1192535
Questão 1
Questão
After troubleshooting a router, the network administrator wants to save the router configuration so that it will be used automatically the next time that the router reboots. What command should be issued?
Responda
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copy startup-config flash
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copy running-config flash
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reload
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copy startup-config running-config
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copy running-config startup-config
Questão 2
Questão
Which IPv4 header field is responsible for defining the priority of the packet?
Responda
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traffic class
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flow label
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flags
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differentiated services
Questão 3
Questão
When connectionless protocols are implemented at the lower layers of the OSI model, what are usually used to acknowledge the data receipt and request the retransmission of missing data?
Responda
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Transport layer UDP protocols
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upper-layer connection-oriented protocols
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connectionless acknowledgements
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Network layer IP protocols
Questão 4
Responda
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Any host or user can get a public IPv6 network address because the number of available IPv6 addresses is extremely large.
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The end-to-end connectivity problems that are caused by NAT are solved because the number of routes increases with the number of nodes that are connected to the Internet.
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Because IPv6 has integrated security, there is no need to hide the IPv6 addresses of internal networks.
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The problems that are induced by NAT applications are solved because the IPv6 header improves packet handling by intermediate routers.
Questão 5
Questão
Which three commands are used to set up a password for a person who attaches a cable to a new router so that an initial configuration can be performed? (Choose three.)
Responda
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password cisco
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line console 0
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login
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line vty 0 4
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interface fastethernet 0/0
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enable secret cisco
Questão 6
Questão
After troubleshooting a router, the network administrator wants to save the router configuration so that it will be used automatically the next time that the router reboots. What command should be issued?
Responda
-
copy running-config startup-config
-
copy startup-config flash
-
copy running-config flash
-
reload
-
copy startup-config running-config
Questão 7
Questão
What is a service provided by the Flow Label field of the IPv6 header?
Responda
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It informs network devices to maintain the same path for real-time application packets.
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It identifies the total length of the IPv6 packet.
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It limits the lifetime of a packet.
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It classifies packets for traffic congestion control.
Questão 8
Questão
When connectionless protocols are implemented at the lower layers of the OSI model, what are usually used to acknowledge the data receipt and request the retransmission of missing data?
Responda
-
upper-layer connection-oriented protocols
-
Transport layer UDP protocols
-
connectionless acknowledgements
-
Network layer IP protocols
Questão 9
Questão
Fill in the blank. In a router, _____ is the nonvolatile memory where the diagnostic software, the bootup instructions, and a limited IOS are stored.
Responda
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ROM
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Idk...
Questão 10
Questão
Which two commands can be used on a Windows host to display the routing table? (Choose two.)
Responda
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route print
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netstat -r
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tracert
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show ip route
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netstat -s
Questão 11
Questão
A technician is manually configuring a computer with the necessary IP parameters to communicate over the corporate network. The computer already has an IP address, a subnet mask, and a DNS server. What else has to be configured for Internet access?
Responda
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the default gateway address
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the MAC address
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the domain name of the organization
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the WINS server address
Questão 12
Questão
Which command displays a summary chart of all router interfaces, their IP addresses, and their current operational status?
Responda
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show ip interface brief
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show interfaces
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show version
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show ip route
Questão 13
Questão
Which two files, if found, are copied into RAM as a router with the default configuration register setting boots up? (Choose two.)
Responda
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IOS image file
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startup configuration
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POST diagnostics
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running configuration
Questão 14
Questão
Which two interfaces will allow access via the VTY lines to configure the router? (Choose two.)
Responda
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LAN interface
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WAN interface
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console interfaces
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USB interfaces
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AUX interfaces
Questão 15
Questão
A computer has to send a packet to a destination host in the same LAN. How will the packet be sent?
Responda
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The packet will be sent directly to the destination host.
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The packet will be sent only to the default gateway.
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The packet will be sent to the default gateway first, and then, depending on the response from the gateway, it may be sent to the destination host.
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The packet will first be sent to the default gateway, and then from the default gateway it will be sent directly to the destination host.
Questão 16
Questão
Match the configuration mode with the command that is available in that mode.
Image:
20a (image/png)
Responda
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R1> == enable
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R1# == copy running-config startup-config
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login == R1(config-line)#
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interface fast ethernet 0/0 == R1(config)#
Questão 17
Responda
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Blah
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Blah2
Questão 18
Questão
Which statement about router interfaces is true?
Responda
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A configured and activated router interface must be connected to another device in order to operate.
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Blah.
Questão 19
Questão
A packet leaving PC-1 has to traverse “_____” hops to reach PC-4.
Image:
Clipboard02 (image/jpg)
Responda
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Two
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Three
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Four
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Five
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routing table
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