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多选题Which two statements about Junos software packet handling are correct?（）(Choose two.)AThe Junos OS applies service ALGs only for the first packet of a flow.BThe Junos OS uses fast-path processing only for the first packet of a flow.CThe Junos OS perfor

题目
多选题
Which two statements about Junos software packet handling are correct?（）(Choose two.)
A

The Junos OS applies service ALGs only for the first packet of a flow.

B

The Junos OS uses fast-path processing only for the first packet of a flow.

C

The Junos OS performs policy lookup only for the first packet of a flow.

D

The Junos OS applies SCREEN options for both first and consecutive packets of a flow.

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相似问题和答案

第1题：

Which two statements about Junos software packet handling are correct?()(Choose two.)

A. The Junos OS applies service ALGs only for the first packet of a flow.

B. The Junos OS uses fast-path processing only for the first packet of a flow.

C. The Junos OS performs policy lookup only for the first packet of a flow.

D. The Junos OS applies SCREEN options for both first and consecutive packets of a flow.


参考答案：C, D

第2题：

Which statement is correct regarding the Junos OS?()

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.


参考答案：B

第3题：

Which two statements are true regarding firewall user authentication?() (Choose two.)

A. When configured for pass-through firewall user authentication, the user must first open a connection to the Junos security remote network resource.

B. When configured for Web firewall user authentication only, the user must first open a connection to the Junos security remote network resource.

C. If a Junos security device is configured for pass-through firewall user authentication, new sessions are automatically intercepted .

D. If a Junos security device is configured for Web firewall user authentication, new sessions are automatically intercepted.


参考答案：B, C

第4题：

Which statement is true regarding the Junos OS?（）

  • A、All platforms running the Junos OS use the same source code base
  • B、All platforms running the Junos OS use the same PFE
  • C、All platforms running the Junos OS use a hard drive to optimize syslog data storage
  • D、All platforms running the Junos OS use a separate process with protected memory space for each routing protocol

正确答案:A

第5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.

正确答案:B,C

第6题：

Which two statements are true regarding routing policy processing?()

A. The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.

B. Policies are evaluated from right to left as displayed in the Junos OS configuration file.

C. Polices are evaluated based on the order in which they are applied to a routing protocol.

D. Policy processing stops once the last statement in the policy is evaluated.


参考答案：A, C

第7题：

Which statement is true regarding the Junos OS?（）

  • A、All platforms running the Junos OS separate the functions of learning and flooding.
  • B、All platforms running the Junos OS separate the functions of control and forwarding.
  • C、All platforms running the Junos OS separate the functions of routing and bridging.
  • D、All platforms running the Junos OS separate the functions of management and routing.

正确答案:B

第8题：

Which two functions of the Junos OS are handled by the data plane? ()(Choose two.)

A. NAT

B. OSPF

C. SNMP

D. SCREEN options


参考答案：A, D

第9题：

Which two statements are true regarding firewall user authentication?（） (Choose two.)

  • A、When configured for pass-through firewall user authentication, the user must first open a connection to the Junos security remote network resource.
  • B、When configured for Web firewall user authentication only, the user must first open a connection to the Junos security remote network resource.
  • C、If a Junos security device is configured for pass-through firewall user authentication, new sessions are automatically intercepted .
  • D、If a Junos security device is configured for Web firewall user authentication, new sessions are automatically intercepted.

正确答案:B,C

第10题：

Which two statements about the use of SCREEN options are correct? （）(Choose two.)

  • A、SCREEN options offer protection against various attacks
  • B、SCREEN options are deployed prior to route and policy processing in first path packet processing
  • C、SCREEN options are deployed at the ingress and egress sides of a packet flow
  • D、SCREEN options, you must take special care to protect OSPF

正确答案:A,B

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