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            DES-5121







            Specialist – Implementation Engineer, Campus Networking










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             QUESTION 57 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

             Correct Answer: D






             QUESTION 58 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 SessionC. Network, Link Layer, Physical, and Session
             D. Application, Transport, Network, and Link Layer

             Correct Answer: A






             QUESTION 59 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

             Correct Answer: D






             QUESTION  60  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
             Correct Answer: C



             /R           eference:







             Reference: https://infohub.delltechnologies.com/static/media/6582046d-70f0-4ab6-ba72-2c0b9cf26649.pdf page 6
             QUESTION 61 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

             Correct Answer: C







             QUESTION 62 Which spanning tree feature will prevent unnecessary timeouts from
             DHCP servers?

             A.  PortFast
             B.  Loop Guard
             C.  BPDU Flooding
             D.  Root Guard

             Correct Answer: A



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

             QUESTION 63 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







             Correct Answer: C






             QUESTION 64




































             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
                Correct Answer: A











             QUESTION 65 How many untagged VLANs are allowed on a switchport mode
             trunk interface?

             A.  0
             B.  1
             C.  128
             D.  4096

             Correct Answer: B
















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