9457190
Descripción
Test por Rene Pfister, actualizado hace más de 1 año
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Creado por Rene Pfister
hace casi 7 años
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Pregunta 1
Pregunta
Which communication tool allows real-time collaboration?
Respuesta
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wiki
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e-mail
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weblog
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instant messaging
Pregunta 2
Pregunta
A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)
Respuesta
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regenerating data signals
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acting as a client or a server
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providing a channel over which messages travel
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applying security settings to control the flow of data
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notifying other devices when errors occur
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serving as the source or destination of the messages
Pregunta 3
Pregunta
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?
Respuesta
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DSL
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dial-up
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satellite
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cell modem
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cable modem
Pregunta 4
Pregunta
A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?
Respuesta
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LAN
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MAN
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WAN
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WLAN
Pregunta 5
Pregunta
Refer to the exhibit. From which location did this router load the IOS?
Respuesta
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flash memory
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NVRAM?
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RAM
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ROM
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a TFTP server?
Pregunta 6
Pregunta
Which connection provides a secure CLI session with encryption to a Cisco network device?
Respuesta
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a console connection
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an AUX connection
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a Telnet connection
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an SSH connection
Pregunta 7
Pregunta
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?
Respuesta
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The entire command, configure terminal, must be used.
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The administrator is already in global configuration mode.
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The administrator must first enter privileged EXEC mode before issuing the command.
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The administrator must connect via the console port to access global configuration mode.
Pregunta 8
Pregunta
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?
Respuesta
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to restart the ping process
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to interrupt the ping process
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to exit to a different configuration mode
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to allow the user to complete the command
Pregunta 9
Pregunta
What function does pressing the Tab key have when entering a command in IOS?
Respuesta
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It aborts the current command and returns to configuration mode.
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It exits configuration mode and returns to user EXEC mode.
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It moves the cursor to the beginning of the next line.
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It completes the remainder of a partially typed word in a command.
Pregunta 10
Pregunta
Refer to the exhibit. An administrator wants to change the name of a brand new switch, using the hostname command as shown. What prompt will display after the command is issued?
Respuesta
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My Switch(config)#
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Switch(config)#
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MySwitch(config)#
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My(config)#
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Switch#
Pregunta 11
Pregunta
Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses Telnet to connect to the switch, which password is needed to access user EXEC mode?
Respuesta
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letmein
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secretin
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lineconin
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linevtyin
Pregunta 12
Pregunta
Refer to the exhibit. Which action will be successful?
Respuesta
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PC1 can send a ping to 192.168.1.1.
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PC1 can send a ping to 192.168.1.254.
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PC2 can send a ping to 192.168.1.1.
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PC2 can send a ping to 192.168.1.254.
Pregunta 13
Pregunta
After making configuration changes, a network administrator issues a copy running-config startup-config command in a Cisco switch. What is the result of issuing this command?
Respuesta
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The new configuration will be stored in flash memory.
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The current IOS file will be replaced with the newly configured file.
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The configuration changes will be removed and the original configuration will be restored.
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The new configuration will be loaded if the switch is restarted.
Pregunta 14
Pregunta
Which IPv4 address can be pinged to test the internal TCP/IP operation of a host?
Respuesta
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0.0.0.0
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0.0.0.1
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127.0.0.1
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192.168.1.1
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255.255.255.255
Pregunta 15
Pregunta
What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)
Respuesta
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ARP
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DHCP
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DNS
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FTP
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NAT
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PPP
Pregunta 16
Pregunta
Which two protocols function at the internet layer? (Choose two.)
Respuesta
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ARP
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BOOTP
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ICMP
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IP
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PPP
Pregunta 17
Pregunta
Which publicly available resources describe protocols, processes, and technologies for the Internet but do not give implementation details?
Respuesta
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Request for Comments
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IRTF research papers
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protocol models
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IEEE standards
Pregunta 18
Pregunta
Which address on a PC does not change, even if the PC is moved to a different network?
Respuesta
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IP address
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default gateway address
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MAC address
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logical address
Pregunta 19
Pregunta
What is the protocol that is used to discover a physical address from a known logical address and what message type does it use?
Respuesta
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ARP, multicast
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DNS, unicast
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DNS, broadcast
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ARP, broadcast
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PING, multicast
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PING, broadcast
Pregunta 20
Pregunta
What will happen if the default gateway address is incorrectly configured on a host?
Respuesta
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The host cannot communicate with other hosts in the local network.
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The switch will not forward packets initiated by the host.
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The host will have to use ARP to determine the correct address of the default gateway.
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The host cannot communicate with hosts in other networks.
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A ping from the host to 127.0.0.1 would not be successful.
Pregunta 21
Pregunta
What is an important function of the physical layer of the OSI model?
Respuesta
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It accepts frames from the physical media.
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It encapsulates upper layer data into frames.
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It defines the media access method performed by the hardware interface.
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It encodes frames into electrical, optical, or radio wave signals.
Pregunta 22
Pregunta
Which procedure is used to reduce the effect of crosstalk in copper cables?
Respuesta
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requiring proper grounding connections
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twisting opposing circuit wire pairs together
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wrapping the bundle of wires with metallic shielding
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designing a cable infrastructure to avoid crosstalk interference
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avoiding sharp bends during installation
Pregunta 23
Pregunta
Which two statements describe the characteristics of fiber-optic cabling? (Choose two.)
