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Exam : Cisco 642-825
Title : Implementing Secure Converged Wide Area Networks


1. What are two principles to follow when configuring ACLs with IOS Firewall? (Choose two.)
A. Prevent traffic that will be inspected by IOS Firewall from leaving the network through the firewall.
B. Configure extended ACLs to prevent IOS Firewall return traffic from entering the network through the firewall.
C. Configure an ACL to deny traffic from the protected networks to the unprotected networks.
D. Permit broadcast messages with a source address of 255.255.255.255.
E. Allow traffic that will be inspected by IOS Firewall to leave the network through the firewall.
Answer: BE

2. Which three MPLS statements are true? (Choose three.)
A. Cisco Express Forwarding (CEF) must be enabled as a prerequisite to running MPLS on a Cisco router.
B. Frame-mode MPLS inserts a 32-bit label between the Layer 3 and Layer 4 headers.
C. MPLS is designed for use with frame-based Layer 2 encapsulation protocols such as Frame Relay, but is not supported by ATM because of ATM fixed-length cells.
D. OSPF, EIGRP, IS-IS, RIP, and BGP can be used in the control plane.
E. The control plane is responsible for forwarding packets.
F. The two major components of MPLS include the control plane and the data plane.
Answer: ADF

3. Which two statements about common network attacks are true? (Choose two.)
A. Access attacks can consist of password attacks, trust exploitation, port redirection, and man-in-the-middle attacks.
B. Access attacks can consist of password attacks, ping sweeps, port scans, and man-in-the-middle attacks.
C. Access attacks can consist of packet sniffers, ping sweeps, port scans, and man-in-the-middle attacks.
D. Reconnaissance attacks can consist of password attacks, trust exploitation, port redirection and Internet information queries.
E. Reconnaissance attacks can consist of packet sniffers, port scans, ping sweeps, and Internet information queries.
F. Reconnaissance attacks can consist of ping sweeps, port scans, man-in-middle attacks and Internet information queries.
Answer: AE

4. Which three statements are correct about MPLS-based VPNs? (Choose three.)
A. Route Targets (RTs) are attributes attached to a VPNv4 BGP route to indicate its VPN membership.
B. Scalability becomes challenging for a very large, fully meshed deployment.
C. Authentication is done using a digital certificate or pre-shared key.
D. A VPN client is required for client-initiated deployments.
E. A VPN client is not required for users to interact with the network.
F. An MPLS-based VPN is highly scalable because no site-to-site peering is required.
Answer: AEF

5. Which statement is true about an IPsec/GRE tunnel?
A. The GRE tunnel source and destination addresses are specified within the IPsec transform set.
B. An IPsec/GRE tunnel must use IPsec tunnel mode.
C. GRE encapsulation occurs before the IPsec encryption process.
D. Crypto map ACL is not needed to match which traffic will be protected.
Answer: C

6. What three features does Cisco Security Device Manager (SDM) offer? (Choose three.)
A. smart wizards and advanced configuration support for NAC policy features
B. single-step mitigation of Distributed Denial of Service (DDoS) attacks
C. one-step router lockdown
D. security auditing capability based upon CERT recommendations
E. multi-layered defense against social engineering
F. single-step deployment of basic and advanced policy settings
Answer: ACF

7. Refer to the exhibit. Which two statements about the AAA configuration are true? (Choose two.)
A. A good security practice is to have the none parameter configured as the final method used to ensure that no other authentication method will be used.
B. If a TACACS+ server is not available, then a user connecting via the console port would not be able to gain access since no other authentication method has been defined.
C. If a TACACS+ server is not available, then the user Bob could be able to enter privileged mode as long as the proper enable password is entered.
D. The aaa new-model command forces the router to override every other authentication method previously configured for the router lines.
E. To increase security, group radius should be used instead of group tacacs+.
F. Two authentication options are prescribed by the displayed aaa authentication command.
Answer: DF

8. What are the two main features of Cisco IOS Firewall? (Choose two.)
A. TACACS+
B. AAA
C. Cisco Secure Access Control Server
D. Intrusion Prevention System
E. Authentication Proxy
Answer: DE