19852349
Pregunta 1
Pregunta
Which device performs the function of determining the path that messages should take through internetworks?
Respuesta
-
a web server
-
a DSL modem
-
a firewall
-
a router
Pregunta 2
Pregunta
A company is contemplating whether to use a client/server or a peer-to-peer network. What are three characteristics of a peer-to-peer network? (Choose three.)
Respuesta
-
scalable
-
less cost to implement
-
lacks centralized administration
-
better device performance when acting as both client and server
-
easy to create
-
better security
Pregunta 3
Pregunta
What two criteria are used to help select a network medium from various network media? (Choose two.)
Respuesta
-
the environment where the selected medium is to be installed
-
the number of intermediary devices installed in the network
-
the distance the selected medium can successfully carry a signal
-
the cost of the end devices utilized in the network
-
the types of data that need to be prioritized
Pregunta 4
Pregunta
Which two statements describe intermediary devices? (Choose two.)
Respuesta
-
Intermediary devices initiate the encapsulation process.
-
Intermediary devices connect individual hosts to the network.
-
Intermediary devices direct the path of the data.
-
Intermediary devices alter data content.
-
Intermediary devices generate data content.
Pregunta 5
Pregunta
What are two functions of end devices on a network? (Choose two.)
Respuesta
-
They provide the channel over which the network message travels.
-
They are the interface between humans and the communication network.
-
They filter the flow of data to enhance security.
-
They direct data over alternate paths in the event of link failures.
-
They originate the data that flows through the network.
Pregunta 6
Pregunta
Which area of the network would a college IT staff most likely have to redesign as a direct result of many students bringing their own tablets and smartphones to school to access school resources?
Respuesta
-
wireless WAN
-
wireless LAN
-
wired LAN
-
intranet
-
extranet
Pregunta 7
Pregunta
What type of network must a home user access in order to do online shopping?
Respuesta
-
a local area network
-
an extranet
-
the Internet
-
an intranet
Pregunta 8
Pregunta
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?
Respuesta
-
an extranet
-
an intranet
-
the Internet
-
a local area network
Pregunta 9
Pregunta
Which two connection options provide an always-on, high-bandwidth Internet connection to computers in a home office? (Choose two.)
Respuesta
-
dial-up telephone
-
cable
-
satellite
-
DSL
-
cellular
Pregunta 10
Pregunta
Which two Internet connection options do not require that physical cables be run to the building? (Choose two.)
Respuesta
-
dedicated leased line
-
dialup
-
satellite
-
cellular
-
DSL
Pregunta 11
Pregunta
Which term describes the state of a network when the demand on the network resources exceeds the available capacity?
Respuesta
-
synchronization
-
optimization
-
convergence
-
congestion
Pregunta 12
Pregunta
What type of network traffic requires QoS?
Respuesta
-
wiki
-
email
-
on-line purchasing
-
video conferencing
Pregunta 13
Pregunta
Which expression accurately defines the term bandwidth?
Respuesta
-
a set of techniques to manage the utilization of network resources
-
a state where the demand on the network resources exceeds the available capacity
-
a method of limiting the impact of a hardware or software failure on the network
-
a measure of the data carrying capacity of the media
Pregunta 14
Pregunta
A network administrator is implementing a policy that requires strong, complex passwords. Which data protection goal does this policy support?
Respuesta
-
data redundancy
-
data quality
-
data integrity
-
data confidentiality
Pregunta 15
Pregunta
Which statement describes a characteristic of cloud computing?
Respuesta
-
Investment in new infrastructure is required in order to access the cloud.
-
Devices can connect to the Internet through existing electrical wiring.
-
A business can connect directly to the Internet without the use of an ISP.
-
Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world.
Pregunta 16
Pregunta
What is the Internet?
Respuesta
-
It is a private network for an organization with LAN and WAN connections.
-
It provides network access for mobile devices.
-
It provides connections through interconnected global networks.
-
It is a network based on Ethernet technology.
Pregunta 17
Pregunta
Which statement describes the use of powerline networking technology?
Respuesta
-
A device connects to an existing home LAN using an adapter and an existing electrical outlet.
-
Wireless access points use powerline adapters to distribute data through the home LAN.
-
A home LAN is installed without the use of physical cabling.
-
New “smart” electrical cabling is used to extend an existing home LAN.
Pregunta 18
Pregunta
What security violation would cause the most amount of damage to the life of a home user?
Respuesta
-
capturing of personal data that leads to identity theft
-
spyware that leads to spam emails
-
replication of worms and viruses in your computer
-
denial of service to your email server
Pregunta 19
Pregunta
A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network? (Choose two.)
Respuesta
-
implementing an intrusion detection system
-
adding a dedicated intrusion prevention device
-
installing antivirus software
-
installing a wireless network
-
implementing a firewall
Pregunta 20
Pregunta
A __converged__ network is capable of delivering voice, video, text, and graphics over the same communication channels.
