640-554問題と解答、700-501日本語学習

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試験番号：640-554
試験科目：「Implementing Cisco IOS Network Security (IINS v2.0)」
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最近更新時間：2015-12-01
問題と解答：全289問 640-554問題と解答

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試験番号：700-501日本語
試験科目：「SMB Specialization for Engineers (700-501日本語版)」
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最近更新時間：2015-12-01
問題と解答：全50問 700-501日本語学習

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NO.1 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

Cisco受験資格   640-554練習問題
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.2 Which statement about Control Plane Policing is true?
A. Control Plane Policing allows QoS filtering to protect the control plane against DoS attacks.
B. Control Plane Policing classifies traffic into three categories to intercept malicious traffic.
C. Control Plane Policing allows ACL-based filtering to protect the control plane against DoS attacks.
D. Control Plane Policing intercepts and classifies all traffic.
Answer: A

Cisco   640-554成果物
Explanation:
The Control Plane Policing feature allows you to configure a quality of service (QoS) filter that
manages the traffic flow of control plane packets to protect the control plane of routers and switches
against reconnaissance and denial-of-service (DoS) attacks. In this way, the control plane (CP) can
help maintain packet forwarding and protocol states despite an attack or heavy traffic load on the
router or switch.
Reference: http://www.cisco.com/c/en/us/td/docs/ios-
xml/ios/qos_plcshp/configuration/xe3s/asr1000/qos-plcshp-xe-3s-asr-1000-book/qos-plcshp-ctrl-pln-
plc.html

NO.3 Which kind of table do most firewalls use today to keep track of the connections through the
firewall?
A. dynamic ACL
B. reflexive ACL
C. netflow
D. queuing
E. state
F. express forwarding
Answer: E

Cisco過去問   640-554テスト
Explanation:
http://www.cisco.com/en/US/docs/security/asa/asa82/configuration/guide/intro.html

NO.4 Which element must you configure to allow traffic to flow from one security zone to another?
A. a zone pair
B. a site-to-site VPN
C. a zone list
D. a zone-based policy
Answer: A

Cisco試験問題解説集   640-554内容   640-554ソフトウエア

NO.5 Which three options are common examples of AAA implementation on Cisco routers? (Choose
three.)
A. authenticating remote users who are accessing the corporate LAN through IPsec VPN connections
B. authenticating administrator access to the router console port, auxiliary port, and vty ports
C. implementing PKI to authenticate and authorize IPsec VPN peers using digital certificates
D. tracking Cisco NetFlow accounting statistics
E. securing the router by locking down all unused services
F. performing router commands authorization using TACACS+
Answer: A,B,F

Cisco真実試験   640-554ソリューション   640-554シナリオ問題   640-554返済
Explanation:
http://www.cisco.com/en/US/products/ps6638/products_data_sheet09186a00804fe332.html
Need for AAA Services Security for user access to the network and the ability to dynamically define a
user's profile to gain access to network resources has a legacy dating back to asynchronous dial
access. AAA network security services provide the primary framework through which a network
administrator can set up access control on network points of entry or network access servers, which
is usually the function of a router or access server.
Authentication identifies a user; authorization determines what that user can do; and accounting
monitors the network usage time for billing purposes. AAA information is typically stored in an
external database or remote server such as RADIUS or TACACS+. The information can also be stored
locally on the access server or router. Remote security servers, such as RADIUS and TACACS+, assign
users specific privileges by associating attribute-value (AV) pairs, which define the access rights with
the appropriate user. All authorization methods must be defined through AAA.

NO.6 DRAG DROP
Answer:
Explanation:

NO.7 With Cisco IOS zone-based policy firewall, by default, which three types of traffic are permitted
by the router when some of the router interfaces are assigned to a zone? (Choose three.)
A. traffic flowing between a zone member interface and any interface that is not a zone member
B. traffic flowing to and from the router interfaces (the self zone)
C. traffic flowing among the interfaces that are members of the same zone
D. traffic flowing among the interfaces that are not assigned to any zone
E. traffic flowing between a zone member interface and another interface that belongs in a different
zone
F. traffic flowing to the zone member interface that is returned traffic
Answer: B,C,D

Cisco過去問題   640-554勉強方法   640-554ソリューション
Explanation:
http://www.cisco.com/en/US/products/sw/secursw/ps1018/products_tech_note09186a00808bc994
.shtml

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

Cisco無料試験

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