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Q1. what percentage of bandwidth is reduced when a stack cable is broken?

A. 0

B. 25

C. 50

D. 75

E. 100

Answer: C

Q2. In which portion of the frame is the 802.1q header found?

A. within the Ethernet header

B. within the Ethernet payload

C. within the Ethernet FCS

D. within the Ethernet source MAC address

Answer: A

Q3. A network is running VTPv2. After verifying all VTP settings, the network engineer notices that the new switch is not receiving the list of VLANs from the server. Which action resolves this problem?

A. Reload the new switch.

B. Restart the VTP process on the new switch.

C. Reload the VTP server.

D. Verify connected trunk ports.

Answer: D

Q4. Which feature describes MAC addresses that are dynamically learned or manually configured, stored in the address table, and added to the running configuration?

A. sticky

B. dynamic

C. static

D. secure

Answer: A

Q5. The network monitoring application alerts a network engineer of a client PC that is acting as a rogue DHCP server. Which two commands help trace this PC when the MAC address is known? (Choose two.)

A. switch# show mac address-table

B. switch# show port-security

C. switch# show ip verify source

D. switch# show ip arp inspection

E. switch# show mac address-table address <mac address>

Answer: AE

Q6. Pilot testing of the new switching infrastructure finds that when the root port is lost, STP immediately replaces the root port with an alternative root port. Which spanning-tree technology is used to accomplish backup root port selection?

A. PVST+

B. PortFast

C. BackboneFast

D. UplinkFast

E. Loop Guard

F. UDLD

Answer: D

Q7. Which statement about the UDLD protocol is true?

A. UDLD is a Cisco-proprietary Layer 2 protocol that enables devices to monitor the physical status of links and detect unidirectional failures.

B. UDLD is a Cisco-proprietary Layer 2 protocol that enables devices to advertise their identity, capabilities, and neighbors on a local area network.

C. UDLD is a standardized Layer 2 protocol that enables devices to monitor the physical status of links and detect unidirectional failures.

D. UDLD is a standardized Layer 2 protocol that enables devices to advertise their identity, capabilities, and neighbors on a local area network.

Answer: A

Q8. The command storm-control broadcast level 75 65 is configured under the switch port connected to the corporate mail server. In which three ways does this command impact the traffic? (Choose three.)

A. SNMP traps are sent by default when broadcast traffic reaches 65% of the lower-level threshold.

B. The switchport is disabled when unicast traffic reaches 75% of the total interface bandwidth.

C. The switch resumes forwarding broadcasts when they are below 65% of bandwidth.

D. Only broadcast traffic is limited by this particular storm control configuration.

E. Multicast traffic is dropped at 65% and broadcast traffic is dropped at 75% of the total interface bandwidth.

F. The switch drops broadcasts when they reach 75% of bandwidth.

Answer: CDF

Q9. After port security is deployed throughout an enterprise campus, the network team has been overwhelmed with port reset requests. They decide to configure the network to automate the process of re-enabling user ports. Which command accomplishes this task?

A. switch(config)# errdisable recovery interval 180

B. switch(config)# errdisable recovery cause psecure-violation

C. switch(config)# switchport port-security protect

D. switch(config)# switchport port-security aging type inactivity

E. switch(config)# errdisable recovery cause security-violation

Answer: B

Q10. A network engineer tries to configure storm control on an EtherChannel bundle. What is the result of the configuration?

A. The storm control settings will appear on the EtherChannel, but not on the associated physical ports.

B. The configuration will be rejected because storm control is not supported for EtherChannel.

C. The storm control configuration will be accepted, but will only be present on the physical interfaces.

D. The settings will be applied to the EtherChannel bundle and all associated physical interfaces.

Answer: D