644-068 Engineer Practice Questions
The free 644-068: Advanced Routing and Switching for Field Engineers - ARSFE questions that deal with engineer, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #1
A network engineer is troubleshooting an OSPF issue where routes are not being learned. What could be the potential cause?
Correct answer: A
Explanation
Incorrect area configurations in OSPF can lead to routes not being shared or learned between routers.
Question #2
During a site visit, an engineer discovers that BGP routes are not being propagated between two peers. What is the first step in troubleshooting this issue?
Correct answer: D
Explanation
Ensuring the AS numbers are matching is essential in BGP for successful peer relationships.
Question #3
An engineer needs to configure EIGRP to support multiple VLANs on a single interface. What command allows this?
Correct answer: A
Explanation
The command encapsulation dot1Q 10 is used to configure the interface for multiple VLAN tagging on a trunked link.
Question #6
A network engineer is troubleshooting an OSPF issue where routes are not being learned. What could be the potential cause?
Correct answer: A
Explanation
Incorrect area configurations in OSPF can lead to routes not being shared or learned between routers.
Question #7
During a site visit, an engineer discovers that BGP routes are not being propagated between two peers. What is the first step in troubleshooting this issue?
Correct answer: A
Explanation
Ensuring the AS numbers are matching is essential in BGP for successful peer relationships.
Question #8
An engineer needs to configure EIGRP to support multiple VLANs on a single interface. What command allows this?
Correct answer: B
Explanation
The command encapsulation dot1Q 10 is used to configure the interface for multiple VLAN tagging on a trunked link.
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