17-20 quizzes and stuff
name the two commands that would return you to the privileged EXEC prompt regardless of the configuration mode you are in
'CTRL+ Z' and 'end'
Refer to the exhibit. A web designer calls to report that the web server web-s1.cisco.com is not reachable through a web browser. The technician uses command line utilities to verify the problem and to begin the troubleshooting process. Which two things can be determined about the problem?
DNS cannot resolve the IP address for the server web-s1.cisco.com and the web server at 192.1168.0.10 is reachable from the source host
where is the ios image file typically stored
Flash memory
which two files are loaded into RAM of a cisco switch when it is booted
IOS image file
which interface connects computers, switches, and routers for internal networking
LAN interface
during normal operation from which location do most switches run the IOS
RAM
during troubleshooting procedures form which location will most cisco routers load a limited IOS
ROM
what is a way to remotely access the command line interface (CLI) over a network interface
SSH access
when a switch is plugged in to an outlet, the POST begins. How do you know POST has been completed?
SYS LEDs rapidly blink green
what is required for a network administrator to perform out of band management tasks on a cisco device
a computer directly connected to the console port of the device
In the show running-config command, which part of the syntax is represented by running-config?
a keyword
what is the difference between the terms keyword and argument in the IOS command structure
a keyword is a specific parameter and an argument is not a predefined variable
What are two common causes of a physical layer network connectivity problem?
an ethernet cable plugged into a wrong port and a faulty ethernet cable
which interface uses telephone lines and modems to remotely manage a router?
auxiliary port
Which structured troubleshooting method should be used when a cabling problem is suspected?
bottom up
what is the correct order of the three basic steps for powering up a switch
check the components, connect the cables to the switch, and power up the switch
If your physical connection is working as expected, but there is still a problem, what would be the next step?
check your IP configuration
Which structured troubleshooting method attempts to resolve the problem by changing elements in the problem device or configuration to be consistent with a working one?
comparison
name the two ports that can be used for the initial configuration of a cisco router
console and aux
which interface uses USB or a low speed serial connection to manage network devices
console port
name the two ports typically used for device management
console port and storage port
name three interfaces that can be used to manage the router
console ports, aux ports, and management interface
A small office uses a wireless router to connect to a cable modem for internet access. The network administrator receives a call that one office computer cannot access external websites. The first troubleshooting step that the network administrator performs is to ping the wireless router from the office computer. Which troubleshooting technique does this represent?
divide and conquer
Medhat is unable to connect to a site on the internet. To begin troubleshooting, he first tests network connectivity. If that fails, he will work his way down the layers to the physical medium. If network connectivity tests succeed, he will work his way up to troubleshooting the application software. Which structured troubleshooting method is Medhat using?
divide and conquer
Patti is troubleshooting an issue on the network. Based on her past experience with similar situations, she assumes the problem is a bad IP configuration and starts troubleshooting with that. Which structured troubleshooting method is Patti using?
educated guess
Which command or key combination allows a user to return to the previous level in the command hierarchy?
exit
which switch selection factor are you typically considering when deciding between modular or fixed configurations
expandability
t/f: a router has many ethernet ports to provide access to devices on the network
false
t/f: after a problem is resolved, there is no further action you need to take
false
t/f: out of band management requires the local network connections on the device to be active
false
t/f: the lower the device is in the osi model, the more intelligent it is
false
t/f: with the spf based fiber optic port the 4321 router has 3 gigabit ethernet interfaces that can be used for data traffic
false
What is the most likely cause if you are able to ping multiple sites on the internet, but not able to open web pages?
firewall configuration
when a router is powered on, where will the router fist search for a valid IOS image to load by default
flash memory
Which structured troubleshooting method attempts to locate the issue in a device or link between the source and destination?
follow the path
which IOS mode are you in if the Switch(config)# prompt is displayed
global configuration mode
what are the two sources typically provide trouble shooting expertise
internet searches and colleagues
What command can you use to ask the DHCP server to refresh your IP addressing configuration?
