JN0-332

单选题For which network anomaly does Junos provide a SCREEN?()A a telnet to port 80B a TCP packet with the SYN and ACK flags setC an SNMP getnext requestD an ICMP packet larger than 1024 bytes

题目
单选题
For which network anomaly does Junos provide a SCREEN?()
A

a telnet to port 80

B

a TCP packet with the SYN and ACK flags set

C

an SNMP getnext request

D

an ICMP packet larger than 1024 bytes

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相似问题和答案

第1题:

For which network anomaly does Junos provide a SCREEN?()

A. a telnet to port 80

B. a TCP packet with the SYN and ACK flags set

C. an SNMP getnext request

D. an ICMP packet larger than 1024 bytes


参考答案:D

第2题:

Which two statements are correct when you use the reject parameter as the next-hop value for a static route?()

  • A、The packet is dropped and the packet's source is marked with the no-readvertise parameter.
  • B、The system sends the packet back to the source.
  • C、The packet is dropped from the network.
  • D、The system sends an ICMP message back to the source of the packet.

正确答案:C,D

第3题:

Which parameters are valid SCREEN options for combating operating system probes?()

A. syn-fin, syn-flood, and tcp-no-frag

B. syn-fin, port-scan, and tcp-no-flag

C. syn-fin, fin-no-ack, and tcp-no-frag

D. syn-fin, syn-ack-ack-proxy, and tcp-no-frag


参考答案:C

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.

正确答案:B,C

第5题:

For which network anomaly does Junos provide a SCREEN?()

  • A、a telnet to port 80
  • B、a TCP packet with the SYN and ACK flags set
  • C、an SNMP getnext request
  • D、an ICMP packet larger than 1024 bytes

正确答案:D

第6题:

How does an IPv6 router deal with a packet that is larger than the outgoing interface MTU?()

  • A、It will fragment the packet at Layer 2.
  • B、It will fragment the packet at Layer 3.
  • C、It will drop the packet and send an ICMPv6 message "packet too big" back to the source.
  • D、It will drop the packet.

正确答案:C

第7题:

A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. What action will the router take?()

  • A、forwards the packet
  • B、fragments the packet
  • C、drops the packet silently
  • D、drops the packet and sends an ICMP message

正确答案:D

第8题:

Regarding fast path processing, when does the system perform the policy check?()

A. The policy is determined after the SCREEN options check.

B. The policy is determined only during the first packet path, not during fast path.

C. The policy is determined after the zone check.

D. The policy is determined after the SYN TCP flag.


参考答案:B

第9题:

A traditional router is better suited than a firewall device for which function?()

  • A、VPN establishment
  • B、packet-based forwarding
  • C、stateful packet processing
  • D、Network Address Translation

正确答案:B

第10题:

A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. Which action will the router take?()

  • A、Forward the packet.
  • B、Fragment the packet.
  • C、Drop the packet silently.
  • D、Drop the packet and send an ICMPv6 message.

正确答案:D

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