This CCNA 4, Chapter 8 exam assesses knowledge on network performance baselines, troubleshooting processes, and change-control procedures. It focuses on practical skills crucial for maintaining and optimizing corporate network environments, making it essential for aspiring network engineers.
It creates a point of reference for future network evaluations.
It provides a statistical average for network performance.
It manages the performance of network devices.
It checks the security configuration of network devices.
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IP address and prefix lengths
routing protocols
static routes
device models and manufacturers
Cable specifications
Device locations
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Document the symptoms.
Determine the symptoms.
Gather information.
Determine ownership.
Narrow the scope.
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change-control procedures
one of the layered troubleshooting approaches
knowledge base guidelines
syslog messages and reports
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Correct the problem.
Narrow the scope.
Question end users.
Document symptoms.
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Documenting symptoms
Determining ownership
Narrowing the scope
Gathering symptoms from suspect devices
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Is your email working now?
How big are the emails you tried to send?
What kind of equipment are you using to send emails?
When did you first notice your email problem?
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From the network layer to the application layer
All of the layers
From the network layer to the physical layer
Only the network layer
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Network
Application
Internet
Session
Transport
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Bottom-up
Top-down
Substritution
Divide-and-conquer
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IP SLA 99 is sending echo requests every 10 seconds.
IP SLA 99 is measuring jitter.
IP SLA 99 is scheduled to begin in 2 hours.
IP SLA 99 is sending echo requests from IP address 192.168.2.1.
IP SLA 99 is configured with the type dns target-addr 192.168.2.1 command.
IP SLA 99 will run forever unless explicitly disabled.
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Fault-management tool
Protocol analyzer
Baselining tool
Cable analyzer
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Network management system tools
Knowledge bases
Baselining tools
Host-based protocol analyzers
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NAM
TDR
Digital multimeter
Portable network analyzer
DTX cable analyzer
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0
1
6
7
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The power outlet to the PC that is used by the caller
The trunks between switches in the wiring closet
The status of the departmental workgroup switch in the wiring closet
The cable that connects the PC of the caller to the network jack
The cable connection between a PC and a network outlet that is used by a neighbor
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Corrupted NIC driver
Cabling faults
Ethernet signal attenuation
Corrupted application installation
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Layer 1
Layer 2
Layer 3
Layer 4
Layer 7
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Ipconfig
Arp -a
Nslookup
Ping
Telnet
Tracert
Netsh interface ipv6 show neighbor
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Application
Transport
Internet
Network access
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The PC has a missing or incorrect default gateway.
The default gateway router does not have a default route.
The switch port to which the PC connects has an incorrect VLAN configured.
The link between the switch to which the PC connects and the default gateway router is down.
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The ASBR does not have OSPF configured.
The ASBR does not have OSPF neighbor.
The other routers are not configured to accept LSA type 4s.
The ASBR should use the exit_interface argument instead of next-hop on the default route.
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Static NAT has not been configured properly or at all.
The server does not have a private IP address assigned.
The default gateway router for the server does not have a default route.
The switch port to which the server connects has an incorrect VLAN configured.
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A serial interface encapsulation is configured incorrectly.
A default route on HQ is not configured.
The DNS server address on PC0 is configured incorrectly.
The clock rate on Branch S0/0/0 is configured incorrectly.
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