A.The period of time in which virtual login attempts are blocked， following repeated failed login attempts
B.The period of time in which virtual logins are blocked as security services fully initialize
C.A period of time when no one is attempting tolog in
D.The period of time between successive login attempts
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A.aaa configuration commands and the SDM Basic Firewall wizard
B.setup exec command and the SDM Security Audit wizard
C.auto secure exec command and the SDM One-Step Lockdown wizard
D.Cisco Common Classification Policy Language configuration commands and the SDM Site-to- Site VPN
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
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.
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.
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.
A.Enable Signature Default
B.Enable Engine Fail Closed
C.Enable Default IOS Signature ActualTests.com
D.Enable Fail Opened
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
A.L2F tunnel
B.L2TP tunnel
C.GRE tunnel
D.ISAKMP tunnel
A.OTP
B.OOB
C.SAFE
D.MARS
A.They use the same key for encryption and decryption of data.
B.They use different keys for decryption but the same key for encryption of data.
C.They use different keys for encryption and decryption of data.
D.They use the same key for decryption but different keys for encryption of data.
最新試題
Which one of the Cisco IOS commands can be used to verify that either the Cisco IOS image， theconfiguration files，or both have been properly backed up and secured？（）
Which type of MAC address is dynamically learned by a switch port and then added to the switch’s runningconfiguration？（）
Which three are distinctions between asymmetric and symmetric algorithms？ （）
Which key method is used to detect and prevent attacks by use of IDS and/or IPS technologies？（）
Which two primary port authentication protocols are used with VSANs？（）
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？（）
Which VoIP components can permit or deny a call attempt on the basis of a network’s available bandwidth？（）
When configuring SSH， which is the Cisco minimum recommended modulus value？（）
Which statement is true about a Smurf attack？（）
Which option ensures that data is not modified in transit？（）