Lars Kliesing
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CCNA Final Quiz

CCNA Final Quiz

Pregunta 1 de 53

1

Bottom-up troubleshooting begins at which layer of the OSI model?

Selecciona una de las siguientes respuestas posibles:

  • network layer

  • physical layer

  • data link layer

  • transport layer

  • application layer

Explicación

Pregunta 2 de 53

1

Which two statements are true about local applications? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • They run on the network.

  • An example of a local application is e-mail.

  • They are accessed from a remote computer.

  • They are stored on the local hard disk.

  • They run on the computer where they are installed.

Explicación

Pregunta 3 de 53

1

Refer to the exhibit. What default gateway address will be assigned to PC1 if access to remote resources is needed?

Selecciona una de las siguientes respuestas posibles:

  • 192.31.7.3

  • 192.168.1.101

  • 192.168.1.253

  • A default gateway is not necessary.

Explicación

Pregunta 4 de 53

1

Which attribute must be the same for wireless devices on one network to be able to communicate with devices on a different network?

Selecciona una de las siguientes respuestas posibles:

  • DNS server

  • MAC address

  • default gateway

  • operating system

  • wireless equipment vendor

Explicación

Pregunta 5 de 53

1

How do ISPs obtain public IP addresses?

Selecciona una de las siguientes respuestas posibles:

  • They create the addresses themselves.

  • They obtain the addresses from the home PCs.

  • They obtain the addresses from the Internet registry.

  • They obtain the addresses from the RFC.

Explicación

Pregunta 6 de 53

1

Refer to the exhibit. The security policy of an organization allows employees to connect to the office intranet from their homes. Which type of security policy is this?

Selecciona una de las siguientes respuestas posibles:

  • acceptable use

  • incident handling

  • network maintenance

  • remote access

Explicación

Pregunta 7 de 53

1

Which wireless component allows wireless clients to gain access to a wired network?

Selecciona una de las siguientes respuestas posibles:

  • PDA

  • STA

  • access point

  • wireless bridge

Explicación

Pregunta 8 de 53

1

Which network design layer provides a connection point for end user devices to the network?

Selecciona una de las siguientes respuestas posibles:

  • access

  • core

  • distribution

  • network

Explicación

Pregunta 9 de 53

1

Which two transport layer protocols are used to transfer messages between hosts? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • DHCP

  • FTP

  • SMTP

  • TCP

  • UDP

Explicación

Pregunta 10 de 53

1

An administrator is troubleshooting a network problem that involves the inability of users to reach Internet sites. During troubleshooting, the administrator is able to successfully ping web sites by their IP address, but pings to domain names are unsuccessful. Which service is most likely at fault?

Selecciona una de las siguientes respuestas posibles:

  • DHCP

  • DNS

  • FTP

  • NAT

Explicación

Pregunta 11 de 53

1

Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?

Selecciona una de las siguientes respuestas posibles:

  • The wireless connection is good.

  • The WEP key or SSID needs to be checked.

  • The DHCP configuration on the router needs to be checked.

  • The wireless NIC driver or the NIC itself needs to be reinstalled.

Explicación

Pregunta 12 de 53

1

A company has a web server that must be accessible to both external and internal clients. Which security policy best practice should be followed to maximize security of the server?
Place the web server in a DMZ.

Selecciona una de las siguientes respuestas posibles:

  • Keep the web server on the external network.

  • Configure a firewall device to serve as the web server.

  • Locate the web server in the server farm of the internal network.

Explicación

Pregunta 13 de 53

1

TCP/IP data transmission between the source and destination host is de-encapsulated in four steps: (Erster und letzter Schritt als richtig)

Selecciona una o más de las siguientes respuestas posibles:

  • The TCP header is removed.

  • Bits are decoded and the destination MAC address is recognized.

  • The IP header is removed and the contents are passed to the next layer.

  • The Ethernet header and trailer are removed.

Explicación

Pregunta 14 de 53

1

What is the correct sequence of these steps?

Selecciona una de las siguientes respuestas posibles:

  • A, B, C, D

  • A, C, B, D

  • B, C, D, A

  • B, D, C, A

  • C, A, B, D

Explicación

Pregunta 15 de 53

1

A computer joins the network and announces itself to all hosts on the LAN. What type of message does the computer send out?

Selecciona una de las siguientes respuestas posibles:

  • broadcast

  • simulcast

  • multicast

  • unicast

Explicación

Pregunta 16 de 53

1

What are two ways that a user can interact with an operating system shell? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • CLI

  • OS

  • GUI

  • NIC

  • kernel

Explicación

Pregunta 17 de 53

1

What are two examples of peripheral input devices? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • external modem

  • barcode reader

  • digital camera

  • plotter

  • printer

Explicación

Pregunta 18 de 53

1

What are three examples of logical configuration information used when planning a network implementation? (Choose three.)