Respuesta
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Fiber-optic cabling does not conduct electricity.
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Fiber-optic cabling has high signal loss.
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Fiber-optic cabling is primarily used as backbone cabling.
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Multimode fiber-optic cabling carries signals from multiple sending devices.
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Fiber-optic cabling uses LEDs for single-mode cab?les and laser technology for multimode cables.
Pregunta 24
Pregunta
What is contained in the trailer of a data-link frame?
Respuesta
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logical address
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physical address
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data
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error detection
Pregunta 25
Pregunta
What is the auto-MDIX feature on a switch?
Respuesta
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the automatic configuration of an interface for 10/100/1000 Mb/s operation
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the automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection
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the automatic configuration of full-duplex operation over a single Ethernet copper or optical cable
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the ability to turn a switch interface on or off accordingly if an active connection is detected
Pregunta 26
Pregunta
Refer to the exhibit. A ping to PC3 is issued from PC0, PC1, and PC2 in this exact order. Which MAC addresses will be contained in the S1 MAC address table that is associated with the Fa0/1 port?
Respuesta
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just PC0 and PC1 MAC addresses
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just the PC0 MAC address
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PC0, PC1, and PC2 MAC addresses
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just the PC1 MAC address
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just the PC2 MAC address?
Pregunta 27
Pregunta
How does a Layer 3 switch differ from a Layer 2 switch?
Respuesta
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A Layer 3 switch supports VLANs, but a Layer 2 switch does not.
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An IP address can be assigned to a physical port of a Layer 3 switch. However, this is not supported in Layer 2 switches.
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A Layer 3 switch maintains an IP address table instead of a MAC address table.
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A Layer 3 switch learns the MAC addresses that are associated with each of its ports. However, a Layer 2 switch does not.
Pregunta 28
Pregunta
What is the purpose of the routing process?
Respuesta
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to encapsulate data that is used to communicate across a network
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to select the paths that are used to direct traffic to destination networks
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to convert a URL name into an IP address
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to provide secure Internet file transfer
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to forward traffic on the basis of MAC addresses
Pregunta 29
Pregunta
Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?
Respuesta
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ARP
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DNS
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NAT
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SMB
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DHCP
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HTTP
Pregunta 30
Pregunta
Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?
Respuesta
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It is the IP address of the Router1 interface that connects the company to the Internet.
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It is the IP address of the Router1 interface that connects the PC1 LAN to Router1.
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It is the IP address of Switch1 that connects PC1 to other devices on the same LAN.
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It is the IP address of the ISP network device located in the cloud.
Pregunta 31
Pregunta
Which of the following are primary functions of a router? (Choose two.)
Respuesta
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packet switching
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microsegmentation
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domain name resolution
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path selection
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flow control
Pregunta 32
Pregunta
Which two statements correctly describe a router memory type and its contents? (Choose two.)
Respuesta
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ROM is nonvolatile and stores the running IOS.
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FLASH is nonvolatile and contains a limited portion of the IOS?.
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RAM is volatile and stores the running configuration.
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NVRAM is nonvolatile and stores a full version of the IOS.
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ROM is nonvolatile and stores bootup information.
Pregunta 33
Pregunta
In which default order will a router search for startup configuration information?
Respuesta
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NVRAM, RAM, TFTP
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NVRAM, TFTP, setup mode
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setup mode, NVRAM, TFTP
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TFTP, ROM, NVRAM
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flash, ROM, setup mode
Pregunta 34
Pregunta
What happens when part of an Internet VoIP transmission is not delivered to the destination?
Respuesta
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A delivery failure message is sent to the source host.
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The part of the VoIP transmission that was lost is re-sent.
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The entire transmission is re-sent.
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The transmission continues without the missing portion.
Pregunta 35
Pregunta
Which three IP addresses are private ? (Choose three.)
Respuesta
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10.172.168.1
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172.32.5.2
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192.167.10.10
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172.20.4.4
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192.168.5.254
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224.6.6.6
Pregunta 36
Pregunta
How many bits make up the single IPv6 hextet :10CD:?
Respuesta
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4
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8
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16
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32
Pregunta 37
Pregunta
What is the effect of configuring the ipv6 unicast-routing command on a router?
Respuesta
-
to assign the router to the all-nodes multicast group
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to enable the router as an IPv6 router
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to permit only unicast packets on the router
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to prevent the router from joining the all-routers multicast group
Pregunta 38
Pregunta
Which group of IPv6 addresses cannot be allocated as a host source address?
Respuesta
-
FEC0::/10?
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FDFF::/7?
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FEBF::/10?
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FF00::/8
Pregunta 39
Pregunta
What is the purpose of ICMP messages?
Respuesta
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to inform routers about network topology changes
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to ensure the delivery of an IP packet
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to provide feedback of IP packet transmissions
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to monitor the process of a domain name to IP address resolution
Pregunta 40
Pregunta
Refer to the exhibit. A technician has configured a user workstation with the IP address and default subnet masks that are shown. Although the user can access all local LAN resources, the user cannot access any Internet sites by using either FQDN or IP addresses. Based upon the exhibit, what could account for this failure?
Respuesta
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The DNS server addresses are incorrect.
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The default gateway address in incorrect.
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The wrong subnet mask was assigned to the workstation.
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The workstation is not in the same network as the DNS servers.
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