多选题Which two statements are true about the relationship between static NAT and proxy ARP? （）(Choose two.)AIt is necessary to forward ARP requests to remote hosts.BIt is necessary when translated traffic belongs to the same subnet as the ingress interface.

第1题：

第2题：

Which statement about Frame Relay is not true？（）

• A、Static mapping is used when the remote router does not support Inverse ARP.
• B、Frame Relay Inverse ARP requires LMI capability to construct an address to the DLCI mapping tableon the router.
• C、Frame Relay Inverse ARP is disabled by default in Cisco IOS Software for all protocols that areenabled on the physical interface.
• D、Inverse ARP does not work when LMI is disabled.
• E、Frame Relay provides forward and backward congestion notification messages

第3题：

第4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5题：

Which statement is true regarding proxy ARP？（）

• A、Proxy ARP is enabled by default on stand-alone JUNOS security devices.
• B、Proxy ARP is enabled by default on chassis clusters.
• C、JUNOS security devices can forward ARP requests to a remote device when proxy ARP is enabled.
• D、JUNOS security devices can reply to ARP requests intended for a remote device when proxy ARP is enabled

第6题：

Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4 (Choose two.)（）。

• A、It establishes a static route to the 172.16.3.0 network
• B、It establishes a static route to the 192.168.2.0 network
• C、It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network
• D、It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4
• E、It uses the default administrative distance
• F、It is a route that would be used last if other routes to the same destination exist

第7题：

Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4? (Choose two.)（）

• A、It establishes a static route to the 172.16.3.0 network.
• B、It establishes a static route to the 192.168.2.0 network.
• C、It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network.
• D、It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4.
• E、It uses the default administrative distance.
• F、It is a route that would be used last if other routes to the same destination exist.

第8题：

第9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10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.