Selecciona una o más de las siguientes respuestas posibles:

  • size of broadcast domains

  • naming scheme

  • length of cable runs

  • IP addressing scheme

  • physical device location

  • location of power outlets

Explicación

Pregunta 19 de 53

1

Which wireless protocol is used for encryption?

Selecciona una de las siguientes respuestas posibles:

  • EAP

  • Open

  • PSK

  • WEP

Explicación

Pregunta 20 de 53

1

Which value represents the host portion of IP address 128.107.10.11 with a subnet mask of 255.255.0.0?

Selecciona una de las siguientes respuestas posibles:

  • .10

  • .10.11

  • 128.107

  • .107.10.11

  • 128.107.10

Explicación

Pregunta 21 de 53

1

A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?

Selecciona una de las siguientes respuestas posibles:

  • DSL

  • dial-up

  • satellite

  • cell modem

  • cable modem

Explicación

Pregunta 22 de 53

1

What is the purpose of pop-up blocker software?

Selecciona una de las siguientes respuestas posibles:

  • It detects and removes spyware.

  • It detects and removes viruses.

  • It prevents the display of advertisement windows.

  • It removes unwanted e-mail.

Explicación

Pregunta 23 de 53

1

What are two advantages of purchasing a custom-built computer? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • usually a lower cost

  • no waiting period for assembly

  • user can specify higher performance components

  • supports higher-end graphics and gaming applications

  • fewer components to replace

Explicación

Pregunta 24 de 53

1

Refer to the exhibit. PC1 is unable to access the web server at 209.165.200.226/27. Based on the provided output, what is the most likely cause of the problem?

Selecciona una de las siguientes respuestas posibles:

  • PC1 is not plugged in to RTR1.

  • Port 80 is already in use on PC1.

  • No DNS server is configured on PC1.

  • PC1 is configured with an incorrect IP address and default gateway.

Explicación

Pregunta 25 de 53

1

What is the name for the contract between a customer and an ISP that specifies requirements for uptime and service response time?

Selecciona una de las siguientes respuestas posibles:

  • DSL

  • IAB

  • NAP

  • SLA

Explicación

Pregunta 26 de 53

1

Which term is associated with logical addressing?

Selecciona una de las siguientes respuestas posibles:

  • IP addresses

  • port addresses

  • physical addresses

  • Media Access Control addresses

Explicación

Pregunta 27 de 53

1

Which Windows PC command line utility can be used to discover the path that a packet takes to reach a destination?

Selecciona una de las siguientes respuestas posibles:

  • ping

  • netstat

  • tracert

  • nslookup

  • ipconfig

Explicación

Pregunta 28 de 53

1

Which statement accurately describes what network devices do in the distribution layer of the three layer design model?

Selecciona una de las siguientes respuestas posibles:

  • They interconnect individual hosts.

  • They interconnect multiple companies.

  • They interconnect local network segments.

  • They interconnect the company network to the ISP.

Explicación

Pregunta 29 de 53

1

Select three statements that correctly describe how DHCP services may be provided. (Choose three.)

Selecciona una o más de las siguientes respuestas posibles:

  • An integrated router provides IP configurations for most ISPs.

  • An integrated router can act as both DHCP server and DHCP client.

  • A home PC using a static IP address obtained that address from a DHCP server.

  • Most home network integrated routers receive an IP configuration directly from their ISP.

  • A variety of devices can act as DHCP servers, as long as they run DHCP service software.

  • A home PC that is unable to find a DHCP server defaults to the static IP address of 192.168.1.1.

Explicación

Pregunta 30 de 53

1

Which two causes of networking problems are related to the physical layer? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • disconnected cables

  • improper operation of cooling fans

  • incorrect MAC address

  • incorrect default gateway

  • incorrect subnet mask

Explicación

Pregunta 31 de 53

1

Which installation option should be chosen when the current operating system is too damaged to work properly?

Selecciona una de las siguientes respuestas posibles:

  • upgrade

  • multi-boot

  • clean install

  • virtualization

Explicación

Pregunta 32 de 53

1

What is an ISP?

Selecciona una de las siguientes respuestas posibles:

  • It is a standards body that develops cabling and wiring standards for networking.

  • It is a protocol that establishes how computers within a local network communicate.

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

  • It is a networking device that combines the functionality of several different networking devices in one.

Explicación

Pregunta 33 de 53

1

What two pieces of information should a help desk technician document while troubleshooting connectivity issues with an end user? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • the CPU clock speed of the computer

  • the number of network jacks that are in the room

  • if the user can ping the default gateway address

  • if the word processing software is installed correctly

  • whether the PC uses dynamic or static IP addressing

Explicación

Pregunta 34 de 53

1

Refer to the graphic. What feature can be installed on the Linksys integrated router to convert private IP addresses to Internet-routable addresses?

