IINS Implementing Cisco IOS Network Security : 640-553 Exam

640-553 IINS
Implementing Cisco IOS Network Security
Exam Number: 640-553
Associated Certifications: CCNA Security
Duration: 90 minutes (55-65 questions)
Available Languages: English
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Exam DescriptionThe 640-553 IINS Implementing Cisco IOS Network Security exam is associated with the CCNA Security certification. This exam tests a candidate’s knowledge of securing Cisco routers and switches and their associated networks. It leads to validated skills for installation, troubleshooting and monitoring of network devices to maintain integrity, confidentiality and availability of data and devices and develops competency in the technologies that Cisco uses in its security infrastructure.

Candidates can prepare for this exam by taking the Implementing Cisco IOS Network Security (IINS)course.

Exam TopicsThe following topics are general guidelines for the content likely to be included on the Implementing Cisco IOS Network Security exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes, the guidelines below may change at any time without notice.

Describe the security threats facing modern network infrastructures
Describe and list mitigation methods for common network attacks
Describe and list mitigation methods for Worm, Virus, and Trojan Horse attacks
Describe the Cisco Self Defending Network architecture

Secure Cisco routers
Secure Cisco routers using the SDM Security Audit feature
Use the One-Step Lockdown feature in SDM to secure a Cisco router
Secure administrative access to Cisco routers by setting strong encrypted passwords, exec timeout, login failure rate and using IOS login enhancements
Secure administrative access to Cisco routers by configuring multiple privilege levels
Secure administrative access to Cisco routers by configuring role based CLI
Secure the Cisco IOS image and configuration file

Implement AAA on Cisco routers using local router database and external ACS
Explain the functions and importance of AAA
Describe the features of TACACS+ and RADIUS AAA protocols
Configure AAA authentication
Configure AAA authorization
Configure AAA accounting

Mitigate threats to Cisco routers and networks using ACLs
Explain the functionality of standard, extended, and named IP ACLs used by routers to filter packets
Configure and verify IP ACLs to mitigate given threats (filter IP traffic destined for Telnet, SNMP, and DDoS attacks) in a network using CLI
Configure IP ACLs to prevent IP address spoofing using CLI
Discuss the caveats to be considered when building ACLs

Implement secure network management and reporting
Use CLI and SDM to configure SSH on Cisco routers to enable secured management access
Use CLI and SDM to configure Cisco routers to send Syslog messages to a Syslog server

Mitigate common Layer 2 attacks
Describe how to prevent layer 2 attacks by configuring basic Catalyst switch security features

Implement the Cisco IOS firewall feature set using SDM
Describe the operational strengths and weaknesses of the different firewall technologies
Explain stateful firewall operations and the function of the state table
Implement Zone Based Firewall using SDM

Implement the Cisco IOS IPS feature set using SDM
Define network based vs. host based intrusion detection and prevention
Explain IPS technologies, attack responses, and monitoring options
Enable and verify Cisco IOS IPS operations using SDM

Implement site-to-site VPNs on Cisco Routers using SDM
Explain the different methods used in cryptography
Explain IKE protocol functionality and phases
Describe the building blocks of IPSec and the security functions it provides
Configure and verify an IPSec site-to-site VPN with pre-shared key authentication using SDM

Exam Number/Code: 640-553
Exam Name:IINS Implementing Cisco IOS Network Security

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QUESTION 11:
Which two design criteria require VLANs in a proposed solution? (Choose two.)
A. video streaming on the LAN
B. a limited corporate budget
C. security between departments
D. the segmenting of broadcast domains
E. the segmenting of collision domains
F. the use of multivendor equipment
Answer: C,D
QUESTION 12:
You design a network with the following network addresses:
192.168.168.0
192.168.169.0
192.168.170.0
192.168.171.0
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192.168.172.0
192.168.173.0
192.168.173.0
192.168.174.0
192.168.175.0
Which route address is the best summary of these network addresses?
A. 192.128.0.0/16
B. 192.128.168.0/21
C. 192.128.0.0/24
D. 192.128.171.128/3
E. 192.128.175.0/3
Answer: B
QUESTION 13:
Which two of the following statements represent a preferred wireless LWAPP
implementation? (Choose two.)
A. verify open ports for:
Layer 2 LWAPP on ethertype OxBBBB
Layer 3 LWAPP on UDP 12222 and UDP 12223
B. verify open ports for:
Layer 2 LWAPP on ethertype OxBABA
Layer 3 LWAPP on UDP 12222 and TCP 12223
C. verify open ports for:
Layer 2 LWAPP on ethertype OxABAB
Layer 3 LWAPP on TCP 12222 and TCP 12223
D. use of Layer 2 LWAPP is preferred over Layer 3 LWAPP
E. use of Layer 3 LWAPP is preferred over Layer 2 LWAPP
Answer: A,E
QUESTION 14:
Which statement can a network designer use to describe route summarization to an IT
manager?
A. It is the grouping of ISP network addresses to minimize the number of routes to the
Internet.
B. It is the grouping of multiple contiguous subnets into one Class A, B, or C IP address
to minimize routing table size.
C. It is the grouping of multiple contiguous networks and advertising as one large
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network.
D. It is the grouping of multiple discontiguous subnets to increase routing performance.
Answer: C
QUESTION 15:
Given a VoIP network with these attributes:
Codec: G.728
Bit rate: 16 Kbps
WAN Bandwidth: 256 Kbps
Packet Header: 6 bytes
Payload: 40 bytes
CRTP: Yes
How many calls can be made?
A. 14 calls
B. 13 calls
C. 7 calls
D. 8 calls
Answer: B
QUESTION 16:
Which two VoIP characteristics are affected most by codec choice? (Choose two.)
A. silent packet handling
B. bandwidth required for voice calls
C. voice quality
D. voice packet header size
Answer: B,C
QUESTION 17:
Certkiller .com has the following Enterprise Campus design requirements:
at least 10 Gbps of bandwidth
network runs of up to 40km
no concern for transmission medium cost
Which transmission medium should you recommend to this customer?
A. multimode fiber
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B. wireless
C. shielded twisted pair
D. single-mode fiber
E. unshielded twisted pair
Answer: D
QUESTION 18:
After a period of rapid growth, FloCzar Boats is seeking better network management
tools. Managers have developed this needs list:
Move from static to dynamic device information.
Gain information to assist in long-term trend analysis.
Concentrate on Layer 4 monitoring.
Which management protocol will most help FloCzar achieve its goals?
A. SNMP
B. NetFlow
C. RMON
D. RMON2
E. Cisco Discovery Protocol
Answer: D
QUESTION 19:
A Cisco SONA architecture layer is described as follows:
The layer’s IT resources are interconnected across a converged network foundation.
The layer’s IT resources include servers, storage, and clients.
The layer represents how resources exist across the network.
The customer objective for the layer is to have anywhere/anytime connectivity.
Which Cisco SONA architecture layer is being described?
A. Interactive Services
B. Physical
C. Networked Infrastructure
D. Application
E. Integrated Transport
Answer: C
QUESTION 20:
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Which two of these are scalability benefits of designing a network that utilizes VPNs?
(Choose two.)
A. extends the network to remote users
B. simplifies the underlying structure of Certkiller .com WAN
C. reduces dial infrastructure expenditures
D. reduces the number of physical connections
E. allows networks to be set up and restructured quickly
Answer: B,D

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