CCNA 1 Chapter 6 v5 Exam Answers 2016

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CCNA 1 Chapter 6 v5 Exam Answers 2016
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CCNA 1 Chapter 6 v5 Exam Answers 2016

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?
copy startup-config flash
copy running-config flash
copy startup-config running-config
copy running-config startup-config*

Which IPv4 header field is responsible for defining the priority of the packet?​
traffic class
flow label
differentiated services*
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?
Transport layer UDP protocols
upper-layer connection-oriented protocols*
connectionless acknowledgements
Network layer IP protocols
Why is NAT not needed in IPv6?​
Any host or user can get a public IPv6 network address because the number of available IPv6 addresses is extremely large.​*
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.
Because IPv6 has integrated security, there is no need to hide the IPv6 addresses of internal networks.​
The problems that are induced by NAT applications are solved because the IPv6 header improves packet handling by intermediate routers.​


Refer to the exhibit. Fill in the blank.
A packet leaving PC-1 has to traverse “three” hops to reach PC-4.​

Which two interfaces will allow access via the VTY lines to configure the router? (Choose two.)
console interfaces
USB interfaces
WAN interfaces*
LAN interfaces*
aux interfaces

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?
the default gateway address*
the MAC address
the domain name of the organization
the WINS server address

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.)
password cisco *
line vty 0 4
line console 0 *
interface fastethernet 0/0
enable secret cisco
login * 

9. Match the configuration mode with the command that is available in that mode. (Not all options are used.)

Sort elements
enable -> R1>
copy running-config startup-config -> R1#
login -> R1(config-line)#
interface fastethernet 0/0 -> R1(config)#

10. Refer to the exhibit. Match the packets with their destination IP address to the exiting interfaces on the router. (Not all options are used.)

Sort elements
FastEthernet0/0 -> packets with destination of
FastEthernet0/1 -> packets with destination of
FastEthernet1/0 -> packets with destination of
FastEthernet1/1 -> packets with destination of
Serial0/0/0 -> packets with destination of

Which statement about router interfaces is true?
Commands that apply an IP address and subnet mask to an interface are entered in global configuration mode.
Once the no shutdown command is given, a router interface is active and operational.
Router LAN interfaces are not activated by default, but router WAN interfaces are.
A configured and activated router interface must be connected to another device in order to operate.*

A technician is configuring a router that is actively running on the network. Suddenly, power to the router is lost. If the technician has not saved the configuration, which two types of information will be lost? (Choose two.)
routing table*
ARP cache*
Cisco IOS image file
startup configuration
bootstrap file

13. Match field names to the IP header where they would be found. (Not all options are used)

Sort elements
IP v4 Header (A) -> Flags (A)
IP v4 Header (B) -> Total Length (B)
IP v6 Header (C) ->Traffic Class (C)
IP v6 Header (D) -> Flow Label (D)

How do hosts ensure that their packets are directed to the correct network destination?
They always direct their packets to the default gateway, which will be responsible for the packet delivery.
They send a query packet to the default gateway asking for the best route.
They search in their own local routing table for a route to the network destination address and pass this information to the default gateway.
They have to keep their own local routing table that contains a route to the loopback interface, a local network route, and a remote default route.​* 

What is a service provided by the Flow Label field of the IPv6 header?
It identifies the total length of the IPv6 packet.
It limits the lifetime of a packet.
It informs network devices to maintain the same path for real-time application packets.*
It classifies packets for traffic congestion control.

During the process of forwarding traffic, what will the router do immediately after matching the destination IP address to a network on a directly connected routing table entry?
look up the next-hop address for the packet
discard the traffic after consulting the route table
switch the packet to the directly connected interface*
analyze the destination IP address

Fill in the blank.

In a router, “ROM ” is the nonvolatile memory where the diagnostic software, the bootup instructions, and a limited IOS are stored.

Which two commands can be used on a Windows host to display the routing table? (Choose two.)
netstat -s
route print*
netstat -r*
show ip route

A computer has to send a packet to a destination host in the same LAN. How will the packet be sent?
The packet will be sent directly to the destination host.*
The packet will be sent only to the default gateway.
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.
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.

Which command displays a summary chart of all router interfaces, their IP addresses, and their current operational status?
show interfaces
show version
show ip route
show ip interface brief *

Which two files, if found, are copied into RAM as a router with the default configuration register setting boots up? (Choose two.)
POST diagnostics
running configuration
startup configuration*
IOS image file*


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

Does the router have enough RAM and flash memory to support the new IOS?
The router needs more RAM and more flash memory for the IOS upgrade.
The router has enough RAM, but needs more flash memory for the IOS upgrade.
The router has enough RAM and flash memory for the IOS upgrade.*
The router has enough flash memory, but needs more RAM for the IOS upgrade.

