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CCNA Security Chapter 6 Exam

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CCNA Security Chapter 6 Exam

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Question 1 of 24

1

Refer to the exhibit. The Fa0/2 interface on switch S1 has been configured with the switchport port-security mac-address 0023.189d.6456 command and a workstation has been connected. What could be the reason that the Fa0/2 interface is shutdown?

Select one of the following:

The connection between S1 and PC1 is via a crossover cable
The Fa0/24 interface of S1 is configured with the same MAC address as the Fa0/2 interface
S1 has been configured with a switchport port-security aging command
The MAC address of PC1 that connects to the Fa0/2 interface is not the configured MAC address

Explanation

Question 2 of 24

1

Two devices that are connected to the same switch need to be totally isolated from one another. Which Cisco switch security feature will provide this isolation?

Select one of the following:

PVLAN Edge
DTP
SPAN
BPDU guard

Explanation

Question 3 of 24

1

Which two functions are provided by Network Admission Control?

Select one or more of the following:

protecting a switch from MAC address table overflow attacks
enforcing network security policy for hosts that connect to the network
ensuring that only authenticated hosts can access the network
stopping excessive broadcasts from disrupting network traffic
limiting the number of MAC addresses that can be learned on a single switch port

Explanation

Question 4 of 24

1

Which spanning-tree enhancement prevents the spanning-tree topology from changing by blocking a port that receives a superior BPDU?

Select one of the following:

BDPU filter
PortFast
BPDU guard
root guard

Explanation

Question 5 of 24

1

Which security feature should be enabled in order to prevent an attacker from overflowing the MAC address table of a switch?

Select one of the following:

root guard
port security
storm control
BPDU filter

Explanation

Question 6 of 24

1

In what situation would a network administrator most likely implement root guard?

Select one of the following:

on all switch ports (used or unused)
on all switch ports that connect to a Layer 3 device
on all switch ports that connect to host devices
on all switch ports that connect to another switch
on all switch ports that connect to another switch that is not the root bridge

Explanation

Question 7 of 24

1

What component of Cisco NAC is responsible for performing deep inspection of device security profiles?

Select one of the following:

Cisco NAC Profiler
Cisco NAC Agent
Cisco NAC Manager
Cisco NAC Server

Explanation

Question 8 of 24

1

What is the role of the Cisco NAC Manager in implementing a secure networking infrastructure?

Select one of the following:

to define role-based user access and endpoint security policies
to assess and enforce security policy compliance in the NAC environment
to perform deep inspection of device security profiles
to provide post-connection monitoring of all endpoint devices

Explanation

Question 9 of 24

1

What is the role of the Cisco NAC Server within the Cisco Secure Borderless Network Architecture?

Select one of the following:

providing the ability for company employees to create guest accounts
providing post-connection monitoring of all endpoint devices
defining role-based user access and endpoint security policies
assessing and enforcing security policy compliance in the NAC environment

Explanation

Question 10 of 24

1

What is the role of the Cisco NAC Guest Server within the Cisco Borderless Network architecture?

Select one of the following:

It defines role-based user access and endpoint security policies.
It provides the ability for creation and reporting of guest accounts
It provides post-connection monitoring of all endpoint devices
It performs deep inspection of device security profiles

Explanation

Question 11 of 24

1

Which three functions are provided under Cisco NAC framework solution? (Choose three.)

Select one or more of the following:

VPN connection
AAA services
intrusion prevention
scanning for policy compliance
secure connection to servers
remediation for noncompliant devices

Explanation

Question 12 of 24

1

Which feature is part of the Antimalware Protection security solution?

Select one of the following:

file retrospection
user authentication and authorization
data loss prevention
spam blocking

Explanation

Question 13 of 24

1

What security countermeasure is effective for preventing CAM table overflow attacks?

Select one of the following:

DHCP snooping
Dynamic ARP Inspection
IP source guard
port security

Explanation

Question 14 of 24

1

What is the behavior of a switch as a result of a successful CAM table attack?

Select one of the following:

The switch will forward all received frames to all other ports
The switch will drop all received frames
The switch interfaces will transition to the error-disabled state
The switch will shut down

Explanation

Question 15 of 24

1

What additional security measure must be enabled along with IP Source Guard to protect against address spoofing?

Select one of the following:

port security
BPDU Guard
root guard
DHCP snooping

Explanation

Question 16 of 24

1

What are three techniques for mitigating VLAN hopping attacks? (Choose three.)

Select one or more of the following:

Set the native VLAN to an unused VLAN
Disable DTP
Enable Source Guard
Enable trunking manually
Enable BPDU guard
Use private VLANs

Explanation

Question 17 of 24

1

What two mechanisms are used by Dynamic ARP inspection to validate ARP packets for IP addresses that are dynamically assigned or IP addresses that are static? (Choose two.)

Select one or more of the following:

MAC-address-to-IP-address bindings
RARP
ARP ACLs
IP ACLs
Source Guard

Explanation

Question 18 of 24

1

What protocol should be disabled to help mitigate VLAN hopping attacks?

Select one of the following:

STP
ARP
CDP
DTP

Explanation

Question 19 of 24

1

What network attack seeks to create a DoS for clients by preventing them from being able to obtain a DHCP lease?

Select one of the following:

DHCP spoofing
CAM table attack
IP address spoofing
DHCP starvation

Explanation

Question 20 of 24

1

What is the only type of port that an isolated port can forward traffic to on a private VLAN

Select one of the following:

a community port
a promiscuous port
another isolated port
any access port in the same PVLAN

Explanation

Question 21 of 24

1

Which STP stability mechanism is used to prevent a rogue switch from becoming the root switch?

Select one of the following:

Source Guard
BPDU guard
root guard
loop guard

Explanation

Question 22 of 24

1

How can a user connect to the Cisco Cloud Web Security service directly?

Select one of the following:

through the connector that is integrated into any Layer 2 Cisco switch
by using a proxy autoconfiguration file in the end device
by accessing a Cisco CWS server before visiting the destination web site
by establishing a VPN connection with the Cisco CWS

Explanation

Question 23 of 24

1

What security benefit is gained from enabling BPDU guard on PortFast enabled interfaces?

Select one of the following:

enforcing the placement of root bridges
preventing buffer overflow attacks
preventing rogue switches from being added to the network
protecting against Layer 2 loops

Explanation

Question 24 of 24

1

Which mitigation technique would prevent rogue servers from providing false IP configuration parameters to clients

Select one of the following:

implementing port-security on edge ports
implementing port security
turning on DHCP snooping
disabling CDP on edge ports

Explanation