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Q1. Which command would a network engineer apply to error-disable a switchport when a packet-storm is detected?

A. router(config-if)#storm-control action shutdown

B. router(config-if)#storm-control action trap

C. router(config-if)#storm-control action error

D. router(config-if)#storm-control action enable

Answer: A

Q2. Refer to the exhibit.

When a network administrator is attempting an SSH connection to the device, in which order does the device check the login credentials?

A. RADIUS server, local username, line password

B. RADIUS server, line password, local username

C. Line password, local username, RADIUS server

D. Line password, RADIUS server, local username

Answer: A

Q3. After implementing VTP, the extended VLANs are not being propagated to other VTP switches. What should be configured for extended VLANs?

A. VTP does not support extended VLANs and should be manually added to all switches.

B. Enable VTP version 3, which supports extended VLAN propagation.

C. VTP authentication is required when using extended VLANs because of their ability to cause network instability.

D. Ensure that all switches run the same Cisco IOS version. Extended VLANs will not propagate to different IOS versions when extended VLANs are in use.

Answer: B

Q4. after UDLD is implemented, a Network Administrator noticed that one port stops receiving UDLD packets. This port continues to reestablish until after eight failed retries. The port then transitions into the errdisable state. Which option describes what causes the port to go into the errdisable state?

A. Normal UDLD operations that prevent traffic loops.

B. UDLD port is configured in aggressive mode.

C. UDLD is enabled globally.

D. UDLD timers are inconsistent.

Answer: B

Q5. Which statement describes what happens when a switch enters dual active recovery mode?

A. The switch shuts down and waits for the VSL link to be restored before sending traffic.

B. All interfaces are shut down in the formerly active virtual switch member, but the new active virtual switch forwards traffic on all links.

C. The switch continues to forward traffic out all links and enables spanning tree on VSL link and all other links to prevent loops.

D. The VSS detects which system was last in active state and shuts down the other switch.

Answer: B

Q6. Which feature must be enabled to eliminate the broadcasting of all unknown traffic to switches that are not participating in the specific VLAN?

A. VTP pruning

B. port-security

C. storm control

D. bpdguard

Answer: A

Q7. Which option describes a limitation of LLDP?

A. LLDP cannot provide information about VTP.

B. LLDP does not support TLVs.

C. LLDP can discover only Windows servers.

D. LLDP can discover up to two devices per port.

Answer: A

Q8. Which type of information does the DHCP snooping binding database contain?

A. untrusted hosts with leased IP addresses

B. trusted hosts with leased IP addresses

C. untrusted hosts with available IP addresses

D. trusted hosts with available IP addresses

Answer: A

Q9. Which switch feature prevents traffic on a LAN from being overwhelmed by continuous multicast or broadcast traffic?

A. storm control

B. port security

C. VTP pruning

D. VLAN trunking

Answer: A

Q10. Refer to the exhibit.

When troubleshooting a network problem, a network analyzer is connected to Port f0/1 of a LAN switch. Which command can prevent BPDU transmission on this port?

A. spanning-tree portfast bpduguard enable

B. spanning-tree bpduguard default

C. spanning-tree portfast bpdufilter default

D. no spanning-tree link-type shared

Answer: C