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Networking > Module 1-3 Exam > Flashcards

Module 1-3 Exam Flashcards

1
Q

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

A

extranet

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1
Q

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?

A

spyware

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2
Q

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?

A

bring your own device

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3
Q

What is an ISP?

A

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

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4
Q

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

Protect the network from unauthorized access.
Provide redundant links and devices.
Match the type of communication within a specific priority.
Expand the network without degrading the service for existing users.
Ensure that streaming data is provided over high speed links.

fault tolerance
scalability
security

A

SECURITY - Protect the network from unauthorized access.
FAULT TOLERANCE - Provide redundant links and devices.
SCALABILITY - Expand the network without degrading the service for existing users.

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5
Q

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?

A

an intranet

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6
Q

Which statement describes the use of powerline networking technology?

A

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

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7
Q

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?

A

security

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8
Q

What type of network traffic requires QoS?

A

video conferencing

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8
Q

Match each characteristic to its corresponding Internet connectivity type. (Not all options are used.)

Choices:
not suited for heavily wooded areas
uses coaxial cable as a medium
typically has very low bandwidth
high bandwidth connection that runs over telephone line
typically uses a TI/EI or T3/E3 circuit

To Match:
DSL
Dialup telephone
Satellite
Cable

A

DSL - high bandwidth connection that runs over telephone line
dialup telephone - typically nas very low bandwidth
satellite - not suited for neavity wooded areas
cable - uses coaxial cable as a medium

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9
Q

What two criteria are used to help select a network medium from various network media? (Choose two.)

A
  • the distance the selected medium can successfully carry a signal
  • the environment where the selected medium is to be installed
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10
Q

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. (Choose three.)

A
  • VTY interface
  • console interface
  • privileged EXEC mode
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11
Q

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

A
  • implementing a firewall
  • installing antivirus software
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12
Q

Which interface allows remote management of a Layer 2 switch?

A

the switch virtual interface

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13
Q

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

A

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

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13
Q

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?

A

Issue the reload command without saving the running configuration.

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14
Q

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?

A

to interrupt the ping process

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15
Q

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?

SW1(config)# enable password letmein
SW1(config)# enable secret secretin
SW1(config)# line console 0
SW1(config-line)# password lineconin
SW1(config-line)# login
SW1(config-line)# exit
SW1(config)# line vty 0 15
SW1(config-line)# password linevtyin
SW1(config-line)# login
SW1(config-line)# end

A

lineconin

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15
Q

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?

A

SVI

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16
Q

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

A

exit

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16
Q

What are two characteristics of RAM on a Cisco device? (Choose two.)

A
  • The configuration that is actively running on the device is stored in RAM.
  • The contents of RAM are lost during a power cycle.
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16
Q

Which two host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.)

A
  • RM-3-Switch-2A4
  • SwBranch799
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17
Q

How is SSH different from Telnet?

A

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

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18
Q

An administrator is configuring a switch console port with a password. In what order will the administrator travel through the IOS modes of operation in order to reach the mode in which the configuration commands will be entered? (Not all options are used.)

Option Bank 1
first mode
second mode
third mode
final mode

Option Bank 2
interface configuration mode
privileged EXEC mode
line configuration mode
global configuration mode
user EXEC mode

A

first mode - user EXEC mode
second mode - privileged EXEC mode
third mode - global configuration mode
final mode - line configuration mode

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18
Q

What are three characteristics of an SVI? (Choose three.)

A
  • 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.
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18
Q

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

A

show ip interface brief

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19
Q

Match the description with the associated IOS mode. (Not all options are used.)

Option Bank 1
- changes made affect the operation of the device as a whole
- accessed by entering the enable command
- identified by a prompt ending with the # character
- limited number of basic monitoring commands
- accessed by entering the configure terminal command
- the first entrance into the CLI of an IOS device
- used to enable the password for lines user EXEC mode

Option Bank 2
user EXEC mode
privileged EXEC mode
global configuration mode

A

user EXEC mode
- limited number of basic monitoring commands
- the first entrance into the CLI of an IOS device
privileged EXEC mode
- accessed by entering the enable command
- identified by a prompt ending with the # character
global configuration mode
- changes made affect the operation of the device as a whole
- accessed by entering the configure terminal command

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19
Q

Match the definitions to their respective CLI hot keys and shortcuts. (Not all options are used.)

