This CCNA 4, Chapter 2 Exam assesses knowledge on configuring and troubleshooting serial interfaces, understanding PPP protocol, and identifying key components in network communication. It is crucial for learners aiming to excel in network administration and support.
link-negotiation frames
link-acknowledgment frames
link-maintenance frames
Link-termination frames
link-control frames
link-establishment frames
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by using separate NCPs
by negotiating with the network layer handler
by encoding the information field in the PPP frame
by specifying the protocol during link establishment through LCP
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A single byte of binary 00000000
a single byte of binary 10101010
a single byte of binary 11111111
the IP address of the serial interface
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Data
FCS
Control
Flag
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When router resources are limited
when multilink PPP is used
when plain text passwords are needed to simulate login at the remote host
When a network administrator prefers it because of ease of configuration
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On a physical serial interface
on a subinterface
on a multilink interface
On a physical Ethernet interface
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CHAP authentication failed because of an unknown hostname.
A PPP session was successfully established.
Both PAP and CHAP authentication were attempted.
The debug output is from router R2.
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The usernames do not match.
The passwords do not match.
The passwords should be longer than 8 characters.
The interface IP addresses are in different subnets.
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Option for authentication
higher speed transmission
fixed-size frames
option for session establishment
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NCP
LCP
IPCP
IPXCP
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Serial 0/0/0 is up, line protocol is up
Serial 0/0/0 is up, line protocol is down
Serial 0/0/0 is down, line protocol is down
Serial 0/0/0 is up (looped)
Serial 0/0/0 is up (disabled)
Serial 0/0/0 is administratively down, line protocol is down
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1.544 Mb/s
64 kb/s
128 b/s
43.736 Mb/s
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Issue the command ppp quality 70.
Issue the command ppp quality 100.
Set the DCE interface to a lower clock rate.
Use the bandwidth command to increase the bandwidth of the link.
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PAP authentication was misconfigured on the link interfaces.
The clock rates configured on each serial interface do not match.
Link Quality Monitoring was not configured correctly on each interface.
The compress command was used when PPP was configured on the interfaces.
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Magic Number
MRU
Callback
ACCM
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Configure CHAP authentication on each router.
Configure PPP multilink interfaces on each router.
Configure an IPv6 address on each interface on the link.
Issue the compress predictor command on each interface on the link.
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FastEthernet
GigabitEthernet
Ethernet
Synchronous serial
HSSI
Asynchronous serial
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Authorization
LCP
Parallel communications
NCP
Support for LAN and WAN
HDLC-like framing
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Ethernet
Frame Relay
HDLC
PPP
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LCP tests the quality of the link.
LCP manages compression on the link.
Only a single NCP is allowed between the two routers.
NCP terminates the link when data exchange is complete.
With CHAP authentication, the routers exchange plain text passwords.
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In each case the expected username is not the same as the remote router hostname.
The passwords are different in both routers.
The encapsulation in both routers does not match.
The authentication type is not the same in both routers.
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