A web server is running correctly but sending a RST packet t

题目
单选题
A web server is running correctly but sending a RST packet to any client trying to connect using HTTP on TCP port 80. Which of the following tools should be used to determine the listening port of the web server?()
A

Route

B

Ifconfig

C

Netstat

D

Nslookup

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第1题:

A user opens a webpage that requires the transmission of packets from the Web server to the client‘s browser. The packets transmitted from the Web server to the client exceed the smallest MTU value on the communications path.Which two protocol functions allow this type of communication?()

A. packet segmentation

B. serialized checking

C. packet sequencing

D. parallel checking


参考答案:A, C

第2题:

Which of the following is not a valid reason for a packet to be punted?()

  • A、The TCAM has reached capacity
  • B、An unknown destination MAC address
  • C、A packet being discarded due to a security violation
  • D、A Telnet packet from a session being initiated with the switch
  • E、Routing protocols sending broadcast traffic
  • F、A packet belonging to a GRE tunnel

正确答案:B,C

第3题:

Click the Exhibit button.What are two valid reasons for the output shown in the exhibit?() (Choose two.)

A. The local Web-filtering daemon is not enabled or is not running.

B. The integrated Web-filtering policy server is not reachable.

C. No DNS is configured on the SRX Series device.

D. No security policy is configured to use Web filtering.


参考答案:B, C

第4题:

Which IDP policy action closes the connection and sends an RST packet to both the client and the server?()

  • A、close-connection
  • B、terminate-connection
  • C、close-client-and-server
  • D、terminate-session

正确答案:C

第5题:

A user opens a webpage that requires the transmission of packets from the Web server to the client's browser. The packets transmitted from the Web server to the client exceed the smallest MTU value on the communications path. Which two protocol functions allow this type of communication?()

  • A、packet segmentation
  • B、serialized checking
  • C、packet sequencing
  • D、parallel checking

正确答案:A,C

第6题:

A packet is evaluated against three user-defined terms within a firewall filter and no match is found. What correctly describes the action the firewall filter will take for this packet?()

  • A、The filter will permit the packet and take no additional action
  • B、The filter will reject the packet and send an ICMP message back to the sender
  • C、The filter will discard the packet and take no additional action
  • D、The filter will permit the packet and write a log entry to the firewall log

正确答案:C

第7题:

A company wants to consolidate 20 existing dual processor Pentium III servers, all running a web server application on Windows Server 2003.  They are considering consolidating to a single x445 running VMWare ESX.  Which TWO of the following questions will provide enough information to determine the correct processor configuration?()

  • A、Do the web servers require SMP capability?
  • B、Is the web content static or dynamic information?
  • C、What is the average CPU utilization of the existing web servers?
  • D、Will the servers need a SCSI or Fibre Channel storage solution?
  • E、What are the expected growth rates for the web servers?

正确答案:C,E

第8题:

Which IDP policy action closes the connection and sends an RST packet to both the client and the server?()

A. close-connection

B. terminate-connection

C. close-client-and-server

D. terminate-session


参考答案:C

第9题:

Interface ge-0/0/2.0 of your device is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A Web server with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. The Web server is attached to the ge-0/0/0.0 interface of your device. You must use NAT to make the Web server reachable from the Internet using port translation. Which type of NAT must you configure?()

  • A、source NAT with address shifting
  • B、pool-based source NAT
  • C、static destination NAT
  • D、pool-based destination NAT

正确答案:D

第10题:

A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?()

  • A、Data, Frame, Packet, Segment, Bit
  • B、Data, Frame, Segment, Packet, Bit
  • C、Data, Packet, Frame, Segment, Bit
  • D、Data, Packet, Segment, Frame, Bit
  • E、Data, Segment, Frame, Packet, Bit
  • F、Data, Segment, Packet, Frame, Bit

正确答案:F

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