What method in a Cisco IOS router can confirm that packets marked for a particular QoS marking are being matched?（）

A . Logging detect fail-login B . Login on-failure log C . Login detect login-failure log D . Logging login on-failure E . none of the above

A . Router# show IOS B . Router# show version C . Router# show image D . Router# show protocols E . Router# show flash

A . A command that can be entered in any configuration mode. B . A command that supports all protocols. C . A command that is implemented in all IOS versions. D . A command that is set once and affects the entire router. E . A command that is available in every release of IOS.

A . network-based application recognition （NBAR） B . authentication proxy C . stateful packet filtering D . AAA services E . proxy server F . IPS

A . immediately after receiving the first packet on the shared tree for a given （S，G） B . after receiving over 1 kb/s traffic onthe shared tree for a given （S，G） C . 10 seconds after receiving the first packet on the shared tree for a given （S，G） D . 30 seconds after receiving the first packet on the shared tree for a given （S，G） E . after receiving over 10 kb/s traffic onthe shared tree for a given （S，G）

A . disable Zone-Based Firewall as the two features are not compatible B . disable Cisco Express Forwarding as the two features are not compatible C . generate a certificate and export on Cisco.com to receive a signature update D . import the public RSA key from the Cisco IPS team that allows the router to verify that a signatureupdate （which was signed by this key） comes from Cisco

A . modular line cards B . shelf controllers C . route processors D . service processors E . distributed service card

A . Enable VTP pruning B . From privileged mode ,erase the startup configuration file,then reload. C . From privileged mode ,erase the vlan date file, then reload. D . Cycle the switch power.

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 attempt

A . MPLS Traffic Engineering B . Dynamic access-lists C . Authentication D . Receive ACL E . Unicast RPF

A .  group 3 B .  group 1 C .  group 5 D .  group 7

A . reset the connection B . forward the packet C . check the packet against an ACL D . drop the packet

A . Cisco IOS gateways provide services such as address translation and network access control for the devices on the network B . Cisco IOS gateways provide services such as bandwidth management and accounting C . Cisco IOS gateways provide media termination and signal translation between the public switched telephone network （PSTN） and IP networks D . Cisco IOS gateways provide zone management for all registered endpoints in the network

A . RIP B . EIGRP C . OSPF D . Static and default route

A . debug ip bgp updates B . debug ip tcp events C . debug ip bgp transactions D . debug ip tcp transactio

A . Make sure that the network server can be accessed. B . Check that the authentication for access is set. C . Assure that the network server has adequate space for the code image. D . Verify any file naming and path requirements. E . Make sure that the server can load and run the bootstrap code.

A . c1200-k9w7-tar.default B . c1200-k9w7-tar.boot C . c1200-k9w7-tar.123-7.JA1.tar D . c1200-k9w7-tar.recover

A . It checks the configuration register. B . It attempts to boot from a TFTP server. C . It loads the first image file in flash memory. D . It inspects the configuration file in NVRAM for boot instructions.

A . show ip ospf interfaces B . show ip ospf protocols C . show ip ospf neighbors D . show ip ospf database

A . verifies which operation types have been enabled for IP SLA source B . verifies which operation types have been enabled for IP SLA responder C . verifies which operation types are supported in software D . verifies enabled operation types that are not running

A . Installed Hardware serial numbers B . The status of installed hardware C . Installed hardware D . Unique Device Identifier E . system internal temperature F . main power supply conditio

A . Cisco IOS gateways provide services such as address translation and network access control for the devices on the networl B . Cisco IOS gateways provide services such as bandwidth management and accounting C . Cisco IOS gateways provide media termination and signal translation between the public switched telephone network （PSTN） and IP networks D . Cisco IOS gateways provide zone management for all registered endpoints in the network

A . It checks the configuration register B . It attempts to boot from a TFTP server C . It loads the first image file in flash memory D . It inspects the configuration file in NVRAM for boot instructio

A．A.Constant Stress B．B.Temporary Loading C．C.Repetitious Stress D．D.Reversal Stress