Which interface or interfaces on switch SW_A can have the port security feature enabled?

Refer to the exhibit. Which interface or interfaces on switch SW_A can have the port security
feature enabled?

A.
Ports 0/1 and 0/2

B.
The trunk port 0/22 and the EtherChannel ports

C.
Ports 0/1, 0/2 and 0/3

D.
Ports 0/1, 0/2, 0/3, the trunk port 0/22 and the EtherChannel ports

E.
Port 0/1

F.
Ports 0/1, 0/2, 0/3 and the trunk port 0/22

Explanation:
Port security is a feature supported on Cisco Catalyst switches that restricts a switch port to
a specific set or number of MAC addresses. Those addresses can be learned dynamically or
configured statically. The port will then provide access to frames from only those addresses.
If, however, the number of addresses is limited to four but no specific MAC addresses are
configured, the port will allow any four MAC addresses to be learned dynamically, and port
access will be limited to those four dynamically learned addresses. A port security feature
called “sticky learning, ” available on some switch platforms, combines the features of
dynamically learned and statically configured addresses. When this feature is configured on
an interface, the interface converts dynamically learned addresses to “sticky secure”
addresses. This adds them to the running configuration as if they were configured using the
switchport port-security mac-address command.

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(4/July/2017 Updated) New 300-115 Exam Questions:

NEW QUESTION 391
In which two ways can a port respond to a port-security violation? (Choose two.)

A. The port enters the en-disabled state.
B. The Security Violation counter is incremented and the port sends an SNMP trap.
C. The Security Violation counter is incremented and the port sends a critical syslog message to the console.
D. The port triggers an EEM script to notify support staff and continues to forward traffic normally.
E. The port immediately begins to drop all traffic.
F. The port enters the shutdown state.

Answer: AF

NEW QUESTION 392
Which three functions does Dynamic ARP Inspection perform with invalid IP-to MAC address bindings? (Choose three.)

A. accepts
B. deletes
C. discards
D. bypasses
E. intercepts
F. logs

Answer: CEF

NEW QUESTION 393
Which two statements about 802.1Q are true? (Choose two.)

A. It encapsulates the original Ethernet frame and adds a VLAN identifier.
B. It increases the maximum size an Ethernet frame to 1094 bytes.
C. It is a Cisco proprietary protocol.
D. When It is enabled, it forces a recalculation of the frame check sequence field.
E. It supports 8-byte VLAN identifiers.
F. It adds a 32-bit field to the Ethernet frame between the source MAC address and length fields.

Answer: DF

NEW QUESTION 394
A physical switch port is part of an EtherChannel group. What happenes while the same port configured as a SPAN destination?

A. The port forwards traffic in the EtherChannel group and acts as a SPAN source simultaneously.
B. The port is removed from the EtherChannel group.
C. The port is put in the errdisabled state and can only be reenabled manually.
D. The operation is not allowed as an EtherChannel member cannot be a SPAN source port.

Answer: D

NEW QUESTION 395
Which two statements about CDP are true? (Choose two.)

A. CDP uses a TLV to advertise the native VLAN
B. CDP is not supported with SNMP
C. CDP is supported on Frame Relay sub interfaces.
D. CDP runs on OSI layer 2
E. CDP runs on OSI layer 1

Answer: AC

NEW QUESTION 396
Which two combinations of Ether Channel modes support the formation of an EtherChannel? (Choose two.)

A. desirable, passive
B. desirable, desirable
C. active, passive
D. passive, passive
E. active, desirable

Answer: BC

NEW QUESTION 397
……

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