CCSP Cisco Secure PIX Firewall Advanced Exam Certification Guide, Second Edition [Electronic resources] نسخه متنی

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CCSP Cisco Secure PIX Firewall Advanced Exam Certification Guide, Second Edition [Electronic resources] - نسخه متنی

Greg Bastien; Earl Carter; Christian Degu

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  • Chapter 3



    "Do I Know This Already?" Quiz


    A1:

    Answer: False

    A2:

    Answer: a

    A3:

    Answer: b

    A4:

    Answer: d

    A5:

    Answer: b

    A6:

    Answer: e

    A7:

    Answer: b

    A8:

    Answer: e

    A9:

    Answer: d

    A10:

    Answer: c


    Q&A


    A1:

    Answer: The ASA is an algorithm used by the PIX Firewall to provide better security than packet filters and better performance than application proxies.

    A2:

    Answer: The initial TCP sequence numbers for outbound connections are randomly generated by the PIX Firewall to greatly reduce the chances of an inbound TCP session being hijacked.

    A3:

    Answer:

    - Source IP and port

    - Destination IP and port

    - TCP sequencing information

    - Additional TCP and UDP flags

    - A new random TCP sequence number


    A4:

    Answer: The session is not authorized by the security policy, the session has ended, or the session has timed out.

    A5:

    Answer: Initiate an HTTP, FTP, or Telnet session.

    A6:

    Answer:

    - Entrust Technologies, Inc.Entrust/PKI 4.0

    - Microsoft Corp.Windows 2000 Certificate Server 5.0

    - VeriSignOnsite 4.5

    - Baltimore TechnologiesUniCERT 3.05


    A7:

    Answer: PIX 515E supports up to six 10/100 interfaces.

    A8:

    Answer: The PIX 515E is the lowest model to support failover.

    A9:

    Answer:

    - Command-line interface (CLI)

    - PIX Device Manager (PDM)

    - CiscoWorks Management Center for Firewalls (PIX MC)


    A10:

    Answer:

    - It is more secure than packet filtering.

    - It has greater performance than application proxy.

    - It can guard against session hijacking.

    - It is part of the embedded PIX operating system.



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