Dell DES-5121 Online Practice Questions and Exam Preparation

Dell DES-5121 Online Questions & Answers

• Question 41:

  When configuring a Dell EMC N-Series switch for voice traffic, which settings are needed?

  A. Enable voice VLAN Set each-interface to LLDP share all VoIP related parameters Set switchport mode to general
  B. Create a VLAN for voice Set each interface to ISDP share all VoIP related parameters Set switchport mode to general
  C. Enable voice VLAN Set each interface to LLDP share all VoIP related parameters Set switchport mode to hybrid
  D. Enable voice VLAN Set each interface to ISDP share all VoIP related parameters Set switchport mode to general
  A. Enable voice VLAN Set each-interface to LLDP share all VoIP related parameters Set switchport mode to general

• Question 42:

  To which destination MAC address are MLAG peer-keepalive packets sent?

  A. 01:00:B5:00:00:00
  B. 01:00:C5:00:00:00
  C. B5:00:01:00:00:00
  D. C5:00:01:00:00:00
  A. 01:00:B5:00:00:00

• Question 43:

  What is the recommended maximum number of routers, per area, when using OSPF?

  A. 50
  B. 100
  C. 200
  D. 255
  A. 50

• Question 44:

  Which spanning tree feature will prevent unnecessary timeouts from DHCP servers?

  A. PortFast
  B. Loop Guard
  C. BPDU Flooding
  D. Root Guard
  A. PortFast

• Question 45:

  Which ports on a spanning tree root switch are always forwarding?

  A. Alternate ports
  B. Designated ports
  C. Backup ports
  D. Root ports
  B. Designated ports

• Question 46:

  

  The exhibit represents a topology with all Dell EMC N4000 Series switches with RSTP enabled. In addition, the switches are using the default configuration on all ports and protocols. Which port number will be blocked by spanning tree?

  A. Te 1/0/3
  B. Te 1/0/4
  C. Te 1/0/5
  D. Te 1/0/6
  C. Te 1/0/5

• Question 47:

  What is the interaction between CDP, ISDP, and LLDP when communicating configuration information from a Dell EMC Campus networking switch to a Cisco VoIP phone?

  A. N-Series switches can be configured to use LLDP or CDP to communicate configuration information with Cisco devices
  B. N-Series switches can be configured to use only CDP to communicate configuration information with Cisco devices
  C. N-Series switches can be configured to use ISDP or CDP to communicate configuration information with Cisco devices
  D. N-Series switches can be configured to use ISDP or LLDP to communicate configuration information with Cisco devices
  D. N-Series switches can be configured to use ISDP or LLDP to communicate configuration information with Cisco devices

• Question 48:

  A network administrator has configured a 4-port port-channel between two Dell EMC Campus networking switches. The physical interfaces show as administratively up and operationally up on both switches. However, the port-channel shows as operationally up on Switch A and operationally down on Switch B.

  What is a potential reason for the inconsistent port-channel state?

  A. Switch A is configured to use dynamic port-channels and Switch B is configured to use static port-channels
  B. Ports in the port-channel on Switch A are all the same speed but the ports in the port-channel on Switch B are a mix of speeds
  C. Switch A is configured using channel-group # mode on and Switch B is configured using channel-group # mode auto
  D. N-Series supports a maximum number of physical interfaces that can be included in port-channels on a per-device basis
  C. Switch A is configured using channel-group # mode on and Switch B is configured using channel-group # mode auto

• Question 49:

  A switch interface has been properly configured for static port security with one defined allowable MAC address. However, when the network administrator plugs a switch into that port, multiple devices are still allowed access to the network. Where must port security also be enabled to have an effect?

  A. Enabled globally on the switch
  B. Enabled on all attached devices
  C. Enabled on all switches in the network
  D. Enabled on all interfaces of the switch
  A. Enabled globally on the switch

• Question 50:

  A network administrator is planning a PoE budget for their network.

  What is the PoE source maximum power budget for a Class 4 end device?

  A. 12.95 watts
  B. 15.4 watts
  C. 34.2 watts
  D. 60 watts
  C. 34.2 watts