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ISCW – Implementing Secure Converged Wide Area Networks : 642-825 Exam

642-825 ISCW
Implementing Secure Converged Wide Area Networks

Exam Number: 642-825
Associated Certifications: CCNP
Duration: 90 minutes
Available Languages: English
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Exam Description Exam Topics Recommended Training Additional Resources
Exam Description
The Implementing Secure Converged Wide Area Networks (ISCW 642-825) is a qualifying exam for the Cisco Certified Network Professional CCNP®. The ISCW 642-825 exam will certify that the successful candidate has important knowledge and skills necessary to secure and expand the reach of an enterprise network to teleworkers and remote sites with focus on securing remote access and VPN client configuration. The exam covers topics on Cisco hierarchical network model as it pertains to the WAN, teleworker configuration and access, frame mode MPLS, site-to-site IPSEC VPN, Cisco EZVPN, strategies used to mitigate network attacks, Cisco device hardening and IOS firewall features.

Exam Topics
The following information provides general guidelines for the content likely to be included on the 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.

Implement basic teleworker services.
Describe Cable (HFC) technologies.
Describe xDSL technologies.
Configure ADSL (i.e., PPPoE or PPPoA).
Verify basic teleworker configurations.

Implement Frame-Mode MPLS.
Describe the components and operation of Frame-Mode MPLS (e.g., packet-based MPLS VPNs).
Configure and verify Frame-Mode MPLS.

Implement a site-to-site IPSec VPN
Describe the components and operations of IPSec VPNs and GRE Tunnels.
Configure a site-to-site IPSec VPN/GRE Tunnel with SDM (i.e., preshared key).
Verify IPSec/GRE Tunnel configurations (i.e., IOS CLI configurations).
Describe, configure, and verify VPN backup interfaces.
Describe and configure Cisco Easy VPN solutions using SDM.

Describe network security strategies.
Describe and mitigate common network attacks (i.e., Reconnaissance, Access, and Denial of Service).
Describe and mitigate Worm, Virus, and Trojan Horse attacks.
Describe and mitigate application-layer attacks (e.g., management protocols).

Implement Cisco Device Hardening
Describe, Configure, and verify AutoSecure/One-Step Lockdown implementations (i.e., CLI and SDM).
Describe, configure, and verify AAA for Cisco Routers.
Describe and configure threat and attack mitigation using ACLs.
Describe and configure IOS secure management features (e.g., SSH, SNMP, SYSLOG, NTP, Role-Based CLI, etc.)

Implement Cisco IOS firewall.
Describe the functions and operations of Cisco IOS Firewall (e.g., Stateful Firewall, CBAC, etc.).
Configure Cisco IOS Firewall with SDM.
Verify Cisco IOS Firewall configurations (i.e., IOS CLI configurations, SDM Monitor).

Describe and configure Cisco IOS IPS.
Describe the functions and operations of IDS and IPS systems (e.g., IDS/IPS signatures, IPS Alarms, etc.)
Configure Cisco IOS IPS using SDM.

“Implementing Secure Converged Wide Area Networks”, also known as 642-825 exam, is a Cisco certification.
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QUESTION 21:
Part of the configuration of a Certkiller router is shown below:
Based on the information above, what is needed to complete the PPPoA
configuration on this Certkiller router?
A. The ATM PVC needs to be configured.
B. The VPDN group needs to be created.
C. PPPoE encapsulation needs to be configured on the ATM interface.
D. PAP authentication needs to be configured.

E. A static route to the ISP needs to be configured.
F. None of the above
Answer: A
Explanation:
When you configure PPPoA, a logical interface, known as a virtual access interface,
associates each PPP connection with an ATM virtual circuit (VC). You can create this
logical interface by configuring an ATM PVC or switched virtual circuit (SVC). This
configuration encapsulates each PPP connection in a separate PVC or SVC, allowing
each PPP connection to terminate at the router ATM interface as if received from a
typical PPP serial interface.
QUESTION 22:
A small Certkiller office needs to connect their Cisco router to the DSL service
provider. Which three configuration steps must be taken to connect a DSL ATM
interface to a service provider? (Select three)
A. Configure the ATM PVC.
B. Assign a VPDN group name.
C. Configure PPPoE on the VPDN group.
D. Enable VPDN.
E. Configure the correct PPP encapsulation on the ATM virtual circuit.
F. Configure a dialer interface.
Answer: A, E, F
Explanation:
Configuring DSL ATM interface to a Service Provider:
1. dsl operating-mode auto interface configuration command to specify that the router

automatically detect the DSL modulation that the service provider is using and set the
DSL modulation to match. An incompatible DSL modulation configuration can result in
failure to establish a DSL connection to the DSLAM of the service provider.
Router(Config)# interface atm number
Router(Config0f)#dsl operating-mode auto
2. Thepvc interface configuration command to set the virtual path identifier/virtual
channel identifier (VPI/VCI) that is used by the DSL service provider, as shown in the
table. Settings for the VPI/VCI value on the Cisco router must match the configuration on
the DSLAM of the service provider switch configuration. ATM uses the VPI/VCI to
identify an ATM VC.
Router(Config-if)#pvc vpi/vci
3. Define the Encapsulation:
Router(Config-atm-vc)# encapsulation aal5mux ppp dialer
4. Associate the interface with the pool
Router#(config-atm-vc)#dialer pool-member number
QUESTION 23:
Router CK1 is configured as shown below:
interface ATM0/0
no ip address
pvc 8/35
encapsulation aaa15mux ppp dialer
dialer pool-member 1
!
interface dialer 0
ip address negotiated
encapsulation ppp
dialer pool 1
no cdp enable
ppp chap hostname Certkiller
ppp chap password Certkiller
Given the above configuration, which statement is true?
A. This device is configured as a PPPoE client.
B. This device is configured as a PPPoA client.
C. This device is configured as RFC 1483/2684 bridge.
D. This device is configured an an aggregation router.
Answer: B

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