Cisco 640-554 : Implementing Cisco IOS Network Security (IINS v2.0)

Exam Code: 640-554

Exam Name: Implementing Cisco IOS Network Security (IINS v2.0)

Updated: Jul 19, 2026

Q & A: 289 Questions and Answers

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Cisco 640-554 Exam Syllabus Topics:

SectionObjectives
Topic 1: LAN, SAN, Voice, and Endpoint Security- Infrastructure security
  • 1. Endpoint security concepts
    • 2. Layer 2 attack mitigation
      • 3. SAN security overview
        • 4. VoIP security overview
          Topic 2: Cryptography Fundamentals- Encryption technologies
          • 1. Symmetric and asymmetric encryption
            • 2. Public Key Infrastructure (PKI)
              • 3. Hashing and digital signatures
                Topic 3: Network Security Principles- Security policies and risk management
                • 1. Security policy development
                  • 2. Threats, vulnerabilities, and mitigation strategies
                    • 3. Information security concepts
                      Topic 4: Cisco IOS Firewall Technologies- Access control and firewall implementation
                      • 1. Standard, extended, and named ACLs
                        • 2. Stateful firewall operations
                          • 3. Zone-Based Policy Firewall
                            Topic 5: Perimeter Security- Router hardening and secure management
                            • 1. AAA using TACACS+ and RADIUS
                              • 2. SSH, Syslog, SNMP, and NTP security
                                • 3. Cisco SDM Security Audit and One-Step Lockdown
                                  • 4. Administrative access protection
                                    Topic 6: Site-to-Site VPNs- IPsec VPN implementation
                                    • 1. IKE functionality and phases
                                      • 2. VPN concepts and technologies
                                        • 3. IPsec configuration using Cisco IOS and SDM
                                          Topic 7: Cisco IOS Intrusion Prevention System- IPS technologies
                                          • 1. Cisco IOS IPS configuration and verification
                                            • 2. Network-based and host-based IPS
                                              • 3. Attack detection and response

                                                Cisco Implementing Cisco IOS Network Security (IINS v2.0) Sample Questions:

                                                1. What hash type does Cisco use to validate the integrity of downloaded images?

                                                A) SHA-1
                                                B) MD1
                                                C) MD5
                                                D) SHA-2


                                                2. When a switch has multiple links connected to a downstream switch, what is the first step that STP takes to prevent loops?

                                                A) STP selects the designated port.
                                                B) STP selects the root port.
                                                C) STP blocks one of the ports.
                                                D) STP elects the root bridge.


                                                3. What is the default privilege level for a new user account on a Cisco ASA firewall?

                                                A) 1
                                                B) 2
                                                C) 15
                                                D) 0


                                                4. Which Cisco IOS command is used to verify that either the Cisco IOS image, the configuration files, or both have been properly backed up and secured?

                                                A) show flash
                                                B) show file systems
                                                C) dir
                                                D) show archive
                                                E) dir archive
                                                F) show secure bootset


                                                5. Refer to the exhibit.

                                                Which three statements about these three show outputs are true? (Choose three.)

                                                A) The IPsec transform set specifies the use of GRE over IPsec tunnel mode.
                                                B) The crypto map shown is for an IPsec site-to-site VPN tunnel.
                                                C) The default ISAKMP policy has higher priority than the other two ISAKMP policies with a priority
                                                of 1 and 2
                                                D) Traffic matched by ACL 110 is encrypted.
                                                E) The IPsec transform set uses SHA for data confidentiality.
                                                F) The default ISAKMP policy uses a digital certificate to authenticate the IPsec peer.


                                                Solutions:

                                                Question # 1
                                                Answer: C
                                                Question # 2
                                                Answer: D
                                                Question # 3
                                                Answer: B
                                                Question # 4
                                                Answer: F
                                                Question # 5
                                                Answer: B,D,F

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