Screens JN0-232 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the purpose of a threshold in a screen configuration?

   • ATo specify the number of attack events that must occur before an action is taken
   • BTo determine the size of the packet buffer used for inspection
   • CTo define the maximum number of packets that can be inspected per second
   • DTo set the time interval for how long a screen remains active
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   At which level of the Junos OS security architecture are screen objects applied?

   • AInterface
   • BPolicy
   • CZone
   • DGlobal
   Reveal Solution Discussion Select an answer first
4. 3application · medium

   A security administrator notices that the screen configured on the untrust zone is generating false positives for ICMP flood. Legitimate monitoring tools occasionally send bursts of ICMP echo requests that exceed the current threshold. The administrator wants to reduce false positives without completely disabling the protection. What should the administrator do?

   • AChange the screen action from 'drop' to 'alarm-only'.
   • BIncrease the ICMP flood threshold value in the screen object.
   • CRemove the ICMP flood screen from the zone configuration.
   • DApply the screen to the internal zone instead of the untrust zone.
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   What is the effect of configuring a screen with the 'alarm' action?

   • AThe packet is dropped and an alert is generated
   • BAn alert is generated but the packet is still forwarded
   • CThe packet is rate-limited
   • DThe packet is silently dropped without any logging
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   Which of the following is a category of screen options in Junos OS?

   • AData link layer
   • BApplication layer
   • CIP layer
   • DSession layer
   Reveal Solution Discussion Select an answer first