Try Free Dell DES-5121 Updated Questions & Answers

Question 1

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

A0

B1

C128

D4096

Correct answer: B

Question 2

Which commands should a network administrator use to configure a RADIUS server on a Dell EMC N-Series switch?

ASwitch-1(config)# radius 10.1.1.111
Switch-1(config-radius)# name RADIUS-Server
Switch-1(config-radius)# key secretkey

BSwitch-1(config)# radius server auth 10.1.1.111 Switch-l(config-radius)# name RADIUS-Server Switch-1(config-radius)# key 'secretkey'

CSwitch-1(config)# radius auth 10.1.1.111 Switch-1(config-radius)# name 'RADIUS-Server' Switch-1(config-radius)# key 'secretKey'

DSwitch-1(config)# radius auth server 10.1.1.111 Switch-1(config-radius)# name RADIUS-Server Switch-1(config-radius)# key 'secretKey'

Correct answer: B

Question 3

A network administrator added a new Dell EMC N-Series switch into their network with RSTP configured. The spanning-tree priority on all existing switches has been left at the default value.

If the administrator wants this new switch to become the spanning tree root, which command should be used?

Aspanning-tree priority 4096

Bspanning-tree priority 32768

Cspanning-tree priority 36864

Dspanning-tree priority 61440

Correct answer: A

https://www.dell.com/support/article/en-us/how10394/how-to-manage-rapid-spanning-tree-rstp- thru-command-line-on-dell-networking-powerconnect-switches?lang=en

Question 4

Which type of an attack is considered MAC poisoning?

ADuplicating the MAC address of a legitimate device so frames are forwarded to the incorrect port

BHost imitating a trunk port by using tagging and trunking protocols

CFlooding MAC addresses to the switch to fill its CAM table, causing the switch to act as a hub

DHost on a VLAN gaining unauthorized access to other VLANs on the network

Correct answer: A

Question 5

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?

AConfiguration 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

BConfiguration 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

CConfiguration 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

DConfiguration 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

Correct answer: A

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