Layer 2 Network Security Concepts

Front

Which service is enabled on a Cisco router by default that can reveal significant information about the router and potentially make it more vulnerable to attack?

Back

CDP

Front

When security is a concern, which OSI Layer is considered to be the weakest link in a network system?​

Back

LAYER 2

Front

Which Layer 2 attack will result in a switch flooding incoming frames to all ports?

Back

MAC address overflow

Front

Why is authentication with AAA preferred over a local database method?

Back

It provides a fallback authentication method if the administrator forgets the username or password.

Front

In a server-based AAA implementation, which protocol will allow the router to successfully communicate with the AAA server? Options: SSH, RADIUS, TACACS, 802.1X

Back

RADIUS

Front

Which Cisco solution helps prevent MAC and IP address spoofing attacks?

Back

IP Source Guard

Front

What is the purpose of AAA accounting?

Back

To collect and report application usage

Front

Which Layer 2 attack will result in legitimate users not getting valid IP addresses?

Back

DHCP starvation

Front

True or False?
In the 802.1X standard, the client attempting to access the network is referred to as the supplicant.

Back

TRUE

Front

What is involved in an IP address spoofing attack?

Back

A legitimate network IP address is hijacked by a rogue node.