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Exam Code: 350-018Exam Name: CCIE Security Written Exam v4.0
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350-018 Practice Questions Total Q&A: 575 Questions and Answers
Last Update: 12-29,2015
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Exam Code: 350-018v4Exam Name: CCIE Security Exam (4.0)
One year free update, No help, Full refund!
350-018v4 Practice Test Total Q&A: 575 Questions and Answers
Last Update: 12-29,2015
350-018v4 Practice Exam Detail: 350-018v4 Practice Test
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NO.1 Which three fields are part of the AH header? (Choose three.)
A. SPI identifying SA
B. Application Port
C. Protocol ID
D. Source Address
E. Destination Address
F. Packet ICV
G. Next Header
Answer: A,F,G
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Explanation:
The following AH packet diagram shows how an AH packet is constructed and interpreted:[8][9]
Authentication Header format Offsets
Octet16 0 1 2 3 Octet16 Bit10 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
27 28 29 30 31 0 0
Next Header Payload Len Reserved
4 32
Security Parameters Index (SPI)
8 64
Sequence Number
C 96
Integrity Check Value (ICV)...
... ...
Reference: https://en.wikipedia.org/wiki/IPsec
NO.2 Which three statements about Cisco Flexible NetFlow are true? (Choose three.)
A. It tracks all fields of an IPv4 header as well as sections of the data payload.
B. It supports IPv4 and IPv6 packet fields.
C. It can be a useful tool in monitoring the network for attacks.
D. The packet information used to create flows is not configurable by the user.
E. It uses two types of flow cache, normal and permanent.
Answer: A,B,C
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Explanation:
It supports IPv4 and IPv6 packet fields and tracks all fields of an IPv4 header as well as sections of the
data payload. Flow monitors are the Flexible NetFlow component that is applied to interfaces to
perform network traffic monitoring. Flow data is collected from the network traffic and added to the
flow monitor cache during the monitoring process based on the key and nonkey fields in the flow
record. Flexible NetFlow can be used to perform different types of analysis on the same traffic.
NO.3 Refer to the exhibit.
To configure the Cisco ASA, what should you enter in the Name field, under the Group Authentication
option for the IPSec VPN client?
A. crypto ipsec transform-set name
B. isakmp policy name
C. crypto map name
D. group policy name
E. tunnel group name
Answer: E
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Explanation:
The Name in the VPN client refers to the name of the tunnel group configured on the ASA.
Group name is case sensitive, so please make sure that you type is correctly.
NO.4 Which query type is required for an nslookup on an IPv6 addressed host?
A. type=AAAA
B. type=NAME-IPV6
C. type=PTR
D. type=ANY
Answer: A
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Explanation:
An AAAA-record is used to specify the IPv6 address for a host (equivalent of the A-record type for
IPv4).
NO.5 Which signature engine would you choose to filter for the regex [aA][tT][tT][aA][cC][kK] in the
URI field of the HTTP header?
A. string TCP
B. AIC HTTP
C. ATOMIC IP
D. service HTTP
Answer: D
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Reference: https://supportforums.cisco.com/blog/149481/introduction-regular-expressionsips
NO.6 Which type of PVLAN ports can communicate among themselves and with the promiscuous
port?
A. primary
B. isolated
C. protected
D. secondary
E. community
Answer: E
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Explanation:
A promiscuous port can communicate with all interfaces, including the isolated and community ports
within a PVLAN.
NO.7 Which Cisco IOS IPS signature action denies an attacker session using the dynamic access list?
A. deny-connection-inline
B. produce-alert
C. reset-tcp-action
D. deny-packet-inline
E. deny-session-inline
F. deny-attacker-inline
Answer: A
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Explanation:
Deny connection inline: This action prevents further communication for the specific TCP flow. This
action is appropriate when there is the potential for a false alarm or spoofing and when an
administrator wants to prevent the action but not deny further communication.
NO.8 Which command is required in order for the Botnet Traffic Filter on the Cisco ASA appliance to
function properly?
A. inspect botnet
B. dynamic-filter whitelist
C. dynamic-filter inspect tcp/80
D. inspect dns dynamic-filter-snoop
Answer: D
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Explanation:
Enable DNS snooping on the external interface ASA(config)# policy-map botnet-policy ASA(config-
pmap)# class botnet-DNS
ASA(config-pmap-c)# inspect dns dynamic-filter-snoop