NBAR is a Cisco IOS feature that can be used to perform three tasks？

相似题目

• Which item is correct regarding Cisco IOS IPS on Cisco IOS Release 12.4（11）T and later ？（）

  A . requires the Basic or Advanced Signature Definition File B . uses the built-in signatures that come with the Cisco IOS image as backup C . supports SDEE，SYSLOG，and SNMP for sending Cisco IPS alerts D . uses Cisco IPS 5.x signature format

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• In the Cisco IOS, what is the definition of a global command?（）

  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.

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• A customer is considering purchasing either a Cisco Catalyst 2960 or Cisco Catalyst Express 500. Which feature can only be found on the Catalyst 2960？（）  

  A .  48 Ethernet 10/100 ports B .  Fast Ethernet and Gigabit Ethernet connectivity C .  dual-purpose copper or fiber uplinks D .  standalone fixed-configuration Layer 2 switching

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• Which of these is mandatory when configuring Cisco IOS Firewall？ （）

  A . Cisco IOS IPS enabled on the untrusted interface B . NBAR enabled to perform protocol discovery and deep packet inspection C . a route map to define the trusted outgoing traffic D . a route map to define the application inspection rules E . an inbound extended ACL applied to the untrusted interface

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• what is IOS feature limit or controls traffic on a catalyst interface？

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• Which Cisco IOS traffic-shaping mechanism statement is true？ （）

  A . class-based policing is configured using the Modular QoS command-line （MQC） B . only the Frame Relay traffic-shaping （FRTS） mechanism can interact with a Frame Relay network， adapting to indications of Layer2 congestion in the WAN links C . Distributed Traffic Shaping （DTS） is configured with the police command under the policy map configuration D . both Frame Relay traffic shaping （FRTS） and virtual IP （VIP）-based Distributed Traffic Shaping （DTS） have the ability to mark traffic

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• You work as a network technician at Company. Your boss， Mrs.， is interested in  the Cisco Compatible Extensions program.  What are three features of this program？ （）

  A .  Accounting B .  Analog and digital voice C .  Mobility D .  Security E .  Routing and switching F .  VLAN and QoS

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• What are three features of the Cisco IOS Firewall feature set？（）

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

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• What is a requirement to enable Cisco IOS IPS with 5.x signature？（）

  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

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• What is a new feature of the Cisco ISR router? （）

  A . advanced integration module B . FICON ports C . Cisco CallManager 5.0 support D . warm Cisco IOS upgrade feature

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• What Cisco IOS feature examines packets received to make sure that the source address and interfaceare in the routing table and matck the interface that the packet was received on？（）

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

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• Cisco IOS XR has implemented a nonstop routing feature so that when RP failover occurs， the routinginformation can be recovered locally. Which protocol does not support the NSR feature？（）

  A . OSPF B . LDP C . BGP D . IS-IS E . RSVP

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• Cisco IOS XR Software Multicast Routing Implementation， which three features are supported in IPv6 onCisco CRS router？（）

  A . PIM-SSM B . Aggregation multicast C . PIM-Bidirectional D . OOR handling E . integrated multicast F . Multicast NSF

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• Which Cisco IOS command is used to troubleshoot a problem in which a BGP session stays in the active state?（）

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

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• Examine the following options ，when editing global IPS settings， which one determines if the IOS- basedIPS feature will drop or permit traffic for a particular IPS signature engine while a new signature for thatengine is being compiled？（）

  A . Enable Signature Default B . Enable Engine Fail Closed C . Enable Default IOS Signature ActualTests.com D . Enable Fail Opened

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• What Cisco IOS feature can be enabled to pinpoint an application that is causing slow network performance?（）

  A . SNMP B . Netflow C . WCCP D . IP SLA

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• Which type of deployment utilizes ISRs with Cisco IOS Security feature sets to provide an ideal, low-cost, yet capable and powerful platform?（）

  A . Financial deployments B . Medium deployments C . Large deployments D . Commercial deployments E . Small deployment

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• Drag each element of the Cisco IOS Firewall Feature Set from the above and drop onto itsdescription on the below.https://assets.asklib.com/images/image2/2018072709480052676.jpg

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• Which result is of securing the Cisco IOS image by use of the Cisco IOS image resilience feature？（）

  A . The Cisco IOS image file will not be visible in the output from the show flash command. B . The show version command will not show the Cisco IOS image file location. C . When the router boots up， the Cisco IOS image will be loaded from a secured FTP location. D . The running Cisco IOS image will be encrypted and then automatically backed up to a TFTP server.

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• A Cisco router is booting and has just completed the POST process. It is now ready to find and load an IOS  image. What function does the router perform next?（）

  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.

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• While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）

  A . Router#copy tftp flash B . Router(config)#restore flash C . Router(config)#repair flash D . Router#copy flash run E . Router>copy start flash F . Router#copy start flash

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• Which three statements are true when configuring Cisco IOS Firewall features using the SDM？ （）

  A . A custom application security policy can be configured in the Advanced Firewall Security Configuration dialog box. B . An optional DMZ interface can be specified in the Advanced Firewall Interface Configuration dialog box. C . Custom application policies for e-mail， instant messaging， HTTP， and peer-to-peer services can be created using the Intermediate Firewall wizard. D . Only the outside （untrusted） interface is specified in the Basic Firewall Interface Configuration dialog box. E . The outside interface that SDM can be launched from is configured in the Configuring Firewall for Remote Access dialog box. F . The SDM provides a basic， intermediate， and advanced firewall wizard.

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• A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOS image.what function does the router perform next？（）

  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

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