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QUESTION NO:18
What is the result of entering the command port-channel load-balance src-dst-ip on an EtherChannel link?
A. Packets are distributed across the ports in the channel based on the source and destination MAC addresses
B. Packets are distributed across the ports in the channel based on both the source and destination IP addresses
C. Packets are balanced across the ports in the channel based first on the source MAC address, then on the destination MAC address, then on the IP address
D. Packets are distributed across the access ports in the channel based first on the source IP address and then on the destination IP addresses
Correct Answer: B Explanation
Explanation/Reference:
QUESTION NO:8
Refer to the exhibit For the configuration shown, which is the recommended method of providing inter VLAN routing?
A. Determine which switch is the root bridge then connect a router on a stick to it
B. Configure SVIs on the core switches
C. Configure SVIs on the distribution switches
D. Configure SVIs on the access layer switches
Correct Answer: C Explanation
Explanation/Reference:
QUESTION NO:5
On a company switch named R1 you configure the following:
Ip arp inspection vlan 10-12, 15
What is the purpose of this global configuration command made on R1?
A. Discards ARP packets with invalid IP-to-MAC address bindings on trusted ports
B. Validates outgoing ARP requests for interfaces configured on VLAN 10, 11, 12, or 15
C. Intercepts, logs, and discards ARP packets with invalid IP-to-MAC address bindings
D. Intercepts all ARP requests and responses on trusted ports
E. None of the other alternatives apply
Correct Answer: C Explanation
Explanation/Reference:
QUESTION NO:14
You have configured a Cisco Catalyst switch to perform Layer 3 routing via an SVI and you have assigned that interface to VLAN 20. To check the status of SVI, you issue the show interfaces vlan 20 command at the CLI prompt. You see from the output display that the interface is in an up/up state. What must be true in a SVI configuration to bring the VLAN and line protocol ip?
A. The port must be physically connected to another Layer 3 device
B. At least one port in VLAN 20 must be active
C. The Layer3 routing protocol must be operational and receiving routing updated from neighboring peer devices
D. Because this is a virtual interface, the operational status is always in an
QUESTION NO:19
Refer to the exhibit Dynamic ARP inspection is enabled only on switch SW_A. Host_A and Host_B acquire their IP addresses form the DHCP server connected to switch SW_A. what would the outcome be if Host_B initiated an ARP spoof attack toward Host_A?
A. The spoof packets are inspected at the ingress port of switch SW_A and are permitted
B. The spoof packets are inspected at the ingress port of switch SW_A and are dropped
C. The spoof packets are not inspected at the ingress port of switch SW_A and are permitted
D. The spoof packets are not inspected at the ingress port of switch SW_A and are dropped
Correct Answer: C Explanation
Explanation/Reference:
QUESTION NO:15
Which description correctly describes a MAC address flooding attack?
A. The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking device then becomes the destination address found in the Layer 2 frames sent by the valid network device
B. The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking device the becomes the source address found in the Layer2 frames sent by the valid network device
C. The attacking device spoofs a destination MAC address of a valid host currently in the CAM table. The switch the forwards frames destined for the valid host to the attacking device
D. The attacking device spoofs a source MAC address of a valid host currently in the CAM table. The switch the forward frames destined for the valid host to the attacking device.
E. Frames with unique, invalid destination MAC addresses flood the switch and exhaust CAM table space. The result is that new entries cannot be inserted because of the exhausted CAM table space, and traffic is subsequently flooded out all ports.
F. Frames with unique, invalid source MAC addresses flood the switch and exhaust CAM table space. The result is that new entries cannot be inserted because of the exhausted CAM table space, and traffic is subsequently flooded out all ports.
Correct Answer: F Explanation
Explanation/Reference:
QUESTION NO:11
A network is deployed using recommended practices of the enterprise campus network model, including users with desktop computers connected via IP phones. Given that all components are QoS-capable, where are the two optimal locations for trust boundaries to be configured by the network administrator? (Choose two)
A. Host
B. IP phone
C. Access layer switch
D. Distribution layer switch
E. Core layer switch
Correct Answer: BC Explanation
Explanation/Reference:
QUESTION NO:20
When an attacker is using switch spoofing to perform VLAN hopping, how is the attacker able to gather information?
A. The attacking station uses DTP to negotiate trunking with a switch port and captures all traffic that is allowed on the trunk
B. The attacking station tags itself with all usable VLANs to capture data that is passed through the switch, regardless of the VLAN to which the data belongs
C. The attacking station generates frames with two 802.1Q headers to cause the switch to forward the frames to a VLAN that would be inaccessible to the attacker through legitimate means
D. The attacking station uses VTP to collect VLAN information that is sent out and then tags itself with the domain information to capture the data
Correct Answer: A Explanation
Explanation/Reference:
QUESTION NO:9
Which two items best describe a Cisco IOS IP SLA responder? (Choose two)
A. Required at the destination to implement Cisco IOS IP SLA services
B. Improves measurement accuracy
C. Required for VoIP jitter measurements
D. Provides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authentication
E. Responds to one Cisco IOS IP SLA operation per port
F. Stores the resulting test statistics
Correct Answer: BC Explanation
Explanation/Reference:
QUESTION NO:10
Refer to the exhibit
Host A has sent an ARP message to the default gateway IP address 10.10.10.1. Which statement is true?
A. Because of the invalid timers that are configured, DSw1 does not reply
B. DSw1 replies with the IP address of the next AVF
C. DSw1 replies with the MAC address of the next AVF
D. Because of the invalid timers that are configured, DS2 does not reply
E. DSw2 replies with the IP address of the next AVF
F. DSw2 replies with the MAC address of the next AVF
Correct Answer: F Explanation
Explanation/Reference:
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