Which two statements are true about pool-based source NAT? （）(Choose two.)A、PAT is not supported.B、PAT is enabled by default.C、It supports the address-persistent configuration option.D、It supports the junos-global configuration option.

第1题：

Which two statements about NTP version 4 are true？（）

• A、It supports fast synchronization at starting and before network failures
• B、It supports automatic server discovery
• C、It uses a fixed-point arithmetion
• D、It supports the "nanokernel" kernel implementation
• E、It does not support Public-Key Cryptography

第2题：

Which two statements are true about L2TP tunnels?（） (Choose two.)

• A、Traffic is clear text
• B、Traffic is encrypted 
• C、They are initiated by the LNS
• D、They are initiated by the LAC

第3题：

Which three methods of source NAT does the Junos OS support?（） (Choose three.)

• A、interface-based source NAT
• B、source NAT with address shifting
• C、source NAT using static source pool
• D、interface-based source NAT without PAT
• E、source NAT with address shifting and PAT

第4题：

Which two statements describe the difference between JUNOS Software for securityplatforms and a traditional router？（）

• A、JUNOS Software for security platforms supports NAT and PAT； a traditional router does not support NAT or PAT.
• B、JUNOS Software for security platforms does not forward traffic by default； a traditional router forwards traffic by default.
• C、JUNOS Software for security platforms uses session-based forwarding； a traditional router uses packet-based forwarding.
• D、JUNOS Software for security platforms performs route lookup for every packet； a traditional router performs route lookup only for the first packet.

第5题：

Which two statements are true about pool-based destination NAT？（）

• A、It also supports PAT.
• B、PAT is not supported.
• C、It allows the use of an address pool.
• D、It requires you to configure an address in the junos-global zone.

第6题：

A network administrator receives complaints from the engineering group that an application on one server is not working properly. After further investigation, the administrator determines that source NAT translation is using a different source address after a random number of flows. Which two actions can the administrator take to force the server to use one address?（） (Choose two.)

• A、Use the custom application feature.
• B、Configure static NAT for the host.
• C、Use port address translation (PAT).
• D、Use the address-persistent option.

第7题：

Which type of source NAT is configured in the exhibit？（） [edit security nat source] user@host# show rule-set 1 { from interface ge-0/0/2.0； to zone untrust； rule 1A {match { destination-address 1.1.70.0/24； } then { source-nat interface； } } }

• A、interface-based source NAT
• B、static source NAT
• C、pool-based source NAT with PAT
• D、pool-based source NAT without PAT

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第13题：

Which two statements about the WLAN Solution Engine （WLSE） are true？（）

• A、WLSE supports centralized configuration. 
• B、WLSE supports distributed configuration.
• C、WLSE can pick up statistics on a device even if the device is not properly configured.
• D、WLSE can be used to upgrade the firmware on APs and bridges.
• E、WLSE monitors device fault and performance conditions but cannot report any policy misconfigurations

第14题：

Which statement is true about interface-based source NAT？（）

• A、PAT is a requirement.
• B、It requires you to configure address entries in the junos-nat zone.
• C、It requires you to configure address entries in the junos-global zone.
• D、The IP addresses being translated must be in the same subnet as the egress interface.

第15题：

Which two statements about static NAT are true? （）(Choose two.)

• A、Static NAT can only be used with destination NAT.
• B、Static NAT rules take precedence over overlapping dynamic NAT rules.
• C、NAT rules take precedence over overlapping static NAT rules.
• D、A reverse mapping is automatically created.

第16题：

Which two statements are true when source/destination filters are enabled? （）(Choose two.)

• A、Excluded traffic is not accelerated.
• B、Excluded traffic is only compressed.
• C、Source/destination filter applies to all traffic sent from LAN to WAN.
• D、Source/destination filters work in packet interception mode using RIPv2.

第17题：

Which type of source NAT is configured in the exhibit？（） [edit security nat destination] user@host# show pool A { address 10.1.10.5/32； } rule-set 1 { from zone untrust； rule 1A { match { destination-address 100.0.0.1/32； } then { destination-nat pool A； } } }

• A、static destination NAT
• B、static source NAT
• C、pool-based destination NAT without PAT
• D、pool-based destination NAT with PAT

第18题：

Which statement is true about interface-based static NAT? （）

• A、It also supports PAT.
• B、It requires you to configure address entries in the junos-nat zone.
• C、It requires you to configure address entries in the junos-global zone.
• D、The IP addresses being translated must be in the same subnet as the incoming interface.

第19题：

Which two statements in a source NAT configuration are true regarding addresses, rule-sets, or rules that overlap?（）(Choose two.)

• A、Addresses used for NAT pools should never overlap.
• B、If more than one rule-set matches traffic, the rule-set with the most specific context takes precedence.
• C、If traffic matches two rules within the same rule-set, both rules listed in the configuration are applied.
• D、Dynamic source NAT rules take precedence over static source NAT rules.

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