VPN establishment
stateful ARP lookups
Dynamic ARP inspection
Network Address Translation
inspection of packets at higher levels (Layer 4 and above)
第1题：
A. NAT
B. OSPF
C. SNMP
D. SCREEN options
第2题：
A. RADIUS
B. CHAP
C. local user database
D. TACACS+
E. PAP
第3题：
A. VPN establishment
B. stateful ARP lookups
C. Dynamic ARP inspection
D. Network Address Translation
E. inspection of packets at higher levels (Layer 4 and above)
第4题：
Which security or functional zone name has special significance to the Junos OS?（）
第5题：
A. MD5 authenticaton is supported by the Junos OS
B. Server mode is not supported by the Junos OS
C. The Junos OS can provide a primarytime reference
D. The Junos OS does not support the use of a boot server
第6题：
A. MD5 authentication is supported by the Junos OS
B. Server mode is not supported by the Junos OS
C. The Junos OS can provide a primary time reference
D. The Junos OS does not support the use of a boot server
第7题：
A. The same Junos OS image is used on all Junos devices.
B. The Junos OS provides separation between the control and forwarding planes.
C. Each Junos OS image is based on model-specific source code.
D. The Junos OS creates a secondary instance of the kernel to ensure redundancy.
第8题：
A. The valid cluster-id range is between 0 and 255.
B. Junos OS security devices can belong to more than one cluster if cluster virtualization is enabled.
C. If the cluster-id value is set to 0 on a Junos security device, the device will not participate in the cluster.
D. A reboot is required if the cluster-id or node value is changed.
E. Junos OS security devices can belong to one cluster only.
第9题：
Which three functions are provided by JUNOS Software for security platforms？（）
第10题：
Which three methods of source NAT does the Junos OS support?（） (Choose three.)