Dell DES-5121 Online Practice Questions and Exam Preparation

Dell DES-5121 Online Questions & Answers

• Question 1:

  How many untagged VLANs are allowed on a switchport mode trunk interface?

  B. 1
  C. 128
  D. 4096
  B. 1

• Question 2:

  

  Based on the exhibit, which configuration on interface Gi1/0/18 will allow the DHCP request to reach the DHCP server for the specified VLAN?

  A. Configuration A: console(config-if-Gi1/0/18)# switchport mode general console(config-if-Gi1/0/18)# switchport general pvid 20 console(config-if-Gi1/0/18)# switchport general allowed vlan add 20 console(config-if-Gi1/0/18)# switchport general allowed vlan remove 1
  B. Configuration B: console(config-if-Gi1/0/18)# switchport access vlan 10 console(config-if-Gi1/0/18)# service-policy in dhcp_250 console(config-if-Gi1/0/18)# switchport general allowed vlan add 20 console(config-if-Gi1/0/18)# switchport general allowed vlan remove 1
  C. Configuration C: console(config-if-Gi1/0/18)# switchport access vlan 10 console(config-if-Gi1/0/18)# ip dhcp snooping trust console(config-if-Gi1/0/18)# switchport general allowed vlan add 20 console(config-if-Gi1/0/18)# switchport general allowed vlan remove 1
  D. Configuration D: console(config-if-Gi1/0/18)# channel-group 100 mode active console(config-if-Gi1/0/18)# switchport access vlan 250 console(config-if-Gi1/0/18)# switchport general allowed vlan add 20 console(config-if-Gi1/0/18)# switchport general allowed vlan remove 1
  A. Configuration A: console(config-if-Gi1/0/18)# switchport mode general console(config-if-Gi1/0/18)# switchport general pvid 20 console(config-if-Gi1/0/18)# switchport general allowed vlan add 20 console(config-if-Gi1/0/18)# switchport general allowed vlan remove 1

• Question 3:

  Refer to the Exhibit.

  Switch-1(config)# radius server host 10.1.1.111 Switch-1(config-radius)# key "secretkey" Switch-1(config-radius)# exit Switch-1(config)# aaa authentication login "LOCAL-AUTH" local Switch-1(config)# aaa authentication login "REMOTE-AUTH" radius local Switch-1(config)# aaa authentication enable "REMOTE-AUTH" radius enable Switch-1(config)# aaa authentication login default tacacs local Switch-1(config)# aaa authentication enable default tacacs enable Switch-1(config)# line telnet Switch-1(config-telnet)# login authentication "REMOTE-AUTH" Switch-1(config-telnet)# exit Switch-1(config)# line ssh Switch-1(config-ssh)# login authentication default Switch-1(config)# exit Switch-1(config)# line console Switch-1(config-line)# login authentication "LOCAL-AUTH" Switch-1(config-line)# exit

  Which authentication method will be used if a user tries to log into the switch when accessing through SSH?

  A. RADIUS, then fails over to a local user account
  B. Local user account
  C. TACACS, then fails over to a local user account
  D. None
  C. TACACS, then fails over to a local user account

• Question 4:

  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 5:

  Which packet characteristics can policy-based routing be configured to match against?

  A. TTL, TCP Port, and L3 Packet Length
  B. L3 Packet Length, TTL, and 802.1p Priority
  C. TCP Port, L3 Packet Length, and 802.1p Priority
  D. TCP Port, TTL, and 802.1p Priority
  C. TCP Port, L3 Packet Length, and 802.1p Priority

• Question 6:

  How does the weighted Queue Scheduler prioritize packets?

  A. Scheduler prioritizes weighted queues over any strict queues
  B. Weights are calculated based on the number of packets
  C. Weights are used to calculate the number of bytes
  D. Weight is assigned to each port
  C. Weights are used to calculate the number of bytes

• Question 7:

  A network administrator wants to configure an ACL to deny traffic for a specific source IP and source UDP port. Which type of ACL should be used?

  A. Layer 2 Standard ACL
  B. Layer 2 Extended ACL
  C. Layer 3 Standard ACL
  D. Layer 3 Extended ACL
  D. Layer 3 Extended ACL

• Question 8:

  In order to alter a packet's routing direction, which packet layers can policy-based routing use?

  A. Transport, Network, Link Layer, and Physical
  B. Link Layer, Physical, Presentation, and Session
  C. Network, Link Layer, Physical, and Session
  D. Application, Transport, Network, and Link Layer
  A. Transport, Network, Link Layer, and Physical

• Question 9:

  If VoIP traffic uses multiple QoS prioritization schemes, what refers to VoIP traffic?

  A. COS 2, DSCP 22, AF
  B. COS 2, DSCP 46, EF
  C. COS 5, DSCP 42, AF
  D. COS 5, DSCP 46, EF
  D. COS 5, DSCP 46, EF

• Question 10:

  N4032F#show interfaces status

  

  N4032F#show interfaces port-channel 1

  

  Hash Algorithm Type 1 - Source MAC, VLAN, EtherType, source module and port Id 2 - Destination MAC, VLAN, EtherType, source module and port Id 3 - Source IP and source TCP/UDP port 4 - Destination IP and destination TCP/UDP port 5 - Source/Destination MAC, VLAN, EtherType, source MODID/port 6 - Source/Destination IP and source/destination TCP/UDP port 7 - Enhanced hashing mode

  N4032F#

  A Dell EMC N-Series switch has been configured with a 2-member port-channel; however, only one link is currently active.

  Based on the exhibit, why is only one link active?

  A. Minimum links value for Po1 is set to "1"
  B. Hash algorithm is configured for active-passive
  C. Te1/0/6 interface is administratively disabled
  D. Speed setting is different between ports
  D. Speed setting is different between ports