Free Sharing CertBus Updated Cisco 642-813 VCE and PDF Exam Practice Materials

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QUESTION NO:1

Which two RSTP port roles include the port as part of the active topology? (Choose two)

A. Root

B. Designated

C. Alternate

D. Backup

E. Forwarding

F. Learning

Correct Answer: AB Explanation

Explanation/Reference:

QUESTION NO:22

Which three statements about Dynamic ARP inspection are true? (Choose three)

A. It determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP snooping database

B. It forwards all ARP packets received on a trusted interface without any checks

C. It determinates the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table

D. It forwards all ARP packets received on a trusted interface after verifying and inspecting the packet against the Dynamic ARP inspection table

E. It intercepts all ARP packets on untrusted ports

F. It is used to prevent against a DHCP snooping attack

Correct Answer: ABE 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: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: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:23

Refer to the exhibit

From the configuration shown, what can be determined?

A. The sticky addresses are only those manually configured MAC addresses enabled with the sticky keyword

B. The remaining secure MAC addresses are learned dynamically, converted to sticky secure MAC addresses, and added to the running configuration

C. A voice VLAN is configured in this example, so port security should be set for a maximum of 2

D. A security violation restricts the number of addresses to a maximum of 10 addresses per access VLAN and voice VLAN. The port is shutdown if more than 10 devices per VLAN attempt to access the port

Correct Answer: B Explanation

Explanation/Reference:

QUESTION NO:7

Private VLANS can be configured as which three of these port types? (Choose three)

A. Isolated

B. Protected

C. Private

D. Associated

E. Promiscuous

F. Community

Correct Answer: AEF 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:2

When you enable port security on an interface that is also configured with a voice VLAN, what is the maximum number of secure MAC addresses that should be set on the port?

A. No more than one secure MAC address should be set

B. The default is set

C. The IP phone should use a dedicated port, therefore only one MAC address is needed per port

D. No value is needed if the switchport priority extend command is configured

E. No more than two secure MAC addresses should be set

Correct Answer: E Explanation

Explanation/Reference:

QUESTION NO:24

What is needed to verify that a newly implemented security solution is performing as expected?

A. A detailed physical and logical topology

B. A cost analysis of the implemented solution

C. Detailed logs from the AAA and SNMP servers

D. Results from audit testing of the implemented solution

Correct Answer: D Explanation Explanation/Reference:

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