What is the benefit of configuring PortFast on an interface?

• A.After the cable is connected, the interface uses the fastest speed setting available for that cable type
• B.The frames entering the interface are marked with higher priority and then processed faster by a switch.
• C.After the cable is connected, the interface is available faster to send and receive user data
• D.Real-time voice and video frames entering the interface are processed faster

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Which configuration ensures that the switch is always the root for VLAN 750?

• A.Switch(config)#spanning-tree vlan 750 priority 38003685
• B.Switch(config)#spanning-tree vlan 750 root primary
• C.Switch(config)#spanning-tree vlan 750 priority 614440
• D.Switch(config)#spanning-tree vlan 750 priority 0

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Refer to the exhibit.

If R1 receives a packet destined to 172.161.1, to which IP address does it send the packet?

• A.192.168.13.3
• B.192.168.14.4
• C.192.168.12.2
• D.192.168.15.5

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Refer to the exhibit.

An engineer configured the New York router with state routes that point to the Atlanta and Washington sites. When command must be configured on the Atlanta and Washington routers so that both sites are able to reach the loopback2 interface on the New York router?

• A.ipv6 route ::/0 Serial 0/0/0
• B.ip route 0.0.0.0.0.0.0.0 Serial 0/0/0
• C.ipv6 route ::/0 2000::2
• D.ipv6 route ::/0 Serial 0/0/1
• E.ipv6 route 0/0 Serial 0/0/0

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An email user has been lured into clicking a link in an email sent by their company's security organization. The webpage that opens reports that it was safe but the link could have contained malicious code. Which type of security program is in place?

• A.Physical access control
• B.Social engineering attack
• C.brute force attack
• D.user awareness

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