These are defensive behavior patterns which derive fromour fears.

A .  class of service B .  bandwidth profiles C .  user-network interface D .  Ethernet LAN circuit attributes E .  Ethernet virtual circuit attribute

A . use ISL encapsulation B . use 802.1q encapsulation C . set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation D . use VTP server mode to support dynamic propagation of VLAN information across the network E . set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

A . PPPoE can provide a host with access to a destination over Ethernet. You can have only one  PPPoE session per PVC B . You must install PPPoE client software on all hosts that connect to the Ethernet segment. This means that the access provider must maintain a CPE C . You cannot use PPPoE with Cisco Service Selection Gateway D . PPPoE implementation is susceptible to broadcast storms and possible denial-of-service attacks E . Per-session accounting is possible， which allows the service provider to charge the subscriber based on session time for various services offered. The service provider can also require a minimum access charge

A . An appointment． B . School hours． C . A part-time job． D . Vacation plans．

A .  using QoS techniques such as Traffic Policing to rate limit suspected traffic to prevent DoS attacks B .  automatic reconfiguration s of the security devices based on current security threats C .  containment and control of security threats D .  application security E .  anti-x defense F- virtual firewall

A . default B . NULL C . String D . throws E . long

A．reasons B．excuses C．answers D．replies

A．convenient B．easily suitable to new conditions C．changeable D．quick

A．How a B．What a C．How D．What

A．These are books B．It's a book C．They are pens

A．reason B．excuses C．answers D．replies

A．reasons B．arguments C．targets D．pursuit

A.intense B.various C.eager D.diverse

A．reasons B．arguments C．targets D．pursllit

A．This is my frien D． B．He’s my brother ． C．They are my friends ． D．That’s my neighbors．

A．is it B．isn’t it C．are they D．aren’t they

A．A.How do you do？ B．B.I'm doing shoppin C．C.I'm doing great. D．D.And you？