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Share some CCNA Routing and Switching 200-125 exam questions and answers below.
A router has two Fast Ethernet interfaces and needs to connect to four VLANs in the local network. How can you accomplish this task, using the fewest physical interfaces and without decreasing network performance?
A. Use a hub to connect the four VLANS with a Fast Ethernet interface on the router.
B. Add a second router to handle the VLAN traffic.
C. Add two more Fast Ethernet interfaces.
D. Implement a router-on-a-stick configuration.
Answer: D
Which mode is compatible with Trunk, Access, and desirable ports?
A. Trunk Ports
B. Access Ports
C. Dynamic Auto
D. Dynamic Desirable
Answer: C
What are three advantages of VLANs? (Choose three.)
A. They establish broadcast domains in switched networks.
B. They utilize packet filtering to enhance network security.
C. They provide a method of conserving IP addresses in large networks.
D. They provide a low-latency internetworking alternative to routed networks.
E. They allow access to network services based on department, not physical location.
F. They can simplify adding, moving, or changing hosts on the network.
Answer: AEF
If you configure syslog messages without specifying the logging trap level, which log messages will the router send?
A. 0-4
B. 0-5
C. 0-6
D. 0-2
E. 0-1
Answer: C
Which of the following are benefits of VLANs? (Choose three.)
A. They increase the size of collision domains.
B. They allow logical grouping of users by function.
C. They can enhance network security.
D. They increase the size of broadcast domains while decreasing the number of collision domains.
E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.
F. They simplify switch administration.
Answer: BCE
Which two statements about northbound and southbound APIs are true? (Choose two.)
A. Only southbound APIs allow program control of the network.
B. Only northbound APIs allow program control of the network.
C. Only southbound API interfaces use a Service Abstraction Layer.
D. Only northbound API interfaces use a Service Abstraction Layer.
E. Both northbound and southbound API interfaces use a Service Abstraction Layer.
F. Both northbound and southbound APIs allow program control of the network.
Answer: BC
Which two statements about using leased lines for your WAN infrastructure are true? (Choose two.)
A. Leased lines provide inexpensive WAN access.
B. Leased lines with sufficient bandwidth can avoid latency between endpoints.
C. Leased lines require little installation and maintenance expertise.
D. Leased lines provide highly flexible bandwidth scaling.
E. Multiple leased lines can share a router interface.
F. Leased lines support up to T1 link speeds.
Answer: CD
What are three benefits of implementing vlans?(choose three)
A. A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure
B. Broadcast storms can be mitigated by decreasing the number of broadcast domains, thus increasing their size.
C. A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
D. Port-based vlans increase switch-port use efficient, thanks to 802.1Q trunks
E. A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
F. Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size.
G. VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to the same broadcast domain.
Answer: CEF
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