OPTION BANK 1
- displays the next screen
- scrolls backwards through previously entered commands
- provides context-sensitive help
- completes abbreviated commands and parameters
- aborts commands such as trace and ping

OPTION BANK 2
- Tab
- space bar
- Up Arrow
- Ctrl-C
- ?
- Ctrl-Shift-6

A

Tab - completes abbreviated commands and parameters
space bar - displays the next screen
Up Arrow - scrolls backwards through previously entered commands
?- provides context-sensitive help
Ctrl-Shift-6 - aborts commands such as trace and ping

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20
Q

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

A

a keyword

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21
Q

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?

A

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

22
Q

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

A

(config)# service password-encryption

23
Q

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

A

This command prevents someone from viewing the running configuration passwords.

24
Q

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

A

flow control

25
Q

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

A

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

26
Q

What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)

A

DHCP
DNS
FTP

26
Q

Match the description to the organization. (Not all options are used.)

CHOICES
- This organization is responsible tor overseeing and managing IP address allocation, domain name management and protocol identifiers.
- This organization is the largest developer of international standards in the world for a wide variety ot products and services. It is known for its Open Systems Interconnection (OSI) reference model.
- This organization promotes the open development, evolution, and use of the Internet throughout the world.

  • ISOC
  • ISO
  • EIA
  • IANA
A

ISOC - This organization promotes the open development, evolution, and use of the Internet
throughout the world.
ISO - This organization is the largest developer of international standards in the world for a wide variety of products and services. It is known for ts Open Systems Interconnection (OSI) reference model.
IANA - This organization is responsible tor overseeing and managing IP address allocation, domain name management, and protocol Identifiers.

27
Q

Which name is assigned to the transport layer PDU?

A

segment

27
Q

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?

A

subnet mask

28
Q

What process involves placing one PDU inside of another PDU?

A

encapsulation

29
Q

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

A

internet

29
Q

For the TCP/IP protocol suite, what is the correct order of events when a Telnet message is being prepared to be sent over the network?

CHOICES
The IP header is added.
The TCP header is added.
The Ethernet header is added.
The Telnet-formatted data is provided to the next layer

First
Second
Third
Fourth

A

First - The Telnet-formatted data is provided to the next layer
Second - The TCP header is added.
Third - The IP header is added.
Fourth - The Ethernet header is added.

30
Q

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

A

frame

31
Q

Refer to the exhibit. ServerB is attempting to contact HostA. Which two statements correctly identify the addressing that ServerB will generate in the process? (Choose two.)

HostA - SwitchA - RouterA
|
ServerB - SwitchB - RouterB

A
  • ServerB will generate a frame with the destination MAC address of RouterB.
  • ServerB will generate a packet with the destination IP address of HostA.
32
Q

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

A

response timeout

33
Q

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?

A

Ethernet, IP, TCP, HTTP

34
Q

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

A
  • data link
  • physical
35
Q

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

A

network layer

35
Q

What is a characteristic of multicast messages?

A

They are sent to a select group of hosts.

35
Q

Which statement is correct about network protocols?

A

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

36
Q

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

A

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

36
Q

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

A

a router

36
Q

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.

PC0 - Switch0
Blue line connection (Console)

What is the IP address of the switch virtual interface (SVI) on Switch0?

A

192.168.5.10

37
Q

Why would a Layer 2 switch need an IP address?

A

to enable the switch to be managed remotely

38
Q

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

Switch1> config t
% Invalid input detected at ‘^’ marker.

A

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

39
Q

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

A

extranet

40
Q

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

A

cloud

40
Q

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

A

peer-to-peer

41
Q

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

A

SOHO network

42
Q

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

A

client/server

42
Q

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

A

powerline networking

43
Q

What term describes a policy that allows network devices to manage the flow of data to give priority to voice and video?

A

quality of service

43
Q

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

A

intranet

44
Q

What term describes the ability to use personal devices across a business or campus network?

A

BYOD

44
Q

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

A

network layer

44
Q

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

A

transport layer

44
Q

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

A

application layer

44
Q

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

A

network layer

45
Q

Which of the following is the name for all computers connected to a network that participate directly in network communication?

A

Host

45
Q

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

A

network layer

46
Q

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

A

data link layer

47
Q

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

A

transport layer

48
Q

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

A

data link layer

49
Q

When data is encoded as pulses of light, which media is being used to transmit the data?

A

Fibre optic cable

50
Q

Which two devices are intermediary devices? (Choose two)

A
  • Router
  • Switch

Networking (16 decks)

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