Dell EMC DES-5121 Exam Practice Test Instant Access

Question 1

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

C128

D4096

Answer : B

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?

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

Answer : A

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?

ARADIUS, then fails over to a local user account

BLocal user account

CTACACS, then fails over to a local user account

DNone

Answer : C

Question 4

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

APortFast

BLoop Guard

CBPDU Flooding

DRoot Guard

Answer : A

https://www.dell.com/community/Networking-General/Advice-on-basic-STP-and-network-design/td- p/4434346

Question 5

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

ATTL, TCP Port, and L3 Packet Length

BL3 Packet Length, TTL, and 802.1p Priority

CTCP Port, L3 Packet Length, and 802.1p Priority

DTCP Port, TTL, and 802.1p Priority

Answer : C

Question 6

How does the weighted Queue Scheduler prioritize packets?

AScheduler prioritizes weighted queues over any strict queues

BWeights are calculated based on the number of packets

CWeights are used to calculate the number of bytes

DWeight is assigned to each port

Answer : C

https://infohub.delltechnologies.com/static/media/6582046d-70f0-4ab6-ba72-2c0b9cf26649.pdf page 6

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?

ALayer 2 Standard ACL

BLayer 2 Extended ACL

CLayer 3 Standard ACL

DLayer 3 Extended ACL

Answer : D

Dell EMC DES-5121 Specialist ? Implementation Engineer, Campus Networking Version 1.0 Exam Practice Test