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Q81. A network engineer notices inconsistent Cisco Discovery Protocol neighbors according to the diagram that is provided. The engineer notices only a single neighbor that uses Cisco Discovery Protocol, but it has several routing neighbor relationships. What would cause the output to show only the single neighbor?

A. The routers are connected via a Layer 2 switch.

B. IP routing is disabled on neighboring devices.

C. Cisco Express Forwarding is enabled locally.

D. Cisco Discovery Protocol advertisements are inconsistent between the local and remote devices.

Answer: A

Q82. On which interface can port security be configured?

A. static trunk ports

B. destination port for SPAN

C. EtherChannel port group

D. dynamic access point

Answer: A

Q83. When you configure private VLANs on a switch, which port type connects the switch to the gateway router?

A. promiscuous

B. community

C. isolated

D. trunked

Answer: A

Q84. Which command is needed to enable DHCP snooping if a switchport is connected to a DHCP server?

A. ip dhcp snooping trust

B. ip dhcp snooping

C. ip dhcp trust

D. ip dhcp snooping information

Answer: A

Q85. RSPAN has been configured on a Cisco Catalyst switch; however, traffic is not being replicated to the remote switch. Which type of misconfiguration is a cause?

A. The RSPAN designated VLAN is missing the remote span command.

B. The local and remote RSPAN switches are configured using different session IDs.

C. The local RSPAN switch is replicating only Rx traffic to the remote switch.

D. The local switch is overloaded with the amount of sourced traffic that must be replicated to the remote switch.

Answer: A

Q86. After the recent upgrade of the switching infrastructure, the network engineer notices that the port roles that were once "blocking" are now defined as "alternate" and "backup." What is the reason for this change?

A. The new switches are using RSTP instead of legacy IEEE 802.1D STP.

B. IEEE 802.1D STP and PortFast have been configured by default on all newly implemented Cisco Catalyst switches.

C. The administrator has defined the switch as the root in the STP domain.

D. The port roles have been adjusted based on the interface bandwidth and timers of the new Cisco Catalyst switches.

Answer: A

Q87. Which configuration command ties the router hot standby priority to the availability of its interfaces?

A. standby group

B. standby priority

C. backup interface

D. standby track

Answer: D

Q88. A network engineer is setting up a new switched network. The network is expected to grow and add many new VLANs in the future. Which Spanning Tree Protocol should be used to reduce switch resources and managerial burdens that are associated with multiple spanning-tree instances?






Answer: C