單項(xiàng)選擇題What is the MD5 algorithm used for?()

A.takes a fixed-length message and produces a 128-bit message digest
B.takes a variable-length message and produces a 168-bit message digest
C.takes a message less than 2^64 bits as input and produces a 160-bit message digest
D.takes a variable-length message and produces a 128-bit message digest ActualTests.com


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1.單項(xiàng)選擇題Which statement best describes configuring access control lists to control Telnet traffic destined to therouter itself?()

A.The ACL applied to the vty lines has no in or out option like ACL being applied to an interface.
B.The ACL is applied to the Telnet port with the ip access-group command.
C.The ACL must be applied to each vty line individually.
D.The ACL should be applied to all vty lines in the in direction to prevent an unwanted user from connecting to an unsecured port.

2.單項(xiàng)選擇題Which feature is a potential security weakness of a traditional stateful firewall?()

A.It cannot support UDP flows.
B.It cannot ensure each TCP connection follows a legitimate TCP three-way handshake.
C.It cannot detect application-layer attacks.
D.The status of TCP sessions is retained in the state table after the sessions terminate.

3.單項(xiàng)選擇題Which statement best describes Cisco IOS Zone-Based Policy Firewall?()

A.A router interface can belong to multiple zones.
B.Policy maps are used to classify traffic into different traffic classes, and class maps are used to assignaction to the traffic classes.
C.The pass action works in only one direction
D.A zone-pair is bidirectional because it specifies traffic flowing among the interfaces within the zone-pair in both directions.

5.單項(xiàng)選擇題As a candidate for CCNA examination, when you are familiar with the basic commands, if you input thecommand "enable secret level 5 password" in the global mode , what does it indicate?()

A.Set the enable secret command to privilege level 5
B.The enable secret password is hashed using MD5
C.The enable secret password is for accessing exec privilege level 5
D.The enable secret password is hashed using SHA
E.The enable secret password is encrypted using Cisco proprietary level 5 encryption

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If you click the Configure button along the top of Cisco SDM is graphical interface,which Tasks buttonpermits you to configure such features as SSH, NTP, SNMP, and syslog?()

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What is a static packet-filtering firewall used for ?()

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Which type of intrusion prevention technology will be primarily used by the Cisco IPS security appliances?()

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Refer to the exhibit. Based on the VPN connection shown, which statement is true?()

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For the following options, which feature is the foundation of Cisco Self-Defending Network technology?()

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Which key method is used to detect and prevent attacks by use of IDS and/or IPS technologies?()

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What will be disabled as a result of the no service password-recovery command?()

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Which two actions can be configured to allow traffic to traverse an interface when zone-based security isbeing employed?()

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