Dell Technologies Networking Foundations (D-NWG-FN-23) Certification Sample Questions

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Dell Technologies D-NWG-FN-23 Sample Questions:

01. Which command sequence configures a port on an OS6 (N-Series) switch as a trunk with native VLAN 10 and tagged VLAN 20?

interface gigabitethernet 1/0/7
switchport mode trunk
switchport mode allow vlan 20
switchport mode trunk native vlan 10

interface ethernet 1/6
switchport trunk encapsulation dot1q
switchport trunk native vlan 10
switchport trunk allowed vlan 20
switchport mode trunk

interface gigabitethernet 1/0/6
switchport mode trunk
switchport trunk allowed vlan 20
switchport trunk native vlan 10

interface ethernet 1/1/6
switchport mode trunk
switchport trunk allowed vlan 20
switchport access vlan 10

02. A Dell OS10 switch must synchronize only with an authenticated NTP server. The administrator configured: ntp authenticate / ntp authentication-key 5 md5 <key> / ntp server 10.10.0.5 key 5 The key matches the server's key 5, but the switch never synchronizes. Which command is missing?

a) clock timezone set to UTC

b) ntp trusted-key 5

c) ntp primary

d) ntp source with the loopback interface

03. A network administrator is designing an IPv4 scheme for the 192.168.40.0/24 network. Which subnet mask produces at least five networks that can each support 28 hosts?

a) 255.255.255.192

b) 255.255.255.240

c) 255.255.255.128

d) 255.255.255.224

04. What is a benefit of using VLANs?

a) VLANs increase the number of IPv4 addresses that can be used

b) More hosts per broadcast domain lower the amount of broadcast traffic

c) Traffic in one VLAN is isolated from other VLANs, improving security

05. How many layers are in the TCP/IP model?

a) 4

b) 8

c) 6

d) 5

06. A cloud administrator is configuring access policies using a JSON-based API. Which JSON element groups the permissions, actions and resources together into one rule?

a) Effect

b) Resource

c) Condition

d) Statement

07. After reloading a switch, which mechanism is used to recover an OS6 password?

a) Boot menu

b) Linux shell

c) Config register

d) Grub loader

08. Security policy requires that switch configuration backups are encrypted while they travel to the backup server at 10.1.1.5. An administrator needs to copy the running configuration of a Dell OS10 switch to that server. Which command meets the policy?

a) copy running-configuration tftp://10.1.1.5/s1.cfg

b) write memory

c) copy running-configuration scp://admin@10.1.1.5/backups/s1.cfg

d) copy running-configuration ftp://admin@10.1.1.5/s1.cfg

09. Port-channel 2 has been created on OS10 switch S1. Which command sequence configures it as a Layer 3 port channel?

a) S1(config-if-po-2)# no switchportS1(config-if-po-2)# ip address 192.168.0.0/31

b) S1(config-if-po-2)# ip address 192.168.0.0/31S1(config-if-po-2)# switchport mode IPv4

c) S1(config-if-po-2)# switchport mode accessS1(config-if-po-2)# ip address 192.168.0.0/31

d) S1(config-if-po-2)# ip address 192.168.0.0/31S1(config-if-po-2)# no switchport

10. Which Ethernet frame forwarding method works best in networks with intermittent connectivity problems?

a) Fragment-free

b) Cut-through

c) Unicast

d) Store-and-forward

Answers:

Question: 01 Answer: c	Question: 02 Answer: b	Question: 03 Answer: d	Question: 04 Answer: c	Question: 05 Answer: a
Question: 06 Answer: d	Question: 07 Answer: a	Question: 08 Answer: c	Question: 09 Answer: a	Question: 10 Answer: d

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