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QUESTION 72
By default, what will a router do with incoming network traffic when the Cisco IOS IPS software fails to build a SME?
A. scan traffic using the most recently installed SME
B. drop all packets destined for that SME
C. print a syslog message indicating that failure of the SME build
D. pass traffic packets destined for that SME without scanning them

Correct Answer: D Section: (none) Explanation
Explanation/Reference:
Explanation: Cisco IOS IPS uses signature microengines (SMEs) to load the SDF and scan signatures. Signatures contained within the SDF are handled by a variety of SMEs. The SDF typically contains signature definitions for multiple engines. The SME typically corresponds to the protocol in which the signature occurs and looks for malicious activity in that protocol. A packet is processed by several SMEs. Each SME scans for various conditions that can lead to a signature pattern match. When an SME scans the packets, it extracts certain values, searching for patterns within the packet via the regular expression engine. Example of Alarm Message: %IPS-5-PACKET_UNSCANNED:SERVICE.DNS -packets passed unscanned while engine is building It means Packets are passing through the network but are not being scanned because the specified IPS module is not functioning and the ipips fail closed command is not configured. The message is rate limited to 1 message per 60seconds
QUESTION 73
What isthe difference between the attack-drop.s

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QUESTION 52
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

Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 53
Which method does the Cisco IDM use to communicate with the sensor?

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QUESTION 107
You have configured the security appliance and an AAA server for authentication. Why does Telnet and FTP authentication work normally but HTTP authentication does not?
A. You must specify HTTPS authentication in your configuration.
B. The AAA server is not properly configured to accept HTTP authentication requests.
C. You have not enabled HTTP authorization, which is required for HTTP authentication.
D. HTTP reauthentication may be taking place with the web browser sending the cached username and password back to the security appliance.

Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 108
Cisco ASDM helps you manage network and application security more effectively while improving operational efficiency. You work as a network administrator for ABC company. And you use the IPsec VPN Wizard to configure a site-to-site VPN in Cisco ASDM. Now you would like to modify the crypto ACL to specify different protected traffic. Where should you go in Cisco ASDM to accomplish this task?

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QUESTION 51
Refer to the exhibit. Assume that you want to configure the Cisco VPN client so that it can make remote access VPN connections to a Cisco ASA adaptive security appliance using a preshared key. Which two statements provide the correct information for the fields that they reference? (Choose two.)

A. In the Connection Entry field, enter the name of the connection profile as it is specified on the security appliance
B. In the Host field, enter the public interface IP address of the security appliance
C. In the Authentication tab, click the radio button for the authentication method you want to usE. For preshared key authentication, you can select Group Authentication or Mutual Group Authentication.
D. In the Name field, enter the name of a group policy that matches a group policy on the security appliancE.
E. In the Password field, enter the preshared key that matches the preshared key configured on the security appliancE.

Correct Answer: BE Section: (none) Explanation
Explanation/Reference: QUESTION 52
Without port forwarding, smart tunnels, or browser plug-ins, which four options can a clientless SSL VPN user access from a web browser? (Choose four.)
A. internal websites
B. Microsoft Outlook Web Access
C. files on the network, via FTP or the CIFS protocol
D. Citrix Presentation Server Client
E. Sametime
F. web-enabled applications

Correct Answer: ABCF Section: (none) Explanation
Explanation/Reference:
QUESTION 53
Multimedia applications can pose challenges to a firewall because they transmit requests on TCP, get responses on UDP or TCP, use dynamic ports, and use the same port for source and destination. Which three statements accurately describe how the Cisco ASA adaptive security appliance handles multimedia applications? (Choose three )
A. It dynamically opens and closes UDP ports for secure multimedia connections, so you do not need to open a large range of ports.

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QUESTION 51
You word as a network administrator. You are asked to examine the current firewall configurations on the LA-ASA Adaptive Security Appliances using the Cisco Adaptive Security Device Manage (ASDM) utility. You need to answer the multiple-choice questions in this simulation using the appropriate Cisco ASDM configuration screens.