Respuesta
- True
- False
Pregunta 21
Pregunta
The acronym __byod__ refers to the policy that allows employees to use their personal devices in the business office to access the network and other resources.
Respuesta
- True
- False
Pregunta 22
Pregunta
Web pages that groups of people can edit and view together
Respuesta
-
wiki
-
Social Media
-
instant messaging
-
podcast
Pregunta 23
Pregunta
Interactive websites where people created and share user-generated content with friends and family
Respuesta
-
Wiki
-
Social Media
-
Podcast
-
instant messaging
Pregunta 24
Pregunta
real-time communication of between two or more people
Respuesta
-
Wiki
-
Social Media
-
Instant Messaging
-
Podcast
Pregunta 25
Pregunta
an audio-based medium that allows people to deliver their recordings to a wide audience
Respuesta
-
Wiki
-
instant messaging
-
Social Media
-
Podcast
Pregunta 26
Pregunta
Not suited for heavily wooded areas
Respuesta
-
satellite
-
DSL
-
cable
-
dialup telephone
Pregunta 27
Pregunta
typically has very low bandwidth
Respuesta
-
satellite
-
DSL
-
cable
-
dialup telephone
Pregunta 28
Pregunta
high bandwidth connection that runs over telephone line
Respuesta
-
satellite
-
DSL
-
cable
-
dialup telephone
Pregunta 29
Pregunta
uses coaxial cable as a medium
Respuesta
-
cable
-
satellite
-
DSL
-
dialup telephone
Pregunta 30
Pregunta
the assurance that the information has not been altered during transmission
Respuesta
-
maintaining integrity
-
ensuring confidentiality
-
ensuring availability
Pregunta 31
Pregunta
only the intended recipients can access and read the data
Respuesta
-
maintaining integrity
-
ensuring availability
-
ensuring confidentiality
Pregunta 32
Pregunta
the assurance of timely and reliable access to data
Respuesta
-
ensuring confidentiality
-
ensuring availability
-
maintaining integrity
Pregunta 33
Pregunta
Which networking trend involves the use of personal tools and devices for accessing resources on a business or campus network?
Respuesta
-
video conferencing
-
cloud computing
-
powerline networking
-
BYOD
Pregunta 34
Pregunta
What is a characteristic of a converged network?
Respuesta
-
it delivers data, voice, and video over the same network infrastructure
-
A converged network requires a separate network infrastructure for each type of communication technology
-
it limits the impact of a failure by minimizing the number of devices affected
-
it provides only one path between the source and destination of a message
Pregunta 35
Pregunta
What are two functions of intermediary devices on a network? (Choose two.)
Respuesta
-
They filter the flow of data, based on security settings.
-
They direct data along alternate pathways when there is a link failure.
-
They form the interface between the human network and the underlying communication network.
-
They run applications that support collaboration for business.
-
They are the primary source and providers of information and services to end devices.
Pregunta 36
Pregunta
What is the function of the kernel of an operating software?
Respuesta
-
The kernel provisions hardware resources to meet software requirements.
-
It is an application that allows the initial configuration of a Cisco device.
-
The kernel links the hardware drivers with the underlying electronics of a computer.
-
It provides a user interface that allows users to request a specific task.
Pregunta 37
Pregunta
A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?
Respuesta
-
Console
-
AUX
-
SSH
-
Telnet
Pregunta 38
Pregunta
Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?
Respuesta
-
Use Secure Shell to remotely access the switch through the network.
-
Use the AUX port to locally access the switch from a serial or USB interface of the PC.
-
Use Telnet to remotely access the switch through the network.
-
Use the console port to locally access the switch from a serial or USB interface of the PC.
Pregunta 39
Pregunta
Which command or key combination allows a user to return to the previous level in the command hierarchy?
Respuesta
-
Ctrl-Z
-
exit
-
Ctrl-C
-
end
Pregunta 40
Pregunta
A router has a valid operating system and a configuration file stored in NVRAM. The configuration file contains an enable secret password but no console password. When the router boots up, which mode will display?
Respuesta
-
user EXEC mode
-
privileged EXEC mode
-
setup mode
-
global configuration mode
Pregunta 41
Pregunta
Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.)
Respuesta
-
determining which option, keyword, or argument is available for the entered command
-
selecting the best command to accomplish a task
-
allowing the user to complete the remainder of an abbreviated command with the TAB key
-
displaying a list of all available commands within the current mode
-
providing an error message when a wrong command is submitted
Pregunta 42
Pregunta
Which information does the show startup-config command display?
