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Testking CCSP 642-551

Securing Cisco Network Devices Exam

Last day to test 01/31/07
Exam Number: 642-551
Associated Certifications: CCSP, Cisco Firewall, Cisco IPS, and Cisco VPN Specialist
Duration: 90 minutes (60-70 questions)
Available Languages: English
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Exam Tutorial: Review type of exam questions
Question: 1
What is a reconnaissance attack?

A. when an intruder attacks networks or systems to retrieve data, gain access, or escalate access privileges.
B. when an intruder attempts to discover and map systems, services, and vulnerabilities
C. when malicious software is inserted onto a host in order to damage a system, corrupt a system, replicate itself, or deny service or access to networks, systems, or services
D. when an intruder attacks your network in a way that damages or corrupts your computer system, or denies you and other access to your networks, systems, or services
E. when an intruder attempts to learn user IDs and passwords that can later be used in identity theft
Answer: B Explanation:
Attackers and hackers can employ social engineering techniques to pose as legitimate people
seeking out information. A few well structured telephone calls to unsuspecting employees can provide a significant amount of information

Incorrect::
A – Is called ‘Access attacks’
C – Is called ‘Worms, Viruses and Trojan Horses’ D – Is called ‘Denial of Service (DOS) attacks’
E – This is an example of social engineering

Question: 2
Which communication protocol is used by the administrator workstation to communicate with the
CSA MC?

A. SSH B. Telnet
C. HTTPS D. SSL
Answer: D Explanation:
Management Center for Cisco Security Agent (CSA MC) uses a Secure Sockets Layer
(SSL)-enabled web interface.

Question: 3
What should be the first step in migrating a network to a secure infrastructure?

A. developing a security policy
B. securing the perimeter
C. implementing antivirus protection
D. securing the DMZ
Answer: A Explanation:
The development of a security policy is the first step to a secure infrastructure, without this availability of your network will be compromised.

Exam Name: Securing Cisco Network Devices
Exam Type Cisco
Exam Code: 642-551 Total Questions: 62

Question: 4
Select two ways to secure hardware from threats. (Choose two.)

A. The room must have steel walls and doors. B. The room must be static free.
C. The room must be locked, with only authorized people allowed access.
D. The room should not be accessible via a dropped ceiling, raised floor, window, ductwork, or point of entry other than the secured access point.
Answer: C, D Incorrect:
A – Not a required element.
B – Is called ‘Environment Threat mitigation’

Question: 5
At which layer of the OSI model does a proxy server work?

A. data link
B. physical
C. application
D. network
E. transport
Answer: C Explanation:
A proxy server is an application

Question: 6
Which command on the Cisco PIX Security Appliance is used to write the current running config
to the Flash memory startup config?

A. write terminal
B. write config
C. write memory
D. write startup config
Answer: C Incorrect:
A – Shows running configuration on screen, like show running-configuration
B – No such command
D – No such command

Question: 7
What is a description of a promiscuous PVLAN port?

A. It has a complete Layer 2 separation from the other ports within the same PVLAN. B. It can only communicate with other promiscuous ports.
C. It can communicate with all interfaces within a PVLAN. D. It cannot communicate with other ports.

Answer: C

Exam Name: Securing Cisco Network Devices
Exam Type Cisco
Exam Code: 642-551 Total Questions: 62

Incorrect:
A – This is called ‘Isolated’
B – This is called ‘Community’ D – No such PVLAN

Question: 8
How do you enable a host or a network to remotely access the Cisco IPS/IDS sensor?

A. Configure static routes.
B. Configure dynamic routing. C. Configure allowed hosts.
D. Configure DHCP.
Answer: C Explanation:
The Allowed Hosts option enables you to define which IP addresses are allowed to access the sensor via its management interface.

Question: 9
In which version did NTP begin to support cryptographic authentication?

A. version 5
B. version 4
C. version 3
D. version 2
Answer: C Explanation:
Version 3 or above is required to support Cryptographic authentication mechanism between peers.

Question: 10
What must be configured on a network-based Cisco IDS/IPS to allow to monitor traffic?

A. Enable rules.
B. Enable signatures. C. Disable rules.
D. Disable signatures.
Answer: B Question: 11
What is a DoS attack?

A. when an intruder attacks networks or systems to retrieve data, gain access, or escalate access privileges
B. when an intruder attempts to discover and map systems, services, and vulnerabilities
C. when malicious software is inserted onto a host in order to damage a system, corrupt a system, replicate itself, or deny services or access to networks, systems, or services
D. When an intruder attacks your network in a way that damages or corrupts your computer system, or denies you and others access to your networks, systems, or services

Answer: D

Exam Name: Securing Cisco Network Devices
Exam Type Cisco
Exam Code: 642-551 Total Questions: 62

Explanation:
These attacks are when malicious software is inserted onto a host in order to damage a system, corrupt a system, replicate itself, or deny services or access to networks, systems, or services.

Incorrect:
A – Is called ‘Access attacks’
B – Is called ‘Reconnaissance attacks’
C – Is called ‘Worms, Viruses and Trojan Horses’

Question: 12
Cisco routers, such as the ISRs, are best suited for deploying which type of IPSec VPN?

A. remote-access VPN B. overlay VPN
C. WAN-to-WAN VPN D. site-to-site VPN
E. SSL VPN
Answer: D Explanation:
Site-to-site VPNs can be deployed using a wide variety of Cisco VPN Routers. Cisco VPN routers provide scalability through optional encryption acceleration. The Cisco VPN router portfolio
provides solutions for small office and home office (SOHO) access through centralsite VPN
aggregation. SOHO solutions include platforms for fast-emerging cable and DSLaccess technologies.

Incorrect:
A – This VPN solution connects telecommuters and mobile users securely and cost-effectively to corporate network resources from anywhere in the world over any access technology.

Question: 13
Which method of mitigation packet-sniffer attacks is most cost effective?

A. authentication
B. switched infrastructure
C. antisniffer tools
D. cryptography
Answer: D Explanation:
Cryptography: Rendering packet sniffers irrelevant is the most effective method for countering packet sniffers.
Cryptography is even more effective than preventing or detecting packet sniffers. If a communication channel is cryptographically secure, the only data a packet sniffer detects is
cipher text (a seemingly random string of bits) and not the original message.

Question: 14
Which encryption method uses a 58-bit to ensure high-performance encryption?

A. 3DES B. AES C. RSA

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