Which one of the following statements is correct according to the current configuration?
A. Hosts on the inside interface can make SMTP connections to the public email server on the dmz_email interface.
B. Hosts on the dmz_web interface can make HTTP connections to the inside host on the inside interface.
C. Hosts on the dmz_web interface can make HTTP connections to any host on the outside interface.

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QUESTION 55
When a WAE that was optimizing connections fails, which two symptoms will you expect to observe in a TCP trace? (Choose two.)
A. All optimized TCP connections handled by that WAE are reset.
B. The receiving node continues normally because it has a session to the originating node.
C. All TCP connections are taken over by the receiving node.
D. The receiving node sees segments with SEQ ACK numbers that it was not expecting.

Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
QUESTION 56
SACK improves performance for which type of traffic?
A. traffic on lossy networks
B. short-lived TCP connections
C. traffic on low-BDP networks
D. traffic on high-BDP networks

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 57
Regarding the following items, which assign an action to be taken against traffic that matchesa criterion?

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QUESTION 72
Which of the following represents the behavior of the CBAC aggressive mode in a Cisco IOS firewall?
A. Delete all half-open session
B. Re-initiate half open session
C. Complete all half open sessions, make the full open session
D. Delete half-open session as needed to accommodate new connection requests
E. All of the above, based on configuration

Correct Answer: D Section: (none) Explanation
Explanation/Reference:
Explanation: A TCP SYN attack occurs when an attacking source host generates TCP SYN packets with random source addresses and sends them in rapid succession to a victim host. The victim destination host sends a SYN ACK back to the random source address and adds an entry to the connection queue. Since the SYN ACK is destined for an incorrect or nonexistent host, the acknowledgment is never completed and the entry remains in the connection queue until a timer expires. The connection queue fills up and legitimate users cannot use TCP services. However, with CBAC, TCP packets flow from the outside only in response to traffic sent from the inside. The attacking host can’t get its packets through, and the attack does not succeed. In addition, by inspecting inbound on the external interface (interface serial 0 in the example above), CBAC can account for half-open connections through the firewall and begin closing those half-open connections in an aggressive mode. The firewall will calm down once the number of half-open connections settles down to a user-defined value.

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QUESTION 35
Which three ways can AAA services be implemented for Cisco routers? (Choose three.)
A. self-contained AAA services in the router itself
B. Cisco Secure ACS Network Module
C. Cisco Secure ACS Solution Engine
D. Cisco Security Manager AAA Service Module
E. Cisco Secure ACS for Windows Servers
F. Cisco Security Manager ACS Service Module

Correct Answer: ACE Section: (none) Explanation
Explanation/Reference:
Explanation: Authentication, authorization, and accounting (AAA) is a way to control who is allowed to access your network (authenticate), what they can do while they are there (authorize), and to audit what actions they performed while accessing the network (accounting). AAA can be used in Internet Protocol Security (IPSec) to provide preshared keys during the Internet Security Association and Key Management Protocol (ISAKMP) process or to provide per-user authentication, known as XAUTH, during ISAKMP. AAA can be used to provide a mechanism for authorizing commands that administrators enter at the command line of a Cisco device. This is called command-line authorization. AAA is also seen in a Virtual Private Dial-Up Networking (VPDN) tunnel set up between two routers.

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Exam A
QUESTION 1
Which Cisco ASA’s Unified Communications proxy feature manipulates both the signaling and the media channels?
A. TLS Proxy
B. H.323 Proxy
C. SIP Proxy
D. Phone Proxy
E. CUMA Proxy

Correct Answer: D Section: (none) Explanation
QUESTION 2
Deploying logical security controls such as firewall and IPS appliances is an example of which kind of risk-management option?
A. risk avoidance
B. risk transfer
C. risk retention
D. risk reduction
E. risk removal

Correct Answer: A Section: (none) Explanation
QUESTION 3
DRAG DROP

A.

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