Question 251
Which technology prevents client devices from arbitrarily connecting to the network without state remediation?
A. 802.11n
B. 802.1x
C. MAC Authentication Bypass
D. IP Source Guard
Question 252
Which protocol does an access point use to draw power from a connected switch?
A. Internet Group Management Protocol
B. Cisco Discovery Protocol
C. Adaptive Wireless Path Protocol
D. Neighbor Discovery Protocol
Question 253
An administrator must secure the WLC from receiving spoofed association requests. Which steps must be taken to configure the WLC to restrict the requests and force the user to wait 10 ms to retry an association request?
A. Enable MAC filtering and set the SA Query timeout to 10.
B. Enable 802.1x Layer 2 security and set the Comeback timer to 10.
C. Enable Security Association Teardown Protection and set the SA Query timeout to 10.
D. Enable the Protected Management Frame service and set the Comeback timer to 10.
Question 254
Refer to the exhibit. Only four switches are participating in the VLAN spanning-tree process. Branch-1: priority 614440, Branch-2: priority 39391170, Branch-3: priority 0, Branch-4: root primary. Which switch becomes the permanent root bridge for VLAN 5?
A. Branch-1
B. Branch-2
C. Branch-3
D. Branch-4
Question 255
An engineer must configure traffic for a VLAN that is untagged by the switch as it crosses a trunk link. Which command should be used?
A. switchport trunk encapsulation dot1q
B. switchport trunk allowed vlan 10
C. switchport mode trunk
D. switchport trunk native vlan 10
Question 256
What are two benefits of using the PortFast feature? (Choose two.)
A. Enabled interfaces are automatically placed in listening state.
B. Enabled interfaces wait 50 seconds before they move to the forwarding state.
C. Enabled interfaces never generate topology change notifications.
D. Enabled interfaces come up and move to the forwarding state immediately.
E. Enabled interfaces that move to the learning state generate switch topology change notifications.
Question 257
What is the benefit of configuring PortFast on an interface?
A. The frames entering the interface are marked with the higher priority and then processed faster by a switch.
B. After the cable is connected, the interface is available faster to send and receive user data.
C. Real-time voice and video frames entering the interface are processed faster.
D. After the cable is connected, the interface uses the fastest speed setting available for that cable type.
Question 258
DRAG DROP - Drag and drop the functions of AAA supporting protocols from the left onto the protocols on the right. Select and Place:
Question 259
Why does a switch flood a frame to all ports?
A. The frame has zero destination MAC addresses.
B. The destination MAC address of the frame is unknown.
C. The source MAC address of the frame is unknown
D. The source and destination MAC addresses of the frame are the same.
Question 260
An engineer configures interface Gi1/0 on the company PE router to connect to an ISP. Neighbor discovery is disabled. Which action is necessary to complete the configuration if the ISP uses third-party network devices?
A. Disable autonegotiation.
B. Enable LLDP globally.
C. Enable LLDP-MED on the ISP device.
D. Disable Cisco Discovery Protocol on the interface.
