Module 1-3 Test Review CNET 146

What term describes a technology that allows devices to connect to the LAN using an electrical outlet?

quality of service

A networking technician is working on the wireless network at a medical clinic. The technician accidentally sets up the wireless network so that patients can see the medical records data of other patients. Which of the four network characteristics has been violated in this situation?

security

What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?

(config)# service password-encryption

What is an advantage of network devices using open standard protocols?

A client host and a server running different operating systems can successfully exchange data.

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 two host names follow the guidelines for naming conventions on Cisco IOS devices?

SwBranch799 RM-3-Switch-2A4

What is a characteristic of multicast messages?

They are sent to a select group of hosts.

What term describes a network where one computer can be both client and server?

peer-to-peer

Match each characteristic to its corresponding Internet connectivity type.

DSL is an always-on, high bandwidth connection that runs over telephone lines. Cable uses the same coaxial cable that carries television signals into the home to provide Internet access. Dialup telephone is much slower than either DSL or cable, but is the least expensive option for home users because it can use any telephone line and a simple modem. Satellite requires a clear line of sight and is affected by trees and other obstructions. None of these typical home options use dedicated leased lines such as T1/E1 and T3/E3.

A web client is receiving a response for a web page from a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to decode the received transmission?

Ethernet, IP, TCP, HTTP

Which method allows a computer to react accordingly when it requests data from a server and the server takes too long to respond?

response timeout

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 statement describes the use of powerline networking technology?

A device connects to an existing home LAN using an adapter and an existing electrical outlet.

A large corporation has modified its network to allow users to access network resources from their personal laptops and smart phones. Which networking trend does this describe?

BYOD

What three application layer protocols are part of the TCP/IP protocol suite?

DHCP DNS FTP

What is an ISP?

It is an organization that enables individuals and businesses to connect to the Internet.

What are three characteristics of an SVI?

It is not associated with any physical interface on a switch. It provides a means to remotely manage a switch. It is associated with VLAN1 by default.

Match the requirements of a reliable network with the supporting network architecture. (Not all options are used.)

Protect the network from unauthorized access- security provide redundant links and devices- fault tolerance Expand the network without degrading the service for existing users- scalability

Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?

Segments are sent from the transport layer to the internet layer.

What are two characteristics of RAM on a Cisco device?

The configuration that is actively running on the device is stored in RAM. The contents of RAM are lost during a power cycle.

After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?

The new configuration will be loaded if the switch is restarted.

Which statement is correct about network protocols?

They define how messages are exchanged between the source and the destination.

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.

VTY interface console interface privileged EXEC mode

In the show running-config command, which part of the syntax is represented by running-config?

a keyword

Which device performs the function of determining the path that messages should take through internetworks?

a router

An employee at a branch office is creating a quote for a customer. In order to do this, the employee needs to access confidential pricing information from internal servers at the Head Office. What type of network would the employee access?

an intranet (a term used to refer to a private connection of LANs and WANs that belongs to an organization. An intranet is designed to be accessible only by the organization's members, employees, or others with authorization.)

At which OSI layer is data added to a PDU during the encapsulation process?

application layer

What term describes a computing model where server software runs on dedicated computers?

client/server

What term describes storing personal files on servers over the internet to provide access anywhere, anytime, and on any device?

cloud

Which two OSI model layers have the same functionality as a single layer of the TCP/IP model?

data link physical

What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?

flow control

Which PDU format is used when bits are received from the network medium by the NIC of a host?

frame

What term describes a private collection of LANs and WANs that belongs to an organization?

intranet

At which OSI layer is a source IP address added to a PDU during the encapsulation process?

network layer

At which layer of the OSI model would a logical address be added during encapsulation?

network layer

Which name is assigned to the transport layer PDU?

segment

What command is used to verify the condition of the switch interfaces, including the status of the interfaces and a configured IP address?

show ip interface brief

During a routine inspection, a technician discovered that software that was installed on a computer was secretly collecting data about websites that were visited by users of the computer. Which type of threat is affecting this computer?

spyware

When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?

subnet mask

What two criteria are used to help select a network medium from various network media?

the distance the selected medium can successfully carry a signal and the environment where the selected medium is to be installed

Which interface allows remote management of a Layer 2 switch?

the switch virtual interface

Why would a Layer 2 switch need an IP address?

to enable the switch to be managed remotely

At which OSI layer is a destination port number added to a PDU during the encapsulation process?

transport layer

What type of network traffic requires QoS?

video conferencing

What process involves placing one PDU inside of another PDU?

encapsulation

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?

interrupt ping process

While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM?

Issue the reload command without saving the running configuration.

What term describes a type of network used by people who work from home or from a small remote office?

SOHO network

How is SSH different from Telnet?

SSH provides security to remote sessions by encrypting messages and using user authentication. Telnet is considered insecure and sends messages in plaintext.

A technician configures a switch with these commands: SwitchA(config)# interface vlan 1 SwitchA(config-if)# ip address 192.168.1.1 255.255.255.0 SwitchA(config-if)# no shutdown What is the technician configuring?

SVI

Which command or key combination allows a user to return to the previous level in the command hierarchy

exit

What term describes a network owned by one organization that provides safe and secure access to individuals who work for a different organization?

extranet

Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?

extranet

At which OSI layer is a source MAC address added to a PDU during the encapsulation process?

data link layer

A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network?

implementing a firewall and installing antivirus software

What layer is responsible for routing messages through an internetwork in the TCP/IP model?

internet