DES-5221 Online Practice Questions and Answers

There is a spanning tree mismatch at the global level. PVST+ is configured on a VLT peer. All VLT port channels go down on both VLT peers. A syslog error message is generated. What is the correct action to resolve the issue?

A. Verify the VLT LAG ID is configured correctly on both VLT peers.

B. Enable RSTP on both VLT peers.

C. Use the show VLT detail and show VLT brief commands to view the VLT port channel status information.

D. Perform a mismatch check after the VLT peer is established.

Which LSA type provides information necessary to reach routers originating type 5 LSA's in other areas?

A. ASBR-Summary (Type 4)

B. Summary (Type 3)

C. NSSA (Type 7)

D. Router (Type 1)

Which command shows whether a LAG protocol is static or dynamic on a Dell EMC Networking OS10 switch?

A. show lacp neighbor

B. show running-configuration lacp

C. show interface port-channel summary

D. show port-channel summary

How are multiple hardware based ACLs filtered?

A. NTP

B. DHCP

C. NPU

D. IP

Which LSA types are used in a single area OSPF topology?

A. 4, 5 and 7

B. 1 and 7

C. 1, 2 and 5

D. 2, 3 and 5

An administrator is implementing VLT in OS10. What type of port-channel must they configure for the VLTi?

A. Administrator needs to configure a LACP Port-Channel.

B. Trunking and one (1) native VLAN need to be defined on the port-channel.

C. None, a port-channel is created automatically during VLT discovery.

D. Administrator needs to configure a static Port-Channel.

What is required to enable ECMP in BGP?

A. OSPF must install equal cost paths in the routing table for BGP to use ECMP.

B. Maximum-paths and multipath-relax commands.

C. Sub-interfaces must be configured on the physical interface running BGP.

D. ECMP is not possible in BGP.

A network administrator enters the BGP command neighbor 10.0.2.1. The BGP router does NOT have any route to the 10.0.2.0 network. What will happen?

A. The router will form a successful adjacency with its 10.0.2.1 neighbor. The BGP state will be listed as connect.

B. The router will not form a successful adjacency with its 10.0.2.1 neighbor.

C. It will send gratuitous ARP messages to attempt to discover a route to its 10.0.2.1 neighbor.

D. It will send an ICMP packet to attempt to reach its 10.0.2.1 neighbor.

When implementing QoS on a 10Gb connection, 6Gb is required by the customer. What QoS level best fits the requirement while keeping resource use to a minimum?

A. Differentiated service

B. Guaranteed service

C. FIFO

D. Best-effort service

At which layer does LLDP operate?

A. 1

B. 3

C. 2

D. 4