Infrastructure Maintenance Flashcards
Which protocol option should be selected to encrypt and transmit data between peer routers with high confidentiality?
Encapsulating Security Payload (ESP) in tunnel mode
Which Cisco Internetwork Operating System (IOS) command is used to define the default gateway address when IP routing is disabled in the network?
the ip default-gateway command
Which Cisco IOS command is used to configure an enable password on a router?
The enable password command
What is the first step of the Cisco router boot sequence?
Power-on Self Test (POST)
Which Cisco Internetwork Operating System (IOS) command will specify the device and configuration file used by the Cisco router to boot during initialization?
the boot config command
Which mode will a Cisco catalyst switch enter if there is no startup configuration file in the NVRAM?
initial configuration dialogue mode
What remote connection method is a secure alternative to using Telnet for remote management of devices?
secure shell (SSH)
What command is required to create a password that will be encrypted when it appears in the show run command?
enable secret
Which of the ip default-gateway, ip default-network, and ip route 0.0.0.0 0.0.0.0.0 commands is used to define gateway of last resort in the absence of IP routing?
the ip default-gateway command
Which Cisco IOS command is used to configure an encrypted enable secret password for privileged exec mode on a router?
The enable secret command
Which cipher algorithm does the service password-encryption use?
the Vigenere cipher algorithm
Which Cisco IOS show command displays information on the Cisco router’s interface card controllers?
the show controllers command
Which of the ip default-gateway, ip default-network, and ip route 0.0.0.0 0.0.0.0 commands is classfull?
the ip default-network command
What is the term for a special type of signal that enables routers to send and receive data at the correct rate?
clock rate
Which Cisco IOS command will let you see the IP address configured on the interface of directly connected remote routers on a point-to-point WAN link?
the show cdp neighbor detail command
What are the three broad guidelines in an implementation plan to provide high availability?
Plan for incremental implementation of each redundant device, require testing after every step is implemented to ensure operation during a failure, and provide rollback procedures for every step
Which Cisco Internetwork Operating System (IOS) command is used to view the configuration of system hardware, software version, and boot images?
the show version command
What is the third step of the Cisco router boot sequence?
the router locates and loads the IOS
Which protocol is used by the ping utility command to test the networking connectivity of the destination host?
Internet Control Message Protocol (ICMP)
Which interface configuration mode command will enable the administratively down interface?
the no shutdown command
Which Cisco Internetwork Operating System (IOS) command is used to view the contents of the boot environment variable and bootldr environment variable?
the show bootvar command
Which Cisco Internetwork Operating System (IOS) command is used to view the contents of flash memory?
the show flash command
Which encryption algorithm generates a set of keys which includes a public key and a private key?
Asymmetric encryption
At what router prompt is the configure terminal command executed?
router#
Which Cisco Internetwork Operating System (IOS) command is used to copy the configuration stored in Random Access Memory (RAM) to Non-Volatile Random Access Memory (NVRAM)?
the router# copy running-config startup-config command
What limitations of the service password-encryption command can prevent the protection of configuration files?
the Vigenere cipher algorithm cannot protect the configuration files against detailed analysis by attackers
What is the asymmetric encryption algorithm?
RSA
Which Cisco IOS command is used to restore the backup IOS image stored on a TFTP server to the target router?
The copy tftp flash command
In which memory does a Catalyst switch store the startup configuration file?
NVRAM
Which step should be included in a network implementation plan to provide for high availability in case of failure?
Rollback procedures should be included for every step in the implementation plan for the redundant devices
Which Cisco Internetwork Operating System (IOS) command is used to copy the configuration stored in Non-Volatile Random Access Memory (NVRAM) to Random Access Memory (RAM)?
the router# copy startup-config running-config command
Which Cisco IOS show command displays the Cisco IOS version and the software and hardware information of a Cisco router?
the show version command
Which Cisco Internetwork Operating System (IOS) command is used to view the ReadOnly and the upgrade ROM monitor image versions on the router?
the rommon> showmon command
Which Cisco Internetwork Operating System (IOS) command is used to view the information related to the system?
the show system command
Which Cisco Internetwork Operating System (IOS) command is used to view active processes on the router?
the show processes cpu command
What are the three commands that are used to configure the console password on a Cisco router?
line con 0, login, and password
Which Cisco IOS command is used to change the setting for the configuration register on the router?
The config-register command
Which IOS command will enable you to use hostname with the ping or traceroute commands in place of IP address on a Cisco router?
The ip domain-lookup command
Which Cisco Internetwork Operating System (IOS) command is used to modify the buffer size used to load the configuration file?
the boot buffersize command
Which Cisco IOS service command is used to encrypt passwords?
The service password-encryption command
What is the second step of the Cisco router boot sequence?
the router loads bootstrap code from ROM
What should be configured on a switch in order to telnet into the switch?
the Internet Protocol (IP) address
Which Cisco Internetwork Operating System (IOS) command is used to enable autoloading of configuration files from the network server?
the service config command
Which Cisco IOS show command displays information on the Cisco router’s flash memory?
the show flash command
Which Cisco Internetwork Operating System (IOS) command is used to save the running configuration in the Random Access Memory (RAM) to the flash memory of the router?
The copy running-configuration flash command
What does an amber System LED on a Cisco Catalysts switch represent?
Power-on Self Test (POST) failure
Which Cisco IOS show interface command will display the summary of all configured interfaces?
The show interface brief command
Which IOS command will enable you to specify the IP address of one more DNS servers?
The ip name-server command
Which Cisco Internetwork Operating System (IOS) command is used to view interface card controllers?
the show controllers command
What is the last step of the Cisco router boot sequence?
the router locates and loads the configuration file
Which port on a Cisco device is used to access Cisco Command Line Interface (CLI) locally?
console port
Which Cisco Internetwork Operating System (IOS) command is used to view the type of debugging enabled on the router?
the show debugging command
How many network commands can be issued under the router configuration mode on a Cisco router?
unlimited