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Exam Code:
640-554Exam Name: Implementing Cisco IOS Network Security (IINS v2.0)
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640-554 Latest Dumps Total Q&A: 246 Questions and Answers
Last Update: 07-27,2015
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Exam Code:
642-437Exam Name: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
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642-437 Bootcamp Total Q&A: 256 Questions and Answers
Last Update: 07-27,2015
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Explanation:
http://www.cisco.com/en/US/docs/security/asa/asa82/configuration/guide/intro.html
NO.2 Which two countermeasures can mitigate STP root bridge attacks? (Choose two.)
A. root guard
B. BPDU filtering
C. Layer 2 PDU rate limiter
D. BPDU guard
Answer: A,D
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Explanation:
The BPDU guard feature is designed to allow network designers to keep the active network topology
predictable. BPDU guard is used to protect the switched network from the problems that may be
caused by the receipt of BPDUs on ports that should not be receiving them. The receipt of
unexpected BPDUs may be accidental or may be part of an unauthorized attempt to add a switch to
the network. BPDU guard is best deployed toward user-facing ports to prevent rogue switch network
extensions by an attacker. The root guard feature of Cisco switches is designed to provide a way to
enforce the placement of root bridges in the network. Root guard limits the switch ports out of which
the root bridge may be negotiated. If a root-guard-enabled port receives BPDUs that are superior to
those that the current root bridge is sending, then that port is moved to a root-inconsistent state,
which is effectively equal to an STP listening state, and no data traffic is forwarded across that port.
NO.3 What are three features of IPsec tunnel mode? (Choose three.)
A. IPsec tunnel mode supports multicast.
B. IPsec tunnel mode is used between gateways.
C. IPsec tunnel mode is used between end stations.
D. IPsec tunnel mode supports unicast traffic.
E. IPsec tunnel mode encrypts only the payload.
F. IPsec tunnel mode encrypts the entire packet.
Answer: B,D,F
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NO.4 DRAG DROP
Answer:
Explanation:
NO.5 Refer to the exhibit.
You are a network manager for your organization. You are looking at your Syslog server reports.
Based on the Syslog message shown, which two statements are true? (Choose two.)
A. Service timestamps have been globally enabled.
B. This is a normal system-generated information message and does not require further investigation.
C. This message is unimportant and can be ignored.
D. This message is a level 5 notification message.
Answer: A,D
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Explanation:
http://www.cisco.com/en/US/docs/switches/lan/catalyst2960/software/release/12.2_55_se/configu
ration/guide/swlog.html
System Log Message Format
System log messages can contain up to 80 characters and a percent sign (%), which follows the
optional sequence number or time-stamp information, if configured. Messages appear in this
format:
seq no:timestamp: %facility-severity-MNEMONIC:description (hostname-n)
The part of the message preceding the percent sign depends on the setting of the service
sequence-numbers, service timestamps log datetime, service timestamps log datetime [localtime]
[msec] [show-timezone], or service timestamps log uptime global configuration command.
seq no:
Stamps log messages with a sequence number only if the service sequence-numbers global
configuration command is configured.
For more information, see the "Enabling and Disabling Sequence Numbers in Log Messages"
section.
timestamp formats:
mm/dd hh:mm:ss
or
hh:mm:ss (short uptime)
or
d h (long uptime)
Date and time of the message or event. This information appears only if the service timestamps
log [datetime | log] global configuration command is configured.
For more information, see the "Enabling and Disabling Time Stamps on Log Messages"
section.facility
The facility to which the message refers (for example, SNMP, SYS, and so forth). For a list of
supported facilities, see Table 29-4.severity
Single-digit code from 0 to 7 that is the severity of the message. For a description of the severity
levels, see Table 29-3.
MNEMONIC
Text string that uniquely describes the message.
description
Text string containing detailed information about the event being reported.
http://www.cisco.com/en/US/docs/switches/lan/catalyst2960/software/release/12.2_55_se/configu
r
ation/guide/swlog.html
This example shows part of a logging display with the service timestamps log datetime global
configuration command enabled:
*Mar 1 18:46:11: %SYS-5-CONFIG_I: Configured from console by vty2 (10.34.195.36) (Switch-2)
NO.6 Which two features are supported by Cisco IronPort Security Gateway? (Choose two.)
A. Spam protection
B. Outbreak intelligence
C. HTTP and HTTPS scanning
D. Email encryption
E. DDoS protection
Answer: A,D
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Explanation:
http://www.cisco.com/en/US/prod/collateral/vpndevc/ps10128/ps10154/data-sheetc78-
729751.html
Product Overview Over the past 20 years, email has evolved from a tool used primarily by technical
and research professionals to become the backbone of corporate communications. Each day, more
than 100 billion corporate email messages are exchanged. As the level of use rises, security becomes
a greater priority. Mass spam campaigns are no longer the only concern. Today, spam and malware
are just part of a complex picture that includes inbound threats and outbound risks. Cisco@ Email
Security solutions defend mission-critical email systems with appliance, virtual, cloud, and hybrid
solutions. The industry leader in email security solutions, Cisco delivers:
NO.7 Which statement about the Atomic signature engine is true?
A. It can perform signature matching on a single packet only.
B. It can perform signature matching on multiple packets.
C. It can examine applications independent of the platform.
D. It can flexibly match patterns in a session.
Answer: A
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NO.8 Which option describes a function of a virtual VLAN?
A. A virtual VLAN creates a logically partitioned LAN to place switch ports in a separate broadcast
domain.
B. A virtual VLAN creates trunks and links two switches together.
C. A virtual VLAN adds every port on a switch to its own collision domain.
D. A virtual VLAN connects many hubs together.
Answer: A
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