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多选题
Firewall filters can be used to accept, discard, or reject packets based on （）
A
protocol type
B
MAC address
C
TCP or UDP port
D
source and destination IP address
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Firewall filters can perform which two actions？（）A、Log packet.B、Count packet.C、Set packet metric.D、Decrement packet TTL.E、Change destination IP address.
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When an SRX series device receives an ESP packet, what happens?（）A、If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, it willB、If the destination IP address in the outer IP header of ESP does not match the IP address of the ingress interface, it willC、If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based packet.D、If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based of inner header, it will decrypt the packet.
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单选题What can be specified in IP VACLs?（）A
Protocol and IP source onlyB
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单选题What is the effect of the following access list condition? access-list 101 permit ip 10.25.30.0 0.0.0.255 any（）。A
permit all packets matching the first three octets of the source address to all destinationsB
permit all packets matching the last octet of the destination address and accept all source addressesC
permit all packets from the third subnet of the network address to all destinationsD
permit all packets matching the host bits in the source address to all destinationsE
permit all packets to destinations matching the first three octets in the destination address
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多选题What three pieces of information can be used in an extended access list to filter traffic (Choose three.)（）。AprotocolBVLAN numberCTCP or UDP port numbersDsource switch port numberEsource IP address and destination IP addressFsource MAC address and destination MAC address
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多选题Firewall filters can be used to accept, discard, or reject packets based on （）Aprotocol typeBMAC addressCTCP or UDP portDsource and destination IP address
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单选题What is the result of entering the command port-channel load-balance src-dst-ip on an EtherChannel link？ （）A
Packets are distributed across the ports in the channel based on both the source and destination MAC addresses.B
Packets are distributed across the ports in the channel based on both the source and destination IP addresses.C
Packets are balanced across the ports in the channel based first on the source MAC address， then on the destination MAC address， then on the IP address.D
Packets are distributed across the access ports in the channel based first on the source IP address and then the destination IP addresses.
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多选题Which two statements are correct about firewall filters in the Junos OS?（）AFirewall filters are stateless.BFirewall filters are used to control routing information that is exchanged between devices.CFirewall filters are used to control traffic passing through the device.DFirewall filters can only be applied to traffic entering the device.
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单选题Which of the following best describes the following command： ip flow-export destination192.168.1.50 1500？（）A
it is not a valid NetFlow commandB
it is an SNMP command that exports 1500-byte packets to IP address 192.168.1.50C
it is a NetFlov/ command that v/ill export 1500-byte packets to IP address 192.168.1.50D
it is a NetFlov/ command that allows IP address 192.168.1.50 to send traffic to port 1500E
It is a NetFlov/ command that v/ill specify that the NetFlov/ collector’s IP address is192.168.1.50 over UDP port 1500F
It is an SNMP command that exports flows to destination address 1Q2.168.1.50 for packets upto an MTU of 1500
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多选题Which three statements are true about DAI？（）ADAI intercept all ARP packets on untrusted portsBDAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP Snooping database.CDAI is used to prevent against a DHCP Snooping attack.DDAI forwards all ARP packets received on a trusted interface without any checks.EDAI forwards all ARP packets on untrusted ports.FDAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table.
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多选题Firewall filters can perform which two actions?（）ALog packets.BSet packet metrics.CCount packets.DDecrement packet's TTL value.
考题
多选题Firewall filters can perform which two actions？（）ALog packet.BCount packet.CSet packet metric.DDecrement packet TTL.EChange destination IP address.
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