DES-5121 exam

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Based on the switch output shown in the exhibit, what is the reason for the communication issue?

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A network administrator is troubleshooting why Host 1 cannot communicate with Host 2.

Switch-1(config)# interface tengigabitethernet 1/0/1

Switch-1(config)# switchport mode access

Switch-1(config)# switchport trunk allowed vlan 10, 20

Switch-1(config)#

Switch-1(config)# interface tengigabitethernet 1/0/3

Switch-1(config)# switchport mode access

Switch-1(config)# switchport access vlan 10

Switch-2(config)# interface tengigabitethernet 1/0/2

Switch-2(config)# switchport mode trunk

Switch-2(config)# switchport trunk allowed vlan 10, 20

Switch-2(config)#

Switch-2(config)# interface tengigabitethernet 1/0/6

Switch-2(config)# switchport mode access

Switch-2(config)# switchport access vlan 20

Based on the switch output shown in the exhibit, what is the reason for the communication issue?
A . Port Te1/0/1 on Switch-1 is configured incorrectly
B . Port Te1/0/2 on Switch-2 is configured incorrectly
C . Port Te1/0/3 for Host 1 is configured incorrectly on Switch-1
D . Port Te1/0/6 for Host 2 is configured incorrectly on Switch-2

Answer: A

If a VRRP Master router is rebooted, what is the default behavior once it comes back online?

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If a VRRP Master router is rebooted, what is the default behavior once it comes back online?
A . An election occurs to determine which router will have the Master role
B . Original VRRP Master will take back control of the Master role
C . Original VRRP Backup will retain the Master role
D . VRRP Master role is determined by the router with the lowest MAC address

Answer: B

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?

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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

Answer: D

Based on this information, what is the Layer 3 QoS value?

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After setting up the VoIP configuration, a network administrator issues the following commands with the results shown:

console# show voice vlan

Administrative Mode………………………Enable

console# show voice vlan it gi 1/0/2

Interface………………………………….Gi1/0/2

Voice VLAN Interface Mode……………Enabled

Voice VLAN ID………………………….10

Voice VLAN COS Overwrite……………False

Voice VLAN DSCP Value……………….46

Voice VLAN Port Status…………………Enabled

Voice VLAN Authentication………….…Disabled

Based on this information, what is the Layer 3 QoS value?
A . 5
B . 10
C . 46
D . Gi1/0/2

Answer: C

What additional steps need to be performed?

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When setting up VoIP, you decide that you want to use LLDP. LLDP is enabled by default and LLDP Transmit Management Information and Notification modes are enabled.

What additional steps need to be performed?
A . Enable ISDP and enable LLDP-MED confignotification
B . Disable ISDP and enable LLDP-MED confignotification
C . Enable ISDP and disable LLDP-MED confignotification
D . Disable ISDP and disable LLDP-MED confignotification

Answer: B