When would the Cisco IOS image held in ROM be used to boot the router?
when the running configuration directs the router to do this
during a normal boot process
when the full IOS cannot be found*
during a file transfer operation

24 Which type of static route that is configured on a router uses only the exit interface?

fully specified static route

default static route

directly connected static route*

recursive static route


25. Which characteristic of the network layer in the OSI model allows carrying packets for multiple types of communications among many hosts?

the de-encapsulation of headers from lower layers
the selection of paths for and direct packets toward the destination
the ability to operate without regard to the data that is carried in each packet*
the ability to manage the data transport between processes running on hosts

26. What are two characteristics of IP? (Choose two.)

does not require a dedicated end-to-end connection*
operates independently of the network media*
retransmits packets if errors occur
re-assembles out of order packets into the correct order at the receiver end
guarantees delivery of packets
27. When a connectionless protocol is in use at a lower layer of the OSI model, how is missing data detected and retransmitted if necessary?

Connectionless acknowledgements are used to request retransmission.
Upper-layer connection-oriented protocols keep track of the data received and can request retransmission from the upper-level protocols on the sending host.*
Network layer IP protocols manage the communication sessions if connection-oriented transport services are not available.
The best-effort delivery process guarantees that all packets that are sent are received.

28. Which field in the IPv4 header is used to prevent a packet from traversing a network endlessly?

Sequence Number
Acknowledgment Number
Differentiated Services

29. What IPv4 header field identifies the upper layer protocol carried in the packet?

Differentiated Services

30. What is one advantage that the IPv6 simplified header offers over IPv4?

smaller-sized header
little requirement for processing checksums
smaller-sized source and destination IP addresses
efficient packet handling*

31. Refer to the exhibit. Which route from the PC1 routing table will be used to reach PC2?


32. Refer to the exhibit. R1 receives a packet destined for the IP address Out which interface will R1 forward the packet?


33. What type of route is indicated by the code C in an IPv4 routing table on a Cisco router?

static route
default route
directly connected route*
dynamic route that is learned through EIGRP

34. What routing table entry has a next hop address associated with a destination network?

directly-connected routes
local routes
remote routes*
C and L source routes

35. Which statement describes a hardware feature of a Cisco 1941 router that has the default hardware configuration?

It does not have an AUX port.
It has three FastEthernet interfaces for LAN access.
It has two types of ports that can be used to access the console.*
It does not require a CPU because it relies on Compact Flash to run the IOS.

36. Following default settings, what is the next step in the router boot sequence after the IOS loads from flash?

Perform the POST routine.
Locate and load the startup-config file from NVRAM.*
Load the bootstrap program from ROM.
Load the running-config file from RAM.

37. What are two types of router interfaces? (Choose two.)


38. Which two pieces of information are in the RAM of a Cisco router during normal operation? (Choose two.)

Cisco IOS*
backup IOS file
IP routing table*
basic diagnostic software
startup configuration file
39. A router boots and enters setup mode. What is the reason for this?

The IOS image is corrupt.
Cisco IOS is missing from flash memory.
The configuration file is missing from NVRAM.*
The POST process has detected hardware failure.

40. What is the purpose of the startup configuration file on a Cisco router?

to facilitate the basic operation of the hardware components of a device
to contain the commands that are used to initially configure a router on startup*
to contain the configuration commands that the router IOS is currently using
to provide a limited backup version of the IOS, in case the router cannot load the full featured IOS

41. Which three commands are used to set up secure access to a router through a connection to the console interface? (Choose three.)

interface fastethernet 0/0
line vty 0 4
line console 0*
enable secret cisco
password cisco*
42.Which characteristic describes an IPv6 enhancement over IPv4?​

IPv6 addresses are based on 128-bit flat addressing as opposed to IPv4 which is based on 32-bit hierarchical addressing.
The IPv6 header is simpler than the IPv4 header is, which improves packet handling.*
Both IPv4 and IPv6 support authentication, but only IPv6 supports privacy capabilities.
The IPv6 address space is four times bigger than the IPv4 address space.​

43. Open the PT Activity. The enable password on all devices is cisco.
Perform the tasks in the activity instructions and then answer the question.
For what reason is the failure occurring?​

PC1 has an incorrect default gateway configured.
SW1 does not have a default gateway configured.*
The IP address of SW1 is configured in a wrong subnet.​
PC2 has an incorrect default gateway configured.

44. Match the command with the device mode at which the command is entered. (Not all options are used.)

Place de options in the following order.

R1(config)# -> service password-encrytion
R1> -> enable
– not scored –
R1# -> copy running-config startup-config
R1(config-line)# -> login
R1(config-if)# -> ip address


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