Free 642-813 Real Exam Questions

QUESTION 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 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 3
Refer to the exhibit

Which two of the following statements are true?
(Choose two)

A. DHCP snooping is enabled for 155 Vlans
B. DHCP snooping is enabled for a single Vlan
C. DHCP snooping is not enbabled for any VLan
D. Option 82 is enabled for VLAN 155
E. Portfast Fa0/5 and Fa0/6 should be kept shutdown as these are untrusted ports

Correct Answer: BD
Explanation


QUESTION 4
Refer to the exhibit


What happens to traffic within VLAN 14 with a source address of 172.16.10.5?

A. The traffic is forwarded to the TCAM for further processing
B. The traffic is forwarded to the router processor for further processing
C. The traffic is dropped
D. The traffic is forwarded without further processing

Correct Answer: C
Explanation

QUESTION 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


QUESTION 6
Which statements about the configuration and application of port access control lists is true?

A. PACLs can be applied in the inbound or outbound direction of a Layer2 physical interface
B. At Layer 2, a MAC address PACL takes precedence over any existing Layer 3 PACL
C. When you apply a port ACL trunk port, the ACL filters traffic on all VLANs present on the trunk port
D. PACL are not supported on EtherChannel interfaces

Correct Answer: C
Explanation


QUESTION 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


QUESTION 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


QUESTION 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


QUESTION 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