300-410 Practice Test

What are two functions of IPv6 Source Guard? (Choose two.)

A.

It uses the populated binding table for allowing legitimate traffic.

B.

It works independent from IPv6 neighbor discovery.

C.

It denies traffic from unknown sources or unallocated addresses.

D.

It denies traffic by inspecting neighbor discovery packets for specific pattern.

E.

It blocks certain traffic by inspecting DHCP packets for specific sources.

What are two MPLS label characteristics? (Choose two.)

A.

The label edge router swaps labels on the received packets.

B.

Labels are imposed in packets after the Layer 3 header.

C.

LDP uses TCP for reliable delivery of information.

D.

An MPLS label is a short identifier that identifies a forwarding equivalence class.

E.

A maximum of two labels can be imposed on an MPLS packet.

What are two characteristics of VRF instance? (Choose two.)

A.

All VRFs share customers routing and CEF tables .

B.

An interface must be associated to one VRF.

C.

Each VRF has a different set of routing and CEF tables

D.

It is defined by the VPN membership of a customer site attached to a P device.

E.

A customer site can be associated to different VRFs

Refer to the exhibit.

A network administrator is discovering a Cisco Catalyst 9300 and a Cisco WLC 3504 in Cisco DNA Center. The Catalyst 9300 is added successfully However the WLC is showing [ error "uncontactable" when the administrator tries to add it in Cisco DNA Center. Which action discovers WLC in Cisco DNA Center successfully?

 

A.

Copy the .cert file from the Cisco DNA Center on the USB and upload it to the WLC 3504.

B.

Delete the WLC 3504 from Cisco DNA Center and add it to Cisco DNA Center again.

C.

Add the WLC 3504 under the hierarchy of the Catalyst 9300 connected devices

D.

Copy the .pern file from the Cisco DNA Center on the USB and upload it to the WLC 3504.

Exhibit:

NTP is configured across the network infrastructure and Cisco DNA Center. An NTP issue was reported on the Cisco DNA Center at 17:15. Which action resolves the issue?

 

A.

Check and resolve reachability between the WLC and the NTP server

B.

Reset the NTP server to resolve any synchronization issues for all devices

C.

Check and resolve reachability between Cisco DNA Center and the NTP server

D.

Check and configure NTP on the WLC and synchronize with Cisco DNA Center