Cisco 642-648 Q&A - in .pdf

  • Exam Code: 642-648
  • Exam Name: Deploying Cisco ASA VPN Solutions (VPN v2.0)
  • Updated: Sep 14, 2026
  • Q & A: 121 Questions and Answers
  • PDF Price: $59.98
  • Printable Cisco 642-648 PDF Format. It is an electronic file format regardless of the operating system platform.
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Cisco 642-648 Q&A - Testing Engine

  • Exam Code: 642-648
  • Exam Name: Deploying Cisco ASA VPN Solutions (VPN v2.0)
  • Updated: Sep 14, 2026
  • Q & A: 121 Questions and Answers
  • Install on multiple computers for self-paced, at-your-convenience training.
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Cisco 642-648 Exam Syllabus Topics:
SectionObjectives
Topic 1: VPN Fundamentals- IPsec concepts and architecture
  • 1. IKEv1 and IKEv2 negotiation basics
    • 2. ESP and AH protocols
      • 3. Encryption and hashing algorithms
        Topic 2: Authentication and Authorization- Certificate-based authentication
        • 1. PKI deployment for VPNs
          • 2. Certificate validation and trustpoints
            - AAA integration
            • 1. User authentication methods
              • 2. RADIUS and TACACS+ integration
                Topic 3: VPN Advanced Features- High availability and redundancy
                • 1. Stateful failover concepts
                  • 2. Failover for VPN sessions
                    - NAT traversal and firewall considerations
                    • 1. NAT-T configuration
                      • 2. Access control policies for VPN traffic
                        Topic 4: Cisco ASA VPN Configuration- Site-to-Site VPN configuration
                        • 1. Routing for VPN traffic
                          • 2. Crypto maps and tunnel groups
                            - Remote Access VPN
                            • 1. Clientless SSL VPN basics
                              • 2. SSL VPN (AnyConnect) configuration
                                Topic 5: Troubleshooting and Monitoring- Performance and connectivity issues
                                • 1. MTU and fragmentation issues
                                  • 2. IKE negotiation troubleshooting
                                    - VPN diagnostics
                                    • 1. Debug commands on Cisco ASA
                                      • 2. Log analysis for VPN failures
                                        Cisco Deploying Cisco ASA VPN Solutions (VPN v2.0) Sample Questions:
                                        Question #1

                                        You are the network security administrator. You receive a call from a user stating that he cannot log onto the network. In the process of troubleshooting, you determine that this user is accessing the network via certificate-based Cisco AnyConnect SSL VPN.
                                        What is a troubleshooting step that you should perform to determine the cause of the access problem?

                                        • A. Ask the user to use IPsec, and test the connection attempts.
                                        • B. Revoke and reissue the certificate, and have the user try again.
                                        • C. Check the WebACLs on the Cisco ASA.
                                        • D. Verify that a connection can be made without using certificates.
                                        Reveal Solution  Discussion  0

                                        Correct Answer: D  🗳️

                                        Question #2

                                        Which statement about plug-ins is false?

                                        • A. Plug-ins require administrator privileges on the remote system.
                                        • B. Plug-ins support interactive terminal access.
                                        • C. Plug-ins are not supported on the Windows Mobile platform.
                                        • D. Plug-ins do not require any installation on the remote system.
                                        Reveal Solution  Discussion  0

                                        Correct Answer: A  🗳️

                                        Explanation: Only visible for Test4Engine members. You can sign-up / login (it's free).

                                        Question #3

                                        Which three options are characteristics of WebType ACLs? (Choose three.)

                                        • A. They support URL pattern matching.
                                        • B. They support standard and extended WebType ACLs.
                                        • C. They can be defined in the Cisco AnyConnect Profile Editor.
                                        • D. They support implicit deny all at the end of the ACL.
                                        • E. They are assigned per-user or per-group policy.
                                        • F. They are assigned per-connection profile.
                                        Reveal Solution  Discussion  0

                                        Correct Answer: A,D,E  🗳️

                                        Explanation: Only visible for Test4Engine members. You can sign-up / login (it's free).

                                        Question #4

                                        Refer to the exhibit.

                                        Today was the first day on a new project for an offsite temporary worker at the XYZ Corporation. The worker was told to launch the SSL VPN session and then use the smart tunnel application to start a remote desktop application on the project server, projects_server.xyz.com. The worker looked at the portal screen that was provided, but she did not know how to access the smart tunnel application.
                                        As the help desk person, what should you instruct the temporary worker to do?

                                        • A. On the Home page, click the Address drop-down menu, choose RDP://, and fill in the destination host name, which is projects_server.abc.com.
                                        • B. Click the Applications Access button.
                                        • C. Click the Browse Networks button.
                                        • D. Click the Web Applications button.
                                        Reveal Solution  Discussion  0

                                        Correct Answer: B  🗳️

                                        Question #5

                                        When configuring dead peer detection for remote-access VPN, what does the confidence level parameter represent?

                                        • A. It is determined dynamically based on reliability, uptime, and load.
                                        • B. The higher the number, the more reliable the link is.
                                        • C. It specifies the number of seconds to wait between IKE keepalive retries.
                                        • D. It specifies the number of seconds the adaptive security appliance should allow a peer to idle before beginning keepalive monitoring.
                                        Reveal Solution  Discussion  0

                                        Correct Answer: D  🗳️

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