Respuesta
-
the contents of the saved configuration file in the NVRAM
-
the contents of the current running configuration file in the RAM
-
the bootstrap program in the ROM
-
the IOS image copied into RAM
Pregunta 43
Pregunta
Why is it important to configure a hostname on a device?
Respuesta
-
to allow local access to the device through the console port
-
a hostname must be configured before any other parameters
-
a Cisco router or switch only begins to operate when its hostname is set
-
to identify the device during remote access (SSH or telnet)
Pregunta 44
Pregunta
Which two host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.)
Respuesta
-
SwBranch799
-
HO Floor 17
-
Floor(15)
-
RM-3-Switch-2A4
-
Branch2!
Pregunta 45
Pregunta
How does the service password-encryption command enhance password security on Cisco routers and switches?
Respuesta
-
It requires that a user type encrypted passwords to gain console access to a router or switch.
-
It requires encrypted passwords to be used when connecting remotely to a router or switch with Telnet.
-
It encrypts passwords that are stored in router or switch configuration files.
-
It encrypts passwords as they are sent across the network.
Pregunta 46
Pregunta
Refer to the exhibit. A network administrator is configuring the MOTD on switch SW1. What is the purpose of this command?
Respuesta
-
to configure switch SW1 so that the message will display when a user enters the enable command
-
to force users of the Admin group to enter a password for authentication
-
to configure switch SW1 so that only the users in the Admin group can telnet into SW1
-
to display a message when a user accesses the switch
Pregunta 47
Pregunta
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?
Respuesta
-
Issue the reload command without saving the running configuration.
-
Delete the vlan.dat file and reboot the device.
-
Close and reopen the terminal emulation software.
-
Issue the copy startup-config running-config command.
Pregunta 48
Pregunta
Which statement is true about the running configuration file in a Cisco IOS device?
Respuesta
-
It should be deleted using the erase running-config command.
-
It is automatically saved when the router reboots.
-
It is stored in NVRAM.
-
It affects the operation of the device immediately when modified.
Pregunta 49
Pregunta
What are two characteristics of RAM on a Cisco device? (Choose two.)
Respuesta
-
RAM is able to store multiple versions of IOS and configuration files.
-
RAM is a component in Cisco switches but not in Cisco routers.
-
The contents of RAM are lost during a power cycle.
-
RAM provides nonvolatile storage.
-
The configuration that is actively running on the device is stored in RAM.
Pregunta 50
Pregunta
Which interface allows remote management of a Layer 2 switch?
Respuesta
-
the switch virtual interface
-
the first Ethernet port interface
-
the console port interface
-
the AUX interface
Pregunta 51
Pregunta
Which interface is the default SVI on a Cisco switch?
Respuesta
-
VLAN 1
-
VLAN 99
-
GigabitEthernet 0/1
-
FastEthernet 0/1
Pregunta 52
Pregunta
Why would a Layer 2 switch need an IP address?
Respuesta
-
to enable the switch to receive frames from attached PCs
-
to enable the switch to function as a default gateway
-
to enable the switch to send broadcast frames to attached PCs
-
to enable the switch to be managed remotely
Pregunta 53
Pregunta
What command can be used on a Windows PC to see the IP configuration of that computer?
Respuesta
-
ipconfig
-
show ip interface brief
-
show interfaces
-
ping
Pregunta 54
Pregunta
A technician is adding a new PC to a LAN. After unpacking the components and making all the connections, the technician starts the PC. After the OS loads, the technician opens a browser, and verifies that the PC can reach the Internet. Why was the PC able to connect to the network with no additional configuration?
Respuesta
-
The PC virtual interface is compatible with any network.
-
The PC used DNS to automatically receive IP addressing information from a server.
-
The PC came preconfigured with IP addressing information from the factory.
-
The PC does not require any additional information to function on the network.
-
The PC was preconfigured to use DHCP.
Pregunta 55
Pregunta
What is a user trying to determine when issuing a ping 10.1.1.1 command on a PC?
Respuesta
-
what type of device is at the destination
-
if there is connectivity with the destination device
-
the path that traffic will take to reach the destination
-
if the TCP/IP stack is functioning on the PC without putting traffic on the wire
Pregunta 56
Pregunta
Refer to the exhibit. A network technician is testing connectivity in a new network. Based on the test results shown in the exhibit, which device does the technician have connectivity with and which device does the technician not have connectivity with? (Choose two.)
Respuesta
-
no connectivity: switch 2
-
no connectivity: switch 1
-
connectivity: PC-B
-
connectivity: PC-D
-
connectivity: switch 2
-
no connectivity: PC-C
Pregunta 57
Pregunta
Refer to the exhibit. What three facts can be determined from the viewable output of the show ip interface brief command? (Choose three.)
Respuesta
-
The default SVI has been configured.
-
One device is attached to a physical interface.
-
The switch can be remotely managed.
-
Two physical interfaces have been configured.
