What is a function of Wireless LAN Controller?

• A.monitor activity on wireless and wired LANs
• B.use SSIDs to distinguish between wireless clients.
• C.send LWAPP packets to access points.
• D.register with a single access point that controls traffic between wired and wireless endpoints.

Correct Answer: C

Lightweight APs (LAPs) is devices require no initial configuration. LAPs use the Lightweight Access Point Protocol (LWAPP) to communicate with a WLAN controller (WLC), as shown in the below figure. Controller-based APs are useful in situations where many APs are required in the network. As more APs are added, each AP is automatically configured and managed by the WLC.

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What is the difference in data transmission delivery and reliability between TCP and UDP?

• A.UDP sets up a connection between both devices before transmitting data. TCP uses the three-way handshake to transmit data with a reliable connection.
• B.TCP requires the connection to be established before transmitting data. UDP transmits data at a higher rate without ensuring packet delivery.
• C.TCP transmits data at a higher rate and ensures packet delivery. UDP retransmits lost data to ensure applications receive the data on the remote end.
• D.UDP is used for multicast and broadcast communication. TCP is used for unicast communication and transmits data at a higher rate with error checking.

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Refer to the exhibit.

Which two commands were used to create port channel 10? (Choose two )

• A.Option B
• B.Option D
• C.Option A
• D.Option C
• E.Option E

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Refer to the exhibit. After the configuration is applied, the two routers fail to establish an OSPF neighbor relationship. what is the reason for the problem?

• A.The network statement on Router1 is misconfigured.
• B.Router2 is using the default hello timer.
• C.The OSPF router IDs are mismatched.
• D.The OSPF process IDs are mismatched.

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Refer to the exhibit.

What is a reason for poor performance on the network interface?

• A.The interface is receiving excessive broadcast traffic.
• B.The bandwidth setting of the interface is misconfigured
• C.The interface is operating at a different speed than the connected device.
• D.The cable connection between the two devices is faulty.

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