DNDNS-200 Online Practice Questions and Answers

A network engineer is verifying the configuration of a LAG connection on an S-Series switch.

Which two commands should the network engineer use to determine the operation of the LAG? (Choose two.)

A. show lacp

B. show interface

C. show port-channel-flow

D. show uplink-state-group

Two Dell S-Series Switches are directly connected.

Which statement describes what will happen when a ping is sent from Dell-1 to Dell-2?

A. Ping will not work because of MTU Mismatch.

B. Ping will not work because of IP Network Mismatch.

C. LLDP shows 0/37 is connected to 0/39 and pings will be successful.

D. Link is Operationally up; therefore, pings will work.

Which component is required to deploy the N2000/N3000 Series switches in a stack configuration?

A. Ethernet cables

B. SAS cables

C. Optical Transceivers

D. TwinX cables

In an OSPF network, what happens if the OSPF Priority level is set to "0"?

A. The switch does not become an active BDR or DR.

B. The switch becomes the BDR in the OSPF routing topology.

C. The switch becomes the DR in the OSPF routing topology.

D. The switch does not participate as a member in the OSPF network.

Which three cabling items should be considered when stacking N4000 Series switches? (Choose three.)

A. Use interfaces with the same bandwidth between stack members.

B. Use a cascade topology for redundancy between stack members.

C. A QSFP+ breakout cable cannot be used for stacking between members.

D. Ports from an installed expansion module are not supported with stacking.

E. A QSFP+ port should be counted as a single port when used for stacking.

F. Up to eight ports may be used on any switch for stacking purposes.

Refer to the exhibit.

A customer has a C-Series chassis using a 48-port PoE+ line card. A workstation connected to Gi 0/47 passes traffic as expected. When the customer connects a PoE phone to the interface, the phone does NOT power up.

Which configuration should a network engineer set on the Gi 0/47 interface to provide power to the phone?

A. console(conf-if-gi-0/47)#auto power inline

B. console(conf-if-gi-0/47)#power inline on

C. console(conf-if-gi-0/47)#power inline auto

D. console(conf-if-gi-0/47)#power priority inline auto

When facing the front of a C-Series switch, in which direction does air flow?

A. from the right side to left side

B. from the front side to back side

C. from the back side to front side

D. from the left side to right side

A network engineer is doing software updates on a C9010 chassis and Port Extenders. The engineer updates the Operating System and boot flash images. Some PoE ports are NOT working. The engineer needs to complete the following updates so that all PoE ports work.

-PoE Controller

-FPGA

-

CPLD

In which order should the engineer complete the updates so that all PoE ports work?

A.

1. Upgrade the PoE Controller.2. Upgrade the CPLD image on attached PEs.3. Upgrade the FPGA and CPLD images on C9010 RPMs and line cards.

B.

1. Upgrade the PoE Controller on attached PEs.2. Upgrade the FPGA and CPLD images on C9010 RPMs and line cards.3. Upgrade the CPLD image on attached PEs.

C.

1. Upgrade the FPGA and CPLD images on C9010 RPMs and line cards.2. Upgrade the CPLD image on attached PEs.3. Upgrade the PoE controller on attached PEs.

D.

1. Upgrade the CPLD image on attached PEs.2. Upgrade the FPGA and CPLD images on C9010 RPMs and line cards.3. Upgrade the PoE controller on attached PEs.

A new switch is already configured with an IP address and is reachable within the network. SSH and HTTPS are verified. The network engineer needs to disable HTTP for switch management.

What is the correct command?

A. console# no ip https server

B. console(config)# no ip http server

C. console# no ip http server

D. console(config)#ip http server disable

Refer to the exhibit.

A network engineer is installing a new Dell S-Series switch on the rack and notices that the Power LED is blinking yellow. What is causing this behavior on the switch?

A. One of the fans has failed.

B. One of the power supplies has failed.

C. The switch is still rebooting.

D. A problem has occurred with the stack cables.