Q59Network FundamentalsMultiple answers
Which two pieces of information about a Cisco device can be communicated by Cisco Discovery Protocol? *(Choose two.)*
Select 2 answers.
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https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/cdp/configuration/15-mt/cdp-15-mt-book/nm-cdp-discover.html
The information found in Cisco Discovery Protocol advertisements changes depending on the device type and the installed operating system version. Some of the information that Cisco Discovery Protocol can discover includes:
Cisco IOS version running on Cisco devices
Hardware platform of devices
IP addresses of interfaces on devices
Locally connected devices advertising Cisco Discovery Protocol
Interfaces active on Cisco devices, including encapsulation type
Hostname
Duplex setting
***VLAN Trunking Protocol (VTP) domain
***Native VLAN
6
CDP Advertisement includes the following:
VTP Management Domain – 0x0009 (CDPv2)
Native VLAN – 0x000a (CDPv2)
3
A & C are correct
A, C 1
Selected Answer: AC
CDP is mainly used to share basic device information, like device names, IP addresses, capabilities, native VLAN, and VTP domain. It does not share detailed Layer 2 protocol configurations like trunking protocols or spanning-tree details.
A, C 1
Selected Answer: AC
The information contained in Cisco Discovery Protocol advertisements changes depending on the device type and the installed operating system version. Some of the information that Cisco Discovery Protocol can discover includes:
Cisco IOS version running on Cisco devices
Hardware platform of devices
IP addresses of interfaces on devices
Locally connected devices advertising Cisco Discovery Protocol
Interfaces active on Cisco devices, including encapsulation type
Hostname
Duplex setting
VLAN Trunking Protocol (VTP) domain
Native VLAN
A, E 1
Selected Answer: AE
So, the two most technically accurate answers are A and E.
Option Communicated by CDP? Reason
A. the native VLAN YES CDP advertisements include the native VLAN ID of the link.
C. the VTP domain NO Exchanged via separate VTP messages, not CDP.
E. the spanning-tree protocol YES CDP communicates the specific STP version in use (e.g., PVST+).
A, B 1
Selected Answer: AB
Cisco Discovery Protocol (CDP) runs at Layer 2 and exchanges information about directly connected Cisco devices, especially things related to interfaces and link configuration.