ipconfig/renew
What function does pressing the Tab key have when an IOS command is entered?
it completes the remainder of a partially typed word in a command
name two networking devices that are used in enterprise networks for providing network connectivity to end devices
lan switch, and wireless action point
what is the first action in the boot sequence when a switch is powered on
load a power on self test program
which switch selection factor are you typically considering when deciding that you want the switch to be configurable
manageability
Which command would a technician use to display network connections on a host computer?
netstat
what are two statements that are true about the user EXEC mode
only some aspects of the router configuration can be viewed and the device prompt for this mode ends with the '>'
what is the correct order for the router boot up process
perform post, load bootstrap, load the IOS, load the configuration file
which IOS mode allows access to all commands and features
privileged EXEC mode
which cisco IOS mode displays a prompt of Router#
privileged EXEC mode
a console cable is also referred to by what other name
rollover cable
Immediately after a router completes its boot sequence, the network administrator wants to check the configuration of the router. From privileged EXEC mode, what two commands can the administrator use for this purpose?
show startup config and show running config
which switch selection factor are you typically considering when deciding on the type of uplink ports
speed required
Which three items should be documented after troubleshooting an internal web server crash?
steps that were performed that failed to identify the cause of the problem, steps that were performed to identify the cause of the problem, and when the problem occured
A customer called the cable company to report that the Internet connection is unstable. After trying several configuration changes, the technician decided to send the customer a new cable modem to try. What troubleshooting technique does this represent?
substitution
Allan contacts the ISP complaining of issues connecting to the internet. He is unsure of the problem. The ISP sends a new preconfigured modem to Allan in hopes that it solves the situation. Which structured troubleshooting method is the ISP using?
substitution
a technician is setting up a network in a new room. what is the best device to use to connect the PCs to each other and to the rest of the LAN
switch
when first connecting to a switch to configure it for the first time, you should answer 'no' to the initial dialog question. what is the next prompt?
switch>
what are two protocols that can be used to access a cisco switch for in band management
telnet and SSH
While troubleshooting a network problem, a network administrator issues the show version command on a router. What information can be found by using this command?
the amount of NVRAM, DRAM, and flash memory installed on the router
which information does the show startup config command display
the contents of the saved configuration file in the NVRAM
The home computer of a user is working properly. However, the user cannot access the Internet. The Internet connection is provided through a cable company. The user cannot identify the cause of the problem. Who should the user contact for further help?
the help line of the cable company
A network technician enters the command ipconfig /release followed by ipconfig /renew in order to ensure that the DHCP IP configuration on a workstation is updated. However, the workstation does not receive a valid IP configuration for the network. Which two problems may exist on the network?
there is no network connectivity to the DHCP server and there is a DHCP server issue
An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?
to interrupt the ping process
name the two functions of NVRAM
to store the startup configuration file and to retain contents when power is removed
Which structured troubleshooting method should be used when a software orientated problem occurs?
top down
A network administrator can successfully ping the server at www.cisco.com, but cannot ping the company web server located at an ISP in another city. Which tool or command would help identify the specific router where the packet was lost or delayed?
traceroute
t/f: an in band management connection requires at least one network interface on the device to be connected to the network and have an IP address configured on it
true
t/f: switches typically provide lan connectivity and routers interconnect local networks
true
which switch selection factor are you typically considering when deciding on interfaces that support twisted pair connections
type of ports
Which step should be taken next once a problem is resolved during a troubleshooting process?
update the documentation
which IOS mode are you in if the Switch> prompt is displayed
user exec mode
which interface connects to external networks usually over large distance
wan interface
A user calls the help desk to report a workstation problem. Which three questions would produce the most helpful information for troubleshooting?
what op system version is running on your workstation, if you have received an error message, and what changes have you made to your workstation
