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

Exam Code: 640-554
Exam Name: Implementing Cisco IOS Network Security (IINS v2.0)
Updated: Sep 21, 2026 Q & A: 289 Questions and Answers

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Cisco 640-554 Exam Syllabus Topics:

Section	Objectives
AAA (Authentication, Authorization, and Accounting)	- Configure AAA on Cisco IOS devices 1. Local and server-based authentication 2. RADIUS and TACACS+ integration
VPN Technologies	- Configure site-to-site and remote access VPNs 1. VPN configuration on IOS routers 2. IPsec fundamentals
Cisco IOS Firewall Technologies	- Implement IOS firewall features 1. Zone-Based Firewall (ZBFW) 2. Context-based Access Control (CBAC)
Network Device Security	- Implement device hardening and secure configurations 1. Secure SNMP and system logging 2. Disable unnecessary services
Secure Access	- Configure secure administrative access to Cisco devices 1. SSH configuration and management access security 2. Password policies and device hardening
Threat Defense and Network Security Policies	- Implement security policies and mitigation techniques 1. Traffic filtering and ACL design 2. Mitigating network attacks

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

Question #1

What does level 5 in this enable secret global configuration mode command indicate?
router#enable secret level 5 password

A. Set the enable secret command to privilege level 5.
B. The enable secret password is hashed using SHA.
C. The enable secret password is encrypted using Cisco proprietary level 5 encryption.
D. The enable secret password is for accessing exec privilege level 5.
E. The enable secret password is hashed using MD5.

Reveal Solution Discussion 0

Correct Answer: A 🗳️

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Question #2

Which router management feature provides for the ability to configure multiple administrative views?

A. parser view view name
B. secure config privilege {level}
C. role-based CLI
D. virtual routing and forwarding

Reveal Solution Discussion 0

Correct Answer: C 🗳️

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Question #3

Which statement about IPv6 address allocation is true?

A. IPv6-enabled devices can be assigned only one IPv6 IP address.
B. ULA addressing is required for Internet connectivity.
C. IPv6-enabled devices can be assigned multiple IPv6 IP addresses.
D. A DHCP server is required to allocate IPv6 IP addresses.

Reveal Solution Discussion 0

Correct Answer: C 🗳️

Question #4

Which option describes a function of a virtual VLAN?

A. A virtual VLAN creates trunks and links two switches together.
B. A virtual VLAN creates a logically partitioned LAN to place switch ports in a separate broadcast domain.
C. A virtual VLAN connects many hubs together.
D. A virtual VLAN adds every port on a switch to its own collision domain.

Reveal Solution Discussion 0

Correct Answer: B 🗳️

Question #5

What is the default STP priority on a switch?