单项选择题

A.A copy of the frame is forwarded out all switch ports……

If a switch is working in the fail-open mode， what will happen when the switch’s CAM table fills to capacityand a new frame arrives？（）

A.A copy of the frame is forwarded out all switch ports other than the port the frame was received on.
B.The frame is transmitted on the native VLAN.
C.The switch sends a NACK segment to the frame’s source MAC address.
D.The frame is dropped.

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热门试题

单项选择题Which description is true about the show login command output displayed in the exhibit？（）

A.Three or more login requests have failed within the last 100 seconds.
B.When the router goes into quiet mode， any host is permitted to access the router via Telnet，actual SSH， and HTTP， since the quiet-mode access list has not been configured.
C.The login block-for command is configured to block login hosts for 93 seconds.
D.All logins from any sources are blocked for another 193 seconds.

多项选择题Basedonthefollowingitems，whichtwotypesofinterfacesarefoundonallnetwork-basedIPSsensors？（）

A.Loopback interface
B.Command and control interface
C.Monitoring interface
D.Management interface

单项选择题WhenconfiguringCiscoIOSloginenhancementsforvirtualconnections，whatisthe quietperiod ？（）

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

单项选择题Forthefollowingoptions，whichoneaccuratelymatchestheCLIcommand（s）totheequivalentSDMwizardthatperformssimilarconfigurationfunctions？（）

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

单项选择题WhatistheMD5algorithmusedfor？（）

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