Network Essentials Mod 17-20

Which two ports can be used for the initial configuration of a Cisco router? (Choose two.)

- AUX - console

Which keys act as a hot key combination that is used to interrupt an IOS process?

Ctrl-Shift-6

A network administrator issues the Switch# show running-config command on a Cisco switch. Which term is used to describe the part " running-config" in the command?

keyword

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

Which utility can be used to view a list of open TCP connections on Linux or Windows systems?

netstat

Choose the correct order for the router boot up process.

perform POST, load bootstrap, load the IOS, load the configuration file

Which command can be used to verify connectivity between two host devices?

ping

What type of cable is used to connect a workstation serial port to a Cisco router console port?

rollover

A console cable is also referred to by what other name?

rollover cable

A network administrator is troubleshooting inter-connection issues between routers. Which show command can be used to check the bandwidth and MTU settings of an interface?

show interfaces

Which switch selection factor are you typically considering when deciding on the type of uplink ports?

speed required

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

What is the purpose of assigning an IP address to the VLAN1 interface on a Cisco Layer 2 switch?

to enable remote access to the switch to manage it

Which switch selection factor are you typically considering when deciding between modular or fixed configurations?

expandability

True or false? The lower the device is in the OSI model, the more intelligent it is.

false

When a router is powered on, where will the router first search for a valid IOS image to load by default?

flash memory

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? (Choose two.)

- DNS cannot resolve the IP address for the server web-s1.cisco.com. - The web server at 192.168.0.10 is reachable from the source host.

An administrator defined a local user account with a secret password on router R1 for use with SSH. Which three additional steps are required to configure R1 to accept only encrypted SSH connections? (Choose three.)

- Generate the SSH keys. - Configure the IP domain name on the router. - Enable inbound vty SSH sessions.

Which two files are loaded into RAM of a Cisco switch when it is booted? (Choose two.)

- IOS image file - startup configuration file

Following default settings, what two tasks are performed first in the router boot sequence? (Choose two.)

- Perform the POST routine. - Load the bootstrap program from ROM.

What are two requirements when using out-of-band configuration of a Cisco IOS network device? (Choose two.)

- a direct connection to the console or AUX port - a terminal emulation client

What are two common causes of a physical layer network connectivity problem? (Choose two.)

- an Ethernet cable plugged into a wrong port - a faulty Ethernet cable

Which two ports are typically used for device management? (Choose two.)

- console port - storage port

Which three pieces of information are revealed by the ipconfig command (without the /all switch)? (Choose three.)

- subnet mask - default gateway - IP address

A user experiences access and performance issues with the Internet connection from a home computer. The Internet connection is provided through a DSL line. The user calls the support line of the phone company for help. The support technician asks the user to connect the computer directly to the DSL modem. Which two pieces of information will help the technician to troubleshoot the problem? (Choose two.)

- the IP address of the computer - when the problem started

Which statement regarding the service password-encryption command is true?

As soon as the service password-encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted.

What happens when the transport input ssh command is entered on the switch vty lines?

Communication between the switch and remote users is encrypted.

What function does pressing the Tab key have when entering a command in IOS?

It completes the remainder of a partially typed word in a command.

Which interface connects computers, switches, and routers for internal networking?

LAN interface

What is a way to remotely access the command-line interface (CLI) over a network interface?

SSH access

When first connecting to a switch to configure it for the first time, you should answer "no" to the initial dialog question. After answering "no", what is the prompt?

Switch>

To save time, IOS commands may be partially entered and then completed by typing which key or key combination?

Tab

A user can print to a printer that is on the same network, but the traffic of the user cannot reach the Internet. What is a possible cause of the problem?

The PC default gateway address is missing or incorrect.

An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?

The administrator must first enter privileged EXEC mode before issuing the command.

What is the effect of using the Router# copy running-config startup-config command on a router?

The contents of NVRAM will change.

A network administrator enters the service password-encryption command into the configuration mode of a router. What does this command accomplish?

This command prevents someone from viewing the running configuration passwords.

Which interface is the default SVI on a Cisco switch?

VLAN 1

Which interface connects to external networks, usually over a large distance?

WAN interface

A network administrator is working on a Cisco router. The CLI prompt is Router1(config-if)#. Which operation is the administrator likely to configure next?

a LAN interface

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

Which interface uses telephone lines and modems to remotely manage a router?

auxiliary port

How does an activity LED on wireless routers indicate that traffic is moving through a port?

by flashing

Which interface uses USB or a low-speed, serial connection to manage network devices?

console port

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

What advantage does SSH offer over Telnet?

encryption

True or false? 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

When is an IP address required to be configured on a Cisco LAN switch?

when the switch needs to be managed through an in-band connection