1. CCNA V5.0 - CCNA V5 ANSWERS
CCNA 4 Chapter 3 v5.0 Exam Answers 2014
December 11, 2013 by quocvuong · Leave a Comment
CCNA 4 Chapter 3 v5.0 Exam Answers
CATEGORIES
CCNA 1 V 5
CCNA 2 V 5
CCNA 3 V 5
CCNA 4 V 5
1.
Packet Tracer
Which address is used in the Address field of a PPP frame?
a single byte of binary 10101010
a single byte of binary 11111111
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the IP address of the serial interface
CCNA 4 V 5.0 Final Ex am 201 4
a single byte of binary 00000000
CCNA 4 Chapter 3 v 5.0 Ex am Answers
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CCNA 4 Chapter 2 v 5.0 Ex am Answers
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CCNA 4 Chapter 1 v 5.0 Ex am Answers
How does PPP interface with different network layer protocols?
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by specifying the protocol during link establishment through LCP
CCNA 3 v 5 Final Ex am Answers 201 4
by encoding the information field in the PPP frame
CCNA 3 v 5.0 Scaling networks Final
by using separate NCPs
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by negotiating with the network layer handler
CCNA 1 Chapter 1 v 5.0 Ex am Answers
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CCNA 1 Chapter 2 v 5.0 Ex am Answers
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CCNA 1 Chapter 3 v 5.0 Ex am Answers
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CCNA 1 Chapter 4 v 5.0 Ex am Answers
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CCNA 1 Chapter 5 v 5.0 Ex am Answers
Which command can be used to view the cable type that is attached to a serial interface?
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Router(config)# show controllers
CCNA 1 Chapter 6 v 5.0 Ex am Answers
Router(config)# show ip interface
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Router(config)# show interfaces
CCNA 1 Chapter 7 v 5.0 Ex am Answers
Router(config)# show ip interface brief
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CCNA 1 Chapter 8 v 5.0 Ex am Answers
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CCNA 1 Chapter 9 v 5.0 Ex am Answers
5
In which situation would the use of PAP be preferable to the use of CHAP?
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when plain text passwords are needed to simulate login at the remote host
when router resources are limited
when multilink PPP is used
when a network administrator prefers it because of ease of configuration
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6
Which protocol will terminate the PPP link after the exchange of data is complete?
IPCP
LCP
IPXCP
NCP
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3. Refer to the exhibit. Which statement describes the status of the PPP connection?
Both the link-establishment and network-layer phase completed successfully.
Only the network-layer phase completed successfully.
Only the link-establishment phase completed successfully.
Neither the link-establishment phase nor the network-layer phase completed successfully.
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Which is an advantage of using PPP on a serial link instead of HDLC?
option for session establishment
higher speed transmission
option for authentication
fixed-size frames
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9
Which three statements are true about PPP? (Choose three.)
PPP can use synchronous and asynchronous circuits.
PPP carries packets from several network layer protocols in LCPs.
PPP can only be used between two Cisco devices.
PPP uses LCPs to agree on format options such as authentication, compression, and error
detection.
PPP uses LCPs to establish, configure, and test the data link connection.
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10
When configuring Multilink PPP, where is the IP address for the multilink bundle
configured?
on a subinterface
on a physical serial interface
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4. on a physical Ethernet interface
on a multilink interface
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11
Which field marks the beginning and end of an HDLC frame?
FCS
Flag
Control
Data
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12
Refer to the exhibit. Based on the debug command output that is shown, which statement
is true of the operation of PPP.
Both PAP and CHAP authentication were attempted.
A PPP session was successfully established.
CHAP authentication failed because of an unknown hostname.
The debug output is from router R2.
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13
During a PPP session establishment phase, which two messages are sent by the requested
party if the options are not acceptable? (Choose two.)
Configure-Reject
Code-Reject
Discard-Request
Configure-Nak
Protocol-Reject
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5. A network administrator is evaluating authentication protocols for a PPP link. Which
three factors might lead to the selection of CHAP over PAP as the authentication protocol?
(Choose three.)
uses an unpredictable variable challenge value to prevent playback attacks
uses a three-way authentication periodically during the session to reconfirm identities
transmits login information in encrypted format
control by the remote host of the frequency and timing of login events
establishes identities with a two-way handshake
makes authorized network administrator intervention a requirement to establish each
session
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What are three components of PPP? (Choose three.)
LCP
multilink
NCP
HDLC-like framing
compression
authentication
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17
Refer to the exhibit. A network administrator is configuring the PPP link between the two
routers. However, the PPP link cannot be established. Based on the partial output of the
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6. show running-config command, what is the cause of the problem?​
The passwords do not match.
The usernames do not match.
The passwords should be longer than 8 characters.
The interface IP addresses are in different subnets.
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Which PPP option can detect links that are in a looped-back condition?
Magic Number
Callback
MRU
ACCM
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Which three are types of LCP frames used with PPP? (Choose three.)
link-negotiation frames
link-acknowledgment frames
link-maintenance frames
link-termination frames
link-establishment frames
link-control frames
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20
At which layer of the OSI model does multiplexing take place?
Layer 3
Layer 4
Layer 2
Layer 1
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7. ____________________________________________________________________
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22
Which three physical layer interfaces support PPP? (Choose three.)
GigabitEthernet
asynchronous serial
HSSI
synchronous serial
POTS
FastEthernet
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Error
Status
This will open the PT activity. Any changes made will be saved for the duration of this
exam session
This will close the PT activity, but any changes made will be saved for the duration of this
exam session. To resume your work on this PT Activity, click “Launch PT” to reopen and
resume your work in PT.
Open the PT Activity. Perform the tasks in the activity instructions and then answer the
question.
Why is the serial link between router R1 and router R2 not operational?
The encapsulation in both routers does not match.
The passwords are different in both routers.
In each case the expected username is not the same as the remote router hostname.
The authentication type is not the same in both routers.
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8. ____________________________________________________________________
24
Which serial 0/0/0 interface state will be shown if no serial cable is attached to the router,
but everything else has been correctly configured and turned on?
Serial 0/0/0 is up, line protocol is down
Serial 0/0/0 is administratively down, line protocol is down
Serial 0/0/0 is up (disabled)
Serial 0/0/0 is up, line protocol is up
Serial 0/0/0 is down, line protocol is down
Serial 0/0/0 is up (looped)
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Filed Under: CCNA 4 V5 ·
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