steps:
1. Enter global configuration mode.
2. Enter interface mode.
3. Specify the interface address and subnet mask.
4. Set ______ if a DCE cable is connected. Skip this step if a DTE - clock rate
-
To configure a serial interface follow these steps:
1. Enter global configuration mode.
2. Enter interface mode.
3. Specify the interface address and subnet mask.
4. Set clock rate if a ______ cable is connected. Skip this step if - DCE
-
To configure a serial interface follow these steps:
1. Enter global configuration mode.
2. Enter interface mode.
3. Specify the interface address and subnet mask.
4. Set clock rate if a DCE cable is connected. Skip this step if a - DTE
-
To configure a ______ follow these steps:
1. Enter global configuration mode.
2. Enter interface mode.
3. Specify the interface address and subnet mask.
4. Set clock rate if a DCE cable is connected. Skip this step if a DTE cable - serial interface
- Each connected serial ______ must have an IP address and subnet mask to route IP packets.
- interface
- Each connected serial interface must have an ______ and subnet mask to route IP packets.
- IP address
- Each connected serial interface must have an IP address and ______to route IP packets.
- subnet mask
- Each connected serial interface must have an IP address and subnet mask to ______.
- route IP packets
-
Configure the IP address for a serial interface with the following two commands:
1. Router(config)#______
2. Router(config-if)#ip address <ip address > <netmask > - interface serial 0/0
-
Configure the IP address for a serial interface with the following two commands:
1. Router(config)#interface serial 0/0
2. Router(config-if)#______ - ip address <ip address > <netmask >
-
Configure the ______ with the following two commands:
1. Router(config)#interface serial 0/0
2. Router(config-if)#ip address <ip address > <netmask > - IP address for a serial interface
- In most environments, a ______ such as a CSU/DSU will provide the clock signal required to control the timing of the communications for serial interfaces.
- DCE device
- In most environments, a DCE device such as a ______ will provide the clock signal required to control the timing of the communications for serial interfaces.
- CSU/DSU
- In most environments, a DCE device such as a CSU/DSU will provide the ______ required to control the timing of the communications for serial interfaces.
- clock signal
- In most environments, a DCE device such as a CSU/DSU will provide the clock signal required to control the ______ of the communications for serial interfaces.
- timing
- On serial links that are directly interconnected, where one side must be considered a DCE and provide a clocking signal, the clock is enabled and speed is specified with the ______ command.
- clock rate
- To turn on or enable an interface, use the command ______.
- no shutdown
- By default, are interfaces are turned on or off?
- off - disabled
- Use the ______ command to turn off an interface.
- shutdown
- In the lab environment, the clockrate setting that will be used is ______.
- 56000
- To verify changes made to configuration, use the ______ command.
- show running-config
- To remove the startup configuration file use the ______ command.
- erase startup-config
- To save the configuration variables to the startup configuration file in NVRAM, enter the command ______ at the privileged EXEC prompt.
- Router#copy running-config startup-config
- To save the configuration variables to the startup configuration file in NVRAM, enter the command "copy running-config startup-config" at the ______ prompt.
- privileged EXEC
- The creation of ______ for network consistency helps reduce network complexity, unplanned downtime, and events that may affect network performance.
- standards
- The creation of standards for network consistency helps reduce network complexity, ______, and events that may affect network performance.
- unplanned downtime
- To configure an interface description, enter ______ mode. From global configuration mode, enter interface configuration mode. Use the command description followed by the information.
- global configuration
- To configure an interface description, enter global configuration mode. From global configuration mode, enter ______ mode. Use the command description followed by the information.
- interface configuration
- To configure an interface description, enter global configuration mode. From global configuration mode, enter interface configuration mode. Use the command ______ followed by the information.
- description
- A ______ is a message that is displayed at login.
- login banner
- The ______ command can be used to store the current configuration on a network TFTP server.
- copy running-config tftp
- The copy running-config tftp command can be used to store the current configuration on a network ______.
- TFTP server
- Host name resolution translates names to ______.
- IP addresses
- Unlike DNS, host names are only significant to the ______ on which they are configured.
- router
- To configure an MOTD banner, enter global configuration mode, then use the ______ command, followed by a space and a delimiting character, such as the pound sign (#). Add the new MOTD followed by a space and the delimiting character again.
- banner motd
- To configure an MOTD banner, enter global configuration mode, then use the banner motd command, followed by a space and ______. Add the new MOTD followed by a space and the ______ (same answer both blanks) again.
- a delimiting character, such as the pound sign (#)
- To configure an MOTD banner, enter global configuration mode, then use the banner motd command, followed by a space and a delimiting character, such as the pound sign (#). Add the ______ followed by a space and the delimiting character again.
- new MOTD