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السؤال #1
What is the primary effect of the spanning-tree portfast command?
A. it enables BPDU messages
B. It minimizes spanning-tree convergence time
C. It immediately puts the port into the forwarding state when the switch is reloaded
D. It immediately enables the port in the listening state
عرض الإجابة
اجابة صحيحة: A
السؤال #2
What are two characteristics of a controller-based network? (Choose two)
A. The administrator can make configuration updates from the CLI
B. It uses northbound and southbound APIs to communicate between architectural layers
C. It moves the control plane to a central point
D. It decentralizes the control plane, which allows each device to make its own forwarding decisions
E. It uses Telnet to report system issues
عرض الإجابة
اجابة صحيحة: AC
السؤال #3
Which network allows devices to communicate without the need to access the Internet?
A. 1729
B. 172
C. 192
D. 209
عرض الإجابة
اجابة صحيحة: B
السؤال #4
How does HSRP provide first hop redundancy?
A. It load-balances traffic by assigning the same metric value to more than one route to the same destination m the IP routing table
B. It load-balances Layer 2 traffic along the path by flooding traffic out all interfaces configured with the same VLAN
C. It forwards multiple packets to the same destination over different routed links n the data path
D. It uses a shared virtual IMC and a virtual IP address to a group of routers that serve as the default gateway for hosts on a LAN
عرض الإجابة
اجابة صحيحة: C
السؤال #5
Which action is taken by a switch port enabled for PoE power classification override?
A. When a powered device begins drawing power from a PoE switch port a syslog message is generated
B. As power usage on a PoE switch port is checked data flow to the connected device is temporarily paused
C. If a switch determines that a device is using less than the minimum configured power it assumes the device has failed and disconnects
D. If a monitored port exceeds the maximum administrative value for power, the port is shutdown and err-disabled
عرض الإجابة
اجابة صحيحة: D
السؤال #6
Refer to Exhibit. An engineer is configuring the NEW York router to reach the Lo1 interface of the Atlanta router using interface Se0/0/0 as the primary path. Which two commands must be configured on the New York router so that it can reach the Lo1 interface of the Atlanta router via Washington when the link between New York and Atlanta goes down? (Choose two)
A. ipv6 router 2000::1/128 2012::1
B. ipv6 router 2000::1/128 2012::1 5
C. ipv6 router 2000::1/128 2012::2
D. ipv6 router 2000::1/128 2023::2 5
E. ipv6 router 2000::1/128 2023::3 5
عرض الإجابة
اجابة صحيحة: D
السؤال #7
A frame that enters a switch fails the Frame Check Sequence. Which two interface counters are incremented? (Choose two)
A. runts
B. giants
C. frame
D. CRC
E. input errors
عرض الإجابة
اجابة صحيحة: DE
السؤال #8
Which mode must be used to configure EtherChannel between two switches without using a negotiation protocol?
A. on
B. auto
C. active
D. desirable
عرض الإجابة
اجابة صحيحة: DE
السؤال #9
An engineer is asked to protect unused ports that are configured in the default VLAN on a switch. Which two steps will fulfill the request? (Choose two)
A. Configure the ports in an EtherChannel
B. Administratively shut down the ports
C. Configure the port type as access and place in VLAN 99
D. Configure the ports as trunk ports
E. Enable the Cisco Discovery Protocol
عرض الإجابة
اجابة صحيحة: A

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