Selecciona una de las siguientes respuestas posibles:

  • authentication

  • DHCP

  • encryption

  • firewall

  • NAT

  • WEP

Explicación

Pregunta 35 de 53

1

After attaching four PCs to the switch ports, configuring the SSID and setting authentication properties for a small office network, a technician successfully tests the connectivity of all PCs that are connected to the switch and WLAN. A firewall is then configured on the device prior to connecting it to the Internet. What type of network device includes all of the described features?

Selecciona una de las siguientes respuestas posibles:

  • switch

  • ISR router

  • firewall appliance

  • standalone wireless access point

Explicación

Pregunta 36 de 53

1

For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?

Selecciona una de las siguientes respuestas posibles:

  • identifying the problem

  • asking end-users questions

  • documenting the troubleshooting process

  • using structured techniques to solve a problem

Explicación

Pregunta 37 de 53

1

What is the default subnet mask for an IP address of 64.100.19.14?

Selecciona una de las siguientes respuestas posibles:

  • 255.0.0.0

  • 255.255.0.0

  • 255.255.255.0

  • 255.255.255.255

Explicación

Pregunta 38 de 53

1

How does a crossover cable make it possible for two "like devices" (for example, two switches) to communicate?

Selecciona una de las siguientes respuestas posibles:

  • The transmit pins are disconnected and only the receive pins are used.

  • The transmit pins on one device are connected to the transmit pins on the other device.

  • The receive pins on one device are connected to the receive pins on the other device.

  • The transmit pins on one device are connected to the receive pins on the other device.

Explicación

Pregunta 39 de 53

1

What will be one result of using a wireless infrastructure when designing the communications infrastructure for a new building?

Selecciona una de las siguientes respuestas posibles:

  • Wireless devices will be easy to add or relocate.

  • Infrastructure installation will be difficult and expensive.

  • There will be less interference from outside electronic sources.

  • Data transmitted over wireless networks will be more secure than when transmitted over wired networks.

Explicación

Pregunta 40 de 53

1

What does the term "attenuation" mean in data communication?

Selecciona una de las siguientes respuestas posibles:

  • loss of signal strength as distance increases

  • time for a signal to reach its destination

  • leakage of signals from one cable pair to another

  • strengthening of a signal by a networking device

Explicación

Pregunta 41 de 53

1

Which type of computer has an integrated mouse?

Selecciona una de las siguientes respuestas posibles:

  • desktop

  • laptop

  • mainframe

  • server

  • pocket PC

Explicación

Pregunta 42 de 53

1

Which Windows command is used to display the configured IP address, subnet mask, and default gateway?

Selecciona una de las siguientes respuestas posibles:

  • ipconfig

  • netstat

  • nslookup

  • tracert

Explicación

Pregunta 43 de 53

1

What must be identical on all devices in a WLAN for successful wireless communication between the devices?

Selecciona una de las siguientes respuestas posibles:

  • SSID

  • antenna type

  • network mode

  • wireless NIC driver

Explicación

Pregunta 44 de 53

1

For devices that do not autosense, which connection requires a crossover cable?

Selecciona una de las siguientes respuestas posibles:

  • hub port to router port

  • PC to hub port

  • PC to switch port

  • PC port to PC port

Explicación

Pregunta 45 de 53

1

Refer to the exhibit. A user on Host1 requests a web page from the web server. Which diagram is accurate for the encapsulation of the traffic that is sent from the user to the web server? Is "D" correct?

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 46 de 53

1

What describes the external IP address that is obtained by a router through a cable or DSL modem?

Selecciona una de las siguientes respuestas posibles:

  • a public address that is obtained from ICANN

  • a private address that is manually configured by the administrator

  • a public address that is obtained through DHCP from the ISP

  • a private address that converts to a public address on the internal LAN

Explicación

Pregunta 47 de 53

1

Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • MAC address

  • IP address

  • kernel

  • shell

  • subnet mask

Explicación

Pregunta 48 de 53

1

What destination IP address is used in a unicast packet?

Selecciona una de las siguientes respuestas posibles:

  • a specific host

  • a group of hosts

  • all hosts on the network

  • the network broadcast address

Explicación

Pregunta 49 de 53

1

Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?

Selecciona una de las siguientes respuestas posibles:

  • FM

  • radar

  • infrared

  • ultraviolet

Explicación

Pregunta 50 de 53

1

What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • ipconfig /release

  • ipconfig /all

  • ipconfig /flushdns

  • ipconfig /renew

  • ipconfig

Explicación

Pregunta 51 de 53

1

What are the two possible values for a digital bit? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

  • 0

  • 1

  • A

  • F

  • #

  • 9

Explicación

Pregunta 52 de 53

1

Which picture shows a USB port on a PC? (Shows one of them a USB port?)

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 53 de 53

1

What is the purpose of a router?

Selecciona una de las siguientes respuestas posibles:

  • to forward broadcasts to all interfaces so that all hosts receive them

  • to maintain a table of individual host addresses

  • to select the best path to reach remote networks

  • to physically connect multiple hosts that belong to the same network

Explicación

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