Which of the following advanced features does BGP EVPN support? (Multiple Choice)

• A.ARP broadcast suppression
• B.VRRP over VXLAN
• C.Multi-live gateway
• D.VXLAN Qos

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802.1s defines deployment for which of the following?

• A.One STP instance for each set of Bridges
• B.One STP instance for each VLAN
• C.One global instance for all VLANs
• D.One STP instance for each set of VLANs

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Which of the following descriptions about the FTP protocol is correct?

• A.FTP always uses TCP port 20 to establish a data session and ICP port 21 to establish a control session.
• B.In FTP Active mode, the server uses the command "PORT to tell the client which port it expects to send data.
• C.FTP always uses a TCP session to transmit control information and data information.
• D.FTP always uses TCP port 21 to establish a data session and TCP port 20 to establish a control session.
• E.In FTP Passive mode, the client completes the initialization of the TCP session for control and data.

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Router A has a destination network segment of 10.0.0.1/32 IP routing, and the outgoing interface is Gigabitethernet0/0/1. Now add the following configuration acl number 2000 rule 10 permit source 10. 0.1.1 0 traffic classifier test if-match acl 2000 traffic behavior test remark dscp cs3 traffic policy test classifier test behavior test interface Gigabitethernet0/0/1 ip address10.0.12.1255.255 .255.0 traffic-policy test outbound assumes that Router A received a packet with a destination IP of 10.0.0.1. The following statements which are correct? (Multiple Choice)

• A.If the source IP address of the packet is 10.0.0.2, it cannot be forwarded.
• B.If the source IP address of the packet is 10.0.0.2, it can be forwarded and the DSCP field is marked as CS3.
• C.If the source IP address of the packet is 10.0.0.2, it can be forwarded while the DSCP field remains unchanged.
• D.If the source IP address of the packet is 10.0.0.1, it can be forwarded and the DSCP field is marked as cS3.

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The router HW1 exists as an MPLS LSR router in the network of the operator HW. The router receives a packet carrying a label, but the label entry does not exist in its LFIB. So how does the router handle the packet?

• A.Router HW1 uses LDP to create an LSP and creates a new path for the label carried in the packet in the LFIB.
• B.Router HW1 will strip the label and find the IP destination address of the FIB.
• C.Router HW1 will forward the packet using the default label.
• D.Router HW1 will discard the packet.

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