-
Two devices are attached to the switch.
-
Passwords have been configured on the switch.
Pregunta 58
Pregunta
What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?
Respuesta
-
access method
-
response timeout
-
encapsulation
-
flow control
Pregunta 59
Pregunta
What type of communication will send a message to all devices on a local area network?
Respuesta
-
broadcast
-
allcast
-
unicast
-
multicast
Pregunta 60
Pregunta
What process is used to place one message inside another message for transfer from the source to the destination?
Respuesta
-
encapsulation
-
decoding
-
access control
-
flow control
Pregunta 61
Pregunta
A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?
Respuesta
-
HTTP, IP, TCP, Ethernet
-
HTTP, TCP, IP, Etherne
-
Ethernet, TCP, IP, HTTP
-
Ethernet, IP, TCP, HTTP
Pregunta 62
Pregunta
Which statement is correct about network protocols?
Respuesta
-
Network protocols define the type of hardware that is used and how it is mounted in racks.
-
They define how messages are exchanged between the source and the destination.
-
They all function in the network access layer of TCP/IP.
-
They are only required for exchange of messages between devices on remote networks.
Pregunta 63
Pregunta
Which statement is true about the TCP/IP and OSI models?
Respuesta
-
The TCP/IP transport layer and OSI Layer 4 provide similar services and functions.*
-
The TCP/IP network access layer has similar functions to the OSI network layer.
-
The OSI Layer 7 and the TCP/IP application layer provide identical functions.
-
The first three OSI layers describe general services that are also provided by the TCP/IP internet layer.
Pregunta 64
Pregunta
What is an advantage of using standards to develop and implement protocols?
Respuesta
-
A particular protocol can only be implemented by one manufacturer.
-
Products from different manufacturers can interoperate successfully.
-
Different manufacturers are free to apply different requirements when implementing a protocol.
-
Standards provide flexibility for manufacturers to create devices that comply with unique requirements.
Pregunta 65
Pregunta
What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)
Respuesta
-
ARP
-
DHCP
-
DNS
-
FTP
-
PPP
-
NAT
Pregunta 66
Pregunta
What are proprietary protocols?
Respuesta
-
protocols developed by private organizations to operate on any vendor hardware
-
protocols that can be freely used by any organization or vendor
-
protocols developed by organizations who have control over their definition and operation
-
a collection of protocols known as the TCP/IP protocol suite
Pregunta 67
Pregunta
What is an advantage of network devices using open standard protocols?
Respuesta
-
Network communications is confined to data transfers between devices from the same vendor.
-
Competition and innovation are limited to specific types of products.
-
Internet access can be controlled by a single ISP in each market.
-
A client host and a server running different operating systems can successfully exchange data.
Pregunta 68
Pregunta
Refer to the exhibit. If Host1 were to transfer a file to the server, what layers of the TCP/IP model would be used?
Respuesta
-
only application and Internet layers
-
application, session, transport, network, data link, and physical layers
-
only application, transport, network, data link, and physical layers
-
application, transport, Internet, and network access layers
-
only application, Internet, and network access layers
-
only Internet and network access layers
Pregunta 69
Pregunta
Which three layers of the OSI model are comparable in function to the application layer of the TCP/IP model? (Choose three.)
Respuesta
-
application
-
network
-
physical
-
data link
-
transport
-
session
-
presentation
Pregunta 70
Pregunta
At which layer of the OSI model would a logical address be encapsulated?
Respuesta
-
physical layer
-
transport layer
-
network layer
-
data link layer
Pregunta 71
Pregunta
Which PDU format is used when bits are received from the network medium by the NIC of a host?
Respuesta
-
file
-
segment
-
packet
-
frame
Pregunta 72
Pregunta
Which PDU is processed when a host computer is de-encapsulating a message at the transport layer of the TCP/IP model?
Respuesta
-
bits
-
segment
-
packet
-
frame
Pregunta 73
Pregunta
Which address does a NIC use when deciding whether to accept a frame?
Respuesta
-
destination MAC address
-
source Ethernet address
-
destination IP address
-
source MAC address
-
source IP address
Pregunta 74
Pregunta
What will happen if the default gateway address is incorrectly configured on a host?
Respuesta
-
The host cannot communicate with other hosts in the local network.
-
A ping from the host to 127.0.0.1 would not be successful.
-
The host cannot communicate with hosts in other networks.
-
The host will have to use ARP to determine the correct address of the default gateway.
-
The switch will not forward packets initiated by the host.
Pregunta 75
Pregunta
Which characteristic describes the default gateway of a host computer?
Respuesta
-
the physical address of the switch interface connected to the host computer
-
the logical address assigned to the switch interface connected to the router
-
the physical address of the router interface on the same network as the host computer
-
the logical address of the router interface on the same network as the host computer
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